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Full-Text Articles in Life Sciences

Developing Inside A Layer Of Germs—A Potential Role For Multiciliated Surface Cells In Vertebrate Embryos, Ryan R. Kerney Oct 2021

Developing Inside A Layer Of Germs—A Potential Role For Multiciliated Surface Cells In Vertebrate Embryos, Ryan R. Kerney

Biology Faculty Publications

This paper reviews current research on the microbial life that surrounds vertebrate embryos. Several clades are believed to develop inside sterile—or near-sterile—embryonic microhabitats, while others thrive within a veritable zoo of microbial life. The occurrence of embryo-associated microbes in some groups, but not others, is an under-appreciated transition (possibly transitions) in vertebrate evolution. A lack of comparable studies makes it currently impossible to correlate embryo-associated microbiomes with other aspects of vertebrate evolution. However, there are embryonic features that should instruct a more targeted survey. This paper concludes with a hypothesis for the role of multiciliated surface cells in amphibian and …


Comparative Microbiome Analysis Of The Funfus Gardening Ant Species Trachymyrmex Arizonensis, Chase D. Rowan Aug 2021

Comparative Microbiome Analysis Of The Funfus Gardening Ant Species Trachymyrmex Arizonensis, Chase D. Rowan

Biology Theses

Fungus-growing ants (Attini: Formicidae) and their fungal cultivars participate in ant-fungus mutualism that share a 50-million-year-old coevolutionary history. Fungal cultures are grown in gardens alongside ants and a diverse collection of microbes that interact with both species in mutualistic, commensal, and antagonistic relationships. These microbes aid in digestion and detoxification of food, provide essential nutrients, help in nest hygiene, and play a dominant role in defense against pathogens and disease. Microbial communities of many model species have been shown to change in a laboratory setting as compared to their natural environment. High-throughput 16s sequencing of the V4 variable region was …