Chuck Pepe-Ranney added results_p7.tex  over 9 years ago

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\textit{Verrucomicrobia}, a cosmopolitan soil phylum often found in high  abundance \citep{Fierer_2013}, are hypthothesized to degrade polysaccharides in  many environments \citep{Fierer_2013,Herlemann_2013,10543821}.  \textit{Verrucomicrobia} comprise 16\% of the total $^{13}$C-cellulose  responder OTUs detected. 40\% of \textit{Verrucomicrobia} $^{13}$C-cellulose  responders belong to the uncultured ``FukuN18'' family originally identified in  freshwater lakes \citep{Parveen_2013}. The \textit{Verrucomicrobia} OTU with  the strongest \textit{Verrucomicrobial} response to $^{13}$C-cellulose shared  high sequence identity (97\%) with an isolate from Norway tundra soil  \citep{Jiang_2011} although growth on cellulose was not assessed for this  isolate. Only one other $^{13}$C-cellulose responding verrucomicrobium shared  high DNA sequence identity with a sequenced type strain, ``OTU.638''  (Table~\ref{tab:cell}) with \textit{Roseimicrobium gellanilyticum} (100\%  sequence identity). \textit{Roseimicrobium gellanilyticum} grows on soluble  cellulose \citep{Otsuka_2012}. The remaining $^{13}$C-cellulose  \textit{Verrucomicrobia} responders did not share high sequence identity with  any cultured isolates (maximum sequence identity with any cultured isolate  93\%).