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Comparative genomics of obligate predatory bacteria belonging to phylum highlights distribution and predicted functions of lineage-specific protein families.
mSphere
December 2024
Department of Biology, Providence College, Providence, Rhode Island, USA.
Article Synopsis
- Comparative genomics of predatory and non-predatory bacteria reveals significant differences in their genomes, aiding the understanding of their ecology and potential therapeutic uses against drug-resistant infections.
- Analysis of 18 obligate predatory bacteria and 15 non-predatory bacteria highlighted at least five distinct species and recent reclassifications, showcasing lineage-specific gene clusters related to predatory functions.
- Key findings include a focus on enzymes involved in peptidoglycan metabolism unique to predatory bacteria, suggesting evolutionary adaptations for their predatory lifestyle, which may be targeted for further functional studies.
Cell cycle-dependent organization of a bacterial centromere through multi-layered regulation of the ParABS system.
PLoS Genet
September 2023
de Duve Institute, UCLouvain, Brussels, Belgium.
The accurate distribution of genetic material is crucial for all organisms. In most bacteria, chromosome segregation is achieved by the ParABS system, in which the ParB-bound parS sequence is actively partitioned by ParA. While this system is highly conserved, its adaptation in organisms with unique lifestyles and its regulation between developmental stages remain largely unexplored.
View Article and Find Full Text PDFTwo-state swimming: Strategy and survival of a model bacterial predator in response to environmental cues.
Biophys J
August 2023
Department of Physics, Arizona State University, Tempe, Arizona; Center for Biological Physics, Arizona State University, Tempe, Arizona; School of Molecular Sciences, Arizona State University, Tempe, Arizona. Electronic address:
Bdellovibrio bacteriovorus is a predatory bacterium preying upon Gram-negative bacteria. As such, B. bacteriovorus has the potential to control antibiotic-resistant pathogens and biofilm populations.
View Article and Find Full Text PDFAFM Force Mapping Elucidates Pilus Deployment and Key Lifestyle-Dependent Surface Properties in .
Langmuir
March 2023
Department of Chemistry, State University of New York, New Paltz, New York 12561, United States.
is known for predation of a wide variety of Gram-negative bacteria, making it of interest as an alternative or supplement to chemical antibiotics. However, a fraction of follows a nonpredatory, "host-independent" (HI) life cycle. In this study, live predatory and HI were captured on a surface and examined, in buffer, by collecting force maps using atomic force microscopy (AFM).
View Article and Find Full Text PDFGenome-centric view of the microbiome in a new deep-sea glass sponge species sp.
Front Microbiol
February 2023
Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya, Hainan, China.
Sponges are widely distributed in the global ocean and harbor diverse symbiotic microbes with mutualistic relationships. However, sponge symbionts in the deep sea remain poorly studied at the genome level. Here, we report a new glass sponge species of the genus and provide a genome-centric view of its microbiome.
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