Glycerol-3-phosphate dehydrogenase (GPDH) gene family in Zea mays L.: Identification, subcellular localization, and transcriptional responses to abiotic stresses
文献类型： 外文期刊
作者： Zhao, Ying 1 ; Li, Xin 2 ; Wang, Feng 1 ; Zhao, Xunchao 1 ; Gao, Yuqiao 1 ; Zhao, Changjiang 1 ; He, Lin 1 ; Li, Zuotong; 1 ;
作者机构： 1.Heilongjiang Bayi Agr Univ, Coll Agr, Daqing Key Lab Straw Reclamat Technol Res & Dev, Key Lab Modern Agr Cultivat & Crop Germplasm Impr, Daqing, Peoples R China
2.Heilongjiang Acad Agr Sci, Harbin, Heilongjiang, Peoples R China
期刊名称：PLOS ONE （ 2020影响因子：3.24； 五年影响因子：3.788 ）
ISSN： 1932-6203
年卷期： 2018 年 13 卷 7 期
收录情况： SCI
摘要： Glycerol-3-phosphate dehydrogenase (GPDH) catalyzes the formation of glycerol-3-phosphate, and plays an essential role in glycerolipid metabolism and in response to various stresses in different species. In this study, six ZmGPDH genes were obtained by a thorough search against maize genome, and designated as ZmGPDH1-6, respectively. The structural and evolutionary analyses showed that the ZmGPDHs family had typical conserved domains and similar protein structures as the known GPDHs from other plant species. ZmGPDHs were divided into NAD(+)-dependent type A form (ZmGPDH1-5) and FAD-dependent type B form (ZmGPDH6) based on their N-terminal sequences. Four full length ZmGPDHs were fused with GFP fusion proteins, and their subcellular localization was determined. ZmGPDH1 and ZmGPDH3 were located to the cytosol and mainly recruited to the surface of endoplasmic reticulum (ER), whereas ZmGPDH4 and ZmGPDH5 were located in the chloroplast. The transcriptional analysis of the ZmGPDHs in different maize tissues revealed relatively high level of transcripts accumulation of ZmGPDHs in roots and early stage developing seeds. Furthermore, we examined the transcriptional responses of the six GPDH genes in maize under various abiotic stresses, including salt, drought, alkali and cold, and significant induction of ZmGPDHs under osmotic stresses was observed. Together, this work will provide useful information for deciphering the roles of GPDHs in plant development and abiotic stress responses.
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