Sequence-related amplified polymorphism markers related to stress resistance traits in “Huanghai No.1” Fenneropenaeus chinensis
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1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences2. College of Fisheries and Life Science, Shanghai Ocean University3. Changyi Haifeng Aquaculture Co., Ltd

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S96

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    Abstract:

    The sequence-related amplified polymorphism (SRAP) molecular marker technique and BSA were used to Fenneropenaeus chinensis. The markers, which were based on differences between sensitive and tolerant samples, will be used to provide information and tools for the protection of the germplasm resource and for molecular marker-assisted breeding. We used 110 SRAP primers to screen for molecular markers. We selected 77 and 102 SRAP primers to screen ammonia nitrogen and pH-BSA gene pools, respectively. According to the frequency and pattern of bands in the samples, six markers associated with resistance to high ammonia nitrogen were selected; one from sensitive samples and five from tolerant samples. These markers ranged in length from 166 to 571 bp. Similarly, seven markers associated with resistance to high pH were selected; two from sensitive samples and five from tolerant samples. These 13 genetic markers were cloned into the pMD-18T vector, transformed into TOP10, and sequenced. The sequence data has been submitted to GenBank under the accession numbers GU570681–GU570693. Sequence and BLAST analyses showed that there was low similarity (<15%) between the markers and known functional genes, indicating that these markers are tightly linked to stress resistant traits but are not functional genes. Further research has been carried out to validate these results. These markers can be used to screen for stress resistance traits in

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陈华增,李健,王清印,何玉英,李吉涛,戴芳钰,王学忠. “黄海1号”中国明对虾抗逆性状SRAP标记[J]. Jounal of Fishery Sciences of China, 2011,[volume_no](6):0-

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  • Received:
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  • Online: November 12,2011
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