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Contrasting effects of heat shock during in vitro maturation on development of in vitro-fertilized and parthenogenetic bovine embryos. Repositório Alice
CAMARGO, L. S. A.; COSTA, F. Q.; MUNK, M.; WOHLRES-VIANA, S.; SERAPIÃO, R. V.; CARVALHO, B. C.; CAMPOS JÚNIOR, P. H.; VIEIRA, A. C.; NOGUEIRA, L. A. G.; VIANA, J. H. M..
bitstream/item/203452/1/Camargo-et-al-2019-Reproduction-in-Domestic-Animals.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Activation; Embryos; Maturation; Aquaporin 3; Hsp70 Protein; Ionomycin; Heat Shock; Cleavage; Blastocyst; In vitro fertilization; Parthenogenesis; Apoptosis; Gene expression; Gametocytes; Oocytes.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113387
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Contrasting effects of heat shock during in vitro maturation on development of in vitro-fertilized and parthenogenetic bovine embryos. Repositório Alice
CAMARGO, L. S. A.; COSTA, F. Q.; MUNK, M.; WOHLRES-VIANA, S.; SERAPIÃO, R. V.; CARVALHO, B. C.; CAMPOS JÚNIOR, P. H.; VIEIRA, A. C.; NOGUEIRA, L. A. G.; VIANA, J. H. M..
Abstract This study investigated the influence of heat shock during in vitro maturation on embryo development following in vitro fertilization (IVF) or parthenogenesis (Part). Immature bovine cumulus?oocyte complexes were exposed to heat shock (41.0°C) during the first 12 hr of in vitro maturation (IVM), followed by 12 hr at 38.5°C. Control group consisted of in vitro maturation for 24 hr at 38.5°C. Oocytes were in vitro&#8208;fertilized or activated with ionomycin and cultured in vitro for 192 hr post&#8208;in vitro insemination or parthenogenetic activation (hpia). There was an interaction (p < .01) between temperature of IVM and method of oocyte activation (IVF or Part) for cleav&#8208;age at 48 hpia. Heat shock had a negative impact (p...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Activation; Embryos; Maturation; Aquaporin 3; Hsp70 Protein; Ionomycin; Heat Shock; Cleavage; Blastocyst; In vitro fertilization; Parthenogenesis; Apoptosis; Gene expression; Gametocytes; Oocytes.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1118469
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Divergence and convergence in early embryonic stages of metazoans Naturalis
Galis, Frietson; Sinervo, Barry.
The early stages of organogenesis in metazoans differ drastically between higher order taxa such as phyla and classes. The segmented germ band stage in insects, the nauplius stage of crustaceans, and the neurula/pharyngula stage in vertebrates are examples of this diversification. In striking contrast with this divergence, is the similarity of these stages within these taxa, i.e., within insects, crustaceans, and vertebrates. The early stages of organogenesis, or phylotypic stages, have, thus, remained very similar in most species since the evolutionary origin of the taxa. These phylotypic stages are considerably more similar to each other than to the earlier stages of cleavage and gastrulation. Cleavage and gastrulation stages display not only great...
Tipo: Article / Letter to the editor Palavras-chave: Evolutionary conservation; Pleiotropy; Cleavage; Gastrulation; Organogenesis; Multicellularity; Phylotypic stage.
Ano: 2002 URL: http://www.repository.naturalis.nl/record/534407
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Forces, failles et opportunités de la recherche française en écologie trophique ArchiMer
Perga, Marie-elodie; Danger, Michael; Dubois, Stanislas; Fritch, Clementine; Gaucherel, Cedric; Hubas, Cedric; Jabot, Franck; Lacroix, Gerard; Lefebvre, Sebastien; Marmonier, Pierre; Bec, Alexandre.
The French National Institute of Ecology and Environment (INEE) aims at fostering pluridisciplinarity in Environmental Science and, for that purpose, funds ex muros research groups (GDR) on thematic topics. Trophic ecology has been identified as a scientific field in ecology that would greatly benefit from such networking activity, as being profoundly scattered. This has motivated the seeding of a GDR, entitled “GRET”. The contours of the GRET's action, and its ability to fill these gaps within trophic ecology at the French national scale, will depend on the causes of this relative scattering. This study relied on a nationally broadcasted poll aiming at characterizing the field of trophic ecology in France. Amongst all the unique individuals that fulfilled...
Tipo: Text Palavras-chave: Trans-ecosystem; Scientific network; Cleavage; Ecology; Population; Community.
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00442/55338/56849.pdf
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