Dataset Information

Draft Genome Sequences of Three Strains of Pseudomonas syringae pv. eriobotryae, a Pathogen Causing Canker Disease in Loquat, Isolated in Japan.

ABSTRACT: The phytopathogenic bacterium Pseudomonas syringae pv. eriobotryae causes canker disease in loquat. Isolates from Japan are classified into three groups based on pathogenicity and pigment production. In this study, we report the draft genome sequences of three strains, one belonging to each of the three groups.

SUBMITTER: Tashiro H

PROVIDER: S-EPMC8407758 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Draft Genome Sequences of Three Strains of Pseudomonas syringae pv. eriobotryae, a Pathogen Causing Canker Disease in Loquat, Isolated in Japan.

Tashiro Hiroaki H Nagano Yukio Y Jiromaru Ayaka A Sakaguchi Ryunosuke R Hiehata Naofumi N Fukuda Shinji S

Microbiology resource announcements 20210107 1

The phytopathogenic bacterium <i>Pseudomonas syringae</i> pv. eriobotryae causes canker disease in loquat. Isolates from Japan are classified into three groups based on pathogenicity and pigment production. In this study, we report the draft genome sequences of three strains, one belonging to each of the three groups. ...[more]

PMID: 33414289

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Project description:Mobile genetic elements are widespread in Pseudomonas syringae, and often associate with virulence genes. Genome reannotation of the model bean pathogen P. syringae pv. phaseolicola 1448A identified seventeen types of insertion sequences and two miniature inverted-repeat transposable elements (MITEs) with a biased distribution, representing 2.8% of the chromosome, 25.8% of the 132-kb virulence plasmid and 2.7% of the 52-kb plasmid. Employing an entrapment vector containing sacB, we estimated that transposition frequency oscillated between 2.6×10(-5) and 1.1×10(-6), depending on the clone, although it was stable for each clone after consecutive transfers in culture media. Transposition frequency was similar for bacteria grown in rich or minimal media, and from cells recovered from compatible and incompatible plant hosts, indicating that growth conditions do not influence transposition in strain 1448A. Most of the entrapped insertions contained a full-length IS801 element, with the remaining insertions corresponding to sequences smaller than any transposable element identified in strain 1448A, and collectively identified as miniature sequences. From these, fragments of 229, 360 and 679-nt of the right end of IS801 ended in a consensus tetranucleotide and likely resulted from one-ended transposition of IS801. An average 0.7% of the insertions analyzed consisted of IS801 carrying a fragment of variable size from gene PSPPH_0008/PSPPH_0017, showing that IS801 can mobilize DNA in vivo. Retrospective analysis of complete plasmids and genomes of P. syringae suggests, however, that most fragments of IS801 are likely the result of reorganizations rather than one-ended transpositions, and that this element might preferentially contribute to genome flexibility by generating homologous regions of recombination. A further miniature sequence previously found to affect host range specificity and virulence, designated MITEPsy1 (100-nt), represented an average 2.4% of the total number of insertions entrapped in sacB, demonstrating for the first time the mobilization of a MITE in bacteria.

Dataset Information

Draft Genome Sequences of Three Strains of Pseudomonas syringae pv. eriobotryae, a Pathogen Causing Canker Disease in Loquat, Isolated in Japan.

Publications

Draft Genome Sequences of Three Strains of Pseudomonas syringae pv. eriobotryae, a Pathogen Causing Canker Disease in Loquat, Isolated in Japan.

Similar Datasets

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