An endoplasmic reticulum magnesium transporter is essential for pollen development in Arabidopsis

Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 231(2015) vom: 01. Feb., Seite 212-20
1. Verfasser: Li, Jian (VerfasserIn)
Weitere Verfasser: Huang, Yuan, Tan, Hong, Yang, Xiao, Tian, Lianfu, Luan, Sheng, Chen, Liangbi, Li, Dongping
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Endoplasmic reticulum Magnesium transporter Pollen abortion Arabidopsis Proteins Magnesium I38ZP9992A
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520 |a Magnesium is one of the essential macro-elements for plant growth and development, participated in photosynthesis and various metabolic processes. The Mg-transport abilities of the AtMGT (Magnesium Transporter) genes were identified in bacteria or yeast mutant system. In our previous studies, both the AtMGT5 and AtMGT9 were found essential for pollen development in Arabidopsis. Here we report another AtMGT member, AtMGT4, which was localized to the endoplasmic reticulum, was essential for pollen development as well. AtMGT4 expressed notably in pollen grains from bicellular pollen stage to mature pollen stage. A T-DNA insertional mutant of the gene, named mgt4-1, showed pollen abortive phenotype, thus we could not get any homozygous mutant from progenies of self-crossed +/mgt4-1 plants. Meanwhile, nearly half of pollens in AtMGT4-RNAi transgenic lines were sterile, consistent with the phenotype of +/mgt4-1 mutant. Transgenic plants expressing AtMGT4 in the mgt4-1 background could recover the pollen fertility to the wild type. Together, our findings demonstrated that the disruption of AtMGT4 in Arabidopsis could cause a defect of pollen development. The visible pollen abortion appeared at bicellular pollen stage in +/mgt4-1 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Endoplasmic reticulum 
650 4 |a Magnesium transporter 
650 4 |a Pollen abortion 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Magnesium  |2 NLM 
650 7 |a I38ZP9992A  |2 NLM 
700 1 |a Huang, Yuan  |e verfasserin  |4 aut 
700 1 |a Tan, Hong  |e verfasserin  |4 aut 
700 1 |a Yang, Xiao  |e verfasserin  |4 aut 
700 1 |a Tian, Lianfu  |e verfasserin  |4 aut 
700 1 |a Luan, Sheng  |e verfasserin  |4 aut 
700 1 |a Chen, Liangbi  |e verfasserin  |4 aut 
700 1 |a Li, Dongping  |e verfasserin  |4 aut 
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856 4 0 |u http://dx.doi.org/10.1016/j.plantsci.2014.12.008  |3 Volltext 
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