Journal
JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume 36, Issue 4, Pages 1408-1416Publisher
SCIENCE PRESS
DOI: 10.1007/s00343-018-7063-3
Keywords
molluscs; shell coloration; differentially expressed genes; gene ontology
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Funding
- China Agriculture Research System [CARS-49]
- Science and Technology Service Network Initiative of Chinese Academy of Sciences
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Molluscan shell color has received persistent attention for its distinctive diversity and complexity. In the present study, six transcriptome libraries obtained from two developmental stages, pre-pigmentation and post-pigmentation, were used for paired-end sequencing in the bay scallop Argopecten irradians. In total, 289 839 646 paired-end reads were assembled into 70 929 transcripts. Using BLASTX and BLASTN, 30 896 unigenes were successfully annotated against the SWISS-PROT, NR, and KOG database. Gene ontology annotation and Kyoto Encyclopedia of Genes and Genomes classification identified numbers of unigenes involved in biomineralization and pigmentation. Digital gene expression analysis revealed that melanin, trace metal elements and porphyrins are potentially involved in shell coloration of A. irradians.
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