Journal of Microbiology

Journal Article

Upgrading Isoquercitrin Concentration via Submerge Fermentation of Mulberry Fruit Extract with Edible Probiotics to Suppress Gene Targets for Controlling Kidney Cancer and Inflammation: Md Rezaul Karim, Safia Iqbal, Shahnawaz Mohammad, Jong-Hoon Kim, Li Ling, Changbao Chen, Abdus Samad, Md Anwarul Haque, Deok-Chun Yang, Yeon Ju Kim, Dong Uk Yang; J. Microbiol. 2024;62(10):919-927. Published online October 8, 2024; DOI: https://doi.org/10.1007/s12275-024-00163-8

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In recent years, kidney cancer has become one of the most serious medical issues. Kidney cancer is treated with a variety of active compounds that trigger genes that cause cancer. We identified in our earlier research that isoquercitrin (IQ) can activate PIK3CA, IGF1R, and PTGS2. However, it has a very low bioavailability because of its lower solubility in water. So, we utilized sub-merge fermentation technology with two well-known probiotics, Lactobacillus acidophilus and Bacillus subtilis, as a microbial source and mulberry fruit extract as a substrate, which has a high IQ level to improve IQ yield. Furthermore, we compared the total phenolic, flavonoid, and antioxidant contents of fermented and non-fermented samples, and we found that the fermented samples had greater levels than non-fermented sample. In addition, the high-performance liquid chromatography (HPLC) results showed that the fermented mulberry fruit extract from B. subtilis and L. acidophilus showed higher IQ values (190.73 ± 0.004 μg/ml and 220.54 ± 0.007 μg/ml, respectively), compared to the non-fermented samples, which had IQ values (80.12 ± 0.002 μg/ml). Additionally, at 62.5 µg/ml doses of each sample, a normal kidney cell line (HEK 293) showed higher cell viability for fermented and non-fermented samples. Conversely, at the same doses, the fermented samples of L. acidophilus and B. subtilis in a kidney cancer cell line (A498) showed an inhibition of cell growth around 36% and 31%, respectively. Finally, we performed RT and qRT PCR assay, and we found a significant reduction in the expression of the PTGS2, PIK3CA, and IGF1R genes. We therefore can conclude that the fermented samples have a higher concentration of isoquercitrin, and also can inhibit the expression of the genes PTGS2, PIK3CA, and IGF1R, which in turn regulates kidney cancer and inflammation.

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Recent research on the bioactivity of polyphenols derived from edible fungi and their potential in chronic disease prevention
Wenbin Yu, Yufei Zhang, Yi Lu, Zhiwei Ouyang, Jiahua Peng, Yayi Tu, Bin He
Journal of Functional Foods.2025; 124: 106627. CrossRef

Review

Adenoviral Vector System: A Comprehensive Overview of Constructions, Therapeutic Applications and Host Responses: Anyeseu Park, Jeong Yoon Lee; J. Microbiol. 2024;62(7):491-509. Published online July 22, 2024; DOI: https://doi.org/10.1007/s12275-024-00159-4

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Abstract

Adenoviral vectors are crucial for gene therapy and vaccine development, offering a platform for gene delivery into host cells. Since the discovery of adenoviruses, first-generation vectors with limited capacity have evolved to third-generation vectors flacking viral coding sequences, balancing safety and gene-carrying capacity. The applications of adenoviral vectors for gene therapy and anti-viral treatments have expanded through the use of in vitro ligation and homologous recombination, along with gene editing advancements such as CRISPR-Cas9. Current research aims to maintain the efficacy and safety of adenoviral vectors by addressing challenges such as pre-existing immunity against adenoviral vectors and developing new adenoviral vectors from rare adenovirus types and non-human species. In summary, adenoviral vectors have great potential in gene therapy and vaccine development. Through continuous research and technological advancements, these vectors are expected to lead to the development of safer and more effective treatments.

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Engineering an oncolytic adenoviral platform for precise delivery of antisense peptide nucleic acid to modulate PD-L1 overexpression in cancer cells
Andrea Patrizia Falanga, Francesca Greco, Monica Terracciano, Stefano D’Errico, Maria Marzano, Sara Feola, Valentina Sepe, Flavia Fontana, Ilaria Piccialli, Vincenzo Cerullo, Hélder A. Santos, Nicola Borbone
International Journal of Pharmaceutics.2025; 668: 124941. CrossRef
Enhancing precision in cancer treatment: the role of gene therapy and immune modulation in oncology
Emile Youssef, Brandon Fletcher, Dannelle Palmer
Frontiers in Medicine.2025;[Epub] CrossRef
Protein-Based Degraders: From Chemical Biology Tools to Neo-Therapeutics
Lisha Ou, Mekedlawit T. Setegne, Jeandele Elliot, Fangfang Shen, Laura M. K. Dassama
Chemical Reviews.2025;[Epub] CrossRef
Molecular Engineering of Virus Tropism
Bo He, Belinda Wilson, Shih-Heng Chen, Kedar Sharma, Erica Scappini, Molly Cook, Robert Petrovich, Negin P. Martin
International Journal of Molecular Sciences.2024; 25(20): 11094. CrossRef
Antisolvent 3D Printing of Gene-Activated Scaffolds for Bone Regeneration
Andrey Vyacheslavovich Vasilyev, Irina Alekseevna Nedorubova, Viktoria Olegovna Chernomyrdina, Anastasiia Yurevna Meglei, Viktoriia Pavlovna Basina, Anton Vladimirovich Mironov, Valeriya Sergeevna Kuznetsova, Victoria Alexandrovna Sinelnikova, Olga Anatol
International Journal of Molecular Sciences.2024; 25(24): 13300. CrossRef

Journal Article

Genetically Engineered CLDN18.2 CAR-T Cells Expressing Synthetic PD1/CD28 Fusion Receptors Produced Using a Lentiviral Vector: Heon Ju Lee, Seo Jin Hwang, Eun Hee Jeong, Mi Hee Chang; J. Microbiol. 2024;62(7):555-568. Published online May 3, 2024; DOI: https://doi.org/10.1007/s12275-024-00133-0

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Abstract: This study aimed to develop synthetic Claudin18.2 (CLDN18.2) chimeric antigen receptor (CAR)-T (CAR-T) cells as a treatment for advanced gastric cancer using lentiviral vector genetic engineering technology that targets the CLDN18.2 antigen and simultaneously overcomes the immunosuppressive environment caused by programmed cell death protein 1 (PD-1). Synthetic CAR T cells are a promising approach in cancer immunotherapy but face many challenges in solid tumors. One of the major problems is immunosuppression caused by PD-1. CLDN18.2, a gastric-specific membrane protein, is considered a potential therapeutic target for gastric and other cancers. In our study, CLDN18.2 CAR was a second-generation CAR with inducible T-cell costimulatory (CD278), and CLDN18.2-PD1/CD28 CAR was a third-generation CAR, wherein the synthetic PD1/CD28 chimeric-switch receptor (CSR) was added to the second-generation CAR. In vitro, we detected the secretion levels of different cytokines and the killing ability of CAR-T cells. We found that the secretion of cytokines such as interferon-gamma (IFN-γ) and tumor necrosis factor-alpha (TNF-α) secreted by three types of CAR-T cells was increased, and the killing ability against CLDN18.2-positive GC cells was enhanced. In vivo, we established a xenograft GC model and observed the antitumor effects and off-target toxicity of CAR-T cells. These results support that synthetic anti-CLDN18.2 CAR-T cells have antitumor effect and anti-CLDN18.2-PD1/CD28 CAR could provide a promising design strategy to improve the efficacy of CAR-T cells in advanced gastric cancer.

Reviews

Metabolic Interaction Between Host and the Gut Microbiota During High‑Fat Diet‑Induced Colorectal Cancer: Chaeeun Lee, Seungrin Lee, Woongjae Yoo; J. Microbiol. 2024;62(3):153-165. Published online April 16, 2024; DOI: https://doi.org/10.1007/s12275-024-00123-2

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Abstract

Colorectal cancer (CRC) is the second-highest cause of cancer-associated mortality among both men and women worldwide. One of the risk factors for CRC is obesity, which is correlated with a high-fat diet prevalent in Western dietary habits. The association between an obesogenic high-fat diet and CRC has been established for several decades; however, the mechanisms by which a high-fat diet increases the risk of CRC remain unclear. Recent studies indicate that gut microbiota strongly infuence the pathogenesis of both high-fat diet-induced obesity and CRC. The gut microbiota is composed of hundreds of bacterial species, some of which are implicated in CRC. In particular, the expansion of facultative anaerobic Enterobacteriaceae, which is considered a microbial signature of intestinal microbiota functional imbalance (dysbiosis), is associated with both high-fat diet-induced obesity and CRC. Here, we review the interaction between the gut microbiome and its metabolic byproducts in the context of colorectal cancer (CRC) during high-fat diet-induced obesity. In addition, we will cover how a high-fat diet can drive the expansion of genotoxin-producing Escherichia coli by altering intestinal epithelial cell metabolism during gut infammation conditions.

Citations

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Wheat β-glucan reduces obesity and hyperlipidemia in mice with high-fat and high-salt diet by regulating intestinal flora
Min Li, Qingshan Wang, Xiuwei Zhang, Kaikai Li, Meng Niu, Siming Zhao
International Journal of Biological Macromolecules.2025; 288: 138754. CrossRef
Microbial Metabolites-induced Epigenetic Modifications for Inhibition of Colorectal Cancer: Current Status and Future Perspectives
Vaibhav Singh, Ekta Shirbhate, Rakesh Kore, Subham Vishwakarma, Shadiya Parveen, Ravichandran Veerasamy, Amit K Tiwari, Harish Rajak
Mini-Reviews in Medicinal Chemistry.2025; 25(1): 76. CrossRef
Molecular Mechanisms of Skatole-Induced Inflammatory Responses in Intestinal Epithelial Caco-2 Cells: Implications for Colorectal Cancer and Inflammatory Bowel Disease
Katsunori Ishii, Kazuma Naito, Dai Tanaka, Yoshihito Koto, Koichi Kurata, Hidehisa Shimizu
Cells.2024; 13(20): 1730. CrossRef
Research Progress on the Relationship between Intestinal Flora and Gastrointestinal Malignancy
军陈
Advances in Clinical Medicine.2024; 14(11): 262. CrossRef
Host-Associated Microbiome
Woo Jun Sul
Journal of Microbiology.2024; 62(3): 135. CrossRef

The Microbiome Matters: Its Impact on Cancer Development and Therapeutic Responses: In‑Young Chung, Jihyun Kim, Ara Koh; J. Microbiol. 2024;62(3):137-152. Published online April 8, 2024; DOI: https://doi.org/10.1007/s12275-024-00110-7

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Abstract

In the evolving landscape of cancer research, the human microbiome emerges as a pivotal determinant reshaping our understanding of tumorigenesis and therapeutic responses. Advanced sequencing technologies have uncovered a vibrant microbial community not confned to the gut but thriving within tumor tissues. Comprising bacteria, viruses, and fungi, this diverse microbiota displays distinct signatures across various cancers, with most research primarily focusing on bacteria. The correlations between specifc microbial taxa within diferent cancer types underscore their pivotal roles in driving tumorigenesis and infuencing therapeutic responses, particularly in chemotherapy and immunotherapy. This review amalgamates recent discoveries, emphasizing the translocation of the oral microbiome to the gut as a potential marker for microbiome dysbiosis across diverse cancer types and delves into potential mechanisms contributing to cancer promotion. Furthermore, it highlights the adverse efects of the microbiome on cancer development while exploring its potential in fortifying strategies for cancer prevention and treatment.

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COVID-19, Long COVID, and Gastrointestinal Neoplasms: Exploring the Impact of Gut Microbiota and Oncogenic Interactions
do Rêgo Amália Cinthia Meneses, Araújo-Filho Irami
Archives of Cancer Science and Therapy.2024; 8(1): 054. CrossRef
Glycans in the oral bacteria and fungi: Shaping host-microbe interactions and human health
Xiameng Ren, Min Wang, Jiabao Du, Yu Dai, Liuyi Dang, Zheng Li, Jian Shu
International Journal of Biological Macromolecules.2024; 282: 136932. CrossRef
A Review of the Relationship between Tumors of the Biliary System and Intestinal Microorganisms
勇利李
Advances in Clinical Medicine.2024; 14(07): 833. CrossRef
Host-Associated Microbiome
Woo Jun Sul
Journal of Microbiology.2024; 62(3): 135. CrossRef

Journal Articles

Syntaxin17 Restores Lysosomal Function and Inhibits Pyroptosis Caused by Acinetobacter baumannii: Zhiyuan An, Wenyi Ding; J. Microbiol. 2024;62(4):315-325. Published online March 7, 2024; DOI: https://doi.org/10.1007/s12275-024-00109-0

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Abstract: Acinetobacter baumannii (A. baumannii) causes autophagy flux disorder by degrading STX17, resulting in a serious inflammatory response. It remains unclear whether STX17 can alter the inflammatory response process by controlling autolysosome function. This study aimed to explore the role of STX17 in the regulation of pyroptosis induced by A. baumannii. Our findings indicate that overexpression of STX17 enhances autophagosome degradation, increases LAMP1 expression, reduces Cathepsin B release, and improves lysosomal function. Conversely, knockdown of STX17 suppresses autophagosome degradation, reduces LAMP1 expression, augments Cathepsin B release, and accelerates lysosomal dysfunction. In instances of A. baumannii infection, overexpression of STX17 was found to improve lysosomal function and reduce the expression of mature of GSDMD and IL-1β, along with the release of LDH, thus inhibiting pyroptosis caused by A. baumannii. Conversely, knockdown of STX17 led to increased lysosomal dysfunction and further enhanced the expression of mature of GSDMD and IL-1β, and increased the release of LDH, exacerbating pyroptosis induced by A. baumannii. These findings suggest that STX17 regulates pyroptosis induced by A. baumannii by modulating lysosomal function.

The Revision of Lichen Flora Around Maxwell Bay, King George Island, Maritime Antarctic: Jae Eun So , Josef P. Halda , Soon Gyu Hong , Jae&# , Ji Hee Kim; J. Microbiol. 2023;61(2):159-173. Published online February 27, 2023; DOI: https://doi.org/10.1007/s12275-023-00015-x

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Abstract

Since the floristic study of lichens at the Barton and Weaver Peninsulas of King George Island in 2006, there have been intense investigations of the lichen flora of the two peninsulas as well as that of Fildes Peninsula and Ardley Island in Maxwell Bay, King George Island, South Shetland Islands, maritime Antarctic. In this study, a total of 104 species belonging to 53 genera, are identified from investigations of lichens that were collected in austral summer seasons from 2008 to 2016. Phenotypic and molecular analyses were incorporated for taxonomic identification. In particular, 31 species are found to be endemic to the Antarctic and 22 species are newly recorded to the Maxwell Bay region. Lepra dactylina, Stereocaulon caespitosum, and Wahlenbergiella striatula are newly recorded in the Antarctic, and the previously reported taxon Cladonia furcata is excluded from the formerly recorded list due to misidentification. We also provide ecological and geographical information about lichen associations and habitat preferences.

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Lichens of Larsemann Hills and adjacent oases in the area of Prydz Bay (Princess Elizabeth Land and MacRobertson Land, Antarctica)
Mikhail Andreev (Mихаил АНДРЕЕВ)
Polar Science.2023; 38: 101009. CrossRef

Functional analysis of ascP in Aeromonas veronii TH0426 reveals a key role in the regulation of virulence: Yongchao Guan , Meng Zhang , Yingda Wang , Zhongzhuo Liu , Zelin Zhao , Hong Wang , Dingjie An , Aidong Qian , Yuanhuan Kang , Wuwen Sun , Xiaofeng Shan; J. Microbiol. 2022;60(12):1153-1161. Published online November 10, 2022; DOI: https://doi.org/10.1007/s12275-022-2373-8

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Abstract

Aeromonas veronii is a pathogen which can induce diseases in humans, animals and aquatic organisms, but its pathogenic mechanism and virulence factors are still elusive. In this study, we successfully constructed a mutant strain (ΔascP) by homologous recombination. The results showed that the deletion of the ascP gene significantly down-regulated the expression of associated effector proteins in A. veronii compared to its wild type. The adhesive and invasive abilities of ΔascP to EPC cells were 0.82-fold lower in contrast to the wild strain. The toxicity of ΔascP to cells was decreased by about 2.91-fold (1 h) and 1.74-fold (2 h). Furthermore, the LD50 of the mutant strain of crucian carp was reduced by 19.94-fold, and the virulence was considerably attenuated. In contrast to the wild strain, the ΔascP content in the liver and spleen was considerably lower. The titers of serum cytokines (IL-8, TNF-α, and IL-1β) in crucian carp after the infection of the ΔascP strain were considerably lower in contrast to the wild strain. Hence, the ascP gene is essential for the etiopathogenesis of A. veronii TH0426.

Citations

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Complete genome sequence and genome-wide transposon mutagenesis enable the determination of genes required for sodium hypochlorite tolerance and drug resistance in pathogen Aeromonas veronii GD2019
Yifan Bu, Chengyu Liu, Yabo Liu, Wensong Yu, Tingjin Lv, Yuanxing Zhang, Qiyao Wang, Yue Ma, Shuai Shao
Microbiological Research.2024; 284: 127731. CrossRef
Construction of the flagellin F mutant of Vibrio parahaemolyticus and its toxic effects on silver pomfret (Pampus argenteus) cells
Yang Li, Chao Liu, Yuechen Sun, Ruijun Wang, Choufei Wu, Hanqu Zhao, Liqin Zhang, Dawei Song, Quanxin Gao
International Journal of Biological Macromolecules.2024; 259: 129395. CrossRef
Ferric uptake regulator (fur) affects the pathogenicity of Aeromonas veronii TH0426 by regulating flagellar assembly and biofilm formation
Jin-shuo Gong, Ying-da Wang, Yan-long Jiang, Di Zhang, Ya-nan Cai, Xiao-feng Shan, He Gong, Hao Dong
Aquaculture.2024; 580: 740361. CrossRef

Interaction between hypoviral-regulated fungal virulence factor laccase3 and small heat shock protein Hsp24 from the chestnut blight fungus Cryphonectria parasitica: Jeesun Chun† , Yo-Han Ko† , Dae-Hyuk Kim; J. Microbiol. 2022;60(1):57-62. Published online November 26, 2021; DOI: https://doi.org/10.1007/s12275-022-1498-0

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Abstract

Laccase3 is an important virulence factor of the fungus Cryphonectria parasitica. Laccase3 gene (lac3) transcription is induced by tannic acid, a group of phenolic compounds found in chestnut trees, and its induction is regulated by the hypovirus CHV1 infection. CpHsp24, a small heat shock protein gene of C. parasitica, plays a determinative role in stress adaptation and pathogen virulence. Having uncovered in our previous study that transcriptional regulation of the CpHsp24 gene in response to tannic acid supplementation and CHV1 infection was similar to that of the lac3, and that conserved phenotypic changes of reduced virulence were observed in mutants of both genes, we inferred that both genes were implicated in a common pathway. Building on this finding, in this paper we examined whether the CpHsp24 protein (CpHSP24) was a molecular chaperone for the lac3 protein (LAC3). Our pull-down experiment indicated that the protein products of the two genes directly interacted with each other. Heterologous co-expression of CpHsp24 and lac3 genes using Saccharomyces cerevisiae resulted in more laccase activity in the cotransformant than in a parental lac3-expresssing yeast strain. These findings suggest that CpHSP24 is, in fact, a molecular chaperone for the LAC3, which is critical component of fungal pathogenesis.

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Characteristics and expression of heat shock gene Lghsp17.4 in Lenzites gibbosa, a white rot fungus of wood
Lianrong Feng, Yujie Chi, Jian Zhang, Xuxin Yang, Shuying Han
Journal of Forestry Research.2024;[Epub] CrossRef
Hypovirus infection induces proliferation and perturbs functions of mitochondria in the chestnut blight fungus
Jinzi Wang, Rui Quan, Xipu He, Qiang Fu, Shigen Tian, Lijiu Zhao, Shuangcai Li, Liming Shi, Ru Li, Baoshan Chen
Frontiers in Microbiology.2023;[Epub] CrossRef
Applying molecular and genetic methods to trees and their fungal communities
Markus Müller, Ursula Kües, Katharina B. Budde, Oliver Gailing
Applied Microbiology and Biotechnology.2023; 107(9): 2783. CrossRef

Reviews

Rediscovery of antimicrobial peptides as therapeutic agents: Minkyung Ryu , Jaeyeong Park , Ji-Hyun Yeom , Minju Joo , Kangseok Lee; J. Microbiol. 2021;59(2):113-123. Published online February 1, 2021; DOI: https://doi.org/10.1007/s12275-021-0649-z

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Abstract

In recent years, the occurrence of antibiotic-resistant pathogens is increasing rapidly. There is growing concern as the development of antibiotics is slower than the increase in the resistance of pathogenic bacteria. Antimicrobial peptides (AMPs) are promising alternatives to antibiotics. Despite their name, which implies their antimicrobial activity, AMPs have recently been rediscovered as compounds having antifungal, antiviral, anticancer, antioxidant, and insecticidal effects. Moreover, many AMPs are relatively safe from toxic side effects and the generation of resistant microorganisms due to their target specificity and complexity of the mechanisms underlying their action. In this review, we summarize the history, classification, and mechanisms of action of AMPs, and provide descriptions of AMPs undergoing clinical trials. We also discuss the obstacles associated with the development of AMPs as therapeutic agents and recent strategies formulated to circumvent these obstacles.

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Microbial Pathogenesis.2024; 189: 106607. CrossRef
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Raynichka Mihaylova-Garnizova, Slavena Davidova, Yordan Hodzhev, Galina Satchanska
International Journal of Molecular Sciences.2024; 25(19): 10788. CrossRef
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Jingwen Jiang, Kaderya Kaysar, Yanzhu Pan, Lijie Xia, Jinyao Li
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Przemysław Gagat, Michał Ostrówka, Anna Duda-Madej, Paweł Mackiewicz
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Harry Morales Duque, Gisele Rodrigues, Lucas Souza Santos, Octávio Luiz Franco
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Emerenziana Ottaviano, Elisa Borghi, Laura Giovati, Monica Falleni, Delfina Tosi, Walter Magliani, Giulia Morace, Stefania Conti, Tecla Ciociola
International Journal of Molecular Sciences.2021; 22(20): 10904. CrossRef

[MINIREVIEW]Regulation of gene expression by protein lysine acetylation in Salmonella: Hyojeong Koo , Shinae Park , Min-Kyu Kwak , Jung-Shin Lee; J. Microbiol. 2020;58(12):979-987. Published online November 17, 2020; DOI: https://doi.org/10.1007/s12275-020-0483-8

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Abstract

Protein lysine acetylation influences many physiological functions, such as gene regulation, metabolism, and disease in eukaryotes. Although little is known about the role of lysine acetylation in bacteria, several reports have proposed its importance in various cellular processes. Here, we discussed the function of the protein lysine acetylation and the post-translational modifications (PTMs) of histone-like proteins in bacteria focusing on Salmonella pathogenicity. The protein lysine residue in Salmonella is acetylated by the Pat-mediated enzymatic pathway or by the acetyl phosphate-mediated non-enzymatic pathway. In Salmonella, the acetylation of lysine 102 and lysine 201 on PhoP inhibits its protein activity and DNAbinding, respectively. Lysine acetylation of the transcriptional regulator, HilD, also inhibits pathogenic gene expression. Moreover, it has been reported that the protein acetylation patterns significantly differ in the drug-resistant and -sensitive Salmonella strains. In addition, nucleoid-associated proteins such as histone-like nucleoid structuring protein (H-NS) are critical for the gene silencing in bacteria, and PTMs in H-NS also affect the gene expression. In this review, we suggest that protein lysine acetylation and the post-translational modifications of H-NS are important factors in understanding the regulation of gene expression responsible for pathogenicity in Salmonella.

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Bacterial protein acetylation: mechanisms, functions, and methods for study
Jocelin Rizo, Sergio Encarnación-Guevara
Frontiers in Cellular and Infection Microbiology.2024;[Epub] CrossRef
Acetyl-proteome profiling revealed the role of lysine acetylation in erythromycin resistance of Staphylococcus aureus
Miao Feng, Xiaoyu Yi, Yanling Feng, Feng He, Zonghui Xiao, Hailan Yao
Heliyon.2024; 10(15): e35326. CrossRef
Short-chain fatty acids in breast milk and their relationship with the infant gut microbiota
Menglu Xi, Yalu Yan, Sufang Duan, Ting Li, Ignatius Man-Yau Szeto, Ai Zhao
Frontiers in Microbiology.2024;[Epub] CrossRef
Global Insights into the Lysine Acetylome Reveal the Role of Lysine Acetylation in the Adaptation of Bacillus altitudinis to Salt Stress
Xujian Li, Shanshan Dai, Shanshan Sun, Dongying Zhao, Hui Li, Junyi Zhang, Jie Ma, Binghai Du, Yanqin Ding
Journal of Proteome Research.2024;[Epub] CrossRef
Acetylomics reveals an extensive acetylation diversity within Pseudomonas aeruginosa
Nand Broeckaert, Hannelore Longin, Hanne Hendrix, Jeroen De Smet, Mirita Franz-Wachtel, Boris Maček, Vera van Noort, Rob Lavigne
microLife.2024;[Epub] CrossRef
Lysine acetylation regulates the AT-rich DNA possession ability of H-NS
Yabo Liu, Mengqing Zhou, Yifan Bu, Liang Qin, Yuanxing Zhang, Shuai Shao, Qiyao Wang
Nucleic Acids Research.2024; 52(4): 1645. CrossRef
Acetylation of K188 and K192 inhibits the DNA-binding ability of NarL to regulate Salmonella virulence
Liu-Qing Zhang, Yi-Lin Shen, Bang-Ce Ye, Ying Zhou, Christopher A. Elkins
Applied and Environmental Microbiology.2023;[Epub] CrossRef
Acetylome and Succinylome Profiling of Edwardsiella tarda Reveals Key Roles of Both Lysine Acylations in Bacterial Antibiotic Resistance
Yuying Fu, Lishan Zhang, Huanhuan Song, Junyan Liao, Li Lin, Wenjia Jiang, Xiaoyun Wu, Guibin Wang
Antibiotics.2022; 11(7): 841. CrossRef
Pat- and Pta-mediated protein acetylation is required for horizontally-acquired virulence gene expression in Salmonella Typhimurium
Hyojeong Koo, Eunna Choi, Shinae Park, Eun-Jin Lee, Jung-Shin Lee
Journal of Microbiology.2022; 60(8): 823. CrossRef
Acetylation of CspC Controls the Las Quorum-Sensing System through Translational Regulation of rsaL in Pseudomonas aeruginosa
Shouyi Li, Xuetao Gong, Liwen Yin, Xiaolei Pan, Yongxin Jin, Fang Bai, Zhihui Cheng, Un-Hwan Ha, Weihui Wu, Pierre Cornelis, Gerald B. Pier
mBio.2022;[Epub] CrossRef
Trans-acting regulators of ribonuclease activity
Jaejin Lee, Minho Lee, Kangseok Lee
Journal of Microbiology.2021; 59(4): 341. CrossRef
Acetylation of the CspA family protein CspC controls the type III secretion system through translational regulation ofexsAinPseudomonas aeruginosa
Shouyi Li, Yuding Weng, Xiaoxiao Li, Zhuo Yue, Zhouyi Chai, Xinxin Zhang, Xuetao Gong, Xiaolei Pan, Yongxin Jin, Fang Bai, Zhihui Cheng, Weihui Wu
Nucleic Acids Research.2021; 49(12): 6756. CrossRef
Transcriptional Regulation of the Multiple Resistance Mechanisms in Salmonella—A Review
Michał Wójcicki, Olga Świder, Kamila J. Daniluk, Paulina Średnicka, Monika Akimowicz, Marek Ł. Roszko, Barbara Sokołowska, Edyta Juszczuk-Kubiak
Pathogens.2021; 10(7): 801. CrossRef

Journal Article

Evolutionary analysis and protein family classification of chitin deacetylases in Cryptococcus neoformans: Seungsue Lee , Hyun Ah Kang , Seong-il Eyun; J. Microbiol. 2020;58(9):805-811. Published online September 1, 2020; DOI: https://doi.org/10.1007/s12275-020-0288-9

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Abstract

Cryptococcus neoformans is an opportunistic fungal pathogen causing cryptococcal meningoencephalitis. Interestingly, the cell wall of C. neoformans contains chitosan, which is critical for its virulence and persistence in the mammalian host. C. neoformans (H99) has three chitin deacetylases (CDAs), which convert chitin to chitosan. Herein, the classification of the chitin-related protein (CRP) family focused on cryptococcal CDAs was analyzed by phylogenetics, evolutionary pressure (dN/dS), and 3D modeling. A phylogenetic tree of 110 CRPs revealed that they can be divided into two clades, CRP I and II with bootstrap values (> 99%). CRP I clade comprises five groups (Groups 1–5) with a total of 20 genes, while CRP II clade comprises sixteen groups (Groups 6–21) with a total of 90 genes. CRP I comprises only fungal CDAs, including all three C. neoformans CDAs, whereas CRP II comprises diverse CDAs from fungi, bacteria, and amoeba, along with other carbohydrate esterase 4 family proteins. All CDAs have the signal peptide, except those from group 11. Notably, CDAs with the putative O-glycosylation site possess either the glycosylphosphatidylinositol (GPI)-anchor motif for CRP I or the chitin-binding domain (CBD) for CRP II, respectively. This evolutionary conservation strongly indicates that the O-glycosylation modification and the presence of either the GPI-anchor motif or the chitin-binding domain is important for fungal CDAs to function efficiently at the cell surface. This study reveals that C. neoformans CDAs carrying GPI anchors have evolved divergently from fungal and bacterial CDAs, providing new insights into evolution and classification of CRP family.

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Chitin Deacetylase Homologous Gene cda Contributes to Development and Aflatoxin Synthesis in Aspergillus flavus
Xin Zhang, Meifang Wen, Guoqi Li, Shihua Wang
Toxins.2024; 16(5): 217. CrossRef
Effects of altered N-glycan structures of Cryptococcus neoformans mannoproteins, MP98 (Cda2) and MP84 (Cda3), on interaction with host cells
Su-Bin Lee, Catia Mota, Eun Jung Thak, Jungho Kim, Ye Ji Son, Doo-Byoung Oh, Hyun Ah Kang
Scientific Reports.2023;[Epub] CrossRef
Novel Chitin Deacetylase from Thalassiosira weissflogii Highlights the Potential for Chitin Derivative Production
Mengzhen Cheng, Zhanru Shao, Xin Wang, Chang Lu, Shuang Li, Delin Duan
Metabolites.2023; 13(3): 429. CrossRef
Identification and Phylogenetic Analysis of Chitin Synthase Genes from the Deep-Sea Polychaete Branchipolynoe onnuriensis Genome
Hyeongwoo Choi, Sang Lyeol Kim, Man-Ki Jeong, Ok Hwan Yu, Seongil Eyun
Journal of Marine Science and Engineering.2022; 10(5): 598. CrossRef

Review

MINIREVIEW] Synthetic lethal interaction between oxidative stress response and DNA damage repair in the budding yeast and its application to targeted anticancer therapy: Ji Eun Choi , Woo-Hyun Chung; J. Microbiol. 2019;57(1):9-17. Published online December 29, 2018; DOI: https://doi.org/10.1007/s12275-019-8475-2

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Abstract

Synthetic lethality is an extreme form of negative genetic epistasis that arises when a combination of functional deficiency in two or more genes results in cell death, whereas none of the single genetic perturbations are lethal by themselves. This unconventional genetic interaction is a modification of the concept of essentiality that can be exploited for the purpose of targeted cancer therapy. The yeast Saccharomyces cerevisiae has been pivotally used for early large-scale synthetic lethal screens due to its experimental advantages, but recent advances in gene silencing technology have now made direct high-throughput analysis possible in higher organisms. Identification of tumor-specific alterations and characterization of the mechanistic principles underlying synthetic lethal interaction are the key to applying synthetic lethality to clinical cancer treatment by enabling genome-driven oncological research. Here, we provide emerging ideas on the synthetic lethal interactions in budding yeast, particularly between cellular processes responsible for oxidative stress response and DNA damage repair, and discuss how they can be appropriately utilized for context-dependent cancer therapeutics.

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CSSLdb: Discovery of cancer-specific synthetic lethal interactions based on machine learning and statistic inference
Yuyang Dou, Yujie Ren, Xinmiao Zhao, Jiaming Jin, Shizheng Xiong, Lulu Luo, Xinru Xu, Xueni Yang, Jiafeng Yu, Li Guo, Tingming Liang
Computers in Biology and Medicine.2024; 170: 108066. CrossRef
ML216-Induced BLM Helicase Inhibition Sensitizes PCa Cells to the DNA-Crosslinking Agent Cisplatin
Xiao-Yan Ma, Jia-Fu Zhao, Yong Ruan, Wang-Ming Zhang, Lun-Qing Zhang, Zheng-Dong Cai, Hou-Qiang Xu
Molecules.2022; 27(24): 8790. CrossRef
Clinical significance of chromosomal integrity in gastric cancers
Rukui Zhang, Zhaorui Liu, Xusheng Chang, Yuan Gao, Huan Han, Xiaona Liu, Hui Cai, Qiqing Fu, Lei Liu, Kai Yin
The International Journal of Biological Markers.2022; 37(3): 296. CrossRef
Functional interplay between the oxidative stress response and DNA damage checkpoint signaling for genome maintenance in aerobic organisms
Ji Eun Choi, Woo-Hyun Chung
Journal of Microbiology.2020; 58(2): 81. CrossRef
Genetic interactions derived from high-throughput phenotyping of 6589 yeast cell cycle mutants
Jenna E. Gallegos, Neil R. Adames, Mark F. Rogers, Pavel Kraikivski, Aubrey Ibele, Kevin Nurzynski-Loth, Eric Kudlow, T. M. Murali, John J. Tyson, Jean Peccoud
npj Systems Biology and Applications.2020;[Epub] CrossRef
DNA damage induces Yap5-dependent transcription of ECO1/CTF7 in Saccharomyces cerevisiae
Michael G. Mfarej, Robert V. Skibbens, Marco Muzi-Falconi
PLOS ONE.2020; 15(12): e0242968. CrossRef

Journal Articles

Composition and abundance of microbiota in the pharynx in patients with laryngeal carcinoma and vocal cord polyps: Hongli Gong , Boyan Wang , Yi Shi , Yong Shi , Xiyan Xiao , Pengyu Cao , Lei Tao , Yuezhu Wang , Liang Zhou; J. Microbiol. 2017;55(8):648-654. Published online July 28, 2017; DOI: https://doi.org/10.1007/s12275-017-6636-8

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Abstract

The pharynx is an important site of microbiota colonization, but the bacterial populations at this site have been relatively unexplored by culture-independent approaches. The aim of this study was to characterize the microbiota structure of the pharynx. Pyrosequencing of 16S rRNA gene libraries was used to characterize the pharyngeal microbiota using swab samples from 68 subjects with laryngeal cancer and 28 subjects with vocal cord polyps. Overall, the major phylum was Firmicutes, with Streptococcus as the predominant genus in the pharyngeal communities. Nine core operational taxonomic units detected from Streptococcus, Fusobacterium, Prevotella, Granulicatella, and Veillonella accounted for 21.3% of the total sequences detected. However, there was no difference in bacterial communities in the pharynx from patients with laryngeal cancer and vocal cord polyps. The relative abundance of Firmicutes was inversely correlated with Fusobacteria, Proteobacteria, Actinobacteria, and Bacteroidetes. The correlation was evident at the genus level, and the relative abundance of Streptococcus was inversely associated with Fusobacterium, Leptotrichia, Neisseria, Actinomyces, and Prevotella. This study presented a profile for the overall structure of the microbiota in pharyngeal swab samples. Inverse correlations were found between Streptococcus and other bacterial communities, suggesting that potential antagonism may exist among pharyngeal microbiota.

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Effects of squamous cell carcinoma and smoking status on oropharyngeal and laryngeal microbial communities
Maximilian Oberste, Brit Elisabeth Böse, Luis Gustavo dos Anjos Borges, Howard Junca, Iris Plumeier, Silke Kahl, Frank Simon, Achim Georg Beule, Claudia Rudack, Dietmar H. Pieper
Head & Neck.2024; 46(1): 145. CrossRef
Comparison of the bacterial microbiome in the pharynx and nasal cavity of persistent, intermittent carriers and non-carriers of Staphylococcus aureus
Samuel González-García, Aida Hamdan-Partida, Julia Pérez-Ramos, José Félix Aguirre-Garrido, Anaíd Bustos-Hamdan, Jaime Bustos-Martínez
Journal of Medical Microbiology .2024;[Epub] CrossRef
Fusobacterium nucleatum impairs DNA mismatch repair and stability in patients with squamous cell carcinoma of the head and neck
Chi‐Yao Hsueh, Hui‐Ching Lau, Qiang Huang, Hongli Gong, Ji Sun, Pengyu Cao, Chunyan Hu, Ming Zhang, Lei Tao, Liang Zhou
Cancer.2022; 128(17): 3170. CrossRef
Raman fl uorescence technologies for early detection of infl ammatory and oncological disorders as a part of public health strategy and a tool for improving the quality of medical care: a review
A. B. Timurzieva
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Cross-comparison of microbiota in the oropharynx, hypopharyngeal squamous cell carcinoma and their adjacent tissues through quantitative microbiome profiling
Hui-Ching Lau, Yujie Shen, Huiying Huang, Xiaohui Yuan, Mengyou Ji, Hongli Gong, Chi-Yao Hsueh, Liang Zhou
Journal of Oral Microbiology.2022;[Epub] CrossRef
Oral microbiota in oropharyngeal cancers: Friend or foe?
Riccardo Nocini, Lorenzo Lo Muzio, Davide Gibellini, Giovanni Malerba, Michele Milella, Salvatore Chirumbolo, Nicoletta Zerman
Frontiers in Oncology.2022;[Epub] CrossRef
Oropharynx microbiota transitions in hypopharyngeal carcinoma treatment of induced chemotherapy followed by surgery
Hui-Ching Lau, Chi-Yao Hsueh, Hongli Gong, Ji Sun, Hui-Ying Huang, Ming Zhang, Liang Zhou
BMC Microbiology.2021;[Epub] CrossRef
The Role of Bacterial and Fungal Human Respiratory Microbiota in COVID-19 Patients
Saber Soltani, Armin Zakeri, Milad Zandi, Mina Mobini Kesheh, Alireza Tabibzadeh, Mahsa Dastranj, Samireh Faramarzi, Mojtaba Didehdar, Hossein Hafezi, Parastoo Hosseini, Abbas Farahani, Cassiano Felippe Gonçalves-de-Albuquerque
BioMed Research International.2021; 2021: 1. CrossRef
Selective Bacterial Colonization of the Murine Larynx in a Gnotobiotic Model
Ran An, Madhu Gowda, Federico E. Rey, Susan L. Thibeault
Frontiers in Microbiology.2020;[Epub] CrossRef
Throat Microbial Community Structure and Functional Changes in Postsurgery Laryngeal Carcinoma Patients
Chi-Yao Hsueh, Hongli Gong, Ning Cong, Ji Sun, Hui-Ching Lau, Yang Guo, Qiang Huang, Xiaohui Yuan, Ming Zhang, Lei Tao, Liang Zhou, Harold L. Drake
Applied and Environmental Microbiology.2020;[Epub] CrossRef
Fusobacterium spp. target human CEACAM1 via the trimeric autotransporter adhesin CbpF
Matthew L. Brewer, David Dymock, R. Leo Brady, Bernhard B. Singer, Mumtaz Virji, Darryl J. Hill
Journal of Oral Microbiology.2019; 11(1): 1565043. CrossRef
Quality and metagenomic evaluation of a novel functional beverage produced from soy whey using water kefir grains
Chuanhai Tu, Fidelis Azi, Jin Huang, Xiao Xu, Guangliang Xing, Mingsheng Dong
LWT.2019; 113: 108258. CrossRef
Potential role of microbiome in oncogenesis, outcome prediction and therapeutic targeting for head and neck cancer
Ester Orlandi, Nicola Alessandro Iacovelli, Vincenzo Tombolini, Tiziana Rancati, Antonella Polimeni, Loris De Cecco, Riccardo Valdagni, Francesca De Felice
Oral Oncology.2019; 99: 104453. CrossRef

Latent Kaposi’s sarcoma-associated herpesvirus infection in bladder cancer cells promotes drug resistance by reducing reactive oxygen species: Suhyuk Lee , Jaehyuk Jang , Hyungtaek Jeon , Jisu Lee , Seung-Min Yoo , Jinsung Park , Myung-Shin Lee; J. Microbiol. 2016;54(11):782-788. Published online October 29, 2016; DOI: https://doi.org/10.1007/s12275-016-6388-x

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Abstract

Kaposi’s sarcoma-associated herpesvirus (KSHV) is the major etiologic agent of Kaposi’s sarcoma, primary effusion lymphoma, and multicentric Castleman’s disease. Recent studies have indicated that KSHV can be detected at high frequency in patient-derived bladder cancer tissue and might be associated with the pathogenesis of bladder cancer. Bladder cancer is the second most common cancer of the genitourinary tract, and it has a high rate of recurrence. Because drug resistance is closely related to chemotherapy failure and cancer recurrence, we investigated whether KSHV infection is associated with drug resistance of bladder cancer cells. Some KSHV-infected bladder cancer cell lines showed resistance to an anti-cancer drug, cisplatin, possibly as a result of downregulation of reactive oxygen species. Additionally, drug resistance acquired from KSHV infection could partly be overcome by HDAC1 inhibitors. Taken together, the data suggest the possible role of KSHV in chemo-resistant bladder cancer, and indicate the therapeutic potential of HDAC1 inhibitors in drug-resistant bladder cancers associated with KSHV infection.

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Dong Yu, Anqi Wang, Jing Zhang, Xinxing Li, Caifeng Jiang, Haiyang Zhou
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Aikaterini F. Giannopoulou, Athanassios D. Velentzas, Eumorphia G. Konstantakou, Margaritis Avgeris, Stamatia A. Katarachia, Nikos C. Papandreou, Nikolas I. Kalavros, Vassiliki E. Mpakou, Vassiliki Iconomidou, Ema Anastasiadou, Ioannis K. Kostakis, Issido
International Journal of Molecular Sciences.2019; 20(6): 1291. CrossRef
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Sangmin Kang, Jinjong Myoung
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Yang Qu, Jinyu Xu, Haohan Zhou, Rongpeng Dong, Mingyang Kang, Jianwu Zhao
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