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Functional characterization of the late embryogenesis abundant (LEA) protein gene family from Pinus tabuliformis (Pinaceae) in Escherichia coli | |
Gao, Jie; Lan, Ting1 | |
2016 | |
发表期刊 | SCIENTIFIC REPORTS |
ISSN | 2045-2322 |
卷号 | 6 |
摘要 | Late embryogenesis abundant (LEA) proteins are a large and highly diverse gene family present in a wide range of plant species. LEAs are proposed to play a role in various stress tolerance responses. Our study represents the first-ever survey of LEA proteins and their encoding genes in a widely distributed pine (Pinus tabuliformis) in China. Twenty-three LEA genes were identified from the P. tabuliformis belonging to seven groups. Proteins with repeated motifs are an important feature specific to LEA groups. Ten of 23 pine LEA genes were selectively expressed in specific tissues, and showed expression divergence within each group. In addition, we selected 13 genes representing each group and introduced theses genes into Escherichia coli to assess the protective function of PtaLEA under heat and salt stresses. Compared with control cells, the E. coli cells expressing PtaLEA fusion protein exhibited enhanced salt and heat resistance and viability, indicating the protein may play a protective role in cells under stress conditions. Furthermore, among these enhanced tolerance genes, a certain extent of function divergence appeared within a gene group as well as between gene groups, suggesting potential functional diversity of this gene family in conifers. |
学科领域 | Multidisciplinary Sciences |
DOI | 10.1038/srep19467 |
收录类别 | SCI |
语种 | 英语 |
WOS关键词 | SACCHAROMYCES-CEREVISIAE ; ABSCISIC-ACID ; SALT STRESS ; MAIZE DHN1 ; TOLERANCE ; EXPRESSION ; IDENTIFICATION ; DROUGHT ; BINDING ; PLANTS |
WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
WOS记录号 | WOS:000368291900001 |
出版者 | NATURE RESEARCH |
文献子类 | Article |
出版地 | BERLIN |
资助机构 | National Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [31300560] |
作者邮箱 | gaojie@xtbg.org.cn |
作品OA属性 | Green Published, gold |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/24943 |
专题 | 系统与进化植物学国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Menglun, Yunnan, Peoples R China 2.Chinese Acad Sci, Inst Bot, State Key Lab Systmat & Evolutionary Bot, Beijing 10093, Peoples R China |
推荐引用方式 GB/T 7714 | Gao, Jie,Lan, Ting. Functional characterization of the late embryogenesis abundant (LEA) protein gene family from Pinus tabuliformis (Pinaceae) in Escherichia coli[J]. SCIENTIFIC REPORTS,2016,6. |
APA | Gao, Jie,&Lan, Ting.(2016).Functional characterization of the late embryogenesis abundant (LEA) protein gene family from Pinus tabuliformis (Pinaceae) in Escherichia coli.SCIENTIFIC REPORTS,6. |
MLA | Gao, Jie,et al."Functional characterization of the late embryogenesis abundant (LEA) protein gene family from Pinus tabuliformis (Pinaceae) in Escherichia coli".SCIENTIFIC REPORTS 6(2016). |
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