Abstract:
:Pseudomonas savastanoi pv. savastanoi is the causal agent of Olive knot disease, relying on the Type Three Secretion System (TTSS) for its pathogenicity. In this regard, nothing was known about the two other pathovars belonging to this species, pv. nerii and pv. fraxini, characterized by a different host range. Here we report on the organization of the entire TTSS cluster on the three pathovars, and a phylogenetic analysis including the TTSS of those bacteria belonging to the P. syringae complex sequenced so far, highlighting the evolution of each operon (hrpC, hrpJ, hrpRS, hrpU and hrpZ). Moreover, by Real-Time PCR we analyzed the in vitro expression of four main TTSS genes, revealing different activation patterns in the three pathovars, hypothetically related to their diverse virulence behaviors.
journal_name
Genes (Basel)journal_title
Genesauthors
Tegli S,Gori A,Cerboneschi M,Cipriani MG,Sisto Adoi
10.3390/genes2040957subject
Has Abstractpub_date
2011-11-25 00:00:00pages
957-79issue
4issn
2073-4425pii
genes2040957journal_volume
2pub_type
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