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Position: Home > Articles > Cloning and Bioinformatics Analysis of GLP Family Gene PutGLP2 of Puccinellia tenuiflora Modern Agricultural Science and Technology 2019 (16) 179-180+184

星星草类萌发素蛋白基因(PutGLP2)的克隆及生物信息学分析

作  者:
傅文上;李波;戴绍军;李莹
单  位:
东北林业大学盐碱地生物资源环境研究中心
关键词:
星星草;类萌发素蛋白;基因克隆;生物信息学分析
摘  要:
类萌发素蛋白是一类种子萌发相关的特异性标记,其在植物生物和非生物胁迫应答过程中起到了重要作用。本研究通过酵母cDNA文库筛选,获得全长为1 065 bp的PutGLP2基因,其5′非翻译区164 bp,开放读码框666 bp,编码221个氨基酸,3′非翻译区235 bp。利用PCR技术,克隆获得PutGLP2的ORF序列。生物信息学分析发现,PutGLP2在氨基端(N端)具有一个跨膜结构域及N端信号肽,预测定位于细胞壁或胞外间质。将PutGLP2与水稻的43种GLP蛋白进行聚类分析,发现PutGLP2属于类萌发素亚家族2成员之一,并与水稻OsGLP1-1相似性最高。本研究将为丰富植物类萌发素蛋白基因信息提供参考。
译  名:
Cloning and Bioinformatics Analysis of GLP Family Gene PutGLP2 of Puccinellia tenuiflora
作  者:
FU Wen-shang;LI Bo;DAI Shao-jun;LI Ying;Ministry of Education Alkali Soil Natural Environmental Science Center ,Northeast Forestry University;Key Laboratory of Saline-alkali Vegetation Ecology Restoration ,Ministry of Education;
关键词:
Puccinellia tenuiflora;;germin-like protein;;gene cloning;;bioinformatics analysis
摘  要:
Germin-like proteins are a class of specific marker associated with seed germination,which play an important role in the response of biotic and abiotic stress.In this study,a full-length 1 065 bp PutGLP2 gene was isolated through screening from yeast cDNA library,The 5′-untranslated region was 164 bp,the open reading frame was 666 bp,encoding 221 amino acids,and the 3′-untranslated region was 235 bp.The ORF sequence of PutGLP2 was cloned by PCR.Bioinformatics analysis revealed that PutGLP2 has a transmembrane domain and a signal peptide at the amino terminus(N-terminus),which is predicted to be localized to the cell wall or extracellular matrix.Phylogenetic tree analysis of PutGLP2 and 43 GLP proteins in rice revealed that PutGLP2 is a member of the germin-like protein subfamily 2 and has the highest similarity with rice OsGLP1-1.This study will provide a reference for enriching the plant germination protein gene information.

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