Hormone profiling and transcription analysis reveal a major role of ABA in tomato salt tolerance

Copyright © 2014 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 77(2014) vom: 21. Apr., Seite 23-34
1. Verfasser: Yang, Rongchao (VerfasserIn)
Weitere Verfasser: Yang, Ting, Zhang, Haijun, Qi, Yan, Xing, Yanxia, Zhang, Na, Li, Ren, Weeda, Sarah, Ren, Shuxin, Ouyang, Bo, Guo, Yang-Dong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Gene expression Hormones Physiological and biochemical Salinity stress Tomato Antioxidants Plant Growth Regulators Sodium Chloride mehr... 451W47IQ8X Abscisic Acid 72S9A8J5GW Sodium 9NEZ333N27 Potassium RWP5GA015D
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100 1 |a Yang, Rongchao  |e verfasserin  |4 aut 
245 1 0 |a Hormone profiling and transcription analysis reveal a major role of ABA in tomato salt tolerance 
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520 |a Copyright © 2014 Elsevier Masson SAS. All rights reserved. 
520 |a The response and adaptation of plants to different environmental stresses are of great interest as they provide the key to understanding the mechanisms underlying stress tolerance. In this study, the changing patterns of four endogenous hormones and various physiological and biochemical parameters of both a salt-tolerant (LA2711) and a salt-sensitive (ZS-5) tomato cultivar were examined under salt stress and non-stress conditions. Additionally, the transcription of key genes in the abscisic acid (ABA) biosynthesis and metabolism were analyzed at different time points. The results indicated that gene expression responsible for ABA biosynthesis and metabolism coincided with the hormone level, and SlNCED1 and SlCYP707A3 may play major roles in the process. LA2711 performed superior to ZS-5 on various parameters, including seed germination, Na(+) compartmentation, selective absorption of K(+), and antioxidant enzymes activity. The difference in salt tolerance between the two genotypes could be attributed to the different levels of ABA due to differences in gene expression of key genes in ABA biosynthesis and metabolism. Although gibberellin, cytokinin and auxin were involved, our results indicated that ABA signaling plays a major role in tomato salt tolerance. As compared to ZS-5, LA2711 had a higher capability to selectively absorb and redistribute K(+) and a higher tolerance to Na(+) in young leaves, which may be the main physiological mechanisms of salt tolerance 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Gene expression 
650 4 |a Hormones 
650 4 |a Physiological and biochemical 
650 4 |a Salinity stress 
650 4 |a Tomato 
650 7 |a Antioxidants  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Sodium Chloride  |2 NLM 
650 7 |a 451W47IQ8X  |2 NLM 
650 7 |a Abscisic Acid  |2 NLM 
650 7 |a 72S9A8J5GW  |2 NLM 
650 7 |a Sodium  |2 NLM 
650 7 |a 9NEZ333N27  |2 NLM 
650 7 |a Potassium  |2 NLM 
650 7 |a RWP5GA015D  |2 NLM 
700 1 |a Yang, Ting  |e verfasserin  |4 aut 
700 1 |a Zhang, Haijun  |e verfasserin  |4 aut 
700 1 |a Qi, Yan  |e verfasserin  |4 aut 
700 1 |a Xing, Yanxia  |e verfasserin  |4 aut 
700 1 |a Zhang, Na  |e verfasserin  |4 aut 
700 1 |a Li, Ren  |e verfasserin  |4 aut 
700 1 |a Weeda, Sarah  |e verfasserin  |4 aut 
700 1 |a Ren, Shuxin  |e verfasserin  |4 aut 
700 1 |a Ouyang, Bo  |e verfasserin  |4 aut 
700 1 |a Guo, Yang-Dong  |e verfasserin  |4 aut 
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773 1 8 |g volume:77  |g year:2014  |g day:21  |g month:04  |g pages:23-34 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2014.01.015  |3 Volltext 
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