Effect of low temperature freezing injury on physiological and biochemical characteristics of Vicia faba at the seedling stage and RAP-PCR fingerprint analysis
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DOI:10.7606/j.issn.1000-7601.2011.04.02
Key Words: cold stress  freezing injury  RAP-PCR  Vicia faba
Author NameAffiliation
CHEN Zhiyuan College of Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China
College of life Science, Northwest A & F University, Yangling, Shaanxi 712100, China 
WANG Guodong College of Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China 
DI Lijun College of Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China 
WU Yongjun College of life Science, Northwest A & F University, Yangling, Shaanxi 712100, China 
YANG Jiaye College of life Science, Northwest A & F University, Yangling, Shaanxi 712100, China 
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Abstract:
      Protein content, proline, reduced glutathione, malondialdehyde of Vicia faba at seedling stage were measured in 0℃, RAP-PCR fingerprint analysis was conducted and chilling damage-resistance gene segments were cloned. The results showed that proline increased with the time at 0℃, reduced glutathione decreased with th e time, protein content increased first but decreased then, and malondialdehyde stayed at a steady level after freezing injury. Eight chilling damage-resistance genes were identified with 8 random primers and RAP-PCR, and four of them were successfully cloned.