title: Arabidopsis SDIR1 enhances drought tolerance in crop plants.
abstract: Arabidopsis E3 ligase salt- and drought-induced RING-finger 1 (SDIR1) has been found to be involved in abscisic acid (ABA)-related stress signaling. SDIR1-overexpressing Arabidopsis plants exhibit improved tolerance to drought. Tobacco (Nicotiana tabacum) and rice (Oryza sativa) are two important agronomic crop plants. To determine whether SDIR1 enhances drought resistance in crop plants, SDIR1 transgenic tobacco and rice plants were generated. Ectopic expression of SDIR1 in both plants conferred improved drought tolerance ability. These results suggest that SDIR1 can function as a drought-tolerance gene in both dicotyledons and monocotyledons, and that it can serve as a drought-tolerance engineering candidate gene in crop plants.
authors.affiliation: State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen (Zhongshan) University, Guangzhou, China.
authors.forename: Yi-yue
authors.initials: YY
authors.lastname: Zhang
authors.forename: Yin
authors.initials: Y
authors.lastname: Li
authors.forename: Ting
authors.initials: T
authors.lastname: Gao
authors.forename: Hui
authors.initials: H
authors.lastname: Zhu
authors.forename: Dong-jiang
authors.initials: DJ
authors.lastname: Wang
authors.forename: Hua-wei
authors.initials: HW
authors.lastname: Zhang
authors.forename: Yue-se
authors.initials: YS
authors.lastname: Ning
authors.forename: Li-jing
authors.initials: LJ
authors.lastname: Liu
authors.forename: Yao-rong
authors.initials: YR
authors.lastname: Wu
authors.forename: Cheng-cai
authors.initials: CC
authors.lastname: Chu
authors.forename: Hui-shan
authors.initials: HS
authors.lastname: Guo
authors.forename: Qi
authors.initials: Q
authors.lastname: Xie
mesh_terms: D000383:Agriculture; D017360:Arabidopsis / Q000235:genetics / Q000378:metabolism*; D029681:Arabidopsis Proteins / Q000235:genetics / Q000378:metabolism*; D018556:Crops, Agricultural / Q000235:genetics / Q000502:physiology; D004190:Disasters; D012275:Oryza / Q000235:genetics / Q000254:growth & development* / Q000378:metabolism*; D030821:Plants, Genetically Modified; D014026:Nicotiana / Q000235:genetics / Q000254:growth & development* / Q000378:metabolism*; D044767:Ubiquitin-Protein Ligases / Q000235:genetics / Q000378:metabolism*
chemical_list: D029681:Arabidopsis Proteins; C523446:SDIR1 protein, Arabidopsis; D044767:Ubiquitin-Protein Ligases