New insights into bsr-d1-mediated broad-spectrum resistance to rice blast.
Magnaporthe oryzae
hydrogen peroxide (H2O2)
peroxidase
resistance
rice blast
salicylic acid
transcriptome analysis
Journal
Molecular plant pathology
ISSN: 1364-3703
Titre abrégé: Mol Plant Pathol
Pays: England
ID NLM: 100954969
Informations de publication
Date de publication:
07 2020
07 2020
Historique:
received:
06
08
2019
revised:
15
03
2020
accepted:
09
04
2020
pubmed:
13
5
2020
medline:
16
4
2021
entrez:
13
5
2020
Statut:
ppublish
Résumé
bsr-d1, an allele encoding a transcription factor identified from the rice cultivar Digu, confers durable, broad-spectrum resistance to infections by strains of Magnaporthe oryzae. bsr-d1 was predicted to inhibit M. oryzae-induced expression of Bsr-d1 RNA and degradation of hydrogen peroxide to achieve resistance to M. oryzae. However, the global effect of biological process and molecular function on blast resistance mediated by Bsr-d1 remains unknown. In this study, we compared transcriptomic profiling between Bsr-d1 knockout (Bsr-d1KO) lines and the wild type, TP309. Our study revealed that bsr-d1 mainly regulates the redox state of plant cells, but also affects amino acid and unsaturated fatty acid metabolism. We further found that BSR-D1 indirectly regulates salicylic acid biosynthesis, metabolism, and signal transduction downstream of the activation of H
Identifiants
pubmed: 32394633
doi: 10.1111/mpp.12941
pmc: PMC7280026
doi:
Substances chimiques
Plant Proteins
0
Transcription Factors
0
Peroxidase
EC 1.11.1.7
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
951-960Informations de copyright
© 2020 The Authors. Molecular Plant Pathology published by British Society for Plant Pathology and John Wiley & Sons Ltd.
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