激光生物学报摘要, 更新时间: 2007年4月29日
  由美国生科集团 (BVTech, Inc.) 主办
  
CO2加富对丹尼斯凤梨(Guzmania 'Denise')叶片显微超微结构的影响
激光生物学报摘要 2007-2

惠俊爱 叶庆生* (广东省植物发育生物工程重点实验室，华南师范大学生命科学学院，广州510631 )

摘 要：对CO2大气浓度(CK: 360±30μmol·mol-1)和CO2加富(T1: 600±40μmol·mol-1，T2: 900±40μmol·mol-1)条件下，丹尼斯凤梨(Guzmania 'Denise')叶片的显微超微结构等进行了比较研究。在透射电镜下的观测结果表明：CO2加富可促进丹尼斯凤梨叶片叶肉厚度的增加，叶绿体与叶绿体中淀粉粒数量增多、体积增大，而叶绿体光合膜的结构却受到很大破坏。


The Effects of Elevated CO2 on the Microstructure and Ultrastructure of Leaves in Guzmania 'Denise'

HUI Jun-ai, YE Qing-sheng* (1.Guang Dong Key Lab of Biotechnolgy for Plant Development, College of Life Science, South China Normal University, Guangdong Guangzhou 510631, China; 2. College of Gardening and Horticulture,Yangtze University, Jingzhou 434025, Hubei, China)

Abstract: The effects of CO2 concentration on the microstructure and ultrastructure of the leaves in Guzmania 'Denise' were compared following the exposure to ambient CO2 (CK: 360±30μmol·mol-1) and elevated (T1: 600±40μmol·mol-1, T2: 900±40μmol·mol-1) carbon dioxide concentration. The results indicated that under elevated CO2 concentration, the thickness of mesophyll cell, the numbers and size of chloroplast were increased obviously in treatment of elevated CO2 concentration, so as the starch grain of the chloroplast. But the ultrastructure of photosynthetic membrane in chloroplast was damaged.


 

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