青藏高原不同海拔地区唐古特山莨菪叶片光合色素含量和抗氧化酶活性的比较研究
Comparison of Photosynthetic Pigment Contents and Antioxidase Activity of Anisodus tanguticus from Different Leaf Layers Grown at Two Altitudes Level in Qinghai-Tibet Plateau
查看参考文献33篇
|
文摘
|
以青藏高原东北隅的西宁和海北（海拔分别为2 300 m和3 200 m）人工栽培唐古特山莨菪为材料,对两不同海拔地区间各叶层叶片光合色素含量和抗氧化酶活性等生理指标进行比较分析.结果显示：（1）生长在海北的唐古特山莨菪叶片厚度极显著高于西宁（P〈0.01）,且两地区植物的叶片厚度从第1层到第4层均呈显著增加趋势;海北唐古特山莨菪叶片的叶绿素a、叶绿素b、总叶绿素、类胡萝卜素含量以及紫外吸收物质的含量均显著高于西宁地区（P〈0.05）,从第1层到第4层,两地植株叶片的光合色素和紫外吸收物质的含量都呈降低的趋势,且两地区间差异显著;叶绿素a/b的层间差异显著（P〈0.05）,但两海拔地区间差异不显著;类胡萝卜素/叶绿素比值海北高于西宁,从第1层到第4层叶片呈降低趋势.（2）生长于海北的唐古特山莨菪叶片组织中的SOD、CAT活性和MDA含量比西宁的高,POD、APX则相反;从第1层叶片到第4层,西宁和海北唐古特山莨菪叶片中的SOD活性显著增高（P〈0.05）,但两地区各层间的CAT、POD、APX活性和MDA含量无明显的变化.研究表明,不同海拔对唐古特山莨菪叶片的生理特性有影响,同一海拔不同叶层叶片之间差异也较为明显;生长在高海拔地区的植物尽管表现出诸多生理适应特征,但膜系统依然有一定受损. |
|
其他语种文摘
|
The four-year-old Anisodus tanguticus from two different altitudes （Xining and Haibei,altitude is 2 300 m and 3 200 re,respectively） was used to compare the physiological difference among different leaf layers. The results showed that leaf thickness was significantly thicker from Haibei than those from Xining （P（0.01）,and it continuously increased from top canopy leaf determined as the first layer to the lower leaf of the fourth layer. The contents of Chl a, Chl b, total chlorophyll, carotenoids and UV-absorbing compounds were higher in the leaves from Haibei than those from Xining （P〈0.05） ,and the contents of photosynthetic pigment and UV-absorbing compounds in the leaves showed a decreasing trend from the first layer to the fourth layer in Xining and Haibei. The ratio of Chl a/Chl b showed a decreasing trend from the first layer to the fourth layer （P〈0.05） ,but there was no significant difference between Xining and Haibei. The ratio of Car/Chl in Haibei was higher than that in Xining and there was a decreasing trend from the first layer to the fourth layer. The activities of SOD and CAT and the content of MDA in the leaves from Haibei were higher than those from Xining. Contrariwise,the activities of POD and APX were lower. The activity of SOD increased from the first layer to the fourth layer,but there was no significant difference in the activities of CAT,POD,APX and MDA contents among four layers. It was obvious that there was difference in the physiological activity of A. tanguticus leaves not only at different altitudes but also among different leaf layers at the same altitude. Although the plants in the high-altitude area had lots of physiological adaptation, the membrane system suffered a certain injury. |
|
来源
|
西北植物学报
,2008,28(9):1778-1786 【核心库】
|
|
关键词
|
青藏高原
;
唐古特山莨菪
;
光合色素
;
抗氧化酶
;
紫外吸收物质
|
|
地址
|
中国科学院西北高原生物研究所, 中科院高原生物适应与进化重点实验室, 青海, 西宁, 810001
|
|
语种
|
中文 |
|
文献类型
|
研究性论文 |
|
ISSN
|
1000-4025 |
|
学科
|
植物学 |
|
基金
|
国家自然科学基金
;
国家科技部国际合作重点项目
;
中国科学院知识创新工程项目
|
|
文献收藏号
|
CSCD:3396651
|
参考文献 共
33
共2页
|
|
1.
陈少裕. Memberane lipid peroxidation and plant stress.
植物学通报,1997,14(2):1-8
|
CSCD被引
2
次
|
|
|
|
|
2.
师生波. 增强UV-B辐射对高山植物麻花艽净光合速率的影响.
植物生态学报,2001,25(5):520-524
|
CSCD被引
45
次
|
|
|
|
|
3.
何涛. 不同海拔火绒草光合特性的研究.
西北植物学报,2005,25(12):2519-2523
|
CSCD被引
16
次
|
|
|
|
|
4.
李钧敏. 不同海拔高度大血藤群体遗传多样性的RAPD分析及其与环境因子的相关性.
生态学报,2004,24(3):567-573
|
CSCD被引
17
次
|
|
|
|
|
5.
颜廷芬. 长白红景天天然种群遗传多样性及遗传分化.
植物研究,1999,19(2):189-194
|
CSCD被引
7
次
|
|
|
|
|
6.
戴怡龄. 寒区不同海拔橘黄罂粟叶片结构特征的比较研究.
西北植物学报,2004,24(3):495-503
|
CSCD被引
13
次
|
|
|
|
|
7.
何涛. 不同海拔火绒草叶绿体超微结构的比较.
云南植物研究,2005,27(6):639-643
|
CSCD被引
19
次
|
|
|
|
|
8.
李芳兰. 岷江上游干旱河谷海拔梯度上白刺花叶片生态解剖特征研究.
应用生态学报,2006,17(1):5-10
|
CSCD被引
42
次
|
|
|
|
|
9.
韩发. 青藏高原不同海拔矮蒿草抗氧化系统的比较.
西北植物学报,2003,23(9):1491-1496
|
CSCD被引
21
次
|
|
|
|
|
10.
汪晓峰. 四裂红景天与长鳞红景天叶片中抗氧化系统随海拔梯度的变化.
植物生态学报,2005,29(2):331-337
|
CSCD被引
15
次
|
|
|
|
|
11.
周党卫. 不同海拔珠芽蓼抗氧化系统的研究.
应用与环境生物学报,2003,9(5):489-492
|
CSCD被引
31
次
|
|
|
|
|
12.
ARNON D I. Copper enzymes in isolated chloroplasts;polyphenoloxidase in Beta vulgaris.
Plant Physiology,1949,24(3):1-15
|
CSCD被引
1275
次
|
|
|
|
|
13.
朱广廉.
植物生理学实验,1990:51-54
|
CSCD被引
191
次
|
|
|
|
|
14.
CALDWELL M M. Solar ultraviolet radiation as an ecological factor for alpine plants.
Ecological Monographs,1968,38:243-267
|
CSCD被引
16
次
|
|
|
|
|
15.
GIANNOPOLITIS C N. Superoxide dismutase Ⅱ Purification and quantitative relationship with water soluble protein in seedlings.
Plant Physiology,1997,59:315-318
|
CSCD被引
40
次
|
|
|
|
|
16.
ORMAN R G. Peroxide levels and the activities of catalase peroxidase and indoleacetic acid oxidase during and after chilling cucumber seedlings.
Plant Physiology,1980,65:407-408
|
CSCD被引
19
次
|
|
|
|
|
17.
CHANCE B. Assay of catalase and perxidase.
Methods Enzymol,1955,2:764-775
|
CSCD被引
308
次
|
|
|
|
|
18.
中国科学院上海植物生理研究所.
植物生理实验指南,1999:315-317
|
CSCD被引
1
次
|
|
|
|
|
19.
BRADFORD M M. A rapid and sensitive method for the quantization of microgram quantities of protein utilizing the principle of protein dye binding.
Anal Biochem,1976,72:248
|
CSCD被引
7667
次
|
|
|
|
|
20.
RAERI A. Gultathioe-ascorbic acid cycle in pumplein plants grown under polluted air in open-up chambers.
Plant Physiology,1993,142(3):286-290
|
CSCD被引
4
次
|
|
|
|
|
了解气象卫星更多信息，请访问