Analysis of the Peltigera membranacea metagenome indicates that lichen-associated bacteria are involved in phosphate solubilization

Microbiology
Margrét Auður SigurbjörnsdóttirOddur Vilhelmsson

Abstract

Although lichens are generally described as mutualistic symbioses of fungi and photosynthetic partners, they also harbour a diverse non-phototrophic microbiota, which is now regarded as a significant part of the symbiosis. However, the role of the non-phototrophic microbiota within the lichen is still poorly known, although possible functions have been suggested, including phosphate solubilization and various lytic activities. In the present study we focus on the bacterial biota associated with the foliose lichen Peltigera membranacea. To address our hypotheses on possible roles of the non-phototrophic microbiota, we used a metagenomic approach. A DNA library of bacterial sequence contigs was constructed from the lichen thallus material and the bacterial microbiota DNA sequence was analysed in terms of phylogenetic diversity and functional gene composition. Analysis of about 30,000 such bacterial contigs from the P. membranacea metagenome revealed significant representation of several genes involved in phosphate solubilization and biopolymer degradation.

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May 8, 2014·Canadian Journal of Microbiology·Margrét Auður SigurbjörnsdóttirOddur Vilhelmsson
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Citations

Jan 26, 2016·Molecular Plant Pathology·Oddur VilhelmssonMonica Höfte
Nov 10, 2015·Applied Microbiology and Biotechnology·Marcelino T SuzukiSophie Tomasi
Dec 15, 2015·Biotechnology Advances·Rishiram RamananHee-Sik Kim
Mar 5, 2016·World Journal of Microbiology & Biotechnology·M Auður SigurbjörnsdóttirOddur Vilhelmsson
May 3, 2016·Journal of Phycology·Esther Berrendero GómezKateřina Čapková
Aug 11, 2016·FEMS Microbiology Ecology·Lucia MuggiaMats Wedin
Mar 6, 2018·FEMS Microbiology Ecology·Nathan A M ChrismasPatricia Sánchez-Baracaldo
Oct 26, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Katerin AlmendrasJulieta Orlando
Dec 18, 2018·Frontiers in Microbiology·Tomislav CernavaGabriele Berg

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