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Reponses of Energy Metabolism in Soybean Seed Germination to Acid Rain Stress(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年02期
Page:
243-246
Research Field:
Publishing date:

Info

Title:
Reponses of Energy Metabolism in Soybean Seed Germination to Acid Rain Stress
Author(s):
TAO Yan1PENG Qi1ZHOU Qing12
1School of Environment and Civil Engineering,Jiangnan University,Wuxi 214122,Jiangsu;
2The Key Laboratory of Industrial Biotechnology,Ministry of Education,Jiangnan University,Wuxi 214122,Jiangsu,China
Keywords:
Acid rainSeed germinationEnergy metabolism
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2009.02.0243
Abstract:
In order to explore the effect of acid rain on energy metabolism of soybean seed germination,simulated acid rain of pH value 2.5,4.0 and greenhouses culture method were adopted,and energy metabolism indexes of ATP content,energy charge,CAT activity,mitochondrial activity and respiration rate were determined.ATP content ,and CAT activity showed increase and then decrease trend.Mitochondrial activity showed an increase till the 3rd?day,a decrease,and then remain stable. Respiration rate appeared down-up-down-up trend with the prolonged acid rain stress.ATP content,energy charge ,CAT activity and mitochondria activity were increased with the aggravation of acid rain stress.With the harm of acid rain increased,the respiration and energy metabolism in soybean seed decreased,and acid rain stress intensity and respiratory index of germinating soybean seed showed a dose-response relationship.

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Last Update: 2014-10-03