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Eyes of differing colors in Alvinocaris longirostris from deep-sea chemosynthetic ecosystems: genetic and molecular evidence of its formation mechanism
Xin, Qian1,2,4; Hui, Min1,2; Li, Chaolun1,2,3; Sha, Zhongli1,2,3
2020-05-09
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Pages15
Corresponding AuthorSha, Zhongli(shazl@qdio.ac.cn)
AbstractColoration is an important phenotypic trait for multiple adaptive functions. It is interesting to find white-eye (AW) and orange-eye (AO) phenotypes in the shrimp Alvinocaris longirostris inhabiting the deep-sea cold seep and hydrothermal vent areas of the northwestern Pacific. By comparative transcriptome analyses, 1 491 differentially expressed genes (DEGs) were identified between AW and AO. Among them, many DEGs were associated with immunity, antioxidation, and detoxification. Two significant enzyme encoding genes, xanthine dehydrogenase, and tryptophan oxidase involved in pigment biosynthesis pathways were up-regulated in AW and AO, respectively, which might be related to the differences of white and orange eye phenotypes. Moreover, single nucleotide polymorphism (SNP) calling detected that genotypes of 28 SNP distributing in 14 unigenes were completely different between AW and AO. Particularly, there were three and two non-synonymous mutations in immune genes crustin Pm5 and antimicrobial peptide, respectively. Results indicate that the difference in eye color is probably resulted from immune response to variable micro-environmental stressors encountered in the dispersal process of the shrimps, such as symbiotic microbes, pathogens, and toxic substances, and might be genetically fixed at last. The suggested pathway preliminarily explained the formation mechanism of different eye phenotypes in Alvinocaridid shrimps, providing a basis for further study on adaptive evolution of eyes in deep-sea chemosynthetic faunas.
Keywordalvinocaridid shrimps cold seep and hydrothermal vent differentially expressed genes eye color single nucleotide polymorphism (SNP) mutation transcriptome
DOI10.1007/s00343-020-9312-5
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2018YFC0310802] ; National Natural Science Foundation of China[31872215] ; Senior User Project of R/V Kexue[KEXUE2019GZ02] ; Strategic Priority Research Program of the Chinese Academy of Sciences (CAS)[XDA22050302] ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-DQC036]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000531220300007
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167425
Collection中国科学院海洋研究所
Corresponding AuthorSha, Zhongli
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xin, Qian,Hui, Min,Li, Chaolun,et al. Eyes of differing colors in Alvinocaris longirostris from deep-sea chemosynthetic ecosystems: genetic and molecular evidence of its formation mechanism[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2020:15.
APA Xin, Qian,Hui, Min,Li, Chaolun,&Sha, Zhongli.(2020).Eyes of differing colors in Alvinocaris longirostris from deep-sea chemosynthetic ecosystems: genetic and molecular evidence of its formation mechanism.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,15.
MLA Xin, Qian,et al."Eyes of differing colors in Alvinocaris longirostris from deep-sea chemosynthetic ecosystems: genetic and molecular evidence of its formation mechanism".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2020):15.
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