Table 1.
Amino acid sequences of vasopressin/oxytocin-type neuropeptides in species that belong to a variety of bilaterian phyla/sub-phyla.
|
Phylum/ Sub-phylum |
Species (selected peptide names) |
Sequence |
|---|---|---|
| Vertebrata | Homo sapiens (vasopressin) | CYFQNCPRG-NH2 |
| Homo sapiens (oxytocin) | CYIQNCPLG-NH2 | |
| Lethenteron japonicum (vasotocin) | CYIQNCPRG-NH2 | |
| Urochordata | Styela plicata | CYISDCPNSRFWST-NH2 |
| Ciona intestinalis | CFFRDCSNMDWYR | |
| Cephalochordata | Branchiostoma floridae | CYIINCPRG-NH2 |
| Hemichordata | Saccoglossus kowalevskii | CFISDCARG-NH2 |
| Echinodermata | Strongylocentrotus purpuratus | CFISNCPKG-NH2 |
| Apostichopus japonicus | CFITNCPLG-NH2 | |
| Asterias rubens | CLVQDCPEG-NH2 | |
| Ophionotus victoriae | CLVSDCPEG-NH2 | |
| Xenacoelomorpha | Xenoturbella bocki | CLVQGCPIG-NH2 |
| Xenoturbella profunda | CLVQGCPIG-NH2 | |
| Ascoparia sp | CVIVACPRG-NH2 | |
| Arthropoda | Locusta migratoria | CLITNCPRG-NH2 |
| Tribolium casteneum | CLITNCPRG-NH2 | |
| Atta cephalotes | CLITNCPRG-NH2 | |
| Camponotus floridanus | CLIVNCPRG-NH2 | |
| Harpegnathos saltator | CLITNCPRG-NH2 | |
| Lasius niger | CLITNCPRG-NH2 | |
| Lasius neglectus | CLITNCPRG-NH2 | |
| Cancer borealis | CFITNCPPG-NH2 | |
| Portunus pelagicus | CFITNCPPG-NH2 | |
| Strigamia maritima | CYITNCPPG-NH2 | |
| Sarcoptes scabiei | CFITNCPPA-NH2 | |
| Nematoda | Caenorhabditis elegans | CFLNSCPYRRY-NH2 |
| Tardigrada | Hypsibius dujardini | CFVTNCPPG-NH2 |
| Ramazzottius variernatus | CFVTNCPPG-NH2 | |
| Mollusca | Conus striatus | CIIRNCPRG-NH2 |
| Conus geographus | CFIRNCPKG-NH2 | |
| Lymnaea stagnalis | CFIRNCPKG-NH2 | |
| Octopus vulgaris (cephalotocin) | CYFRNCPIG-NH2 | |
| Octopus vulgaris (octopressin) | CFWTSCPIG-NH2 | |
| Sepia officinalis (sepiatocin) | CFWTTCPIG-NH2 | |
| Sepia officinalis (pro-sepiatocin) | CFFRNCPPG-NH2 | |
| Mizuhopecten yessoensis | CFIRNCPPG-NH2 | |
| Annelida | Erpobdella octoculata | CFIRNCPKG-NH2 |
| Eisenia fetida | CFVRNCPTG-NH2 | |
| Platynereis dumerilii | CFVRNCPPG-NH2 |
Insights into the physiological roles of many of these neuropeptides have been obtained and are discussed in this review.