Journal of Bacteriology

Journal Information
ISSN / EISSN : 0021-9193 / 1098-5530
Published by: American Society for Microbiology (10.1128)
Total articles ≅ 79,777
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Latest articles in this journal

Allyssa K. Miller,
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00023-22

Abstract:
The DNA-binding protein RefZ and its binding sites ( RBM s) are conserved in sequence and location on the chromosome across the Bacillus genus and contribute to the timing of polar FtsZ-ring assembly during sporulation. Only a small number of noncoding and nonregulatory DNA motifs are known to be conserved in chromosomal position in bacteria, suggesting there is strong selective pressure for their maintenance; however, a refZ deletion mutant sporulates efficiently, providing no clues as to their functional significance.
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00079-22

Abstract:
Many members of the phylum Firmicutes ( Bacillota ) are capable of producing endospores, which enhance the survival of important Gram-positive pathogens that cause such diseases as anthrax, botulism, colitis, gas gangrene, and tetanus. We show that the core set of sporulation genes, defined previously through genome comparisons of several bacilli and clostridia, is conserved in a wide variety of sporeformers from several distinct lineages of Firmicutes .
Emily S. Melzer, Takehiro Kado, Alam García-Heredia, Kuldeepkumar Ramnaresh Gupta, Xavier Meniche, , Christopher M. Sassetti, ,
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00540-21

Abstract:
Peptidoglycan synthesis is a highly successful target for antibiotics. The pathway has been extensively studied in model organisms under laboratory-optimized conditions.
Cihan Yilmaz,
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00026-22

Abstract:
The bacterial nucleoid is a highly organized and dynamic structure for simultaneous transcription, replication, and segregation of the bacterial genome. Compaction of the nucleoid and disturbance of DNA segregation and cell division by artificially high levels of transcription regulators, as described here, reveals that an excess of DNA-binding protein disturbs nucleoid structuring.
BoHyun Jeong, Majid Ali Shah, Eunjung Roh, Kyeongkyu Kim, Indal Park,
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00018-22

Abstract:
Staphylococcus aureus is a versatile Gram-positive human pathogen infecting various human organs. The bacterium's versatility is partly due to efficient metabolic regulation via the carbon catabolite repression system (CCR). S. aureus is known to interconvert proline and arginine, and CCR represses the synthesis of both amino acids.
Vivian Monzon, Alex Bateman
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00107-22

Abstract:
Fibrillar adhesins are a class of bacterial cell surface proteins that enable bacteria to interact with their environment. We developed a machine learning approach to identify fibrillar adhesins and applied this classification approach to the Firmicutes and Actinobacteria Reference Proteomes database.
Boqian Wang, Jianglin Zhou, Yuan Jin, Mingda Hu, Yunxiang Zhao, Xin Wang, Long Liang, Junjie Yue, Hongguang Ren
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00141-22

Abstract:
A 3-step framework was designed which can be applied to clustering species based on their protein domains, and different candidate models are proposed in each step for better adaptation of various scenarios. We show its implementation for the bacterial kingdom as an example, which helps us to find the most appropriate model combination that will best reflect the relationship between domains and phenotypes in this context.
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00121-22

Abstract:
The WalRK two-component system (TCS) is essential for coordinating synthesis and turnover of peptidoglycan in Firmicutes . We investigated the WalRK TCS in Clostridioides difficile , an important bacterial pathogen with an atypical cell envelope.
Bruno P. Lima, Julia R. Davies, Claes Wickström, Karen F. Johnstone, Jeffrey W. Hall, Gunnel Svensater,
Journal of Bacteriology, Volume 204; https://doi.org/10.1128/jb.00118-22

Abstract:
All organisms throughout the tree of life sense and respond to their surface environments. To discriminate among mucosal surface environmental cues, we report that Streptococcus gordonii recognizes a high-molecular-weight mucin glycoprotein, MUC5B, using the paired adhesins SspAB and lipoteichoic acid; the latter bridges the outside signal to an intramembrane two-component system to transcriptionally regulate a MUC5B-specific adhesin and genes that may facilitate glycan catabolism.
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