不同品种小麦叶片光合膜PS Ⅰ和PS Ⅱ颗粒光合特性及多肽组分比较  

A comparative study on photosynthetic characteristics and polypeptide composition of PSⅠ and PSⅡparticles in different wheat varieties

作　　者：陈国祥[1,2] 张荣铣[1,2] 魏锦城[1,2] 何兵 肖丽[1,2] 蒋平[1,2] 

机构地区：[1]南京师范大学生物系 [2]南京农业大学农学系

出　　处：《南京农业大学学报》1998年第2期7-10,共4页Journal of Nanjing Agricultural University

摘　　要：比较分析了小麦化杀型杂交种麦优４号及其父本扬麦１５８和对照品种扬麦５号的叶片光合膜ＰＳⅠ和ＰＳⅡ颗粒荧光发射光谱、电子传递活性及多肽组分。研究结果表明：杂种麦优４号ＰＳⅠ和ＰＳⅡ颗粒具较高的电子传递活性，其光合膜ＰＳⅡ室温荧光发射光谱峰值明显高于其它品种；ＰＳⅡ多肽组分间不存在明显差异，但ＰＳⅠ颗粒的多肽却存在区别。A comparative study was undertaken on the photosynthetic characteristics and polypeptide composition of PSⅠ, PSⅡ particles of hybrid wheat Maiyou 4 and its male parent (Yangmai 158) and CK Yangmai 5 PSⅡ and PSⅠ110 particles were prepared from the flagleaf of wheat. The results showed that PSⅡ, PSⅠ110 particles in Maiyou 4 had higher electrontransport activity. The fluorescence spectrum of PSⅡ particles showed that Maiyou 4 was more captable for fluorescence emission than that of Yangmai 158 and Yangmai 5. Further experiment demonstrated that the polypeptide composition of PSⅡ particles in Maiyou 4 was basically the same as that in Yangmai 158 and Yangmai 5. But there was difference in polypeptide composition of PSⅠ particles in different wheat varieties.

关 键 词：小麦 光系统Ⅰ 荧光发射光谱 多肽 光合特性 

分 类 号：S512.101[农业科学—作物学]