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Comparison of pigment composition and melanin content among white, light-green, dark-green, and purple morphs of sea cucumber, Apostichopus japonicus
Xing, Lili1,2; Sun, Lina1; Liu, Shilin1; Li, Xiaoni1,2; Miao, Ting3; Zhang, Libin1; Yang, Hongsheng1
2017-12-01
Source PublicationACTA OCEANOLOGICA SINICA
ISSN0253-505X
Volume36Issue:12Pages:45-51
Corresponding AuthorYang, Hongsheng(hshyang@ms.qdio.ac.cn)
AbstractSea cucumber, Apostichopus japonicus (Selenka), is a commercially important marine species in China. Among the differently colored varieties sold in China, white and purple sea cucumbers have the greatest appeal to consumers. Identification of the pigments that may contribute to the formation of different color morphs of sea cucumbers will provide a scientific basis for improving the cultivability of desirable color morphs. In this study, sea cucumbers were divided into four categories according to their body color: white, light green, dark green, and purple. The pigment composition and contents in the four groups were analyzed by high performance liquid chromatography (HPLC). The results show that the pigment contents differed significantly among the white, lightgreen, dark-green, and purple sea cucumbers, and there were fewer types of pigments in white sea cucumber than in the other color morphs. The only pigments detected in white sea cucumbers were guanine and pteroic acid. Guanine and pteroic acid are structural colors, and they were also detected in light-green, dark-green, and purple sea cucumbers. Every pigment detected, except for pteroic acid, was present at a higher concentration in purple morphs than in the other color morphs. The biological color pigments melanin, astaxanthin, beta-carotene, and lutein were detected in light-green, dark-green, and purple sea cucumbers. While progesterone and lycopene, which are also biological color pigments, were not detected in any of the color morphs. Melanin was the major pigment contributing to body color, and its concentration increased with deepening color of the sea cucumber body. Transmission electron microscopy analyses revealed that white sea cucumbers had the fewest epidermal melanocytes in the body wall, and their melanocytes contained fewer melanosomes as well as non-pigmented pre-melanosomes. Sea cucumbers with deeper body colors contained more melanin granules. In the body wall of dark-green and purple sea cucumbers, melanin granules were secreted out of the cell. The results of this study provide evidence for the main factors responsible for differences in coloration among white, light-green, darkgreen, and purple sea cucumbers, and also provide the foundation for further research on the formation of body color in sea cucumber, A. japonicus.
KeywordApostichopus japonicas pigment composition color morphs melanin pigment content
DOI10.1007/s13131-017-1056-5
Indexed BySCI
Language英语
Funding ProjectAgricultural Seed Project of Shandong Province
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000417883300007
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157380
Collection海洋生态与环境科学重点实验室
Corresponding AuthorYang, Hongsheng
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Ocean Univ China, Qingdao 266100, 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
Xing, Lili,Sun, Lina,Liu, Shilin,et al. Comparison of pigment composition and melanin content among white, light-green, dark-green, and purple morphs of sea cucumber, Apostichopus japonicus[J]. ACTA OCEANOLOGICA SINICA,2017,36(12):45-51.
APA Xing, Lili.,Sun, Lina.,Liu, Shilin.,Li, Xiaoni.,Miao, Ting.,...&Yang, Hongsheng.(2017).Comparison of pigment composition and melanin content among white, light-green, dark-green, and purple morphs of sea cucumber, Apostichopus japonicus.ACTA OCEANOLOGICA SINICA,36(12),45-51.
MLA Xing, Lili,et al."Comparison of pigment composition and melanin content among white, light-green, dark-green, and purple morphs of sea cucumber, Apostichopus japonicus".ACTA OCEANOLOGICA SINICA 36.12(2017):45-51.
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