Selection, drift and bias shape bacterial peptide evolution
A 2026 study in two insect-pathogenic bacterial genera found that selection, genetic drift and biased recombination jointly shaped the evolution ...
Tag: bacterial evolution
Mathematical model predicts mobile-element competition shapes microbial defense evolution
A mathematical model predicts that competition among mobile genetic elements can lead to low-cost host-benefiting defenses or costly systems that ...
Gene Swapping, Not Mutation, Drives the Hidden Evolutionary Rulebook of Gut Bacteria
A new PLOS Biology study shows that recombination, not changing selection pressures, largely explains the declining dN/dS ratios observed in ...
Gut Microbes That Traveled the World With Ancient Humans Are Vanishing
Deep genomic sequencing of the Tsimane and Hadza peoples reveals that hundreds of gut bacterial species co-migrated with humans across ...
Losing Genes in Sequence Propelled the Global Rise of Monophasic Salmonella ST34
A large-scale genomic study finds that the global rise of monophasic Salmonella Typhimurium ST34 was driven by an ordered sequence ...
New Tools Pluck Gene Cassettes From Bacteria at Unprecedented Scale
Researchers have engineered tools that recover hundreds of individual integron gene cassettes with over 99 percent specificity, uncovering five previously ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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