Tag

Bacterial Evolution

All articles tagged with #bacterial evolution

science1 month ago•5 min saved

UTI-triggered Klebsiella split reveals hidden brain-virulence within a patient

A 63-year-old woman with a urinary tract infection developed a brain abscess two years later after a hypervirulent subpopulation of Klebsiella pneumoniae evolved within her urinary tract and disseminated to the brain and eye; genome analysis showed these hypervirulent strains diverged from a common ancestor and arose via capsule-related mutations, illustrating heterovirulence and intra-patient bacterial evolution while remaining antibiotic-susceptible.

via Ars Technica|

#bacterial-evolution #brain-abscess #heterovirulence

science2 years ago•3 min saved

"Deep-Sea Hydrothermal Vent Reveals New Bacterial Species, Advancing Evolutionary Understanding"

A new mesophilic, sulfur-oxidizing bacterial species, Hydrogenimonas cancrithermarum, discovered at a deep-sea hydrothermal vent, provides insights into bacterial evolution and diversity. This discovery highlights the importance of microbial cultivation in complementing genomic studies and offers new understanding of the adaptation and evolution of deep-sea bacteria. The research, conducted by Hokkaido University and Woods Hole Oceanographic Institution, sheds light on the unique features of this newly discovered species and its potential role in the evolutionary transition of bacteria.

via SciTechDaily|

#bacterial-diversity #bacterial-evolution #deep-sea-hydrothermal-vent

science3 years ago•2 min saved

Unveiling the Influence of Host Social Interactions on Bacterial Evolution

A new study published in Molecular Biology and Evolution reveals that hosts sharing the same space and social interactions have a more similar composition of gut bacteria. Researchers used an innovative experimental evolution approach and found a high rate of microbial transmission between co-housed mice, leading to shared evolutionary events. The study highlights the significant role of bacterial transmission in shaping the adaptive evolution of gut microbiomes and sheds light on the complex relationship between social interactions, intestinal bacteria, and human health.

via Phys.org|

#bacterial-evolution #experimental-evolution #gut-bacteria