Abstract:
:Hemocyanin is a respiratory protein that possesses multiple physiological and immunological functions in shrimp. However, the transcriptional regulation of the hemocyanin gene is still poorly understood. Here, the nuclear receptor E75 of Litopenaeus vannamei (LvE75) was identified as one of the transcriptional regulators that modulates the transcription of the small molecular weight hemocyanin gene of L. vannamei (LvHMCs) by inhibiting its core promoter activity in a Dual-luciferase assay. In silico analysis revealed that the core promoter (designated HsP3), which is located at +1517/+1849 bp of LvHMCs contained a putative E75 binding motif ("ACGGAAT", spanning +1812/+1818 bp). Further, LvE75 was shown to inhibit the core promoter activity by direct binding. Importantly, in vivo silencing of LvE75 resulted in a significant upregulation in the mRNA and protein expression of LvHMCs gene. Taken together, our present results provide direct evidence that LvE75 is a transcriptional suppressor of the LvHMCs gene expression.
journal_name
Dev Comp Immunoljournal_title
Developmental and comparative immunologyauthors
Zhang Z,Yao D,Yang P,Zheng Z,Aweya JJ,Lun J,Ma H,Zhang Ydoi
10.1016/j.dci.2020.103662subject
Has Abstractpub_date
2020-06-01 00:00:00pages
103662eissn
0145-305Xissn
1879-0089pii
S0145-305X(20)30038-0journal_volume
107pub_type
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