Interactions of ABA signaling core components (SlPYLs, SlPP2Cs, and SlSnRK2s) in tomato (Solanum lycopersicon)

Copyright © 2016 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 205(2016) vom: 20. Okt., Seite 67-74
1. Verfasser: Chen, Pei (VerfasserIn)
Weitere Verfasser: Sun, Yu-Fei, Kai, Wen-Bin, Liang, Bin, Zhang, Yu-Shu, Zhai, Xia-Wan, Jiang, Li, Du, Yang-Wei, Leng, Ping
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Review ABA SlPP2C SlPYL SlSnRK2 Tomato fruit Yeast two-hybrid Carrier Proteins Plant Growth Regulators mehr... Plant Proteins Abscisic Acid 72S9A8J5GW SNF1-related protein kinases EC 2.7.1.- Protein Serine-Threonine Kinases EC 2.7.11.1 Phosphoprotein Phosphatases EC 3.1.3.16
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245 1 0 |a Interactions of ABA signaling core components (SlPYLs, SlPP2Cs, and SlSnRK2s) in tomato (Solanum lycopersicon) 
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520 |a Abscisic acid (ABA) regulates fruit development and ripening via its signaling. However, the exact role of ABA signaling core components in fruit have not yet been clarified. In this study, we investigated the potential interactions of tomato (Solanum lycopersicon) ABA signaling core components using yeast two-hybrid analysis, with or without ABA at different concentrations. The results showed that among 12 PYR/PYL/RCAR ABA receptors (SlPYLs), SlPYL1, SlPYL2, SlPYL4, SlPYL5, SlPYL 7, SlPYL8, SlPYL9, SlPYL10, SlPYL11, and SlPYL13 were ABA-dependent receptors, while SlPYL3 and SlPYL12 were ABA-independent receptors. Among five SlPP2Cs (type 2C protein phosphatases) and seven SlSnRK2s (subfamily 2 of SNF1-related kinases), all SlSnRK2s could interact with SlPP2C2, while SlSnRK2.8 also interacted with SlPP2C3. SlSnRK2.5 could interact with SlABF2/4 (ABA-responsive element binding factors). Expressions of SlPYL1, SlPYL2, SlPYL8, and SlPYL10 were upregulated under exogenous ABA but downregulated under nordihydroguaiaretic acid (NDGA) at the mature green stage of fruit ripening. The expressions of SlPP2C1, SlPP2C2, SlPP2C3, and SlPP2C5 were upregulated in ABA-treated fruit, but downregulated in NDGA-treated fruit at the mature green stage. The expressions of SlSnRK2.4, SlSnRK2.5, SlSnRK2.6, and SlSnRK2.7 were upregulated by ABA, but downregulated by NDGA. However, SlSnRK2.2 was down regulated by ABA. Expression of SlABF2/3/4 was enhanced by ABA but decreased by NDGA. Based on these results, we concluded that the majority of ABA receptor PYLs interact with SlPP2Cs in an ABA-dependent manner. SlPP2C2 and SlPP2C3 can interact with SlSnRK2s. SlSnRK2.5 could interact with SlABF2/4. Most ABA signaling core components respond to exogenous ABA 
650 4 |a Journal Article 
650 4 |a Review 
650 4 |a ABA 
650 4 |a SlPP2C 
650 4 |a SlPYL 
650 4 |a SlSnRK2 
650 4 |a Tomato fruit 
650 4 |a Yeast two-hybrid 
650 7 |a Carrier Proteins  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Abscisic Acid  |2 NLM 
650 7 |a 72S9A8J5GW  |2 NLM 
650 7 |a SNF1-related protein kinases  |2 NLM 
650 7 |a EC 2.7.1.-  |2 NLM 
650 7 |a Protein Serine-Threonine Kinases  |2 NLM 
650 7 |a EC 2.7.11.1  |2 NLM 
650 7 |a Phosphoprotein Phosphatases  |2 NLM 
650 7 |a EC 3.1.3.16  |2 NLM 
700 1 |a Sun, Yu-Fei  |e verfasserin  |4 aut 
700 1 |a Kai, Wen-Bin  |e verfasserin  |4 aut 
700 1 |a Liang, Bin  |e verfasserin  |4 aut 
700 1 |a Zhang, Yu-Shu  |e verfasserin  |4 aut 
700 1 |a Zhai, Xia-Wan  |e verfasserin  |4 aut 
700 1 |a Jiang, Li  |e verfasserin  |4 aut 
700 1 |a Du, Yang-Wei  |e verfasserin  |4 aut 
700 1 |a Leng, Ping  |e verfasserin  |4 aut 
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773 1 8 |g volume:205  |g year:2016  |g day:20  |g month:10  |g pages:67-74 
856 4 0 |u http://dx.doi.org/10.1016/j.jplph.2016.07.016  |3 Volltext 
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