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Posthatch development of the axial musculature of the common dentex Dentex dentex, L (Teleostei)

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dc.contributor.authorArizcun Arizcun, Martaes
dc.contributor.authorAbellán, E.
dc.contributor.authorBlanco, A.
dc.contributor.authorAyala Florenciano, María Dolores
dc.contributor.authorLatorre Reviriego, Rafael Manuel
dc.contributor.authorLópez Albors, Octavio Miguel
dc.contributor.authorPastor García, Luis Miguel
dc.date.accessioned2015-09-29T07:18:58Z
dc.date.available2015-09-29T07:18:58Z
dc.date.issued2010
dc.description.abstractThe common dentex is a promising candidate for Mediterranean aquaculture. The present work is aimed at describing the development of the axial musculature from hatching to postlarval life. Transmission electron microscopy, histochemical (NADH-TR and mATPase) and immunohistochemical techniques (S-58 and TUNEL) have been used. At hatching superficial red and deep white muscles can be distinguished. Presumptive dermomyotome (external) cells are initially located over the superficial red muscle but shortly (2 days) tend to concentrate towards the epaxial and hipaxial limits of the myotome. Then, these cells enter the myotome and spread around and within the white muscle thus being apparently responsible for the stratified hyperplasia of the myotome. Mosaic hyperplasia is activated during the second half of the larval period and initially relies on differentiation of a population of atypical premyoblastic cells (APC). APC are mononuclear cells with euchromatic nuclei, cytoplasms full of thin longitudinally projected tubules, occasional mitochondria and scattered ribosomes. By the end of the larval period these cells tend to disappear, partly due to apoptosis, but postlarval mosaic hyperplasia continues by differentiation of presumptive myosatellite cells. APC are an unexpected and singular finding of this study which deserves more research, so as to further characterize their ancestry, developmental programme and fate. In addition to the white and superficial red muscle fibres, intermediate (pink) and tonic fibres appear during larval metamorphosis. Later, during the early postlarval life, a new type of slow twitch red muscle fibre is differentiated (red adult type).es
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dc.format.extent15es
dc.identifier.issn0213-3911es
dc.identifier.urihttp://hdl.handle.net/10201/46366
dc.languageenges
dc.publisherMurcia : F. Hernándezes
dc.relation.ispartofHistology and histopathologyes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectFish musclees
dc.subjectDentexes
dc.subject.other616 - Patología. Medicina clínica. Oncologíaes
dc.titlePosthatch development of the axial musculature of the common dentex Dentex dentex, L (Teleostei)es
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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relation.isAuthorOfPublication.latestForDiscoveryf4feddfe-93bc-43a7-9714-eeb7dd412ae7
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Histology and histopathology Vol.25,nº12 (2010)