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Author Liu X., Wen-Jing Cai, Yin X., Yang D., Dong T., Yu-Qi Feng, Wu Y.
Title Two dioxygenases, slc1 and SLC2, play essential roles in shoot development of rice.
Abstract:
The critical functions of 2-oxoglutarate-dependent dioxygenase (2OGD) for the metabolism of salicylic acid (SA) in plants have been demonstrated, yet, the role of 2OGD in SA biosynthesis is poorly understood. Here, we report that two dioxygenase-encoding genes, slc1 (slender and crinklyleaf 1) and SLC2 (slender and crinklyleaf 2), play essential roles in shoot development and SA production in rice (Oryza sativa). Overexpression of slc1 (slc1-OE) or SLC2 (SLC2-OE) in rice produced bizarre infertile plants with slender and crinkly leaves. Disruption of slc1 or SLC2 led to dwarf plants. Down-regulation of slc1 and SLC2 at the same time in the slc1-SLC2 RNAi lines resulted in a severe defect in early leaf development. Enhanced SA level in the slc1-OE plants and decreased SA level in the slc1 and SLC2 mutants were scored. Accordingly, altered expression level of a set of SA-related genes in plants of slc1-OE, slc1 and SLC2 mutants was observed. The results from exploring the putative interacting proteins for slc1 indicated that, either the KNOX1- or ELK-domain of OSH1 (homeobox1) is sufficient for accomplishing the interaction between slc1 and OSH1. Collectively, our data revealed the importance of slc1 and SLC2 in the shoot development of rice.
Journal J. Exp. Bot.
Country China
Volume
Pages
Year 2019
PubMed ID 31701152
PubMed Central ID -
DOI 10.1093/jxb/erz501
URL -
Relation
Gene OSH1 OSH15 OSH6 PR1A PR1B PR5 SLC1 SLC2 _
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