Molecular characterization of insulin-like androgenic gland hormone-binding protein gene from the oriental river prawn Macrobrachium nipponense and investigation of its transcriptional relationship with the insulin-like androgenic gland hormone gene
文献类型: 外文期刊
作者: Li, Fajun 1 ; Bai, Hongkun 1 ; Xiong, Yiwei 3 ; Fu, Hongtuo 1 ; Jiang, Sufei 3 ; Jiang, Fengwei 1 ; Jin, Shubo 3 ; Sun, S 1 ;
作者机构: 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China
2.Weifang Univ Sci & Technol, Shouguang 262700, Peoples R China
3.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Wuxi 214081, Peoples R China
4.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Ge
关键词: Macrobrachium nipponense;Insulin-like androgenic gland hormone-binding protein gene;Insulin-like androgenic gland hormone gene;RNA interference
期刊名称:GENERAL AND COMPARATIVE ENDOCRINOLOGY ( 影响因子:2.822; 五年影响因子:2.772 )
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收录情况: SCI
摘要: Insulin-like androgenic gland hormone-binding protein (IAGBP) has been investigated in crustaceans in vitro. However, the relationship between IAGBP and its putative binding protein partner insulin-like androgenic gland hormone (IAG) has not been studied at the transcriptional level in vivo. In the current study, we cloned the full-length cDNA of IAGBP from the oriental river prawn Macrobrachium nipponense (Mn-IAGBP) and investigated the transcriptional patterns of Mn-IAGBP and the M. nipponense TAG gene (Mn-IAG) at different developmental stages and in different tissues. Mn-IAGBP mRNA was detected in all examined tissues from adult male prawns, with the highest transcriptional levels in the testis. Mn-IAG mRNA was detected in the androgenic gland and hepatopancreas. The genomic sequences of Mn-IAGBP and Mn-IAG were isolated by genome walking and two gene copies were found in both Mn-IAGBP and Mn-IAG. The relationship between Mn-IAGBP and Mn-IAG at the transcriptional level was studied by RNA interference. Injection of Mn-IAGBP double-stranded RNA (dsRNA) significantly reduced the transcription of Mn-IAG, while injection of Mn-IAG dsRNA significantly reduced the transcription of Mn-IAGBP in testis, muscle, androgenic gland, and hepatopancreas. These results demonstrate the involvement of the IAGBP gene in JAG signaling in M. nipponense. (C) 2014 Elsevier Inc. All rights reserved.
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