Gene expression profiling of resistant and susceptible Bombyx mori strains reveals nucleopolyhedrovirus-associated variations in host gene transcript levels
文献类型: 外文期刊
作者: Bao, Yan-Yuan;Tang, Xu-Dong;Lv, Zu-Yao;Tian, Cai-Hong;Xu, Yi Peng;Zhang, Chuan-Xi;Wang, Xiu-Ye
作者机构:
关键词: Suppression subtractive hybridization;BmNPV;Bornbyx mori;Antiviral response
期刊名称: GENOMICS
ISSN: 0888-7543
年卷期: 2009 年 94 卷 2 期
页码:
收录情况: SCI
摘要: We investigated variations in the gene expression of Bombyx mori following infection with a nucleopolyhedrovirus (BmNPV). Two B. mori strains, KN and 306, which are highly resistant and susceptible to BmNPV infection, respectively, were used in this Study. The infection profiles of BmNPV in the B. mori KN and 306 larvae revealed that the virus invaded the midguts of both these strains. However, its proliferation was notably inhibited in the midgut of the resistant strain. By using the suppression subtractive hybridization method, two cDNA libraries were constructed in order to compare the BmNPV responsive gene expressions between the two silkworm lines. In total, 62 differentially expressed genes were obtained. Real-time qPCR analysis confirmed that eight genes were significantly up-regulated in the midgut of the M strain following BmNPV infection. Our results imply that these up-regulated genes may be involved in the B. mori immune response against BmNPV infection. (C) 2009 Elsevier Inc. All rights reserved.
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