Words similar to arsc
Example sentences for: arsc
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The non-enteric γ-Proteobacteria actually appear to be paraphyletic with regards to arsC , in that the two Xanthomonas species group with the α-Proteobacteria, whereas the others form a distinct group with the sole representative of the β-Proteobacteria ( R. solanacearum ). The phylogenetic affiliation of the latter clade is uncertain: ED analysis placed it as a deep branch in the Low GC Gram positive Bacteria group (Figure 2), whereas MP placed it loosely with the large Enterobacteriales/α-Proteobacteria group (Figure 3).
The paraphyletic arsC sequences in the non-enteric γ-Proteobacteria likewise may have arisen from HGT events, although the difficulty in resolving the affiliation of some of these sequences makes speculation about their evolution premature.
A number of taxa do show arsC phylogenies that are inconsistent with the established 16S rRNA evolutionary tree, perhaps the most dramatic being the separation of some of the non-enteric γ-Proteobacteria ( Pseudomonas putida , P. aeruginosa , and A. ferrooxidans ) from the Enterobacteriales.
Despite the potential importance of the arsC gene at both a physiological and environmental level, a thorough study of the phylogenetic distribution of different arsC genes has not been performed.
The Arr2 gene (or ACR2 [ 24 ] ) has been identified as coding for a protein necessary for arsenate resistance in yeast, and appears to have some homology to prokaryotic arsC genes.