Journal
MICROBIAL PATHOGENESIS
Volume 85, Issue -, Pages 50-57Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.micpath.2015.06.001
Keywords
Bacterial blight of rice; CoA binding sites; Glycosylation island; Virulence
Categories
Funding
- National Basic Research Program (973) [2011CB100700]
- National High-Technology Research Program (863) [2012AA101504]
- Special Fund for Agro-Scientific Research in the Public Interest of China [201303015]
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Acetyltransferases catalyze an important process for sugar or protein modification. In the genome of Xanthomonas oryzae pv. oryzae (Xoo), the causal agent of bacterial blight of rice, there are 32 acetyltransferase-encoding genes belonging to different families. In this work, we focused on PXO_00987, which encodes a putative acetyltransferase in the flagellar regulon. We found that mutation of PXO_00987 gene abolished the glycosylation of wild-type flagellin protein of Xoo. In addition, the PXO_00987 mutant showed enhanced swimming motility, and decreased exopolysaccharide production and biofilm formation. Virulence assays demonstrated that the PXO_00987 mutant caused shorter disease length on rice leaves, suggesting that the function of PXO_00987 contributes to the pathogenesis of Xoo. (C) 2015 Elsevier Ltd. All rights reserved.
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