数字农科院2.0

Marker-assisted selection in breeding silkworm strains with high silk production and resistance to the densonucleosis virus

文献类型： 外文期刊

作者： Hou, C. X.;Sun, P. J.;Guo, X. J.;Li, M. W.;Guo, X. J.;Li, M. W.;Huang, Y. P.

作者机构：

关键词： Bombyx mori;Densonucleosis virus;Non-susceptible gene;Marker-assisted selection

期刊名称： GENETICS AND MOLECULAR RESEARCH

ISSN： 1676-5680

年卷期： 2013 年 12 卷 4 期

页码：

收录情况： SCI

摘要： In the silkworm (Bombyx mori), resistance to the Zhenjiang (China) strain of the densonucleosis virus (DNV-Z) is controlled by the recessive gene nsd-Z (non-susceptible to DNV-Z), which is linked to 7 simple-sequence repeat markers. Marker-assisted evaluation and selection of DNV-Z-resistant silkworms were used for predicting DNV-resistance in backcrossed animals. A silkworm race was bred using this method, and its economic characteristics were found to be similar to those of commercial silkworm races. These markers will therefore be useful for silkworm breeding programs and in screening for densonucleosis resistance in segregating populations.

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