AI Article Synopsis
- The study examined the gonads of the ascidian Styela plicata using various scientific methods to identify specific peptides.
- These peptides, including alpha-MSH, were found in both ovarian and testicular cells, indicating their role in reproductive processes.
- The research also noted that the levels of these peptides were greater in the summer than in the winter, suggesting seasonal variation.
Article Abstract
The compound gonads of the protochordate ascidian Styela plicata were investigated by immunocytochemistry, HPLC, and radioimmunoassay to verify the presence of melanotropin-like peptides, alpha-MSH-like immunoreactivity is localized in the follicular cells and in the perinuclear cytoplasm of different types of ovaric follicles, as well as in the spermatogonia and spermatocytes of testicular lobules. The ascidian immunoreactive peptides occurring in the gonads consist of alpha-MSH and ACTH(1-13)-NH2 and their amounts are higher in summer than in winter.
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| http://dx.doi.org/10.1016/0196-9781(95)02016-p | DOI Listing |
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