|
|
| Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
25/03/2011 |
Data da última atualização: |
15/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MOTA, G. B.; BATISTA, R. I. T. P.; SERAPIÃO, R. V.; BOITE, M. C.; VIANA, J. H. M. |
Afiliação: |
Gustavo Bruno Mota, UFV; RIBRIO IVAN TAVARES PEREIRA BATISTA, UNIVERSIDADE ESTADUAL DO CEARÁ; RAQUEL VARELA SERAPIAO, PESAGRO - RIO; MARIANA CORTES BOITE, UFF; JOAO HENRIQUE MOREIRA VIANA, CNPGL. |
Título: |
Developmental competence and expression of the MATER and ZAR1 genes in immature bovine oocytes selected by brilliant cresyl blue. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
Zygote, v. 18, n. 3, p. 209-216, 2010. |
DOI: |
https://doi.org/10.1017/S0967199409990219 |
Idioma: |
Inglês |
Conteúdo: |
The objective of this work was to evaluate the selection of immature bovine oocytes by brilliant cresyl blue dye (BCB) and expression of transcripts MATER and ZAR1. Cumulus–oocyte complexes (COCs) from slaughterhouse ovaries were exposed to BCB diluted in mDPBS and incubated for 60 min at 38.5 °C in humidified air. After exposure those COCs were distributed in two groups, according to their cytoplasm colour: BCB+ (coloured cytoplasm) or BCB− (colourless cytoplasm). The control group was submitted to in vitro maturation (IVM) immediately after morphological selection and holding control group COCs were exposed to mDPBS without BCB but in the same incubation conditions of BCB+ and BCB− group. The COCs of all groups were submitted to IVM, in vitro fertilization (IVF) and in vitro culture (IVC). Cleavage rate (72 h post-insemination) was similar between control (65.3%) and BCB+ (64.4%) groups, but greater than (p < 0.05) holding control (49.8%) and BCB− (51.3%) groups. Blastocyst rate (192 h post-insemination) was not different between BCB+ (18.5%) and control (16.3%) groups, but greater (p < 0.05) than BCB− (8.4%) group. No difference was found for blastocyst rate between holding control group (14.2%), control and BCB+ groups. The relative expression of MATER and ZAR1 genes was evaluated by real-time PCR in immature oocytes collected from the control, holding control, BCB+ and BCB− groups. Despite the relative expression of MATER in holding control, BCB+ and BCB− were down regulated in comparison to control group there was no statistical difference (p > 0.05) in the relative expression of MATER and ZAR1 transcripts among groups. The results indicate that the BCB dye detects immature oocyte populations with different developmental competence, although no improvement in in vitro embryo production using oocytes exposed or not to BCB was observed. Development competence of immature oocytes exposed to BCB does not seem to be associated with variations in the expression of MATER and ZAR1 transcripts. MenosThe objective of this work was to evaluate the selection of immature bovine oocytes by brilliant cresyl blue dye (BCB) and expression of transcripts MATER and ZAR1. Cumulus–oocyte complexes (COCs) from slaughterhouse ovaries were exposed to BCB diluted in mDPBS and incubated for 60 min at 38.5 °C in humidified air. After exposure those COCs were distributed in two groups, according to their cytoplasm colour: BCB+ (coloured cytoplasm) or BCB− (colourless cytoplasm). The control group was submitted to in vitro maturation (IVM) immediately after morphological selection and holding control group COCs were exposed to mDPBS without BCB but in the same incubation conditions of BCB+ and BCB− group. The COCs of all groups were submitted to IVM, in vitro fertilization (IVF) and in vitro culture (IVC). Cleavage rate (72 h post-insemination) was similar between control (65.3%) and BCB+ (64.4%) groups, but greater than (p < 0.05) holding control (49.8%) and BCB− (51.3%) groups. Blastocyst rate (192 h post-insemination) was not different between BCB+ (18.5%) and control (16.3%) groups, but greater (p < 0.05) than BCB− (8.4%) group. No difference was found for blastocyst rate between holding control group (14.2%), control and BCB+ groups. The relative expression of MATER and ZAR1 genes was evaluated by real-time PCR in immature oocytes collected from the control, holding control, BCB+ and BCB− groups. Despite the relative expression of MATER in holding control, BCB+ and BCB− were down regu... Mostrar Tudo |
Palavras-Chave: |
Brilliant cresyl blue. |
Thesaurus Nal: |
gene expression; in vitro fertilization; oocytes. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02786naa a2200229 a 4500 001 1883077 005 2024-02-15 008 2010 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1017/S0967199409990219$2DOI 100 1 $aMOTA, G. B. 245 $aDevelopmental competence and expression of the MATER and ZAR1 genes in immature bovine oocytes selected by brilliant cresyl blue.$h[electronic resource] 260 $c2010 520 $aThe objective of this work was to evaluate the selection of immature bovine oocytes by brilliant cresyl blue dye (BCB) and expression of transcripts MATER and ZAR1. Cumulus–oocyte complexes (COCs) from slaughterhouse ovaries were exposed to BCB diluted in mDPBS and incubated for 60 min at 38.5 °C in humidified air. After exposure those COCs were distributed in two groups, according to their cytoplasm colour: BCB+ (coloured cytoplasm) or BCB− (colourless cytoplasm). The control group was submitted to in vitro maturation (IVM) immediately after morphological selection and holding control group COCs were exposed to mDPBS without BCB but in the same incubation conditions of BCB+ and BCB− group. The COCs of all groups were submitted to IVM, in vitro fertilization (IVF) and in vitro culture (IVC). Cleavage rate (72 h post-insemination) was similar between control (65.3%) and BCB+ (64.4%) groups, but greater than (p < 0.05) holding control (49.8%) and BCB− (51.3%) groups. Blastocyst rate (192 h post-insemination) was not different between BCB+ (18.5%) and control (16.3%) groups, but greater (p < 0.05) than BCB− (8.4%) group. No difference was found for blastocyst rate between holding control group (14.2%), control and BCB+ groups. The relative expression of MATER and ZAR1 genes was evaluated by real-time PCR in immature oocytes collected from the control, holding control, BCB+ and BCB− groups. Despite the relative expression of MATER in holding control, BCB+ and BCB− were down regulated in comparison to control group there was no statistical difference (p > 0.05) in the relative expression of MATER and ZAR1 transcripts among groups. The results indicate that the BCB dye detects immature oocyte populations with different developmental competence, although no improvement in in vitro embryo production using oocytes exposed or not to BCB was observed. Development competence of immature oocytes exposed to BCB does not seem to be associated with variations in the expression of MATER and ZAR1 transcripts. 650 $agene expression 650 $ain vitro fertilization 650 $aoocytes 653 $aBrilliant cresyl blue 700 1 $aBATISTA, R. I. T. P. 700 1 $aSERAPIÃO, R. V. 700 1 $aBOITE, M. C. 700 1 $aVIANA, J. H. M. 773 $tZygote$gv. 18, n. 3, p. 209-216, 2010.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Gado de Leite (CNPGL) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
Registro Completo
Biblioteca(s): |
Embrapa Meio-Norte. |
Data corrente: |
04/12/2019 |
Data da última atualização: |
12/12/2023 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
VELOSO, M. E. da C.; VASCONCELOS, L. F. L.; ANTONINI, J. C. dos A.; MESSIAS, U.; ODA-SOUZA, M. |
Afiliação: |
MARCOS EMANUEL DA COSTA VELOSO, CPAMN; LUCIO FLAVO LOPES VASCONCELOS, CPAMN; JORGE CESAR DOS ANJOS ANTONINI, CPAC; UELITON MESSIAS, CPAMN; MELISSA ODA-SOUZA, UESPI. |
Título: |
Número de folhas do dendezeiro sob diferentes fatores de disponibilidade de água no solo, em Parnaíba, PI. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 26., 2019, Juazeiro, BA/Petrolina, PE. Fruticultura de precisão: desafios e oportunidades - anais. Petrolina: Embrapa Semiárido: UNIVASF: SBF, 2019. |
Páginas: |
p. 1543-1546. |
Idioma: |
Português |
Conteúdo: |
O dendezeiro (Elaeis guineensis Jacq.) é a oleaginosa que mais produz óleo por hectare ano-1 no mundo sendo o Brasil um país importador desse óleo. Esta palmeira é uma espécie perene, com período de exploração econômica que pode durar cerca de 25 a 30 anos. |
Thesagro: |
Elaeis Guineensis; Palmeira Oleaginosa; Variedade. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/206212/1/NumeroFolhasDendezeiroAnaisCBF2019.pdf
|
Marc: |
LEADER 01060nam a2200205 a 4500 001 2115967 005 2023-12-12 008 2019 bl uuuu u00u1 u #d 100 1 $aVELOSO, M. E. da C. 245 $aNúmero de folhas do dendezeiro sob diferentes fatores de disponibilidade de água no solo, em Parnaíba, PI.$h[electronic resource] 260 $aIn: CONGRESSO BRASILEIRO DE FRUTICULTURA, 26., 2019, Juazeiro, BA/Petrolina, PE. Fruticultura de precisão: desafios e oportunidades - anais. Petrolina: Embrapa Semiárido: UNIVASF: SBF$c2019 300 $ap. 1543-1546. 520 $aO dendezeiro (Elaeis guineensis Jacq.) é a oleaginosa que mais produz óleo por hectare ano-1 no mundo sendo o Brasil um país importador desse óleo. Esta palmeira é uma espécie perene, com período de exploração econômica que pode durar cerca de 25 a 30 anos. 650 $aElaeis Guineensis 650 $aPalmeira Oleaginosa 650 $aVariedade 700 1 $aVASCONCELOS, L. F. L. 700 1 $aANTONINI, J. C. dos A. 700 1 $aMESSIAS, U. 700 1 $aODA-SOUZA, M.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Meio-Norte (CPAMN) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Expressão de busca inválida. Verifique!!! |
|
|