AI Article Synopsis
- A proteomic analysis of Penaeus monodon testes identified 642 protein spots, with 287 (44.70%) significantly matching database sequences, indicating a rich repertoire of reproduction-related proteins.
- The study focused on the expression levels of two proteasome subunits (PmPsma3 and PmPsmb6), which were found to be lower in domesticated shrimp compared to wild broodstock.
- Administration of serotonin (5-HT) significantly boosted the expression of these proteins in domesticated shrimp, suggesting a potential method to enhance male maturation in captive populations.
Article Abstract
Cellular proteomic analysis was carried out to identify reproduction-related proteins in testes of wild and domesticated broodstock of Penaeus monodon. In total, 642 protein spots were characterized and 287 spots (44.70%) significantly matched protein sequences in the databases (P<0.05). To examine a role of the proteasome system in testicular development of P. monodon, the expression profiles of proteasome alpha 3 subunit (PmPsma3) and proteasome beta 6 (PmPsmb6) mRNA in different groups of domesticated shrimp and in wild broodstock were examined. The expression levels of these transcripts in testes of 18-month-old domesticated shrimp were significantly lower than those of wild broodstock (P<0.05). Interestingly, the expression levels of testicular PmPsma3 and PmPsmb6 in 18-month-old shrimp were significantly increased at 24 h following serotonin injection (50 μg/g body weight). Results suggested that reduced degrees of maturation in captive P. monodon males may be partially resolved by exogenous 5-HT administration.
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| http://dx.doi.org/10.1016/j.mce.2012.02.005 | DOI Listing |
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