Nondegenerative Evolution in Ancient Heritable Bacterial Endosymbionts of Fungi
نویسندگان
چکیده
منابع مشابه
Molecular evolution in bacterial endosymbionts of fungi.
The prediction that progressive coupling of host and symbiont metabolic and reproductive interests leads to reduced mixing of symbiont lineages has been verified extensively in maternally transmitted bacterial endosymbionts of insects. To test whether this prediction is also applicable to associations of bacteria with fungi, we explored patterns of molecular evolution in two lineages of mutuali...
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Insect heritable symbionts have proven to be ubiquitous, based on molecular screening of various insect lineages. Recently, molecular and experimental approaches have yielded an immensely richer understanding of their diverse biological roles, resulting in a burgeoning research literature. Increasingly, commonalities and intermediates are being discovered between categories of symbionts once co...
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Sequence data from this article have been deposited with the EMBL/GenBank Data Libraries under accession nos. DQ412080–DQ412111. ABSTRACT Although heritable microorganisms are increasingly recognized as widespread in insects, no systematic screens for such symbionts have been conducted in Drosophila species (the primary insect genetic models for studies of evolution, development, and innate imm...
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Molecular phylogenetic studies reveal that many endosymbioses between bacteria and invertebrate hosts result from ancient infections followed by strict vertical transmission within host lineages. Endosymbionts display a distinctive constellation of genetic properties including AT-biased base composition, accelerated sequence evolution, and, at least sometimes, small genome size; these features ...
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ژورنال
عنوان ژورنال: Molecular Biology and Evolution
سال: 2016
ISSN: 0737-4038,1537-1719
DOI: 10.1093/molbev/msw086