Identification of multifunctionality of the PmE74 gene and development of SNPs associated with low salt tolerance in Penaeus monodon
文献类型: 外文期刊
第一作者: Si, Meng-Ru
作者: Si, Meng-Ru;Li, Yun-Dong;Jiang, Shi-Gui;Jiang, Song;Yang, Li-Shi;Huang, Jian-Hua;Chen, Xu;Zhou, Fa-Lin;Si, Meng-Ru;Li, Yun-Dong;Jiang, Shi-Gui;Yang, Qi-Bin;Zhou, Fa-Lin
作者机构:
关键词: Penaeus monodon; Ecdysone-induced protein E74 (PmE74); Immune and stress; RNAi; SNP
期刊名称:FISH & SHELLFISH IMMUNOLOGY ( 影响因子:4.622; 五年影响因子:4.799 )
ISSN: 1050-4648
年卷期: 2022 年 128 卷
页码:
收录情况: SCI
摘要: Members of the E74-like factor (ELF) subfamily are involved in the immune stress process of organisms by regulating immune responses and the development of immune-related cells. PmE74 of Penaeus monodon was characterized and functionally analyzed in this study. The full length of PmE74 was 3106 bp, with a 5'-UTR of 297 bp, and a 3'-UTR of 460 bp. The ORF (Open reading frame) was 2349 bp and encoded 782 amino acids. Domain analysis showed that PmE74 contains a typical Ets domain. Multiple sequence alignment and phylogenetic tree analysis showed that PmE74 clustered with Litopenaeus vannamei E74 and displayed significant similarity (98.98%). PmE74 was expressed in all tissues tested in P. monodon, with the highest levels of expression observed in the testis, intestine, and epidermis. Different pathogen stimulation studies have revealed that PmE74 expression varies in response to different pathogen stimuli. A 96-h acute low salt stress study revealed that PmE74 in the hepatopancreas was upregulated and downregulated in the salinity 17 group and considerably downregulated in the salinity 3 group, whereas PmE74 in gill tissue was considerably downregulated in both groups. Further, by knocking down PmE74 and learning the trends of its linkage genes PmAQP1, PmNKA, PmE75, PmFtz-f1, PmEcR, and PmRXR in response to low salt stress, it was further indicated that PmE74 could have a vital role in the regulation of low salt stress. The SNP test revealed that PmE74-In1-53 was significantly associated with low salt tolerance traits in P. monodon (P < 0.05). The findings of this study can aid in the advancement of molecular marker-assisted breeding in P. monodon, as well as provide fundamental data and methodologies for further investigation of its low salt tolerance strains in P. monodon.
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