Journal of Microbiology

Review

Membrane Proteins as a Regulator for Antibiotic Persistence in Gram‑Negative Bacteria: Jia Xin Yee , Juhyun Kim , Jinki Yeom; J. Microbiol. 2023;61(3):331-341. Published online February 17, 2023; DOI: https://doi.org/10.1007/s12275-023-00024-w

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Antibiotic treatment failure threatens our ability to control bacterial infections that can cause chronic diseases. Persister bacteria are a subpopulation of physiological variants that becomes highly tolerant to antibiotics. Membrane proteins play crucial roles in all living organisms to regulate cellular physiology. Although a diverse membrane component involved in persistence can result in antibiotic treatment failure, the regulations of antibiotic persistence by membrane proteins has not been fully understood. In this review, we summarize the recent advances in our understanding with regards to membrane proteins in Gram-negative bacteria as a regulator for antibiotic persistence, highlighting various physiological mechanisms in bacteria.

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Amino Acid and Au(III) Self-Assembled Supramolecular Nanozymes for Antimicrobial Applications
Yunzhu Xu, Dahai Hou, Min Zhao, Tong Zhao, Yong Ma, Yafeng Zhang, Yang Guo, Weiwei Tao, Hui Wang
ACS Applied Nano Materials.2024; 7(19): 22505. CrossRef
PhoPQ-mediated lipopolysaccharide modification governs intrinsic resistance to tetracycline and glycylcycline antibiotics in Escherichia coli
Byoung Jun Choi, Umji Choi, Dae-Beom Ryu, Chang-Ro Lee, Mehrad Hamidian, You-Hee Cho
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Bacterial Regulatory Mechanisms for the Control of Cellular Processes: Simple Organisms’ Complex Regulation
Jin-Won Lee
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Journal Articles

Mutational analysis on stable expression and LasB inhibition of LasB propeptide in Pseudomonas aeruginosa: Youngsun Shin , Xi-Hui Li , Cheol Seung Lee , Joon-Hee Lee; J. Microbiol. 2022;60(7):727-734. Published online May 25, 2022; DOI: https://doi.org/10.1007/s12275-022-1671-5

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Abstract: Three major proteases, elastase B (LasB), protease IV (PIV), and elastase A (LasA) expressed in Pseudomonas aeruginosa play important roles in infections and pathogeneses. These are activated by a proteolytic cascade initiated by the activation of LasB. In this study, we investigated whether LasB could be inhibited using its propeptide (LasBpp). Although LasA and PIV were inhibited by their propeptides, LasB was not inhibited by purified LasBpp because LasB degraded LasBpp. To address this problem, mutant LasBpp variants were constructed to obtain a mutant LasBpp resistant to LasB degradation. A C-terminal deletion series of LasBpp was tested in vivo, and two positive candidates, T2 and T2-1, were selected. However, both caused growth retardation and were unstably expressed in vivo. Since deleting the C-terminal end of LasBpp significantly affected its stable expression, substitution mutations were introduced at the two amino acids near the truncation site of T2-1. The resulting mutants, LasBppE172D, LasBppG173A, and LasBppE172DG173A, significantly diminished LasB activity when overexpressed in vivo and were stably expressed in MW1, a quorum sensing mutant that does not produce LasB. In vitro analysis showed that purified LasBppE172DG173A inhibited LasB activity to a small extent. Summarizing, Cterminal modification of LasBpp profoundly affected the stable expression of LasBpp, and little enhanced the ability of LasBpp to resist degradation by LasB.

Lactobacillus plantarum-derived metabolites sensitize the tumorsuppressive effects of butyrate by regulating the functional expression of SMCT1 in 5-FU-resistant colorectal cancer cells: Hye-Ju Kim , JaeJin An , Eun-Mi Ha; J. Microbiol. 2022;60(1):100-117. Published online December 29, 2021; DOI: https://doi.org/10.1007/s12275-022-1533-1

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Abstract

A critical obstacle to the successful treatment of colorectal cancer (CRC) is chemoresistance. Chemoresistant CRC cells contribute to treatment failure by providing a mechanism of drug lethargy and modifying chemoresistance-associated molecules. The gut microbiota provide prophylactic and therapeutic effects by targeting CRC through anticancer mechanisms. Among them, Lactobacillus plantarum contributes to the health of the host and is clinically effective in treating CRC. This study confirmed that 5-fluorouracil (5-FU)-resistant CRC HCT116 (HCT116/5FUR) cells acquired butyrateinsensitive properties. To date, the relationship between 5- FU-resistant CRC and butyrate resistance has not been elucidated. Here, we demonstrated that the acquisition of butyrate resistance in HCT116/5FUR cells was strongly correlated with the inhibition of the expression and function of SMCT1, a major transporter of butyrate in colonocytes. L. plantarum-cultured cell-free supernatant (LP) restored the functional expression of SMCT1 in HCT116/5FUR cells, leading to butyrate-induced antiproliferative effect and apoptosis. These results suggest that LP has a synergistic effect on the SMCT1/butyrate-mediated tumor suppressor function and is a potential chemosensitizer to overcome dual 5-FU and butyrate resistance in HCT116 cells.

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The role of gut microbiota and metabolites in cancer chemotherapy
Shiyu Li, Shuangli Zhu, Jun Yu
Journal of Advanced Research.2024; 64: 223. CrossRef
Sodium Butyrate Inhibits the Expression of Thymidylate Synthase and Induces Cell Death in Colorectal Cancer Cells
Nayeon Kim, Changwon Yang
International Journal of Molecular Sciences.2024; 25(3): 1572. CrossRef
Anticancer Properties of Saccharomyces boulardii Metabolite Against Colon Cancer Cells
Babak Pakbin, Samaneh Allahyari, Shaghayegh Pishkhan Dibazar, Amir Peymani, Mozhdeh Khajeh Haghverdi, Khadijeh Taherkhani, Maryam Javadi, Razzagh Mahmoudi
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The effect of oral butyrate on colonic short-chain fatty acid transporters and receptors depends on microbial status
Karla Vagnerová, Tomáš Hudcovic, Martin Vodička, Peter Ergang, Petra Klusoňová, Petra Petr Hermanová, Dagmar Šrůtková, Jiří Pácha
Frontiers in Pharmacology.2024;[Epub] CrossRef
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Yang Chen, Bo Yang, Jianxin Zhao, R. Paul Ross, Catherine Stanton, Hao Zhang, Wei Chen
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Gut microbial metabolites: Shaping future diagnosis and treatment against gastrointestinal cancer
Hongyan Gou, Ruijie Zeng, Harry Cheuk Hay Lau, Jun Yu
Pharmacological Research.2024; 208: 107373. CrossRef
Probiotics intervention in colorectal cancer: From traditional approaches to novel strategies
Suki Ha, Xiang Zhang, Jun Yu
Chinese Medical Journal.2024; 137(1): 8. CrossRef
A Narrative Review on the Advance of Probiotics to Metabiotics
Hye Ji Jang, Na-Kyoung Lee, Hyun-Dong Paik
Journal of Microbiology and Biotechnology.2024; 34(3): 487. CrossRef
Pharmacomicrobiomics of cell-cycle specific anti-cancer drugs – is it a new perspective for personalized treatment of cancer patients?
Karolina Kaźmierczak-Siedlecka, Nikola Bulman, Paweł Ulasiński, Bartosz Kamil Sobocki, Karol Połom, Luigi Marano, Leszek Kalinowski, Karolina Skonieczna-Żydecka
Gut Microbes.2023;[Epub] CrossRef
Participation of protein metabolism in cancer progression and its potential targeting for the management of cancer
Dalong Liu, Yun Wang, Xiaojiang Li, Yan Wang, Zhiqiang Zhang, Zhifeng Wang, Xudong Zhang
Amino Acids.2023; 55(10): 1223. CrossRef
Microbial metabolites in colorectal tumorigenesis and cancer therapy
Yali Liu, Harry Cheuk-Hay Lau, Jun Yu
Gut Microbes.2023;[Epub] CrossRef
Lactobacillus plantarum Metabolites Elicit Anticancer Effects by Inhibiting Autophagy-Related Responses
Sihyun Jeong, Yuju Kim, Soyeong Park, Doyeon Lee, Juho Lee, Shwe Phyu Hlaing, Jin-Wook Yoo, Sang Hoon Rhee, Eunok Im
Molecules.2023; 28(4): 1890. CrossRef
Lactobacillus plantarum modulate gut microbiota and intestinal immunity in cyclophosphamide-treated mice model
Zhibo Zeng, Zonghao Huang, Wen Yue, Shah Nawaz, Xinzhu Chen, Jing Liu
Biomedicine & Pharmacotherapy.2023; 169: 115812. CrossRef
Gut Microbiome in Colorectal Cancer: Clinical Diagnosis and Treatment
Yali Liu, Harry Cheuk-Hay Lau, Wing Yin Cheng, Jun Yu
Genomics, Proteomics & Bioinformatics.2023; 21(1): 84. CrossRef
Research progress of traditional Chinese medicine as sensitizer in reversing chemoresistance of colorectal cancer
Xiang Lin, Xinyu Yang, Yushang Yang, Hangbin Zhang, Xuan Huang
Frontiers in Oncology.2023;[Epub] CrossRef
Characterization of Wnt signaling pathway under treatment of Lactobacillus acidophilus postbiotic in colorectal cancer using an integrated in silico and in vitro analysis
Nafiseh Erfanian, Saeed Nasseri, Adib Miraki Feriz, Hossein Safarpour, Mohammad Hassan Namaei
Scientific Reports.2023;[Epub] CrossRef
A Review of Gut Microbiota‐Derived Metabolites in Tumor Progression and Cancer Therapy
Qiqing Yang, Bin Wang, Qinghui Zheng, Heyu Li, Xuli Meng, Fangfang Zhou, Long Zhang
Advanced Science.2023;[Epub] CrossRef
Anti-tumour effect of Huangqin Decoction on colorectal cancer mice through microbial butyrate mediated PI3K/Akt pathway suppression
Jia-Jie Zhu, Hai-Yan Liu, Liang-Jun Yang, Zheng Fang, Rui Fu, Jia-Bin Chen, Shan Liu, Bao-Ying Fei
Journal of Medical Microbiology .2023;[Epub] CrossRef
Fecal levels of SCFA and BCFA during capecitabine in patients with metastatic or unresectable colorectal cancer
Janine Ziemons, Romy Aarnoutse, Anne Heuft, Lars Hillege, Janneke Waelen, Judith de Vos-Geelen, Liselot Valkenburg-van Iersel, Irene E. G. van Hellemond, Geert-Jan M. Creemers, Arnold Baars, Johanna H. M. J. Vestjens, John Penders, Koen Venema, Marjolein
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Probiotic-Derived Bioactive Compounds in Colorectal Cancer Treatment
Christina Thoda, Maria Touraki
Microorganisms.2023; 11(8): 1898. CrossRef
Gut microbiota and microbiota-derived metabolites in colorectal cancer: enemy or friend
Xinyi Wang, Xicai Sun, Jinjin Chu, Wenchang Sun, Shushan Yan, Yaowen Wang
World Journal of Microbiology and Biotechnology.2023;[Epub] CrossRef
Determination of the effect of L. plantarum AB6-25, L. plantarum MK55 and S. boulardii T8-3C microorganisms on colon, cervix, and breast cancer cell lines: Molecular docking, and molecular dynamics study
Seda Yalçınkaya, Serap Yalçın Azarkan, Aynur Gül Karahan Çakmakçı
Journal of Molecular Structure.2022; 1261: 132939. CrossRef
Extracellular vesicles derived from Lactobacillus plantarum restore chemosensitivity through the PDK2-mediated glucose metabolic pathway in 5-FU-resistant colorectal cancer cells
JaeJin An, Eun-Mi Ha
Journal of Microbiology.2022; 60(7): 735. CrossRef

Short-chain fatty acids inhibit the biofilm formation of Streptococcus gordonii through negative regulation of competence-stimulating peptide signaling pathway: Taehwan Park , Jintaek Im , A Reum Kim , Dongwook Lee , Sungho Jeong , Cheol-Heui Yun , Seung Hyun Han; J. Microbiol. 2021;59(12):1142-1149. Published online December 4, 2021; DOI: https://doi.org/10.1007/s12275-021-1576-8

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Abstract

Streptococcus gordonii, a Gram-positive commensal bacterium, is an opportunistic pathogen closely related to initiation and progression of various oral diseases, such as periodontitis and dental caries. Its biofilm formation is linked with the development of such diseases by enhanced resistance against antimicrobial treatment or host immunity. In the present study, we investigated the effect of short-chain fatty acids (SCFAs) on the biofilm formation of S. gordonii. SCFAs, including sodium acetate (NaA), sodium propionate (NaP), and sodium butyrate (NaB), showed an effective inhibitory activity on the biofilm formation of S. gordonii without reduction in bacterial growth. SCFAs suppressed S. gordonii biofilm formation at early time points whereas SCFAs did not affect its preformed biofilm. A quorum-sensing system mediated by competence-stimulating peptide (CSP) is known to regulate biofilm formation of streptococci. Interestingly, SCFAs substantially decreased mRNA expression of comD and comE, which are CSP-sensor and its response regulator responsible for CSP pathway, respectively. Although S. gordonii biofilm formation was enhanced by exogenous synthetic CSP treatment, such effect was not observed in the presence of SCFAs. Collectively, these results suggest that SCFAs have an anti-biofilm activity on S. gordonii through inhibiting comD and comE expression which results in negative regulation of CSP quorum-sensing system. SCFAs could be an effective anti-biofilm agent against S. gordonii for the prevention of oral diseases.

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Potential effects of prebiotic fibers on dental caries: a systematic review
Constanza E. Fernández, Catalina Maturana‐Valenzuela, Nicol Rojas‐Castillo, Bob Rosier
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Serotype-Dependent Inhibition of Streptococcus pneumoniae Growth by Short-Chain Fatty Acids
Suwon Lim, Dongwook Lee, Sungho Jeong, Jeong Woo Park, Jintaek Im, Bokeum Choi, Donghyun Gwak, Cheol-Heui Yun, Ho Seong Seo, Seung Hyun Han
Journal of Microbiology and Biotechnology.2024; 34(1): 47. CrossRef
Comprehensive Multi-Omic Evaluation of the Microbiota and Metabolites in the Colons of Diverse Swine Breeds
Yanbin Zhu, Guangming Sun, Yangji Cidan, Bin Shi, Zhankun Tan, Jian Zhang, Wangdui Basang
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Prawati Nuraini, Dimas Prasetianto Wicaksono, Ardianti Maartrina Dewi, Adinda Ayu Fitriana, Sili Han
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Oral Pathogens and Their Antibiotics from Marine Organisms: A Systematic Review of New Drugs for Novel Drug Targets
Sehyeok Im, Jun Hyuck Lee, Youn-Soo Shim
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Menghe Liu, Ru Peng, Chunfang Tian, Jianping Shi, Jiannan Ma, Ruiwen Shi, Xiao Qi, Rongwei Zhao, Haibin Guan
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Ok-Jin Park, Ye-Eun Ha, Ju-Ri Sim, Dongwook Lee, Eun-Hye Lee, Sun-Young Kim, Cheol-Heui Yun, Seung Hyun Han
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María José Mendoza-León, Ashutosh K. Mangalam, Alejandro Regaldiz, Enrique González-Madrid, Ma. Andreina Rangel-Ramírez, Oscar Álvarez-Mardonez, Omar P. Vallejos, Constanza Méndez, Susan M. Bueno, Felipe Melo-González, Yorley Duarte, Ma. Cecilia Opazo, Al
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Leli Wang, Yiru Zhang, Juan Xu, Qingqing Shi, Yao Peng, Cimin Long, Lan Li, Yulong Yin
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Georgy E. Leonov, Yurgita R. Varaeva, Elena N. Livantsova, Antonina V. Starodubova
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Richard J. Lamont, George Hajishengallis, Hyun Koo, Anthony R. Richardson
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Friederike Uhlig, Niall P. Hyland
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[PROTOCOL] Flow cytometric monitoring of the bacterial phenotypic diversity in aquatic ecosystems: Jin-Kyung Hong , Soo Bin Kim , Seok Hyun Ahn , Yongjoo Choi , Tae Kwon Lee; J. Microbiol. 2021;59(10):879-885. Published online September 23, 2021; DOI: https://doi.org/10.1007/s12275-021-1443-7

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Abstract

Flow cytometry is a promising tool used to identify the phenotypic features of bacterial communities in aquatic ecosystems by measuring the physical and chemical properties of cells based on their light scattering behavior and fluorescence. Compared to molecular or culture-based approaches, flow cytometry is suitable for the online monitoring of microbial water quality because of its relatively simple sample preparation process, rapid analysis time, and high-resolution phenotypic data. Advanced statistical techniques (e.g., denoising and binning) can be utilized to successfully calculate phenotypic diversity by processing the scatter data obtained from flow cytometry. These phenotypic diversities were well correlated with taxonomic-based diversity computed using nextgeneration 16S RNA gene sequencing. The protocol provided in this paper should be a useful guide for a fast and reliable flow cytometric monitoring of bacterial phenotypic diversity in aquatic ecosystems.

Citations

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Assessing long-term ecological impacts of PCE contamination in groundwater using a flow cytometric fingerprint approach
Jin-Kyung Hong, Soo Bin Kim, Gui Nam Wee, Bo Ram Kang, Jee Hyun No, Susmita Das Nishu, Joonhong Park, Tae Kwon Lee
Science of The Total Environment.2024; 931: 172698. CrossRef
Phenotypic shifts induced by environmental pre-stressors modify antibiotic resistance in Staphylococcus aureus
Gui Nam Wee, Eun Sun Lyou, Susmita Das Nishu, Tae Kwon Lee
Frontiers in Microbiology.2023;[Epub] CrossRef

Full-repertoire comparison of the microscopic objects composing the human gut microbiome with sequenced and cultured communities: Edmond Kuete Yimagou , Jean-Pierre Baudoin , Rita Abou Abdallah , Fabrizio Di Pinto , Jacques Yaacoub Bou Khalil , Didier Raoult; J. Microbiol. 2020;58(5):377-386. Published online April 11, 2020; DOI: https://doi.org/10.1007/s12275-020-9365-3

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Abstract

The study of the human gut microbiome is essential in microbiology and infectious diseases as specific alterations in the gut microbiome might be associated with various pathologies, such as chronic inflammatory disease, intestinal infection and colorectal cancer. To identify such dysregulations, several strategies are being used to create a repertoire of the microorganisms composing the human gut microbiome. In this study, we used the “microscomics” approach, which consists of creating an ultrastructural repertoire of all the cell-like objects composing stool samples from healthy donors using transmission electron microscopy (TEM). We used TEM to screen ultrathin sections of 8 resin-embedded stool samples. After exploring hundreds of micrographs, we managed to elaborate ultrastructural categories based on morphological criteria or features. This approach explained many inconsistencies observed with other techniques, such as metagenomics and culturomics. We highlighted the value of our cultureindependent approach by comparing our microscopic images to those of cultured bacteria and those reported in the literature. This study helped to detect “minimicrobes” Candidate Phyla Radiation (CPR) for the first time in human stool samples. This “microscomics” approach is non-exhaustive but complements already existing approaches and adds important data to the puzzle of the microbiota.

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Candidate Phyla Radiation, an Underappreciated Division of the Human Microbiome, and Its Impact on Health and Disease
Sabrina Naud, Ahmad Ibrahim, Camille Valles, Mohamad Maatouk, Fadi Bittar, Maryam Tidjani Alou, Didier Raoult
Clinical Microbiology Reviews.2022;[Epub] CrossRef
Radiotherapy and the gut microbiome: facts and fiction
Jing Liu, Chao Liu, Jinbo Yue
Radiation Oncology.2021;[Epub] CrossRef
Host–microbiota maladaptation in colorectal cancer
Alina Janney, Fiona Powrie, Elizabeth H. Mann
Nature.2020; 585(7826): 509. CrossRef

Differential expression of the major catalase, KatA in the two wild type Pseudomonas aeruginosa strains, PAO1 and PA14: Bi-o Kim , In-Young Chung , You-Hee Cho; J. Microbiol. 2019;57(8):704-710. Published online June 11, 2019; DOI: https://doi.org/10.1007/s12275-019-9225-1

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Abstract

KatA is the major catalase required for hydrogen peroxide (H2O2) resistance and acute virulence in Pseudomonas aeruginosa PA14, whose transcription is governed by its dual promoters (katAp1 and katAp2). Here, we observed that KatA was not required for acute virulence in another wild type P. aeruginosa strain, PAO1, but that PAO1 exhibited higher KatA expression than PA14 did. This was in a good agreement with the observation that PAO1 was more resistant than PA14 to H2O2 as well as to the antibiotic peptide, polymyxin B (PMB), supposed to involve reactive oxygen species (ROS) for its antibacterial activity. The higher KatA expression in PAO1 than in PA14 was attributed to both katAp1 and katAp2 transcripts, as assessed by S1 nuclease mapping. In addition, it was confirmed that the PMB resistance is attributed to both katAp1 and katAp2 in a complementary manner in PA14 and PAO1, by exploiting the promoter mutants for each -10 box (p1m, p2m, and p1p2m). These results provide an evidence that the two widely used P. aeruginosa strains display different virulence mechanisms associated with OxyR and Anr, which need to be further characterized for better understanding of the critical virulence pathways that may differ in various P. aeruginosa strains.

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Enhancing the compost maturation of deer manure and corn straw by supplementation via black liquor
Shijun Pan, Gang Wang, Yide Fan, Xiqing Wang, Juan Liu, Mingzhu Guo, Huan Chen, Sitong Zhang, Guang Chen
Heliyon.2023; 9(2): e13246. CrossRef
The small RNA PrrH of Pseudomonas aeruginosa regulates hemolysis and oxidative resistance in bloodstream infection
Shenghe Zeng, Qixuan Shi, YinZhen Liu, Mo Li, Dongling Lin, Shebin Zhang, Qiwei Li, Jieying Pu, Cong Shen, Bin Huang, Cha Chen, Jianming Zeng
Microbial Pathogenesis.2023; 180: 106124. CrossRef
Eco-evolutionary dynamics of experimental Pseudomonas aeruginosa populations under oxidative stress
Taoran Fu, Danna R. Gifford, Christopher G. Knight, Michael A. Brockhurst
Microbiology .2023;[Epub] CrossRef
The Pseudomonas aeruginosa DksA1 protein is involved in H2O2 tolerance and within-macrophages survival and can be replaced by DksA2
Alessandra Fortuna, Diletta Collalto, Veronica Schiaffi, Valentina Pastore, Paolo Visca, Fiorentina Ascenzioni, Giordano Rampioni, Livia Leoni
Scientific Reports.2022;[Epub] CrossRef
The role of dctP gene in regulating colonization, adhesion and pathogenicity of Vibrio alginolyticus strain HY9901
Yilin Zhang, Huimin Tan, Shiping Yang, Yucong Huang, Shuanghu Cai, Jichang Jian, Jia Cai, Qiwei Qin
Journal of Fish Diseases.2022; 45(3): 421. CrossRef
Nitrite Promotes ROS Production to Potentiate Cefoperazone-Sulbactam-Mediated Elimination to Lab-Evolved and Clinical-Evolved Pseudomonas aeruginosa
Su-fang Kuang, Xia Li, Ding-Yun Feng, Wen-Bin Wu, Hui Li, Bo Peng, Xuan-xian Peng, Zhuang-gui Chen, Tian-tuo Zhang, Adriana E. Rosato
Microbiology Spectrum.2022;[Epub] CrossRef
Nitrate Respiration Promotes Polymyxin B Resistance in Pseudomonas aeruginosa
Bi-o Kim, Hye-Jeong Jang, In-Young Chung, Hee-Won Bae, Eun Sook Kim, You-Hee Cho
Antioxidants & Redox Signaling.2021; 34(6): 442. CrossRef
The Bactericidal Tandem Drug, AB569: How to Eradicate Antibiotic-Resistant Biofilm Pseudomonas aeruginosa in Multiple Disease Settings Including Cystic Fibrosis, Burns/Wounds and Urinary Tract Infections
Daniel J. Hassett, Rhett A. Kovall, Michael J. Schurr, Nalinikanth Kotagiri, Harshita Kumari, Latha Satish
Frontiers in Microbiology.2021;[Epub] CrossRef
An antipathogenic compound that targets the OxyR peroxide sensor in Pseudomonas aeruginosa
Hyo-Young Oh, Shivakumar S. Jalde, In-Young Chung, Yeon-Ji Yoo, Hye-Jeong Jang, Hyun-Kyung Choi, You-Hee Cho
Journal of Medical Microbiology .2021;[Epub] CrossRef

Low-density lipoprotein as an opsonin promoting the phagocytosis of Pseudomonas aeruginosa by U937 cells: Yuxin Li , Zhi Liu , Jinli Yang , Ling Liu , Runlin Han; J. Microbiol. 2019;57(8):711-716. Published online May 11, 2019; DOI: https://doi.org/10.1007/s12275-019-8413-3

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Abstract

Low-density lipoprotein (LDL) was recently reported to be an opsonin, enhancing the phagocytosis of group A Streptococcus (GAS) by human monocytic leukemia U937 cells due to the binding of LDL to some GAS strains. We postulated that LDL might also promote the opsonophagocytosis of Pseudomonas aeruginosa by U937 cells since this bacterium interacts with LDL. In this study, P. aeruginosa (CMCC10104), U937 cells, and human LDL were used in phagocytosis assays to test our hypothesis. Escherichia coli strain BL21, which does not interact with LDL, was used as a negative control. Colony counting and fluorescence microscopy were used to determine the bacterial quantity in the opsonophagocytosis assays. After incubation of U937 cells and P. aeruginosa with LDL (100 μg/ml) for 15 and 30 min, phagocytosis was observed to be increased by 22.71% and 32.90%, respectively, compared to that seen in the LDL-free group. However, LDL did not increase the phagocytosis of E. coli by U937 cells. In addition, we identified CD36 as a major opsonin receptor on U937 cells, since an anti-CD36 monoclonal antibody, but not an anti- CD4 monoclonal antibody, almost completely abolished the opsonophagocytosis of P. aeruginosa by U937 cells.

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Adhesion of Enteropathogenic, Enterotoxigenic, and Commensal Escherichia coli to the Major Zymogen Granule Membrane Glycoprotein 2
Christin Bartlitz, Rafał Kolenda, Jarosław Chilimoniuk, Krzysztof Grzymajło, Stefan Rödiger, Rolf Bauerfeind, Aamir Ali, Veronika Tchesnokova, Dirk Roggenbuck, Peter Schierack, Isaac Cann
Applied and Environmental Microbiology.2022;[Epub] CrossRef
Lipoprotein(a), an Opsonin, Enhances the Phagocytosis of Nontypeable Haemophilus influenzae by Macrophages
Zhi Liu, Yuxin Li, Yu Wang, Zhe Liu, Yan Su, Qiang Ma, Runlin Han, Enrique Ortega
Journal of Immunology Research.2021; 2021: 1. CrossRef

Antibiofilm effect of biofilm-dispersing agents on clinical isolates of Pseudomonas aeruginosa with various biofilm structures: Soo-Kyoung Kim , Xi-Hui Li , Hyeon-Ji Hwang , Joon-Hee Lee; J. Microbiol. 2018;56(12):902-909. Published online October 25, 2018; DOI: https://doi.org/10.1007/s12275-018-8336-4

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Abstract

Pseudomonas aeruginosa, an opportunistic human pathogen, causes many biofilm-mediated chronic infections. In this study, biofilm structures of various clinical strains of P. aeruginosa isolated from hospitalized patients were examined and their influence on the biofilm-dispersing effects of chemicals was investigated. The clinical isolates formed structurally distinct biofilms that could be classified into three different groups: 1) mushroom-like, 2) thin flat, and 3) thick flat structures. A dispersion of these differently structured biofilms was induced using two biofilm-dispersing agents, anthranilate and sodium nitroprusside (SNP). Although both SNP and anthranilate could disperse all types of biofilms, the thick flat biofilms were dispersed less efficiently than the biofilms of other structures. This suggests that biofilm-dispersing agents have higher potency on the biofilms of porous structures than on densely packed biofilms.

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New insights into antimicrobial and antibiofilm effects of edible mushrooms
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[PROTOCOL] Drosophila melanogaster as a polymicrobial infection model for Pseudomonas aeruginosa and Staphylococcus aureus: Young-Joon Lee , Hye-Jeong Jang , In-Young Chung , You-Hee Cho; J. Microbiol. 2018;56(8):534-541. Published online July 25, 2018; DOI: https://doi.org/10.1007/s12275-018-8331-9

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Abstract

Non-mammalian infection models have been developed over the last two decades, which is a historic milestone to understand the molecular basis of bacterial pathogenesis. They also provide small-scale research platforms for identification of virulence factors, screening for antibacterial hits, and evaluation of antibacterial efficacy. The fruit fly, Drosophila melanogaster is one of the model hosts for a variety of bacterial pathogens, in that the innate immunity pathways and tissue physiology are highly similar to those in mammals. We here present a relatively simple protocol to assess the key aspects of the polymicrobial interaction in vivo between the human opportunistic pathogens, Pseudomonas aeruginosa and Staphylococcus aureus, which is based on the systemic infection by needle pricking at the dorsal thorax of the flies. After infection, fly survival and bacteremia over time for both P. aeruginosa and S. aureus within the infected flies can be monitored as a measure of polymicrobial virulence potential. The infection takes ~24 h including bacterial cultivation. Fly survival and bacteremia are assessed using the infected flies that are monitored up to ~60 h post-infection. These methods can be used to identify presumable as well as unexpected phenotypes during polymicrobial interaction between P. aeruginosa and S. aureus mutants, regarding bacterial pathogenesis and host immunity.

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Review

[MINIREVIEW] Interdependence between iron acquisition and biofilm formation in Pseudomonas aeruginosa: Donghoon Kang , Natalia V. Kirienko; J. Microbiol. 2018;56(7):449-457. Published online June 14, 2018; DOI: https://doi.org/10.1007/s12275-018-8114-3

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Abstract

Bacterial biofilms remain a persistent threat to human healthcare due to their role in the development of antimicrobial resistance. To combat multi-drug resistant pathogens, it is crucial to enhance our understanding of not only the regulation of biofilm formation, but also its contribution to bacterial virulence. Iron acquisition lies at the crux of these two subjects. In this review, we discuss the role of iron acquisition in biofilm formation and how hosts impede this mechanism to defend against pathogens. We also discuss recent findings that suggest that biofilm formation can also have the reciprocal effect, influencing siderophore production and iron sequestration.

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Journal Articles

A common evolutionary pathway for maintaining quorum sensing in Pseudomonas aeruginosa: Bai-min Lai , Hui-cong Yan , Mei-zhen Wang , Na Li , Dong-sheng Shen; J. Microbiol. 2018;56(2):83-89. Published online February 2, 2018; DOI: https://doi.org/10.1007/s12275-018-7286-1

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Abstract

In the bacterium Pseudomonas aeruginosa, the synthesis and secretion of extracellular protease is a typical cooperative behavior regulated by quorum sensing. However, this type of cooperative behavior is easily exploited by other individuals who do not synthesize public goods, which is known as the “tragedy of the commons”. Here P. aeruginosa was inoculated into casein media with different nitrogen salts added. In casein broth, protease (a type of public good) is necessary for bacterial growth. After 30 days of sequential transfer, some groups propagated stably and avoided “tragedy of the commons”. The evolved cooperators who continued to synthesize protease were isolated from these stable groups. By comparing the characteristics of quorum sensing in these cooperators, an identical evolutionary pattern was found. A variety of cooperative behaviors regulated by quorum sensing, such as the synthesis and secretion of protease and signals, were significantly reduced during the process of evolution. Such reductions improved the efficiency of cooperation, helping to prevent cheating. In addition, the production of pyocyanin, which is regulated by the RhlIR system, increased during the process of evolution, possibly due to its role in stabilizing the cooperation. This study contributes towards our understanding of the evolution of quorum sensing of P. aeruginosa.

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Diesel degradation capability and environmental robustness of strain Pseudomonas aeruginosa WS02
Penghong Luo, Yankui Tang, Jiahua Lu, Lu Jiang, Yiting Huang, Qiming Jiang, Xuemin Chen, Tianfu Qin, Holly Alice Shiels
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Biofilm control on metallic materials in medical fields from the viewpoint of materials science – from the fundamental aspects to evaluation
Hideyuki Kanematsu, Dana M. Barry, Hajime Ikegai, Yoshimitsu Mizunoe
International Materials Reviews.2023; 68(3): 247. CrossRef
To cheat or not to cheat: cheatable and non-cheatable virulence factors in Pseudomonas aeruginosa
Katya Dafne Guadarrama-Orozco, Caleb Perez-Gonzalez, Kokila Kota, Miguel Cocotl-Yañez, Jesús Guillermo Jiménez-Cortés, Miguel Díaz-Guerrero, Mariel Hernández-Garnica, Julia Munson, Frederic Cadet, Luis Esaú López-Jácome, Ángel Yahir Estrada-Velasco, Ana M
FEMS Microbiology Ecology.2023;[Epub] CrossRef
Exoprotease exploitation and social cheating in a Pseudomonas aeruginosa environmental lysogenic strain with a noncanonical quorum sensing system
Daniel Huelgas-Méndez, Daniel Cazares, Luis David Alcaraz, Corina Diana Ceapã, Miguel Cocotl-Yañez, Toya Shotaro, Toshinari Maeda, Ana María Fernández-Presas, Oswaldo Tostado-Islas, Ana Lorena González-Vadillo, Aldo Limones-Martínez, Carlos Eduardo Hernan
FEMS Microbiology Ecology.2023;[Epub] CrossRef
3-Phenylpropan-1-Amine Enhanced Susceptibility of Serratia marcescens to Ofloxacin by Occluding Quorum Sensing
Lujun Yin, Ping-Ping Zhang, Wei Wang, Shi Tang, Shi-Ming Deng, Ai-Qun Jia, Gyanu Lamichhane
Microbiology Spectrum.2022;[Epub] CrossRef
A deep insight into the suppression mechanism of Sedum alfredii root exudates on Pseudomonas aeruginosa based on quorum sensing
Min Zhu, Yusheng Yang, Meizhen Wang, Xiaoxiao Li, Ruifang Han, Qianqian Chen, Dongsheng Shen, Jiali Shentu
Ecotoxicology and Environmental Safety.2021; 217: 112240. CrossRef
Tobramycin Adaptation Enhances Policing of Social Cheaters in Pseudomonas aeruginosa
Rhea G. Abisado, John H. Kimbrough, Brielle M. McKee, Vaughn D. Craddock, Nicole E. Smalley, Ajai A. Dandekar, Josephine R. Chandler, Rebecca E. Parales
Applied and Environmental Microbiology.2021;[Epub] CrossRef
Quercus infectoria gall extracts reduce quorum sensing-controlled virulence factors production and biofilm formation in Pseudomonas aeruginosa recovered from burn wounds
Akhter Ahmed Ahmed, Fraidoon Abdulqadir Salih
BMC Complementary and Alternative Medicine.2019;[Epub] CrossRef
Seeding Public Goods Is Essential for Maintaining Cooperation in Pseudomonas aeruginosa
Daniel Loarca, Dánae Díaz, Héctor Quezada, Ana Laura Guzmán-Ortiz, Abril Rebollar-Ruiz, Ana María Fernández Presas, Jimena Ramírez-Peris, Rafael Franco-Cendejas, Toshinari Maeda, Thomas K. Wood, Rodolfo García-Contreras
Frontiers in Microbiology.2019;[Epub] CrossRef
Pyocyanin Restricts Social Cheating in Pseudomonas aeruginosa
Paulina Castañeda-Tamez, Jimena Ramírez-Peris, Judith Pérez-Velázquez, Christina Kuttler, Ammar Jalalimanesh, Miguel Á. Saucedo-Mora, J. Guillermo Jiménez-Cortés, Toshinari Maeda, Yael González, María Tomás, Thomas K. Wood, Rodolfo García-Contreras
Frontiers in Microbiology.2018;[Epub] CrossRef

Imipenem-resistant Gram-negative bacterial isolates carried by persons upon medical examination in Korea: So Yeon Kim , Sang Yop Shin , Ji-Young Rhee , Kwan Soo Ko; J. Microbiol. 2017;55(8):612-618. Published online July 18, 2017; DOI: https://doi.org/10.1007/s12275-017-6555-8

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Abstract

Carbapenem-resistant Gram-negative bacteria (CR-GNB) have emerged and disseminated worldwide, become a great concern worldwide including Korea. The prevalence of fecal carriage of imipenem-resistant Gram-negative bacteria (IRGNB) in persons in Korea was investigated. Stool samples were collected from 300 persons upon medical examination. Samples were screened for IR-GNB by using MacConkey agar with 2 μl/ml imipenem. Species were identified by 16S rRNA gene sequence analysis, and antimicrobial susceptibility was determined by the broth microdilution method. In total, 82 IR-GNB bacterial isolates were obtained from 79 (26.3%) out of 300 healthy persons. Multilocus sequence typing analysis showed very high diversity among IR P. aeruginosa, S. maltophilia, and E. cloacae isolates, and pulsedfield gel electrophoresis revealed five main pulsotypes of IR P. mirabilis. As for the presence of metallo-β-lactamases (MBLs), only one IMP-25-producing S. marcescens isolate was identified. Although only one carbapenemase-producing isolate was identified, the high colonization rates with IRGNB isolates in this study is notable because carriers may be a reservoir for the dissemination of resistant pathogens within the community as well as in health care institutions.

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Global mapping of antibiotic resistance rates among clinical isolates of Stenotrophomonas maltophilia: a systematic review and meta-analysis
Narjess Bostanghadiri, Mohammad Sholeh, Tahereh Navidifar, Leila Dadgar-Zankbar, Zahra Elahi, Alex van Belkum, Davood Darban-Sarokhalil
Annals of Clinical Microbiology and Antimicrobials.2024;[Epub] CrossRef
Advances in the Microbiology of Stenotrophomonas maltophilia
Joanna S. Brooke
Clinical Microbiology Reviews.2021;[Epub] CrossRef
Clonal spreading of NDM-5 carbapenemase-producing Escherichia coli isolates in a hospital in South Korea
So Yeon Kim, Jungyu Seo, Juyoun Shin, Yeun-Jun Chung, In Young Jeon, Seon Jin Yun, Yeon-Sook Kim, Kwan Soo Ko
Diagnostic Microbiology and Infectious Disease.2020; 97(2): 115027. CrossRef

Antibacterial compound produced by Pseudomonas aeruginosa strain UICC B-40, an endophytic bacterium isolated from Neesia altissima: Rina Hidayati Pratiwi , Iman Hidayat , Muhammad Hanafi , Wibowo Mangunwardoyo; J. Microbiol. 2017;55(4):289-295. Published online January 26, 2017; DOI: https://doi.org/10.1007/s12275-017-6311-0

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Abstract

This study’s aim was to determine the identity of antibacte-rial compounds produced by Pseudomonas aeruginosa strain UICC B-40 and describe the antibacterial compounds’ me-chanisms of action for damaging pathogenic bacteria cells. Isolation and identification of the compounds were carried out using thin layer chromatography (TLC), nuclear mag-netic resonance (NMR) spectroscopy and liquid chromato-graphy mass spectrometry (LC-MS) analyses. Antibacterial activity was assayed via minimum inhibitory concentration (MIC) and the antibacterial compound mechanism was ob-served morphologically through scanning electron micros-copy (SEM). This study successfully identified the (2E,5E)- phenyltetradeca-2,5-dienoate antibacterial compound (mole-cular weight 300 g/mol), composed of a phenolic ester, fatty acid and long chain of aliphatic group structures. MIC values for this compound were determined at 62.5 μg/ml against Staphylococcus aureus strain ATCC 25923. The mechanism of the compound involved breaking down the bacterial cell walls through the lysis process. The (2E,5E)-phenyltetradeca- 2,5-dienoate compound exhibited inhibitory activity on the growth of Gram-positive bacteria.

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Antimicrobial mechanisms and antifungal activity of compounds generated by banana rhizosphere Pseudomonas aeruginosa Gxun-2 against fusarium oxysporum f. sp. cubense
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Total phenolic and flavonoid contents of Aphanamixis polystachya (Wall.) R.Parker leaf extract and its potential as antioxidant and inhibitor of α-glucosidase
I P A H Wibawa, M Hanafi, A S Li’aini, A Rahayu, I N Lugrayasa, V M Butardo, P J Mahon
IOP Conference Series: Earth and Environmental Science.2023; 1255(1): 012016. CrossRef
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Antibacterial assay guided isolation of a novel hydroxy-substituted pentacyclo ketonic compound from Pseudomonas aeruginosa MBTDCMFRI Ps04
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In vitro antimicrobial activities of several extracts endophytic Pseudomonas azotoformans UICC B-91
E Oktarina, R H Pratiwi, W Mangunwardoyo, I Hidayat, E Saepudin
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Culture-dependent analysis of seed bacterial endophyte, Pseudomonas spp. EGN 1 against the stem rot disease (Sclerotium rolfsii Sacc.) in groundnut
T. Archana, L. Rajendran, S. K. Manoranjitham, V. P. Santhana Krishnan, M. Paramasivan, G. Karthikeyan
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Antifungal activity of 3-acetylbenzamide produced by actinomycete WA23-4-4 from the intestinal tract of Periplaneta americana
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Identification of essential genes of Pseudomonas aeruginosa for its growth in airway mucus: Mohammed Abd Alrahman , Sang Sun Yoon; J. Microbiol. 2017;55(1):68-74. Published online December 30, 2016; DOI: https://doi.org/10.1007/s12275-017-6515-3

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Abstract

Pseudomonas aeruginosa has been identified as an important causative agent of airway infection, mainly in cystic fibrosis. This disease is characterized by defective mucociliary clearance induced in part by mucus hyper-production. Mucin is a major component of airway mucus and is heavily O-glycosylated, with a protein backbone. Airway infection is known to be established with bacterial adhesion to mucin. However, the genes involved in mucin degradation or utilization remain elusive. In this study, we sought to provide a genetic basis of P. aeruginosa airway growth by identifying those genes. First, using RNASeq analyses, we compared genome-wide expression profiles of PAO1, a prototype P. aeruginosa laboratory strain, grown in M9-mucin (M9M) and M9-glucose (M9G) media. Additionally, a PAO1 transposon (Tn) insertion mutants library was screened for mutants defective in growth in M9M medium. One mutant with a Tn insertion in the xcpU gene (PA3100) was determined to exhibit faulty growth in M9M medium. This gene contributes to the type II secretion system, suggesting that P. aeruginosa uses this secretion system to produce a number of proteins to break down and assimilate the mucin molecule. Furthermore, we screened the PAO1 genome for genes with protease activity. Of 13 mutants, one with mutation in PA3247 gene exhibited defective growth in M9M, suggesting that the PA3247-encoded protease plays a role in mucin utilization. Further mechanistic dissection of this particular process will reveal new drug targets, the inhibition of which could control recalcitrant P. aeruginosa infections.

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Z Krekhno, SE Woodward, A Serapio-Palacios, J Peña-Díaz, KM Moon, LJ Foster, BB Finlay
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Charlotte A. Alemao, Kurtis F. Budden, Henry M. Gomez, Saima F. Rehman, Jacqueline E. Marshall, Shakti D. Shukla, Chantal Donovan, Samuel C. Forster, Ian A. Yang, Simon Keely, Elizabeth R. Mann, Emad M. El Omar, Gabrielle T. Belz, Philip M. Hansbro
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Daniel J. Hassett, Rhett A. Kovall, Michael J. Schurr, Nalinikanth Kotagiri, Harshita Kumari, Latha Satish
Frontiers in Microbiology.2021;[Epub] CrossRef
Structural and functional analysis of the carotenoid biosynthesis genes of aPseudomonasstrain isolated from the excrement of Autumn Darter
Yuki Fukaya, Miho Takemura, Takashi Koyanagi, Takashi Maoka, Kazutoshi Shindo, Norihiko Misawa
Bioscience, Biotechnology, and Biochemistry.2018; 82(6): 1043. CrossRef
Evolutionary conservation of the antimicrobial function of mucus: a first defence against infection
Cassie R Bakshani, Ana L Morales-Garcia, Mike Althaus, Matthew D Wilcox, Jeffrey P Pearson, John C Bythell, J Grant Burgess
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Expanding Role of Type II Secretion in Bacterial Pathogenesis and Beyond
Nicholas P. Cianciotto, Richard C. White, Anthony T. Maurelli
Infection and Immunity.2017;[Epub] CrossRef

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