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Assessing adhesion forces of type I and type IV pili of Xylella fastidiosa bacteria by use of a microfluidic flow chamber
Xylella fastidiosa, a bacterium responsible for Pierce's disease in grapevines, possesses both type I and type IV pili at the same cell pole. Type IV pili facilitate twitching motility, and type I ...
Autoaggregation of Xylella fastidiosa cells is influenced by type I and type IV pili
Autoaggregation of widely dispersed Xylella fastidiosa cells into compact cell masses occurred over a period of hours following 7 to 11 days of growth in microfluidic chambers. Studies involving th...
Characterization of the Xylella fastidiosa PD1671 Gene Encoding Degenerate c-di-GMP GGDEF/EAL Domains, and Its Role in the Development of Pierce's Disease
Xylella fastidiosa is an important phytopathogenic bacterium that causes many serious plant diseases including Pierce's disease of grapevines. X. fastidiosa is thought to induce disease by colonizi...
Grape Cultivar and Sap Culture Conditions Affect the Development of Xylella fastidiosa Phenotypes Associated with Pierce's Disease
Xylella fastidiosa is a xylem-limited bacterium in plant hosts and causes Pierce's disease (PD) of grapevines, which differ in susceptibility according to the Vitis species (spp.). In this work we ...
Grapevine xylem sap enhances biofilm development by Xylella fastidiosa
Xylella fastidiosa is able to form biofilms within xylem vessels of many, economically important crops. Vessel blockage is believed to be a major contributor to disease development caused by this b...
Mutations in type I and type IV pilus biosynthetic genes affect twitching motility rates in Xylella fastidiosa
Xylella fastidiosa possesses both type I and type IV pilli at the same cell pole. By use of a microfluidic device, the speed of twitching movement by wild-type cells on a glass surface against the ...
Twitching motility and biofilm formation are associated with tonB1 in Xylella fastidiosa
A mutation in the Xylella fastidiosa tonB1 gene resulted in loss of twitching motility and in significantly less biofilm formation as compared with a wild type. The altered motility and biofilm phe...
Type I and type IV pili of Xylella fastidiosa affect twitching motility, biofilm formation and cell-cell aggregation
Xylella fastidiosa, an important phytopathogenic bacterium, causes serious plant diseases including Pierce's disease of grapevine. It is reported here that type I and type IV pili of X fastidiosa p...