73 results found
    1. Evolutionary Biology

    Improved use of a public good selects for the evolution of undifferentiated multicellularity

    John H Koschwanez et al.
    The ability to share resources for the benefit of all members of a group may have driven ancient organisms to evolve from a unicellular to a multicellular state.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Evolution of multicellularity by collective integration of spatial information

    Enrico Sandro Colizzi et al.
    Selection for undifferentiated multicellularity emerges in an evolutionary cell-based model because a collective of cells performs chemotaxis better than single cells in a noisy environment.
    1. Evolutionary Biology

    Regulated aggregative multicellularity in a close unicellular relative of metazoa

    Arnau Sebé-Pedrós et al.
    The transition to the aggregative stage of Capsaspora owczarzaki, a close unicellular relative to Metazoa, is associated with significant upregulation of orthologs of genes that are important for multicellularity in metazoans.
    1. Cell Biology
    2. Evolutionary Biology

    Evolution of an ancient protein function involved in organized multicellularity in animals

    Douglas P Anderson et al.
    Experimentally reconstructing the evolution of the molecular complex that animals use to orient the mitotic spindle establishes a simple genetic and physical mechanism for the emergence of a function essential for multicellularity.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Genomic innovation of ATD alleviates mistranslation associated with multicellularity in Animalia

    Santosh Kumar Kuncha et al.
    Identification of a two-tier functional redundancy to combat proteostasis imbalance induced due to tRNA expansion and oxidative stress in multicellular animals.
    1. Developmental Biology
    2. Evolutionary Biology

    Complex transcriptional regulation and independent evolution of fungal-like traits in a relative of animals

    Alex de Mendoza et al.
    Functional genomics reveal complex genome regulation during the coenocytic development of the ichthyosporean Creolimax fragrantissima, a protist closely related to animals.
    1. Developmental Biology
    2. Genetics and Genomics

    The rosetteless gene controls development in the choanoflagellate S. rosetta

    Tera C Levin et al.
    The establishment of forward genetics in S. rosetta reveals the first gene known to be required for choanoflagellate multicellular development.
    1. Evolutionary Biology

    Topological constraints in early multicellularity favor reproductive division of labor

    David Yanni et al.
    Mathematical modeling shows that reproductive specialization is strongly favored in sparse networks of cellular interactions that reflect the morphology of early multicellular organisms, even when benefits of specialization are saturating.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Highly regulated, diversifying NTP-dependent biological conflict systems with implications for the emergence of multicellularity

    Gurmeet Kaur et al.
    Multicellular and socially aggregating prokaryotes contain previously undescribed, chaperone-based systems predicted to mediate defensive biological conflicts, several components of which are thematically similar antecedents of eukaryotic apoptosis pathways.
    1. Microbiology and Infectious Disease

    A serine sensor for multicellularity in a bacterium

    Arvind R Subramaniam et al.
    Biofilm formation by Bacillus subtilis relies on a sensing mechanism for the amino acid serine that does not depend on a dedicated protein or RNA.

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