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The Scientific World Journal - Volume 2014 2014, Article ID 619746, 7 pages -

Research Article

Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, State Key Laboratory of Applied Microbiology South China, Guangdong Institute of Microbiology, Guangzhou 510070, China

Department of Biology, Chengdu Normal University, Chengdu 611130, China

Received 20 January 2014; Revised 22 May 2014; Accepted 23 May 2014; Published 9 June 2014

Academic Editor: Zhaohui Liu

Copyright © 2014 Chengshu Qiu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Hypsizygus marmoreus is an industrialized edible mushroom. In the present paper, the genetic diversity among 20 strains collected from different places of China was evaluated by target region amplification polymorphism TRAP analysis; the common fragment of TRAPs was sequenced and analyzed. Six fixed primers were designed based on the analysis of H. marmoreus sequences from GenBank database. The genomic DNA extracted from H. marmoreus was amplified with 28 TRAP primer combinations, which generated 287 bands. The average of amplified bands per primer was 10.27 mean polymorphism is 69.73%. The polymorphism information content PIC value for TRAPs ranged from 0.32 to 0.50 mean PIC value per TRAP primer combination is 0.48, which indicated a medium level of polymorphism among the strains. A total of 36 sequences were obtained from TRAP amplification. Half of these sequences could encode the known or unknown proteins. According to the phylogenetic analysis based on TRAP result, the 20 strains of H. marmoreus were classified into two main groups.

Autor: Chengshu Qiu, Wenjuan Yan, Wangqiu Deng, Bin Song, and Taihui Li



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