Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze)

The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of differe...
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Autor*in:	Ni Yang [verfasserIn] Miao-Hua Han [verfasserIn] Rui-Min Teng [verfasserIn] Ya-Zhuo Yang [verfasserIn] Ya-Hui Wang [verfasserIn] Ai-Sheng Xiong [verfasserIn] Jing Zhuang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	melatonin chlorophyll photosynthetic characteristics gene expression

Übergeordnetes Werk:	In: International Journal of Molecular Sciences - MDPI AG, 2003, 23(2022), 12, p 6694
Übergeordnetes Werk:	volume:23 ; year:2022 ; number:12, p 6694

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.3390/ijms23126694

Katalog-ID:	DOAJ042684773

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allfields	10.3390/ijms23126694 doi (DE-627)DOAJ042684773 (DE-599)DOAJfca5a0e7045e4e408ca3a9da6af39924 DE-627 ger DE-627 rakwb eng QH301-705.5 QD1-999 Ni Yang verfasserin aut Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of different concentrations (0, 0.2, 0.3, 0.4 mM) of melatonin on the chlorophyll (Chl) content, stomatal opening, photosynthetic and fluorescence parameters, antioxidant enzyme activity, and related gene expression of tea plants were detected and analyzed. The results showed that under 0.2-mM MT treatment, chlorophyll (Chl) content, photosynthetic rate (<i<P</i<<sub<n</sub<), stomatal conductance (<i<G</i<<sub<s</sub<), intercellular CO<sub<2</sub< concentration (<i<C</i<<sub<i</sub<), and transpiration rate (<i<T</i<<sub<r</sub<) improved, accompanied by a decrease in stomata density and increase in stomata area. Zero point two millimolar MT increased Chl fluorescence level and superoxide dismutase (SOD) activity, and reduced hydrogen peroxide (H<sub<2</sub<O<sub<2</sub<) and malondialdehyde (MDA) contents, indicating that MT alleviated PSII inhibition and improved photochemical efficiency. At the same time, 0.2 mM MT induced the expression of genes involved in photosynthesis and chlorophyll metabolism to varying degrees. The study demonstrated that MT can effectively enhance the photosynthetic capacity of tea plants in a dose-dependent manner. These results may promote a comprehensive understanding of the potential regulatory mechanism of exogenous MT on photosynthesis in tea plants. <i<Camellia sinensis</i< melatonin chlorophyll photosynthetic characteristics gene expression Biology (General) Chemistry Miao-Hua Han verfasserin aut Rui-Min Teng verfasserin aut Ya-Zhuo Yang verfasserin aut Ya-Hui Wang verfasserin aut Ai-Sheng Xiong verfasserin aut Jing Zhuang verfasserin aut In International Journal of Molecular Sciences MDPI AG, 2003 23(2022), 12, p 6694 (DE-627)316340715 (DE-600)2019364-6 14220067 nnns volume:23 year:2022 number:12, p 6694 https://doi.org/10.3390/ijms23126694 kostenfrei https://doaj.org/article/fca5a0e7045e4e408ca3a9da6af39924 kostenfrei https://www.mdpi.com/1422-0067/23/12/6694 kostenfrei https://doaj.org/toc/1661-6596 Journal toc kostenfrei https://doaj.org/toc/1422-0067 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2022 12, p 6694
spelling	10.3390/ijms23126694 doi (DE-627)DOAJ042684773 (DE-599)DOAJfca5a0e7045e4e408ca3a9da6af39924 DE-627 ger DE-627 rakwb eng QH301-705.5 QD1-999 Ni Yang verfasserin aut Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of different concentrations (0, 0.2, 0.3, 0.4 mM) of melatonin on the chlorophyll (Chl) content, stomatal opening, photosynthetic and fluorescence parameters, antioxidant enzyme activity, and related gene expression of tea plants were detected and analyzed. The results showed that under 0.2-mM MT treatment, chlorophyll (Chl) content, photosynthetic rate (<i<P</i<<sub<n</sub<), stomatal conductance (<i<G</i<<sub<s</sub<), intercellular CO<sub<2</sub< concentration (<i<C</i<<sub<i</sub<), and transpiration rate (<i<T</i<<sub<r</sub<) improved, accompanied by a decrease in stomata density and increase in stomata area. Zero point two millimolar MT increased Chl fluorescence level and superoxide dismutase (SOD) activity, and reduced hydrogen peroxide (H<sub<2</sub<O<sub<2</sub<) and malondialdehyde (MDA) contents, indicating that MT alleviated PSII inhibition and improved photochemical efficiency. At the same time, 0.2 mM MT induced the expression of genes involved in photosynthesis and chlorophyll metabolism to varying degrees. The study demonstrated that MT can effectively enhance the photosynthetic capacity of tea plants in a dose-dependent manner. These results may promote a comprehensive understanding of the potential regulatory mechanism of exogenous MT on photosynthesis in tea plants. <i<Camellia sinensis</i< melatonin chlorophyll photosynthetic characteristics gene expression Biology (General) Chemistry Miao-Hua Han verfasserin aut Rui-Min Teng verfasserin aut Ya-Zhuo Yang verfasserin aut Ya-Hui Wang verfasserin aut Ai-Sheng Xiong verfasserin aut Jing Zhuang verfasserin aut In International Journal of Molecular Sciences MDPI AG, 2003 23(2022), 12, p 6694 (DE-627)316340715 (DE-600)2019364-6 14220067 nnns volume:23 year:2022 number:12, p 6694 https://doi.org/10.3390/ijms23126694 kostenfrei https://doaj.org/article/fca5a0e7045e4e408ca3a9da6af39924 kostenfrei https://www.mdpi.com/1422-0067/23/12/6694 kostenfrei https://doaj.org/toc/1661-6596 Journal toc kostenfrei https://doaj.org/toc/1422-0067 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2022 12, p 6694
allfields_unstemmed	10.3390/ijms23126694 doi (DE-627)DOAJ042684773 (DE-599)DOAJfca5a0e7045e4e408ca3a9da6af39924 DE-627 ger DE-627 rakwb eng QH301-705.5 QD1-999 Ni Yang verfasserin aut Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of different concentrations (0, 0.2, 0.3, 0.4 mM) of melatonin on the chlorophyll (Chl) content, stomatal opening, photosynthetic and fluorescence parameters, antioxidant enzyme activity, and related gene expression of tea plants were detected and analyzed. The results showed that under 0.2-mM MT treatment, chlorophyll (Chl) content, photosynthetic rate (<i<P</i<<sub<n</sub<), stomatal conductance (<i<G</i<<sub<s</sub<), intercellular CO<sub<2</sub< concentration (<i<C</i<<sub<i</sub<), and transpiration rate (<i<T</i<<sub<r</sub<) improved, accompanied by a decrease in stomata density and increase in stomata area. Zero point two millimolar MT increased Chl fluorescence level and superoxide dismutase (SOD) activity, and reduced hydrogen peroxide (H<sub<2</sub<O<sub<2</sub<) and malondialdehyde (MDA) contents, indicating that MT alleviated PSII inhibition and improved photochemical efficiency. At the same time, 0.2 mM MT induced the expression of genes involved in photosynthesis and chlorophyll metabolism to varying degrees. The study demonstrated that MT can effectively enhance the photosynthetic capacity of tea plants in a dose-dependent manner. These results may promote a comprehensive understanding of the potential regulatory mechanism of exogenous MT on photosynthesis in tea plants. <i<Camellia sinensis</i< melatonin chlorophyll photosynthetic characteristics gene expression Biology (General) Chemistry Miao-Hua Han verfasserin aut Rui-Min Teng verfasserin aut Ya-Zhuo Yang verfasserin aut Ya-Hui Wang verfasserin aut Ai-Sheng Xiong verfasserin aut Jing Zhuang verfasserin aut In International Journal of Molecular Sciences MDPI AG, 2003 23(2022), 12, p 6694 (DE-627)316340715 (DE-600)2019364-6 14220067 nnns volume:23 year:2022 number:12, p 6694 https://doi.org/10.3390/ijms23126694 kostenfrei https://doaj.org/article/fca5a0e7045e4e408ca3a9da6af39924 kostenfrei https://www.mdpi.com/1422-0067/23/12/6694 kostenfrei https://doaj.org/toc/1661-6596 Journal toc kostenfrei https://doaj.org/toc/1422-0067 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2022 12, p 6694
allfieldsGer	10.3390/ijms23126694 doi (DE-627)DOAJ042684773 (DE-599)DOAJfca5a0e7045e4e408ca3a9da6af39924 DE-627 ger DE-627 rakwb eng QH301-705.5 QD1-999 Ni Yang verfasserin aut Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of different concentrations (0, 0.2, 0.3, 0.4 mM) of melatonin on the chlorophyll (Chl) content, stomatal opening, photosynthetic and fluorescence parameters, antioxidant enzyme activity, and related gene expression of tea plants were detected and analyzed. The results showed that under 0.2-mM MT treatment, chlorophyll (Chl) content, photosynthetic rate (<i<P</i<<sub<n</sub<), stomatal conductance (<i<G</i<<sub<s</sub<), intercellular CO<sub<2</sub< concentration (<i<C</i<<sub<i</sub<), and transpiration rate (<i<T</i<<sub<r</sub<) improved, accompanied by a decrease in stomata density and increase in stomata area. Zero point two millimolar MT increased Chl fluorescence level and superoxide dismutase (SOD) activity, and reduced hydrogen peroxide (H<sub<2</sub<O<sub<2</sub<) and malondialdehyde (MDA) contents, indicating that MT alleviated PSII inhibition and improved photochemical efficiency. At the same time, 0.2 mM MT induced the expression of genes involved in photosynthesis and chlorophyll metabolism to varying degrees. The study demonstrated that MT can effectively enhance the photosynthetic capacity of tea plants in a dose-dependent manner. These results may promote a comprehensive understanding of the potential regulatory mechanism of exogenous MT on photosynthesis in tea plants. <i<Camellia sinensis</i< melatonin chlorophyll photosynthetic characteristics gene expression Biology (General) Chemistry Miao-Hua Han verfasserin aut Rui-Min Teng verfasserin aut Ya-Zhuo Yang verfasserin aut Ya-Hui Wang verfasserin aut Ai-Sheng Xiong verfasserin aut Jing Zhuang verfasserin aut In International Journal of Molecular Sciences MDPI AG, 2003 23(2022), 12, p 6694 (DE-627)316340715 (DE-600)2019364-6 14220067 nnns volume:23 year:2022 number:12, p 6694 https://doi.org/10.3390/ijms23126694 kostenfrei https://doaj.org/article/fca5a0e7045e4e408ca3a9da6af39924 kostenfrei https://www.mdpi.com/1422-0067/23/12/6694 kostenfrei https://doaj.org/toc/1661-6596 Journal toc kostenfrei https://doaj.org/toc/1422-0067 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2022 12, p 6694
allfieldsSound	10.3390/ijms23126694 doi (DE-627)DOAJ042684773 (DE-599)DOAJfca5a0e7045e4e408ca3a9da6af39924 DE-627 ger DE-627 rakwb eng QH301-705.5 QD1-999 Ni Yang verfasserin aut Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze) 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of different concentrations (0, 0.2, 0.3, 0.4 mM) of melatonin on the chlorophyll (Chl) content, stomatal opening, photosynthetic and fluorescence parameters, antioxidant enzyme activity, and related gene expression of tea plants were detected and analyzed. The results showed that under 0.2-mM MT treatment, chlorophyll (Chl) content, photosynthetic rate (<i<P</i<<sub<n</sub<), stomatal conductance (<i<G</i<<sub<s</sub<), intercellular CO<sub<2</sub< concentration (<i<C</i<<sub<i</sub<), and transpiration rate (<i<T</i<<sub<r</sub<) improved, accompanied by a decrease in stomata density and increase in stomata area. Zero point two millimolar MT increased Chl fluorescence level and superoxide dismutase (SOD) activity, and reduced hydrogen peroxide (H<sub<2</sub<O<sub<2</sub<) and malondialdehyde (MDA) contents, indicating that MT alleviated PSII inhibition and improved photochemical efficiency. At the same time, 0.2 mM MT induced the expression of genes involved in photosynthesis and chlorophyll metabolism to varying degrees. The study demonstrated that MT can effectively enhance the photosynthetic capacity of tea plants in a dose-dependent manner. These results may promote a comprehensive understanding of the potential regulatory mechanism of exogenous MT on photosynthesis in tea plants. <i<Camellia sinensis</i< melatonin chlorophyll photosynthetic characteristics gene expression Biology (General) Chemistry Miao-Hua Han verfasserin aut Rui-Min Teng verfasserin aut Ya-Zhuo Yang verfasserin aut Ya-Hui Wang verfasserin aut Ai-Sheng Xiong verfasserin aut Jing Zhuang verfasserin aut In International Journal of Molecular Sciences MDPI AG, 2003 23(2022), 12, p 6694 (DE-627)316340715 (DE-600)2019364-6 14220067 nnns volume:23 year:2022 number:12, p 6694 https://doi.org/10.3390/ijms23126694 kostenfrei https://doaj.org/article/fca5a0e7045e4e408ca3a9da6af39924 kostenfrei https://www.mdpi.com/1422-0067/23/12/6694 kostenfrei https://doaj.org/toc/1661-6596 Journal toc kostenfrei https://doaj.org/toc/1422-0067 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2022 12, p 6694
language	English
source	In International Journal of Molecular Sciences 23(2022), 12, p 6694 volume:23 year:2022 number:12, p 6694
sourceStr	In International Journal of Molecular Sciences 23(2022), 12, p 6694 volume:23 year:2022 number:12, p 6694
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	<i<Camellia sinensis</i< melatonin chlorophyll photosynthetic characteristics gene expression Biology (General) Chemistry
isfreeaccess_bool	true
container_title	International Journal of Molecular Sciences
authorswithroles_txt_mv	Ni Yang @@aut@@ Miao-Hua Han @@aut@@ Rui-Min Teng @@aut@@ Ya-Zhuo Yang @@aut@@ Ya-Hui Wang @@aut@@ Ai-Sheng Xiong @@aut@@ Jing Zhuang @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
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language_de	englisch
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callnumber-first	Q - Science
author	Ni Yang
spellingShingle	Ni Yang misc QH301-705.5 misc QD1-999 misc <i<Camellia sinensis</i< misc melatonin misc chlorophyll misc photosynthetic characteristics misc gene expression misc Biology (General) misc Chemistry Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze)
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topic_title	QH301-705.5 QD1-999 Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze) <i<Camellia sinensis</i< melatonin chlorophyll photosynthetic characteristics gene expression
topic	misc QH301-705.5 misc QD1-999 misc <i<Camellia sinensis</i< misc melatonin misc chlorophyll misc photosynthetic characteristics misc gene expression misc Biology (General) misc Chemistry
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title	Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze)
ctrlnum	(DE-627)DOAJ042684773 (DE-599)DOAJfca5a0e7045e4e408ca3a9da6af39924
title_full	Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze)
author_sort	Ni Yang
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author_browse	Ni Yang Miao-Hua Han Rui-Min Teng Ya-Zhuo Yang Ya-Hui Wang Ai-Sheng Xiong Jing Zhuang
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title_sort	exogenous melatonin enhances photosynthetic capacity and related gene expression in a dose-dependent manner in the tea plant (<i<camellia sinensis</i< (l.) kuntze)
callnumber	QH301-705.5
title_auth	Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze)
abstract	The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of different concentrations (0, 0.2, 0.3, 0.4 mM) of melatonin on the chlorophyll (Chl) content, stomatal opening, photosynthetic and fluorescence parameters, antioxidant enzyme activity, and related gene expression of tea plants were detected and analyzed. The results showed that under 0.2-mM MT treatment, chlorophyll (Chl) content, photosynthetic rate (<i<P</i<<sub<n</sub<), stomatal conductance (<i<G</i<<sub<s</sub<), intercellular CO<sub<2</sub< concentration (<i<C</i<<sub<i</sub<), and transpiration rate (<i<T</i<<sub<r</sub<) improved, accompanied by a decrease in stomata density and increase in stomata area. Zero point two millimolar MT increased Chl fluorescence level and superoxide dismutase (SOD) activity, and reduced hydrogen peroxide (H<sub<2</sub<O<sub<2</sub<) and malondialdehyde (MDA) contents, indicating that MT alleviated PSII inhibition and improved photochemical efficiency. At the same time, 0.2 mM MT induced the expression of genes involved in photosynthesis and chlorophyll metabolism to varying degrees. The study demonstrated that MT can effectively enhance the photosynthetic capacity of tea plants in a dose-dependent manner. These results may promote a comprehensive understanding of the potential regulatory mechanism of exogenous MT on photosynthesis in tea plants.
abstractGer	The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of different concentrations (0, 0.2, 0.3, 0.4 mM) of melatonin on the chlorophyll (Chl) content, stomatal opening, photosynthetic and fluorescence parameters, antioxidant enzyme activity, and related gene expression of tea plants were detected and analyzed. The results showed that under 0.2-mM MT treatment, chlorophyll (Chl) content, photosynthetic rate (<i<P</i<<sub<n</sub<), stomatal conductance (<i<G</i<<sub<s</sub<), intercellular CO<sub<2</sub< concentration (<i<C</i<<sub<i</sub<), and transpiration rate (<i<T</i<<sub<r</sub<) improved, accompanied by a decrease in stomata density and increase in stomata area. Zero point two millimolar MT increased Chl fluorescence level and superoxide dismutase (SOD) activity, and reduced hydrogen peroxide (H<sub<2</sub<O<sub<2</sub<) and malondialdehyde (MDA) contents, indicating that MT alleviated PSII inhibition and improved photochemical efficiency. At the same time, 0.2 mM MT induced the expression of genes involved in photosynthesis and chlorophyll metabolism to varying degrees. The study demonstrated that MT can effectively enhance the photosynthetic capacity of tea plants in a dose-dependent manner. These results may promote a comprehensive understanding of the potential regulatory mechanism of exogenous MT on photosynthesis in tea plants.
abstract_unstemmed	The enhancement of photosynthesis of tea leaves can increase tea yield. In order to explore the regulation mechanism of exogenous melatonin (MT) on the photosynthetic characteristics of tea plants, tea variety ‘Zhongcha 108’ was used as the experimental material in this study. The effects of different concentrations (0, 0.2, 0.3, 0.4 mM) of melatonin on the chlorophyll (Chl) content, stomatal opening, photosynthetic and fluorescence parameters, antioxidant enzyme activity, and related gene expression of tea plants were detected and analyzed. The results showed that under 0.2-mM MT treatment, chlorophyll (Chl) content, photosynthetic rate (<i<P</i<<sub<n</sub<), stomatal conductance (<i<G</i<<sub<s</sub<), intercellular CO<sub<2</sub< concentration (<i<C</i<<sub<i</sub<), and transpiration rate (<i<T</i<<sub<r</sub<) improved, accompanied by a decrease in stomata density and increase in stomata area. Zero point two millimolar MT increased Chl fluorescence level and superoxide dismutase (SOD) activity, and reduced hydrogen peroxide (H<sub<2</sub<O<sub<2</sub<) and malondialdehyde (MDA) contents, indicating that MT alleviated PSII inhibition and improved photochemical efficiency. At the same time, 0.2 mM MT induced the expression of genes involved in photosynthesis and chlorophyll metabolism to varying degrees. The study demonstrated that MT can effectively enhance the photosynthetic capacity of tea plants in a dose-dependent manner. These results may promote a comprehensive understanding of the potential regulatory mechanism of exogenous MT on photosynthesis in tea plants.
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container_issue	12, p 6694
title_short	Exogenous Melatonin Enhances Photosynthetic Capacity and Related Gene Expression in A Dose-Dependent Manner in the Tea Plant (<i<Camellia sinensis</i< (L.) Kuntze)
url	https://doi.org/10.3390/ijms23126694 https://doaj.org/article/fca5a0e7045e4e408ca3a9da6af39924 https://www.mdpi.com/1422-0067/23/12/6694 https://doaj.org/toc/1661-6596 https://doaj.org/toc/1422-0067
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