Journal of Microbiology

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.

NEDD4 Regulated Pyroptosis Occurred from Co‑infection between Influenza A Virus and Streptococcus pneumoniae: Jiangzhou You , Linlin Zhou , Xudong San , Hailing Li , Mingyuan Li , Baoning Wang; J. Microbiol. 2023;61(8):777-789. Published online October 4, 2023; DOI: https://doi.org/10.1007/s12275-023-00076-y

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Co-infection of respiratory tract viruses and bacteria often result in excess mortality, especially pneumonia caused by influenza viruses and Streptococcus pneumoniae. However, the synergistic mechanisms remain poorly understood. Therefore, it is necessary to develop a clearer understanding of the molecular basis of the interaction between influenza virus and Streptococcus pneumonia. Here, we developed the BALB/c mouse model and the A549 cell model to investigate inflammation and pyroptotic cell death during co-infection. Co-infection significantly activated the NLRP3 inflammasome and induced pyroptotic cell death, correlated with excess mortality. The E3 ubiquitin ligase NEDD4 interacted with both NLRP3 and GSDMD, the executor of pyroptosis. NEDD4 negatively regulated NLRP3 while positively regulating GSDMD, thereby modulating inflammation and pyroptotic cell death. Our findings suggest that NEDD4 may play a crucial role in regulating the GSDMD-mediated pyroptosis signaling pathway. Targeting NEDD4 represents a promising approach to mitigate excess mortality during influenza pandemics by suppressing synergistic inflammation during co-infection of influenza A virus and Streptococcus pneumoniae.

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Yinqin Qingfei granules alleviate Mycoplasma pneumoniae pneumonia via inhibiting NLRP3 inflammasome-mediated macrophage pyroptosis
Zhe Song, Chengen Han, Guangzhi Luo, Guangyuan Jia, Xiao Wang, Baoqing Zhang
Frontiers in Pharmacology.2024;[Epub] CrossRef
Overexpression of DTX1 inhibits D-GalN/TNF-α-induced pyroptosis and inflammation in hepatocytes by regulating NLRP3 ubiquitination
Mingshui Liu, Jing Gu, Li Chen, Wei Sun, Xiaoping Huang, Jianhe Gan
Toxicology Research.2024;[Epub] CrossRef
NLRP3 Inflammasomes: Dual Function in Infectious Diseases
Yanbo Li, Rui Qiang, Zhengmin Cao, Qingjuan Wu, Jiuchong Wang, Wenliang Lyu
The Journal of Immunology.2024; 213(4): 407. CrossRef

Genome Sequencing Highlights the Plant Cell Wall Degrading Capacity of Edible Mushroom Stropharia rugosoannulata: Mengpei Guo , Xiaolong Ma , Yan Zhou , Yinbing Bian , Gaolei Liu , Yingli Cai , Tianji Huang , Hongxia Dong , Dingjun Cai , Xueji Wan , Zhihong Wang , Yang Xiao , Heng Kang; J. Microbiol. 2023;61(1):83-93. Published online February 1, 2023; DOI: https://doi.org/10.1007/s12275-022-00003-7

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Abstract

The basidiomycetous edible mushroom Stropharia rugosoannulata has excellent nutrition, medicine, bioremediation, and biocontrol properties. S. rugosoannulata has been widely and easily cultivated using agricultural by-products showing strong lignocellulose degradation capacity. However, the unavailable high-quality genome information has hindered the research on gene function and molecular breeding of S. rugosoannulata. This study provided a high-quality genome assembly and annotation from S. rugosoannulata monokaryotic strain QGU27 based on combined Illumina-Nanopore data. The genome size was about 47.97 Mb and consisted of 20 scaffolds, with an N50 of 3.73 Mb and a GC content of 47.9%. The repetitive sequences accounted for 17.41% of the genome, mostly long terminal repeats (LTRs). A total of 15,726 coding gene sequences were putatively identified with the BUSCO score of 98.7%. There are 142 genes encoding plant cell wall degrading enzymes (PCWDEs) in the genome, and 52, 39, 30, 11, 8, and 2 genes related to lignin, cellulose, hemicellulose, pectin, chitin, and cutin degradation, respectively. Comparative genomic analysis revealed that S. rugosoannulata is superior in utilizing aldehyde-containing lignins and is possible to utilize algae during the cultivation.

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Analysis of Gene Regulatory Network and Transcription Factors in Different Tissues of the Stropharia rugosoannulata Fruiting Body
Jia Lu, Jing Yan, Na Lu, Jiling Song, Jiayao Lin, Xiaohua Zhou, Xuebing Ying, Zhen Li, Zufa Zhou, Fangjie Yao
Journal of Fungi.2025; 11(2): 123. CrossRef
Evaluation of Genetic Diversity and Agronomic Traits of Germplasm Resources of Stropharia rugosoannulata
Miao Gu, Qiang Chen, Yan Zhang, Yongchang Zhao, Li Wang, Xiangli Wu, Mengran Zhao, Wei Gao
Horticulturae.2024; 10(3): 213. CrossRef
Molecular Profiling of Rice Straw Degradability Discrepancy in Stropharia rugosoannulata Core Germplasm
Wenbing Gong, Yuyu Zeng, Xinru Li, Zhidong Zhao, Nan Shen, Yan Zhou, Yinbing Bian, Yang Xiao
Journal of Agricultural and Food Chemistry.2024; 72(45): 25379. CrossRef
Genome assembly of M. spongiola and comparative genomics of the genus Morchella provide initial insights into taxonomy and adaptive evolution
Qing Meng, Zhanling Xie, Hongyan Xu, Jing Guo, Qingqing Peng, Yanyan Li, Jiabao Yang, Deyu Dong, Taizhen Gao, Fan Zhang
BMC Genomics.2024;[Epub] CrossRef

Weigela florida inhibits the expression of inflammatory mediators induced by Pseudomonas aeruginosa and Staphylococcus aureus infection: Hyo Bin Kim , Soomin Cho , Yeji Lee , Weihui Wu , Un-Hwan Ha; J. Microbiol. 2022;60(6):649-656. Published online April 30, 2022; DOI: https://doi.org/10.1007/s12275-022-1638-6

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Abstract

Inflammatory responses involve the action of inflammatory mediators that are necessary for the clearance of invading bacterial pathogens. However, excessive production of inflammatory mediators can damage tissues, thereby impairing bacterial clearance. Here, we examined the effects of Weigela florida on the expression of inflammatory cytokines induced by Pseudomonas aeruginosa or Staphylococcus aureus infection in macrophages. The results showed that pre-treatment with W. florida markedly downregulated the bacterial infectionmediated expression of cytokines. Additionally, post-treatment also triggered anti-inflammatory effects in cells infected with S. aureus to a greater extent than in those infected with P. aeruginosa. Bacterial infection activated inflammation-associated AKT (Thr308 and Ser473)/NF-κB and MAPK (p38, JNK, and ERK) signaling pathways, whereas W. florida treatment typically inhibited the phosphorylation of AKT/NF‐κB and p38/JNK, supporting the anti‐inflammatory effects of W. florida. The present results suggest that W. florida decreases the infection-mediated expression of inflammatory mediators by inhibiting the AKT/NF-κB and MAPK signaling pathways, implying that it may have potential use as an inhibitory agent of excessive inflammatory responses.

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Multifunctional fluorescence probe for simultaneous detection of viscosity, polarity, and ONOO− and its bioimaging in vitro and vivo
Yuan-Yuan Li, Jia-Ling Hu, Ji-Rou Wu, Yi-Ru Wang, Ai-Hong Zhang, Yu-Wei Tan, Ya-Jing Shang, Ting Liang, Min Li, Ya-Li Meng, Yan-Fei Kang
Biosensors and Bioelectronics.2024; 254: 116233. CrossRef
Polymicrobial interactions influence Mycobacterium abscessus co-existence and biofilm forming capabilities
Nishant Nandanwar, Geoffery Gu, Joy E. Gibson, Michael N. Neely
Frontiers in Microbiology.2024;[Epub] CrossRef
Tissue damage alleviation and mucin inhibition by P5 in a respiratory infection mouse model with multidrug-resistant Acinetobacter baumannii
Jun Hee Oh, Jonggwan Park, Hee Kyoung Kang, Hee Joo Park, Yoonkyung Park
Biomedicine & Pharmacotherapy.2024; 181: 117724. CrossRef
Spatiotemporal Deep-Learning-Based Algal Bloom Prediction for Lake Okeechobee Using Multisource Data Fusion
Yufei Tang, Yingqi Feng, Sasha Fung, Veronica Ruiz Xomchuk, Mingshun Jiang, Tim Moore, Jordon Beckler
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing.2022; 15: 8318. CrossRef

Review

Recent advances in the development of β-lactamase inhibitors: Shivakumar S. Jalde , Hyun Kyung Choi; J. Microbiol. 2020;58(8):633-647. Published online July 27, 2020; DOI: https://doi.org/10.1007/s12275-020-0285-z

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Abstract

β-Lactam antibiotics are the most commonly prescribed antibiotics worldwide; however, antimicrobial resistance (AMR) is a global challenge. The β-lactam resistance in Gram-negative bacteria is due to the production of β-lactamases, including extended-spectrum β-lactamases, metallo-β-lactamases, and carbapenem-hydrolyzing class D β-lactamases. To restore the efficacy of BLAs, the most successful strategy is to use them in combination with β-lactamase inhibitors (BLI). Here we review the medically relevant β-lactamase families and penicillins, diazabicyclooctanes, boronic acids, and novel chemical scaffold-based BLIs, in particular approved and under clinical development.

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Functional and structural analyses of IMP-27 metallo-β-lactamase: evolution of IMP-type enzymes to overcome Zn(II) deprivation
Yoshiki Kato, Toshio Yamaguchi, Haruka Nakagawa-Kamura, Yoshikazu Ishii, Akiko Shimizu-Ibuka, Pablo Power
Microbiology Spectrum.2024;[Epub] CrossRef
Current Strategy for Targeting Metallo-β-Lactamase with Metal-Ion-Binding Inhibitors
Jessica L. Ortega-Balleza, Lenci K. Vázquez-Jiménez, Eyra Ortiz-Pérez, Guadalupe Avalos-Navarro, Alma D. Paz-González, Edgar E. Lara-Ramírez, Gildardo Rivera
Molecules.2024; 29(16): 3944. CrossRef
Understanding the Functional Dynamics of the TokK Enzyme in Carbapenem Biosynthesis via MD Simulations and QM/MM Calculations
Shakir Ali Siddiqui, Kshatresh Dutta Dubey
Inorganic Chemistry.2024; 63(40): 18963. CrossRef
Recent advances in functionalized macrocyclic polyamines for medicine applications
Hao Chang, Renzhong Qiao, Chao Li
Chinese Chemical Letters.2024; : 110675. CrossRef
Exploring the dynamics of gut microbiota, antibiotic resistance, and chemotherapy impact in acute leukemia patients: A comprehensive metagenomic analysis
Ying Luo, Taha Majid Mahmood Sheikh, Xin Li, YuMeng Yuan, Fen Yao, Meimei Wang, Xiaoling Guo, Jilong Wu, Muhammad Shafiq, Qingdong Xie, Xiaoyang Jiao
Virulence.2024;[Epub] CrossRef
Decrypting biocontrol functions and application modes by genomes data of three Trichoderma Strains/Species
Shida Ji, Bin Liu, Jing Han, Ning Kong, Yongfeng Yang, Yucheng Wang, Zhihua Liu
Fungal Genetics and Biology.2024; 172: 103889. CrossRef
Revisiting the Checkerboard to Inform Development of β-Lactam/β-Lactamase Inhibitor Combinations
Darren J. Bentley
Antibiotics.2024; 13(4): 337. CrossRef
Role of β-Lactamase Inhibitors as Potentiators in Antimicrobial Chemotherapy Targeting Gram-Negative Bacteria
Song Zhang, Xinyu Liao, Tian Ding, Juhee Ahn
Antibiotics.2024; 13(3): 260. CrossRef
The C5α-Methyl-Substituted Carbapenem NA-1-157 Exhibits Potent Activity against Klebsiella spp. Isolates Producing OXA-48-Type Carbapenemases
Clyde A. Smith, Nichole K. Stewart, Marta Toth, Pojun Quan, John D. Buynak, Sergei B. Vakulenko
ACS Infectious Diseases.2023; 9(5): 1123. CrossRef
Phenotypes, genotypes and breakpoints: an assessment of β-lactam/β-lactamase inhibitor combinations against OXA-48
Tomefa E Asempa, Abigail K Kois, Christian M Gill, David P Nicolau
Journal of Antimicrobial Chemotherapy.2023; 78(3): 636. CrossRef
Characteristics of Extended-Spectrum β-Lactamase-Producing Escherichia coli Derived from Food and Humans in Northern Xinjiang, China
Yushuang Wu, Shudi Huang, Donglai Zhang, Hua Ji, Yongqing Ni, Xueling Zhang, Juan Dong, Baokun Li
Foodborne Pathogens and Disease.2023; 20(7): 270. CrossRef
Sequential C−H Methylation Catalyzed by the B12‐Dependent SAM Enzyme TokK: Comprehensive Theoretical Study of Selectivities
Wen‐Hao Deng, Rong‐Zhen Liao
Chemistry – A European Journal.2023;[Epub] CrossRef
CMOS Spectrophotometric Microsystem for Malaria Detection
Gabriel M. Ferreira, Vitória Baptista, Vítor Silva, Maria I. Veiga, Graça Minas, Susana O. Catarino
IEEE Transactions on Biomedical Engineering.2023; 70(8): 2318. CrossRef
Synthesis and β-Lactamase Inhibition Activity of Imidates of Diazabicyclooctane
Lijuan Zhai, Jian Sun, Jingwen Ji, Lili He, Yuanyu Gao, Jinbo Ji, Yuanbai Liu, Yangxiu Mu, Xueqin Ma, Dong Tang, Haikang Yang, Zafar Iqbal, Zhixiang Yang
Russian Journal of Bioorganic Chemistry.2022; 48(5): 1059. CrossRef
Recent Developments to Cope the Antibacterial Resistance via β-Lactamase Inhibition
Zafar Iqbal, Jian Sun, Haikang Yang, Jingwen Ji, Lili He, Lijuan Zhai, Jinbo Ji, Pengjuan Zhou, Dong Tang, Yangxiu Mu, Lin Wang, Zhixiang Yang
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Retracted and replaced: Phenotypes, genotypes and breakpoints: an assessment of β-lactam/ β-lactamase inhibitor combinations against OXA-48
Tomefa E Asempa, Abigail K Kois, Christian M Gill, David P Nicolau
Journal of Antimicrobial Chemotherapy.2022; 77(10): 2622. CrossRef
Carbapenemase producing Klebsiella pneumoniae: implication on future therapeutic strategies
Ilias Karaiskos, Irene Galani, Vassiliki Papoutsaki, Lamprini Galani, Helen Giamarellou
Expert Review of Anti-infective Therapy.2022; 20(1): 53. CrossRef
Antimicrobial Activity of Dihydroisocoumarin Isolated from Wadi Lajab Sediment-Derived Fungus Penicillium chrysogenum: In Vitro and In Silico Study
Raha Orfali, Shagufta Perveen, Mohamed Fahad AlAjmI, Safina Ghaffar, Md Tabish Rehman, Abdullah R. AlanzI, Saja Bane Gamea, Mona Essa Khwayri
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The Odd Couple(s): An Overview of Beta-Lactam Antibiotics Bearing More Than One Pharmacophoric Group
Margherita De Rosa, Anna Verdino, Annunziata Soriente, Anna Marabotti
International Journal of Molecular Sciences.2021; 22(2): 617. CrossRef
Drugs That Changed Society: History and Current Status of the Early Antibiotics: Salvarsan, Sulfonamides, and β-Lactams
Søren Brøgger Christensen
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In Crystallo Time-Resolved Interaction of the Clostridioides difficile CDD-1 enzyme with Avibactam Provides New Insights into the Catalytic Mechanism of Class D β-lactamases
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ACS Infectious Diseases.2021; 7(6): 1765. CrossRef
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