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Supercoiling of an excised genomic island represses effector gene expression to prevent activation of host resistance

Abstract:

The plant pathogen Pseudomonas syringae pv. phaseolicola, which causes halo blight disease of beans, contains a 106kb genomic island PPHGI‐1. PPHGI‐1 carries a gene, avrPphB, which encodes an effector protein that triggers a resistance response in certain bean cultivars. Previous studies have shown that when PPHGI‐1 is excised from the bacterial chromosome avrPphB is down regulated and therefore the pathogen avoids triggering the host's defence mechanism. Here we investigate whether the down ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.1111/mmi.14111

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Plant Sciences
Role:
Author
ORCID:
0000-0003-3882-4438
Publisher:
John Wiley and Sons, Inc. Publisher's website
Journal:
Molecular Microbiology Journal website
Volume:
110
Issue:
3
Pages:
444-454
Publication date:
2018-08-28
Acceptance date:
2018-08-22
DOI:
EISSN:
1365-2958
ISSN:
0950-382X
Pubs id:
pubs:911022
URN:
uri:d8a92066-1ee0-48b7-847d-aa53763be7ce
UUID:
uuid:d8a92066-1ee0-48b7-847d-aa53763be7ce
Local pid:
pubs:911022

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