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Melatonin alleviates low PS I-limited carbon assimilation under elevated CO2 and enhances the cold tolerance of offspring in chlorophyll b-deficient mutant wheat
X. N. Li, M. Brestic, D. X. Tan, M. Zivcak, X. C. Zhu, S. Q. Liu, F. B. Song, R. J. Reiter and F. L. Liu
2018
Source PublicationJournal of Pineal Research
Volume64Issue:1
Other AbstractMelatonin is involved in the regulation of carbohydrate metabolism and induction of cold tolerance in plants. The objective of this study was to investigate the roles of melatonin in modulation of carbon assimilation of wild-type wheat and the Chl b-deficient mutant ANK32B in response to elevated CO2 concentration ([CO2]) and the transgenerational effects of application of exogenous melatonin (hereafter identified as melatonin priming) on the cold tolerance in offspring. The results showed that the melatonin priming enhanced the carbon assimilation in ANK32B under elevated [CO2], via boosting the activities of ATPase and sucrose synthesis and maintaining a relatively higher level of total chlorophyll concentration in leaves. In addition, melatonin priming in maternal plants at grain filling promoted the seed germination in offspring by accelerating the starch degradation and improved the cold tolerance of seedlings through activating the antioxidant enzymes and enhancing the photosynthetic electron transport efficiency. These findings suggest the important roles of melatonin in plant response to future climate change, indicating that the melatonin priming at grain filling in maternal plants could be an effective approach to improve cold tolerance of wheat offspring at seedling stage.
Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/9206
Collection湿地生态系统管理学科组
Recommended Citation
GB/T 7714
X. N. Li, M. Brestic, D. X. Tan, M. Zivcak, X. C. Zhu, S. Q. Liu, F. B. Song, R. J. Reiter and F. L. Liu. Melatonin alleviates low PS I-limited carbon assimilation under elevated CO2 and enhances the cold tolerance of offspring in chlorophyll b-deficient mutant wheat[J]. Journal of Pineal Research,2018,64(1).
APA X. N. Li, M. Brestic, D. X. Tan, M. Zivcak, X. C. Zhu, S. Q. Liu, F. B. Song, R. J. Reiter and F. L. Liu.(2018).Melatonin alleviates low PS I-limited carbon assimilation under elevated CO2 and enhances the cold tolerance of offspring in chlorophyll b-deficient mutant wheat.Journal of Pineal Research,64(1).
MLA X. N. Li, M. Brestic, D. X. Tan, M. Zivcak, X. C. Zhu, S. Q. Liu, F. B. Song, R. J. Reiter and F. L. Liu."Melatonin alleviates low PS I-limited carbon assimilation under elevated CO2 and enhances the cold tolerance of offspring in chlorophyll b-deficient mutant wheat".Journal of Pineal Research 64.1(2018).
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