The ybiT gene of Erwinia chrysanthemi codes for a putative ABC transporter and is involved in competitiveness against endophytic bacteria during infection.

Applied and Environmental Microbiology
Arancha Llama-PalaciosPablo Rodríguez-Palenzuela

Abstract

We investigated the role in bacterial infection of a putative ABC transporter, designated ybiT, of Erwinia chrysanthemi AC4150. The deduced sequence of this gene showed amino acid sequence similarity with other putative ABC transporters of gram-negative bacteria, such as Escherichia coli and Pseudomonas aeruginosa, as well as structural similarity with proteins of Streptomyces spp. involved in resistance to macrolide antibiotics. The gene contiguous to ybiT, designated as pab (putative antibiotic biosynthesis) showed sequence similarity with Pseudomonas and Streptomyces genes involved in the biosynthesis of antibiotics. A ybiT mutant (BT117) was constructed by marker exchange. It retained full virulence in potato tubers and chicory leaves, but it showed reduced ability to compete in planta against the wild-type strain or against selected saprophytic bacteria. These results indicate that the ybiT gene plays a role in the in planta fitness of the bacteria.

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Citations

Mar 1, 2012·The Journal of Microbiology·Hyosun Cho, Hyojeung Kang
Jan 1, 2003·Molecular Plant Pathology·Ian K TothPaul R J Birch
Feb 10, 2004·Applied and Environmental Microbiology·Antje BurseMatthias S Ullrich
May 6, 2003·Annual Review of Phytopathology·Brion DuffyJos M Raaijmakers
Aug 31, 2011·PloS One·Maria del Pilar Marquez-VillavicencioAmy O Charkowski
Jun 19, 2012·Annual Review of Phytopathology·Amy CharkowskiIris Yedidia
Jan 23, 2014·Environmental Microbiology·Guillermo García-LeónJosé Luis Martínez
Feb 12, 2009·FEMS Microbiology Reviews·Jose Luis MartinezCarolina Alvarez-Ortega
Jun 16, 2015·Frontiers in Plant Science·Jay Ram Lamichhane, Vittorio Venturi
Sep 30, 2016·Microorganisms·Paula BlancoJose Luis Martinez
Jul 27, 2014·Applied and Environmental Microbiology·Helena Pětrošová, Mathieu Picardeau

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