文献类型: 外文期刊
作者: Liu, Hui 1 ; Liu, Jian 2 ; Wei, Yongxuan 3 ;
作者机构: 1.Chinese Acad Trop Agr Sci, Rubber Res Inst, Minist Agr, Key Lab Biol & Genet Resources Rubber Tree, Danzhou 571737, Peoples R China
2.Hainan Univ, Coll Foreign Languages, Haikou 570228, Peoples R China
3.Hainan Univ, Coll Agr, Haikou 570228, Peoples R China
关键词: Tomato;Metacaspase;Gene expression;Abiotic stress;Programmed cell death
期刊名称:BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS ( 影响因子:3.575; 五年影响因子:3.381 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Metacaspases play critical roles in developmentally regulated and environmentally induced programmed cell death in plants. In this study, we systematically identified and analyzed metacaspase gene family in tomato (Solanum lycopersicum). The results illustrated that tomato possesses eight metacaspase genes (SlMC1-8) located on chromosomes 1, 3, 5, 9, and 10. SlMC1-6 belonged to type I metacaspases and had 5 exon/4 intron structures. SIMC7 and 8 were type II metacaspases and had 2 and 3 exons, respectively. Expression analysis revealed distinct expression patterns of SlMCs in various tomato tissues. Cis-regulatory element prediction showed that there were many hormone- and stress-related cis-regulatory elements in SlMCs promoter regions. Quantitative real-time PCR analysis further demonstrated that most of the SlMCs were regulated by drought, cold, salt, methyl viologen, and ethephon treatments. This study provides insights into the characteristics of SlMC genes and laid the foundation for further functional analysis of these genes in tomato. (C) 2016 Elsevier Inc. All rights reserved.
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