30 results found
    1. Evolutionary Biology

    Spatio-temporal control of mutualism in legumes helps spread symbiotic nitrogen fixation

    Benoit Daubech et al.
    Experiments and mathematical modelling show that rare nitrogen fixing symbionts invade a population dominated by non-fixing bacteria across plant generations, above a threshold of a combination of ecological factors.
    1. Ecology
    2. Plant Biology

    How scent and nectar influence floral antagonists and mutualists

    Danny Kessler et al.
    Floral scent and nectar are highly variable in natural populations and both traits can influence outcrossing rates differently for different pollinators and increase future herbivory.
    1. Epidemiology and Global Health
    2. Plant Biology

    Plant Pathology: Plasmid-powered evolutionary transitions

    Ryan A Melnyk, Cara H Haney
    The acquisition of a virulence plasmid is sufficient to turn a beneficial strain of Rhodococcus bacteria into a pathogen.
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    1. Ecology

    Acknowledging selection at sub-organismal levels resolves controversy on pro-cooperation mechanisms

    Wenying Shou
    Building on previous work (Momeni et al., 2013), it is shown that recognizing the hierarchical organization of biological systems resolves the ongoing controversy on pro-cooperation mechanisms.
    1. Epidemiology and Global Health
    2. Plant Biology

    Evolutionary transitions between beneficial and phytopathogenic Rhodococcus challenge disease management

    Elizabeth A Savory et al.
    The horizontal acquisition of virulence plasmids is potentiated by production practices in plant nurseries and is sufficient to transition Rhodococcus from being beneficial to being pathogenic.
    1. Ecology

    Spatial self-organization favors heterotypic cooperation over cheating

    Babak Momeni et al.
    Two cooperative populations of yeast cells that cannot distinguish between cooperative partners and cheating intruders can still self-organize into clusters that exclude cheaters.
    1. Microbiology and Infectious Disease
    2. Ecology

    The Natural History of Model Organisms: The unexhausted potential of E. coli

    Zachary D Blount
    A better understanding of the remarkable diversity, natural history and complex ecology of E. coli in the wild could shed new light on its biology and role in disease, and further expand its many uses as a model organism.
    1. Ecology
    2. Plant Biology

    Pollination: How to get the best deal

    Kelsey JRP Byers, Florian P Schiestl
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    1. Developmental Biology
    2. Microbiology and Infectious Disease

    Bacterial colonization stimulates a complex physiological response in the immature human intestinal epithelium

    David R Hill et al.
    Contact with bacteria and subsequent hypoxia promotes functional maturation of the immature gastrointestinal tract.
    1. Genomics and Evolutionary Biology

    Membranes, energetics, and evolution across the prokaryote-eukaryote divide

    Michael Lynch, Georgi K Marinov
    The common view that the mitochondrion endowed eukaryotes with a boost in bioenergetic capacity above that in prokaryotes is inconsistent with a diversity of cellular features.

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