Molecular bioinformatic and functional analysis of Enolase4 gene during siphonal autotomy and regeneration of razor clam Solen grandis

For the razor clam Solen grandis, siphonal autotomy and regeneration is a necessary means of facing external stress, which is accompanied by a large amount of energy consumption. To explore the function of the ENO4 gene in the siphonal autotomy and regeneration of S. grandis, the full-length cDNA of...

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Main Authors: Zhidong Zhang, Xuefeng Sun, Aihua Chen, Jiaxin Yang, Suhua Chen, Yu Zhang, Yi Cao, Yuheng Peng, Yanqing Zhu, Yangping Wu
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-08-01
Series:Frontiers in Marine Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmars.2023.1195253/full
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author Zhidong Zhang
Xuefeng Sun
Xuefeng Sun
Aihua Chen
Jiaxin Yang
Suhua Chen
Yu Zhang
Yi Cao
Yuheng Peng
Yanqing Zhu
Yanqing Zhu
Yangping Wu
author_facet Zhidong Zhang
Xuefeng Sun
Xuefeng Sun
Aihua Chen
Jiaxin Yang
Suhua Chen
Yu Zhang
Yi Cao
Yuheng Peng
Yanqing Zhu
Yanqing Zhu
Yangping Wu
author_sort Zhidong Zhang
collection DOAJ
description For the razor clam Solen grandis, siphonal autotomy and regeneration is a necessary means of facing external stress, which is accompanied by a large amount of energy consumption. To explore the function of the ENO4 gene in the siphonal autotomy and regeneration of S. grandis, the full-length cDNA of the ENO4 in S. grandis was cloned and characterized. The full-length cDNA of SgENO4 was 2,773 base pairs (bp), with an 1,851 bp coding sequence (CDS) encoding 616 amino acids. ​Bioinformatic analysis revealed a slightly lower codon usage bias and a relatively stable nucleotide composition in the SgENO4 sequence. Three conserved motifs were found from the SgENO4 sequence. These conserved motifs vary in length from 14 to 27 amino acids. Moreover, in the siphonal pre-autotomy of razor clams, expression level of the SgENO4 gene was significantly higher in the hepatopancreas and siphonal base than other tissues (P < 0.05). However, the expression of the SgENO4 gene in the siphonal base decreased significantly in the siphonal post-autotomy 7 hours and gradually recovered as the regeneration process continued. ​Linear correlation analysis showed that there was a significant linear correlation between specific weight of siphon and relative expression levels of SgENO4 (R2 = 0.826). RNA interference (RNAi) result showed that the specific weight (the proportion of siphonal weight to body weight) is significantly lower than other groups on the seventh day (P < 0.05), suggesting that interfering with the expression of the SgENO4 gene could inhibit the siphonal regeneration of S. grandis. These results further demonstrate that SgENO4 is a conserved sequence and that it plays a crucial role in the siphonal autotomy and regeneration of S. grandis, advancing further understanding in exploring molecular mechanisms in the siphonal autotomy and regeneration.
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spelling doaj.art-17b2cc93e6504e30ac573ff643d0865c2023-08-11T22:16:23ZengFrontiers Media S.A.Frontiers in Marine Science2296-77452023-08-011010.3389/fmars.2023.11952531195253Molecular bioinformatic and functional analysis of Enolase4 gene during siphonal autotomy and regeneration of razor clam Solen grandisZhidong Zhang0Xuefeng Sun1Xuefeng Sun2Aihua Chen3Jiaxin Yang4Suhua Chen5Yu Zhang6Yi Cao7Yuheng Peng8Yanqing Zhu9Yanqing Zhu10Yangping Wu11Jiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaJiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaCollege of Marine Science and Engineering, Nanjing Normal University, Nanjing, Jiangsu, ChinaJiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaCollege of Marine Science and Engineering, Nanjing Normal University, Nanjing, Jiangsu, ChinaJiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaJiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaJiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaJiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaJiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaCollege of Marine Science and Engineering, Nanjing Normal University, Nanjing, Jiangsu, ChinaJiangsu Marine Economic Shellfish Research & Development Center, Marine Fisheries Research Institute of Jiangsu Province, Nantong, Jiangsu, ChinaFor the razor clam Solen grandis, siphonal autotomy and regeneration is a necessary means of facing external stress, which is accompanied by a large amount of energy consumption. To explore the function of the ENO4 gene in the siphonal autotomy and regeneration of S. grandis, the full-length cDNA of the ENO4 in S. grandis was cloned and characterized. The full-length cDNA of SgENO4 was 2,773 base pairs (bp), with an 1,851 bp coding sequence (CDS) encoding 616 amino acids. ​Bioinformatic analysis revealed a slightly lower codon usage bias and a relatively stable nucleotide composition in the SgENO4 sequence. Three conserved motifs were found from the SgENO4 sequence. These conserved motifs vary in length from 14 to 27 amino acids. Moreover, in the siphonal pre-autotomy of razor clams, expression level of the SgENO4 gene was significantly higher in the hepatopancreas and siphonal base than other tissues (P < 0.05). However, the expression of the SgENO4 gene in the siphonal base decreased significantly in the siphonal post-autotomy 7 hours and gradually recovered as the regeneration process continued. ​Linear correlation analysis showed that there was a significant linear correlation between specific weight of siphon and relative expression levels of SgENO4 (R2 = 0.826). RNA interference (RNAi) result showed that the specific weight (the proportion of siphonal weight to body weight) is significantly lower than other groups on the seventh day (P < 0.05), suggesting that interfering with the expression of the SgENO4 gene could inhibit the siphonal regeneration of S. grandis. These results further demonstrate that SgENO4 is a conserved sequence and that it plays a crucial role in the siphonal autotomy and regeneration of S. grandis, advancing further understanding in exploring molecular mechanisms in the siphonal autotomy and regeneration.https://www.frontiersin.org/articles/10.3389/fmars.2023.1195253/fullSolen grandisSgENO4 generegenerationsiphonautotomy
spellingShingle Zhidong Zhang
Xuefeng Sun
Xuefeng Sun
Aihua Chen
Jiaxin Yang
Suhua Chen
Yu Zhang
Yi Cao
Yuheng Peng
Yanqing Zhu
Yanqing Zhu
Yangping Wu
Molecular bioinformatic and functional analysis of Enolase4 gene during siphonal autotomy and regeneration of razor clam Solen grandis
Frontiers in Marine Science
Solen grandis
SgENO4 gene
regeneration
siphon
autotomy
title Molecular bioinformatic and functional analysis of Enolase4 gene during siphonal autotomy and regeneration of razor clam Solen grandis
title_full Molecular bioinformatic and functional analysis of Enolase4 gene during siphonal autotomy and regeneration of razor clam Solen grandis
title_fullStr Molecular bioinformatic and functional analysis of Enolase4 gene during siphonal autotomy and regeneration of razor clam Solen grandis
title_full_unstemmed Molecular bioinformatic and functional analysis of Enolase4 gene during siphonal autotomy and regeneration of razor clam Solen grandis
title_short Molecular bioinformatic and functional analysis of Enolase4 gene during siphonal autotomy and regeneration of razor clam Solen grandis
title_sort molecular bioinformatic and functional analysis of enolase4 gene during siphonal autotomy and regeneration of razor clam solen grandis
topic Solen grandis
SgENO4 gene
regeneration
siphon
autotomy
url https://www.frontiersin.org/articles/10.3389/fmars.2023.1195253/full
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