A pair of PCR primers was designed based on the conserved sequences of WD40 family gene of different varieties.The normolization library was screened by PCR methods,the cDNA insert size of positive clones were analyze...A pair of PCR primers was designed based on the conserved sequences of WD40 family gene of different varieties.The normolization library was screened by PCR methods,the cDNA insert size of positive clones were analyzed by PCR method.A full-length cDNA of WD40(GenBank accession number:EU219610)in cotton was obtained from sequencing.This gene is 1 796 bp in length,containing an open reading frame encoding 274 amino acids and a stop codon from 35th to 860th position.The bioinformatics characterization indicates that the protein is encoded by WD40 domain.pI and molecular weight of the protein encoded were predicted to be 4.24 and 29 kDa,respectively.The yielded gene was accondingly named as GDRP1.RT-PCR analysis showed that the expression of GDRP1 varied during the gland formation process.These results will be helpful for our further study on the gland formation of cotton.展开更多
目的分析和预测亚洲牛带绦虫WD40基因及其编码蛋白的结构和特性,用于指导其生物学功能的实验研究。方法利用美国国家生物技术信息中心(NCBI,http://www.ncbi.nlm.nih.gov/)、瑞士生物信息学研究所的蛋白分析专家系统(ExPASY,http://ca.e...目的分析和预测亚洲牛带绦虫WD40基因及其编码蛋白的结构和特性,用于指导其生物学功能的实验研究。方法利用美国国家生物技术信息中心(NCBI,http://www.ncbi.nlm.nih.gov/)、瑞士生物信息学研究所的蛋白分析专家系统(ExPASY,http://ca.expasy.org/)和IEDB Analysis Recource提供的各种生物信息学在线分析程序,结合其它生物信息学分析软件包如Pcgene和Vector NTI suite,从亚洲牛带绦虫全长cDNA质粒文库中识别WD40基因及其编码区,分析、预测该基因编码的蛋白质的理化特性、翻译后的修饰位点、功能域、亚细胞定位、拓扑结构、二级结构、三维空间构象等。结果该基因全长1208bp,编码区为81～1056bp,编码402个氨基酸,为全长基因;无跨膜区,具有多个磷酸化位点,蛋白的理化性质稳定,理论分子量为35942.4;没有质体、线粒体定位序列;预测该蛋白表面有三个亲水性强的线性表位和三个B细胞抗原表位。结论应用生物信息方法从亚洲牛带绦虫成虫cDNA文库中识别出了亚洲牛带绦虫WD40基因,并对其所编码的蛋白质的结构与功能进行了预测。展开更多
Plant growth and crop productivity are severely affected by abiotic stress on a global scale.WD40 repeat-containing proteins play a significant role in the development and environmental adaptation of eukaryotes.In thi...Plant growth and crop productivity are severely affected by abiotic stress on a global scale.WD40 repeat-containing proteins play a significant role in the development and environmental adaptation of eukaryotes.In this study,OsABT,a stress response gene,was cloned from rice(Oryza sativa L.cv.Nipponbare).OsABT encodes a protein containing seven WD40 domains.Expression analysis revealed that the OsABT gene was first up-regulated and then down-regulated following treatment with abscisic acid(ABA)and NaCl,but was down-regulated when treated with PEG8000.Subcellular localization results showed that OsABT was located in the cytoplasm and nucleus of Arabidopsis roots.OsABT transgenic Arabidopsis showed significantly increased tolerance to ABA and salt stress during plant seedling development.However,the transgenic lines were more sensitive to drought stress.Moreover,OsABT can interact with OsABI2,a component of ABA signaling pathway.These results showed that OsABT plays a positive regulatory role in response to salt stress and a negative role in response to drought stress in Arabidopsis.展开更多
基金Supported by National Natural Science Foundation of China(3044003230771311)Natural Science Foundation of Chongqing(cstc2007BB1328)~~
文摘A pair of PCR primers was designed based on the conserved sequences of WD40 family gene of different varieties.The normolization library was screened by PCR methods,the cDNA insert size of positive clones were analyzed by PCR method.A full-length cDNA of WD40(GenBank accession number:EU219610)in cotton was obtained from sequencing.This gene is 1 796 bp in length,containing an open reading frame encoding 274 amino acids and a stop codon from 35th to 860th position.The bioinformatics characterization indicates that the protein is encoded by WD40 domain.pI and molecular weight of the protein encoded were predicted to be 4.24 and 29 kDa,respectively.The yielded gene was accondingly named as GDRP1.RT-PCR analysis showed that the expression of GDRP1 varied during the gland formation process.These results will be helpful for our further study on the gland formation of cotton.
文摘目的分析和预测亚洲牛带绦虫WD40基因及其编码蛋白的结构和特性,用于指导其生物学功能的实验研究。方法利用美国国家生物技术信息中心(NCBI,http://www.ncbi.nlm.nih.gov/)、瑞士生物信息学研究所的蛋白分析专家系统(ExPASY,http://ca.expasy.org/)和IEDB Analysis Recource提供的各种生物信息学在线分析程序,结合其它生物信息学分析软件包如Pcgene和Vector NTI suite,从亚洲牛带绦虫全长cDNA质粒文库中识别WD40基因及其编码区,分析、预测该基因编码的蛋白质的理化特性、翻译后的修饰位点、功能域、亚细胞定位、拓扑结构、二级结构、三维空间构象等。结果该基因全长1208bp,编码区为81～1056bp,编码402个氨基酸,为全长基因;无跨膜区,具有多个磷酸化位点,蛋白的理化性质稳定,理论分子量为35942.4;没有质体、线粒体定位序列;预测该蛋白表面有三个亲水性强的线性表位和三个B细胞抗原表位。结论应用生物信息方法从亚洲牛带绦虫成虫cDNA文库中识别出了亚洲牛带绦虫WD40基因,并对其所编码的蛋白质的结构与功能进行了预测。
基金supported by the Major Program of the Zhejiang Province for Food Crop Breeding(Grant No.2016C02050-6)the Key Program of Hangzhou Agricultural Scientific Research(Grant No.20191203B08)。
文摘Plant growth and crop productivity are severely affected by abiotic stress on a global scale.WD40 repeat-containing proteins play a significant role in the development and environmental adaptation of eukaryotes.In this study,OsABT,a stress response gene,was cloned from rice(Oryza sativa L.cv.Nipponbare).OsABT encodes a protein containing seven WD40 domains.Expression analysis revealed that the OsABT gene was first up-regulated and then down-regulated following treatment with abscisic acid(ABA)and NaCl,but was down-regulated when treated with PEG8000.Subcellular localization results showed that OsABT was located in the cytoplasm and nucleus of Arabidopsis roots.OsABT transgenic Arabidopsis showed significantly increased tolerance to ABA and salt stress during plant seedling development.However,the transgenic lines were more sensitive to drought stress.Moreover,OsABT can interact with OsABI2,a component of ABA signaling pathway.These results showed that OsABT plays a positive regulatory role in response to salt stress and a negative role in response to drought stress in Arabidopsis.
