植物中褪黑素的研究进展
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引用本文:赵 燕,王东华,赵曦阳.植物中褪黑素的研究进展[J].西北植物学报,2014,34(1):196~205
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作者单位
赵 燕1,2,3,王东华1,赵曦阳2 (1 中国农业科学院农业质量标准与检测技术研究所,北京 100081
2 林木遗传育种国家重点实验室,东北林业大学,哈尔滨 150040
3 中国科学院过程工程研究所,北京 100190) 
基金项目:林木遗传育种国家重点实验室(东北林业大学)开放基金项目(201204)
中文摘要:植物褪黑素自20世纪90年代被发现以来,初期的研究多为测定方法,而后褪黑素生理功能的研究成为热点。植物中褪黑素含量的测定方法有放射免疫测定(RIA)、高效液相色谱(HPLC)、气相色谱(GC)、高效液相色谱-质谱(HPLC-MS)和气相色谱-质谱(GC-MS)等,而高效液相色谱与荧光检测器(HPLC-FD)和电化学检测器(HPLC-EC)联用是植物中褪黑素定量研究的较常用方法。褪黑素含量因植物种类、器官不同而异,并以繁殖器官种子和花中较高。褪黑素在植物中具有调节光周期、促进植物种子萌发及生根、提高植物抵御外界环境压力如重金属、紫外辐射、温度变化等功能,而这些生理功能的作用机制、合成位点等尚待进一步研究。该文对国内外近年来有关褪黑素在植物中的检测方法、生物合成途径及生理功能等几个方面的研究进展进行综述,并提出今后的研究方向。
中文关键词:褪黑素  植物  生理功能  检测  综述
 
Recent Advance on the Melatonin in Plant
Abstract:Melatonin was firstly found in plants in 1990s.In recent years,the related research on it attracted the attention of many scholars.There were many studies focusing on the content detection method of melatonin in plant,and the physiological function of melatonin in plant was also reported recently.Various methods of melatonin determination were employed for plant samples.The analysis methods included RIA,HPLC,GC,HPLC-MS and GC-MS.Among several methods,HPLC-FD and HPLC-ECD were commonly used to quantify melatonin in plants.The content of melatonin varied in different plant species and organs.Higher content of melatonin was found in seeds and flowers.Nowadays,melatonin was shown to act as a plant growth regulator that directs the differentiation of plant cells,tissues,and organs.It also appears to protect plants against environmental stress from heavy metals,UV radiation,and temperature change.However,the mechanism of its function in plants and the exact synthetic site need to be further investigated.The present paper reviewed some aspects of melatonin in plant:detection,biological synthesis and physiological functions.The potential subjects of melatonin in plant were also proposed.
keywords:melatonin  plant  physiological function  detection  review
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