文献类型: 外文期刊
作者: Yin, Yan-Xu 1 ; Wang, Shu-Bin 2 ; Zhang, Huai-Xia 1 ; Xiao, Huai-Juan 1 ; Jin, Jing-Hao 1 ; Ji, Jiao-Jiao 1 ; Jing, Hu 1 ;
作者机构: 1.Northwest A&F Univ, Coll Hort, Yangling 712100, Shaanxi, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Vegetable Crops, Nanjing 210014, Jiangsu, Peoples R China
3.Zagazig Univ, Fac Agr, Dept Hort, Zagazig 44511, Egypt
关键词: Capsicum annuum L.;CaPIP1-1;Gene expression;Abiotic stresses;Biotic stress
期刊名称:GENE ( 影响因子:3.688; 五年影响因子:3.329 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Plant aquaporins are responsible for water transmembrane transport, which play an important role on abiotic and biotic stresses. A novel plasma membrane intrinsic protein of CaPIP1-1 was isolated from the pepper P70 according to transcriptome databases of Phytophthora capsici inoculation and chilling stress library. CaPIP1-1, which is 1155 bp in length with an open reading frame of 861 bp, encoded 286 amino acids. Three introns, exhibited CT/AC splice junctions, were observed in CaPIP1-1. The numbers and location of introns in CaPIP1-1 were the same as observed in tomato and potato. CaPIP1-1 was abundantly expressed in pepper fruit. Increased transcription levels of CaPIP1-1 were found in the different stresses, including chilling stress, salt stress, mannitol stress, salicylic acid, ABA treatment and Phytophthora capsici infection. The expression of CaPIP1-1 was downregulated by 50 mu M HgCl and 100 mu M fluridone. The pepper plants silenced CaPIP1-1 in cv. Qiemen showed growth inhibition and decreased tolerance to salt and mannitol stresses using detached leaf method. (C) 2015 Elsevier B.V. All rights reserved.
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