{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T15:54:56Z","timestamp":1759334096181,"version":"build-2065373602"},"reference-count":40,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T00:00:00Z","timestamp":1759190400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.mdpi.com"],"crossmark-restriction":true},"short-container-title":["Animals"],"abstract":"<jats:p>The swimming crab is a commercially and nutritionally important marine resource with the highest catch volumes in Mexico occurring along the East Pacific coast. Among the Pacific species of the genus Callinectes, the blue crab C. arcuatus has the widest distribution and is found throughout the year. Its close resemblance to the well-studied Atlantic blue swimming crab (C. sapidus) makes it an excellent model for molecular reproductive studies in the Mexican Pacific. Using next-generation sequencing, this study aimed to characterize maturation-associated genes in an ovary\u2013hepatopancreas transcriptome of C. arcuatus, with a particular focus on vitellogenin (Vtg) and its expression in the ovaries and hepatopancreas across different gonadal maturity stages. The transcriptome library generated from pooled samples produced 27,729 unigenes, of which, 196 (1.81%) were identified as reproduction-related genes. Notably, 33 of these genes, including the complete Vtg sequence, have not been previously reported in this species. Vtg expression was found to be tissue-specific, with levels in the hepatopancreas up to 13 orders of magnitude higher than in the ovary. In the hepatopancreas, Vtg expression increased exponentially from stage I to stage V of gonadal maturity, whereas in the ovaries, its expression showed the opposite trend. These findings highlight that the hepatopancreas, with its abundant nutrient reserves, serves as the primary site of Vtg expression and synthesis.<\/jats:p>","DOI":"10.3390\/ani15192860","type":"journal-article","created":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T10:54:48Z","timestamp":1759229688000},"page":"2860","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Characterization of Maturation-Associated Genes in Ovary\u2013Hepatopancreas Transcriptome and Vitellogenin Expression in Pacific Blue Swimming Crab Callinectes arcuatus During Gonadal Maturity Stages"],"prefix":"10.3390","volume":"15","author":[{"given":"Araceli Lorena","family":"Montes-Dominguez","sequence":"first","affiliation":[{"name":"Facultad de Ciencias del Mar, Universidad Aut\u00f3noma de Sinaloa, Paseo Claussen s\/n, Mazatl\u00e1n 82000, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jesus Arian","family":"Avena-Soto","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias del Mar, Universidad Aut\u00f3noma de Sinaloa, Paseo Claussen s\/n, Mazatl\u00e1n 82000, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5912-621X","authenticated-orcid":false,"given":"Martin Ignacio","family":"Borrego","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias del Mar, Universidad Aut\u00f3noma de Sinaloa, Paseo Claussen s\/n, Mazatl\u00e1n 82000, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6805-4134","authenticated-orcid":false,"given":"Laura Rebeca","family":"Jimenez-Gutierrez","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias del Mar, Universidad Aut\u00f3noma de Sinaloa, Paseo Claussen s\/n, Mazatl\u00e1n 82000, Mexico"},{"name":"Secretar\u00eda de Ciencias, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n, Ciudad de M\u00e9xico 03940, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,9,30]]},"reference":[{"key":"ref_1","unstructured":"CONAPESCA (2023). 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