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Refined annotation of the complete genome of the phytopathogenic and xanthan producing Xanthomonas campestris pv. campestris strain B100 based on RNA sequence data

, , , , , , , , и .
Journal of Biotechnology, (2017)
DOI: https://doi.org/10.1016/j.jbiotec.2017.05.009

Аннотация

Bioinformatics tools and gene expression data were applied to identify new genes and to enhance the accuracy in genomic feature predictions for Xanthomonas campestris pv. campestris (Xcc) B100, a pathogen of cruciferous plants and model strain for the biosynthesis of xanthan, a polysaccharide with a multitude of commercial applications as a thickening agent. Results from 5′-enriched end RNA sequencing (RNA-seq) and total transcriptome RNA-seq experiments were used for this purpose. Functional gene annotations were updated where new evidence had emerged and start codon predictions were enhanced for 153 protein-coding genes (CDS). In total, 32 novel CDS, and 176 novel RNA genes and features were predicted, among them 77 isogenes of the small non-coding RNA sX9. Furthermore, the RNA-seq data facilitated the identification of 848 operons that included a total of 2551 CDS besides 1667 CDS that were mono-cistronically expressed.

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