Xylella fastidiosa 9a5c: gomesin-treated cells vs. control

ABSTRACT: In the xylem vessels of susceptible hosts, such as citrus trees or grapevines, Xylella fastidiosa forms biofilm like-colonies that can block water transport, which appears to correlate to disease symptoms. Besides helping host colonization, bacterial biofilms play an important role in resistance against antimicrobial agents, for instance antimicrobial peptides (AMP). Here we show that gomesin, a potent AMP from a Brazilian tarantula spider, modulates X. fastidiosa gene expression profile upon 60 min treatment with a sublethal concentration. Data from DNA microarray hybridizations revealed that among the up-regulated coding sequences (CDS), some are related to biofilm production. In addition, we show that the biofilm formed by gomesin-treated bacteria is thicker than that formed by non-trea

ORGANISM(S): Xylella fastidiosa

SUBMITTER: Paulo Zaini 

PROVIDER: E-GEOD-17605 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress