Precursors of several peptides that act as modulators of neuromuscular activity in A.
Precursors of neuropeptides that have thus far only been identified in echinoderms were identified, including L- and F-type SALMFamides, AN peptides and others. Many of the precursors identified contain homologs of neuropeptides that have been identified in other bilaterian animals. Furthermore, analysis of genomic sequence data enabled identification of the location of neuropeptide precursor genes on genomic scaffolds and linkage groups (chromosomes) and determination of gene structure. We identified 44 transcripts encoding neuropeptide precursors or putative neuropeptide precursors, and in some instances neuropeptides derived from these precursors were confirmed by mass spectrometry. japonicus, here we have analysed genomic and transcriptomic sequence data and proteomic data to identify neuropeptide precursors and neuropeptides in this species. To facilitate more comprehensive investigations of neuropeptide function in A. One of the major classes of molecules that regulate physiology and behaviour in animals are neuropeptides, and a few bioactive peptides have already been identified in A. japonicus, including processes such as aestivation, evisceration, regeneration and albinism.
Therefore, we need to learn more about the biology of A. However, there are challenges associated with optimization of reproduction, feeding and growth in non-natural environments. It is at the heart of a multibillion-dollar industry and to meet demand for this product, aquaculture methods and facilities have been established. The sea cucumber Apostichopus japonicus is a foodstuff with very high economic value in China, Japan and other countries in south-east Asia.
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