Mutation of OsGIGANTEA leads to enhanced tolerance to polyethylene glycol-generated osmotic stress in rice
Water deficit is one of the most important environmental stresses limiting plant growth and crop yield. While the identification of many key factors involved in the plant water deficit response has greatly increased our knowledge about the regulation system, the mechanisms underlying dehydration tol...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2016-04-01
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| Series: | Frontiers in Plant Science |
| Subjects: | |
| Online Access: | http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00465/full |
| _version_ | 1818163010317844480 |
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| author | Shuai eLi Shuai eLi Wenhao eYue Min eWang Wenmin eQiu Lian eZhou Huixia eShou |
| author_facet | Shuai eLi Shuai eLi Wenhao eYue Min eWang Wenmin eQiu Lian eZhou Huixia eShou |
| author_sort | Shuai eLi |
| collection | DOAJ |
| description | Water deficit is one of the most important environmental stresses limiting plant growth and crop yield. While the identification of many key factors involved in the plant water deficit response has greatly increased our knowledge about the regulation system, the mechanisms underlying dehydration tolerance in plants are still not well understood. In our current study, we investigated the roles of the key flowering time regulator, OsGIGANTEA (OsGI), in the osmotic stress tolerance in rice. Results showed that mutation of OsGI conferred tolerance to osmotic stress generated by polyethylene glycol (PEG), increased proline and sucrose contents, and accelerated stomata movement. In addition, qRT-PCR and microarray analysis revealed that the transcript abundance of some osmotic stress response genes, such as OsDREB1E, OsAP37, OsAP59, OsLIP9, OsLEA3, OsRAB16A and OsSalT, was significantly higher in osgi than in WT plants, suggesting that OsGI might be a negative regulator in the osmotic stress response in rice. |
| first_indexed | 2024-12-11T16:42:45Z |
| format | Article |
| id | doaj.art-9be07f9de0ee4b8a8fe5ec8c254b49c0 |
| institution | Directory Open Access Journal |
| issn | 1664-462X |
| language | English |
| last_indexed | 2024-12-11T16:42:45Z |
| publishDate | 2016-04-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Plant Science |
| spelling | doaj.art-9be07f9de0ee4b8a8fe5ec8c254b49c02022-12-22T00:58:17ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2016-04-01710.3389/fpls.2016.00465182196Mutation of OsGIGANTEA leads to enhanced tolerance to polyethylene glycol-generated osmotic stress in riceShuai eLi0Shuai eLi1Wenhao eYue2Min eWang3Wenmin eQiu4Lian eZhou5Huixia eShou6Zhejiang UniversityQingdao Agricultural UniversityZhejiang UniversityZhejiang UniversityZhejiang UniversityZhejiang UniversityZhejiang UniversityWater deficit is one of the most important environmental stresses limiting plant growth and crop yield. While the identification of many key factors involved in the plant water deficit response has greatly increased our knowledge about the regulation system, the mechanisms underlying dehydration tolerance in plants are still not well understood. In our current study, we investigated the roles of the key flowering time regulator, OsGIGANTEA (OsGI), in the osmotic stress tolerance in rice. Results showed that mutation of OsGI conferred tolerance to osmotic stress generated by polyethylene glycol (PEG), increased proline and sucrose contents, and accelerated stomata movement. In addition, qRT-PCR and microarray analysis revealed that the transcript abundance of some osmotic stress response genes, such as OsDREB1E, OsAP37, OsAP59, OsLIP9, OsLEA3, OsRAB16A and OsSalT, was significantly higher in osgi than in WT plants, suggesting that OsGI might be a negative regulator in the osmotic stress response in rice.http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00465/fullricestomataosmotic stressGIGANTEAWater deficiency |
| spellingShingle | Shuai eLi Shuai eLi Wenhao eYue Min eWang Wenmin eQiu Lian eZhou Huixia eShou Mutation of OsGIGANTEA leads to enhanced tolerance to polyethylene glycol-generated osmotic stress in rice Frontiers in Plant Science rice stomata osmotic stress GIGANTEA Water deficiency |
| title | Mutation of OsGIGANTEA leads to enhanced tolerance to polyethylene glycol-generated osmotic stress in rice |
| title_full | Mutation of OsGIGANTEA leads to enhanced tolerance to polyethylene glycol-generated osmotic stress in rice |
| title_fullStr | Mutation of OsGIGANTEA leads to enhanced tolerance to polyethylene glycol-generated osmotic stress in rice |
| title_full_unstemmed | Mutation of OsGIGANTEA leads to enhanced tolerance to polyethylene glycol-generated osmotic stress in rice |
| title_short | Mutation of OsGIGANTEA leads to enhanced tolerance to polyethylene glycol-generated osmotic stress in rice |
| title_sort | mutation of osgigantea leads to enhanced tolerance to polyethylene glycol generated osmotic stress in rice |
| topic | rice stomata osmotic stress GIGANTEA Water deficiency |
| url | http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00465/full |
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