Title: Diversity and host range of Pseudomonas in fruit tree species in Latvia
Authors : Konavko, Dmitrijs
Malchev, Svetoslav
Pothier, Joël F.
Jundzis, Māris
Moročko-Bičevska, Inga
Rezzonico, Fabio
Published in : Acta horticulturae
Volume(Issue) : 1149
Pages : 25
Pages to: 30
Publisher / Ed. Institution : International Society for Horticultural Science
Issue Date: 2016
Language : Englisch / English
Subjects : Stone fruits; Pseudomonas; Bacteriosis
Subject (DDC) : 570: Biologie
Abstract: Pseudomonas syringae is an important bacterial pathogen causing significant damage to a wide variety of plant species worldwide. Recently, P. syringae has become an increasing threat to Latvian fruit production. Bacterial isolates were recovered from diseased fruit trees in Latvia with the aim of evaluating their genetic diversity, assess the range of pathogenic Pseudomonas species that are currently present in the country, and understand their potential threat for economically relevant plant species. A collection of 207 Latvian isolates was preliminarily screened using a rapid fingerprinting approach based on Intact-Cell MALDI-TOF MS. Analysis of rpoD gene sequences then revealed an overall wide genetic diversity even among bacteria isolated from the same host. Most isolates were found to cluster within the P. syringae species complex or in the Pseudomonas graminis subgroup. Representative strains of these clades were selected for pathogenicity tests on different plant species to assess their actual host range.
Departement: Life Sciences und Facility Management
Organisational Unit: Institut für Umwelt und Natürliche Ressourcen (IUNR)
Publication type: Beitrag in wissenschaftlicher Zeitschrift / Article in scientific Journal
DOI : 10.17660/ActaHortic.2016.1149.5
ISSN: 0567-7572
URI: https://digitalcollection.zhaw.ch/handle/11475/1685
Appears in Collections:Publikationen Life Sciences und Facility Management

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