48 results found
    1. Evolutionary Biology

    Molecular function limits divergent protein evolution on planetary timescales

    Mariam M Konaté et al.
    Orthologous proteins that continuously maintain the same molecular function do not usually diverge beyond a certain level of sequence and structural similarity.
    1. Ecology

    Entomopathogenic nematodes increase predation success by inducing cadaver volatiles that attract healthy herbivores

    Xi Zhang et al.
    By changing the smell of their host, entomopathogenic nematodes attract future hosts and increase their predation success.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Apicomplexan-like parasites are polyphyletic and widely but selectively dependent on cryptic plastid organelles

    Jan Janouškovec et al.
    Apicomplexan-like parasites originated several times independently and many of them contain cryptic plastid organelles, which demonstrate that the parasites evolved from photosynthetic algae.
    1. Neuroscience

    Neuroanatomy of a hydrothermal vent shrimp provides insights into the evolution of crustacean integrative brain centers

    Julia Machon et al.
    A neuroanatomical analysis of Rimicaris exoculata provides insights into these animal’s brain architecture to illustrate possible adaptations to the hydrothermal vent habitat with its extreme physicochemical conditions.
    1. Ecology

    Algal-fungal symbiosis leads to photosynthetic mycelium

    Zhi-Yan Du et al.
    The capacity for symbiosis between photosynthetic microalgae and early diverging lineages fungi was demonstrated with microscopy and stable isotope exchange of carbon and nitrogen.
    1. Evolutionary Biology

    The genomes of polyextremophilic cyanidiales contain 1% horizontally transferred genes with diverse adaptive functions

    Alessandro W Rossoni et al.
    Horizontal gene transfer (HGT) analysis in polyextremophile red algae (Cyanidiales) provides explanations for the nonexistence of cumulative effects and eukaryotic pangenomes, and highlights differences between HGT and native genes.
    1. Cell Biology
    2. Evolutionary Biology

    Sterol transfer by atypical cholesterol-binding NPC2 proteins in coral-algal symbiosis

    Elizabeth Ann Hambleton et al.
    Diversification of a conserved cholesterol binder drives functional replacement of cholesterol with symbiont-produced sterols in corals living in nutrient-poor environments.
    1. Computational and Systems Biology

    Essential metabolism for a minimal cell

    Marian Breuer et al.
    A near-complete flux balance analysis model of a minimal cell demonstrates the high essentiality of its metabolic genes, agrees well with experimental essentiality data and suggests some further gene removals.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    An updated phylogeny of the Alphaproteobacteria reveals that the parasitic Rickettsiales and Holosporales have independent origins

    Sergio A Muñoz-Gómez et al.
    Diverse sophisticated phylogenetic analyses update the phylogeny of the Alphaproteobacteria and show that the parasitic Holosporales is a derived group within the Rhodospirillales order which comprises primarily free-living alphaproteobacteria.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Three F-actin assembly centers regulate organelle inheritance, cell-cell communication and motility in Toxoplasma gondii

    Nicolò Tosetti et al.
    Toxoplasma gondii formins have several non-overlapping roles including generating an apico-basal flux of F-actin that is controlled by phosphorylation and methylation and is essential for motility.

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