E3S Web Conf.
Volume 145, 20202019 International Academic Exchange Conference on Science and Technology Innovation (IAECST 2019)
|Number of page(s)||4|
|Section||International Conference on Biotechnology and Food Science|
|Published online||06 February 2020|
Diurnal variation of melatonin content in sweet cherry leaves
1 Collega of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
2 Science Technology & Agriculture Livestock Bureau of Wenchuan county, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan, 623000, China
3 Insitute of pomology and Olericulture, Sichuan Agricultural University, Chengdu, Sichuan, China
a Corresponding author’s e-mail: firstname.lastname@example.org
In order to explore the accumulation characteristics of melatonin in sweet cherry leaves, the melatonin content was measured every 4h for a whole day in mature leaves of 'Hongdeng' and the expression patterns of related synthetic genes were investigated. The melatonin content displayed double peaks at 14:00 and 22:00, respectively, speculating that high temperature and strong light intensity promote the synthesis of melatonin in leaves. In addition, expression pattern of 5 melatonin synthesis genes TDC, T5H1, T5H2, SNAT and ASMT were investigated by qRT-PCR. Among them, expression level of PacTDC, PacASMT, PacT5H1 and PacSNAT was positively related to the accumulation of melatonin. This study provides new information on melatonin synthesis in plants, especially in sweet cherry.
© The Authors, published by EDP Sciences 2020
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