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青杄中sPPa1的cDNA序列克隆及其生物信息学分析

曹一博, 刘亚静, 张凌云

曹一博, 刘亚静, 张凌云. 青杄中sPPa1的cDNA序列克隆及其生物信息学分析[J]. 植物科学学报, 2012, 30(4): 394-401. DOI: 10.3724/SP.J.1142.2012.40394
引用本文: 曹一博, 刘亚静, 张凌云. 青杄中sPPa1的cDNA序列克隆及其生物信息学分析[J]. 植物科学学报, 2012, 30(4): 394-401. DOI: 10.3724/SP.J.1142.2012.40394
CAO Yi-Bo, LIU Ya-Jing, ZHANG Ling-Yun. cDNA Cloning and Bioinformatic Analysis of the sPPa1 Gene from Picea wilsonii[J]. Plant Science Journal, 2012, 30(4): 394-401. DOI: 10.3724/SP.J.1142.2012.40394
Citation: CAO Yi-Bo, LIU Ya-Jing, ZHANG Ling-Yun. cDNA Cloning and Bioinformatic Analysis of the sPPa1 Gene from Picea wilsonii[J]. Plant Science Journal, 2012, 30(4): 394-401. DOI: 10.3724/SP.J.1142.2012.40394
曹一博, 刘亚静, 张凌云. 青杄中sPPa1的cDNA序列克隆及其生物信息学分析[J]. 植物科学学报, 2012, 30(4): 394-401. CSTR: 32231.14.SP.J.1142.2012.40394
引用本文: 曹一博, 刘亚静, 张凌云. 青杄中sPPa1的cDNA序列克隆及其生物信息学分析[J]. 植物科学学报, 2012, 30(4): 394-401. CSTR: 32231.14.SP.J.1142.2012.40394
CAO Yi-Bo, LIU Ya-Jing, ZHANG Ling-Yun. cDNA Cloning and Bioinformatic Analysis of the sPPa1 Gene from Picea wilsonii[J]. Plant Science Journal, 2012, 30(4): 394-401. CSTR: 32231.14.SP.J.1142.2012.40394
Citation: CAO Yi-Bo, LIU Ya-Jing, ZHANG Ling-Yun. cDNA Cloning and Bioinformatic Analysis of the sPPa1 Gene from Picea wilsonii[J]. Plant Science Journal, 2012, 30(4): 394-401. CSTR: 32231.14.SP.J.1142.2012.40394

青杄中sPPa1的cDNA序列克隆及其生物信息学分析

基金项目: 国家转基因生物新品种培育科技重大专项(2009ZX08009-062B)。
详细信息
    通讯作者:

    张凌云, E-mail: lyzhang73@sohu.com

  • 中图分类号: Q78; Q949.66+5

cDNA Cloning and Bioinformatic Analysis of the sPPa1 Gene from Picea wilsonii

  • 摘要: 以青杄(Picea wilsonii)均一化cDNA文库为模板,通过RACE方法克隆得到青杄PPa1基因cDNA全长,对该cDNA序列、核苷酸序列的相似性、理化性质、疏水性、二级结构、三级结构及是否跨膜进行了分析预测;进行了多序列比对并构建了系统树,同时对PPa1在青杄各组织中的表达量进行了检测。结果表明:青杄PPa1基因共由216个氨基酸组成,分子量为24.55 kD,理论PI为5.83,属可溶性蛋白;二级结构主要由α-螺旋、不规则卷曲和β-折叠构成;PPa1在青杄花粉中表达量最高。研究为进一步研究青杄PPa1的功能奠定了基础。
    Abstract: The full-length cDNA sequence of the PPa1 gene was obtained by the RACE method based on the cDNA library of Picea wilsonii.Bioinformatic analysis was used to predict the physicochemical properties,hydrophobicity,secondary structure,and tertiary structure of PwPPa1.Multiple sequences alignment and phylogenetic trees were also constructed to predict the conserved domain and genetic relationship with other species.The RT-qPCR assays were used to identify the tissue expression level of PPa1 in Picea wilsonii.The results showed that PwPPa1 consisted of 216 amino acids.The molecular weight was 24.55 kD and theoretical PI was 5.83.The PPa1 was a hydrophilic protein and the secondary structure of PPa1 was mainly composed of alpha helix,random coil,and extended strand.The expression level of PPa1 was highest in the pollen.This research provides the foundation for further studies on the functions of PwPPa1.
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出版历程
  • 收稿日期:  2012-02-23
  • 修回日期:  2012-05-20
  • 发布日期:  2012-08-29

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