Exploring functional contexts of symbiotic sustain within lichen-associated bacteria by comparative omics

Martin Grube, Tomislav Cernava, J. Soh, S. Fuchs, Ines Aschenbrenner, C. Lassek, U Wegener, K Riedel, Christoph Wilhelm Sensen, Gabriele Berg

Research output: Contribution to journalArticle

Abstract

Symbioses represent a frequent and successful lifestyle on earth and lichens are one of their classic examples. Recently, bacterial communities were identified as stable, specific and structurally integrated partners of the lichen symbiosis, but their role has remained largely elusive in comparison to the well-known functions of the fungal and algal partners. We have explored the metabolic potentials of the microbiome using the lung lichen Lobaria pulmonaria as the model. Metagenomic and proteomic data were comparatively assessed and visualized by Voronoi treemaps. The study was complemented with molecular, microscopic and physiological assays. We have found that more than 800 bacterial species have the ability to contribute multiple aspects to the symbiotic system, including essential functions such as (i) nutrient supply, especially nitrogen, phosphorous and sulfur,(ii) resistance against biotic stress …
Original languageEnglish
Pages (from-to)412-424
JournalThe ISME Journal
Volume9
Issue number2
DOIs
Publication statusPublished - 2015

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