Molecular Cloning and Characterization of the PsbP Domain Protein 1 Gene (GhPPD1) in Cotton (Gossypium hirsutum L.)
文献类型: 外文期刊
第一作者: Zhou, Tao
作者: Zhou, Tao;Zhang, Rui;Ren, Maozhi;Zhang, Shasha;Lin, Qin;Guo, Sandui
作者机构:
关键词: Characterization;Clone;Cotton;PsbP domain protein;GhPPD1
期刊名称:PLANT MOLECULAR BIOLOGY REPORTER ( 影响因子:1.595; 五年影响因子:2.042 )
ISSN:
年卷期:
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收录情况: SCI
摘要: As a member of the PsbP superfamily in plants, the PsbP protein is essential for the water splitting reaction in photosynthesis. PsbP-like proteins (PPLs) are required for the repair of photodamaged photosystem II (PSII) under high-intensity light and the accumulation of chloroplast NADPH dehydrogenase (NDH). However, to date, studies on PsbP domain proteins (PPDs) are rather limited with literature reported on only PPD5 and PPD6. Other PPDs have not been studied yet. In this study, a cotton PsbP domain protein 1 gene (GhPPD1, GenBank accession no. HQ404251) encoding the PPD1 protein was cloned by rapid amplification of complementary DNA (cDNA) ends-polymerase chain reaction. The full-length cDNA is 951 bp and encodes an open reading frame of 257 amino acids with deduced molecular weight of 29 kDa. The GhPPD1 protein shared 77-86 % identity at the amino acid level with PPD1 isolated from Populus trichocarpa, Ricinus communis, Vitis vinifera, Glycine max, and Arabidopsis thaliana. The corresponding genomic DNA containing three exons and two introns was isolated and analyzed. The 5' flanking region was also analyzed to identify a group of putative cis-acting elements. DNA gel blot analysis revealed that the GhPPD1 gene has two to five copies in the cotton genome. Additionally, real-time PCR analysis revealed that GhPPD1 was expressed in cotton leaves, anthers, and stems, and its expression level in leaves was much higher than those in anthers and stems. It was minimally expressed in other tissues. On the basis of these results, we propose that GhPPD1 is not only associated with photosynthesis but also related to pollen activity and male fertility.
分类号: 58.845
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