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Author Ke Y., Yuan M., Liu H., Hui S., Qin X., Chen J., Zhang Q., Li X., Xiao J., Zhang Q., Wang S.
Title The versatile functions of OsALDH2B1 provide a genic basis for growth-defense trade-offs in rice.
Abstract:
In plants, enhanced defense often compromises growth and development, which is regarded as trade-offs between growth and defense. Here we identified a gene, <i>OsALDH2B1</i>, that functions as a master regulator of the growth-defense trade-off in rice. OsALDH2B1 has its primary function as an aldehyde dehydrogenase and a moonlight function as a transcriptional regulator. Loss of function of <i>OsALDH2B1</i> greatly enhanced resistance to broad-spectrum pathogens, including fungal blast, bacterial leaf blight, and leaf streak, but caused severe phenotypic changes such as male sterility and reduced plant size, grain size, and number. We showed that its primary function as a mitochondrial aldehyde dehydrogenase conditions male fertility. Its moonlight function of transcriptional regulation, featuring both repressing and activating activities, regulates a diverse range of biological processes involving brassinolide, G protein, jasmonic acid, and salicylic acid signaling pathways. Such regulations cause large impacts on the morphology and immunity of rice plants. The versatile functions of OsALDH2B1 provide an example of the genic basis of growth-defense trade-offs in plants.
Journal Proc. Natl. Acad. Sci. U.S.A.
Country China
Volume 117(7)
Pages 3867-3873
Year 2020
PubMed ID 32024752
PubMed Central ID 7035479
DOI 10.1073/pnas.1918994117
URL -
Relation
Gene LIC ALDH2B1 AOS2 BRD1 BZR1 D11 DWARF4 LK3 PR1A TIFY10C
INSD -
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain 		-
Stages in Each Organ
- Muant Lines (Gene) 		-
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -
/rice/oryzabase