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Registro Completo |
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
24/04/2014 |
Data da última atualização: |
28/03/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CAETANO, L. C.; GENNARO, F. G. O.; COELHO, K.; ARAÚJO, F. M.; VILA, R. A.; ARAÚJO, A.; BERNARDO, A. de M.; MARCONDES, C. R.; LOPES, S. M. C. de S.; RAMOS, E. S. |
Afiliação: |
L. C. CAETANO, Universidade de São Paulo; F. G. O. GENNARO, Universidade de São Paulo; K. COELHO, Universidade de São Paulo; F. M. ARAÚJO, Universidade de São Paulo; R. A. VILA, Universidade de São Paulo; A. ARAÚJO, Universidade de São Paulo; A. DE MELO BERNARDO, Leiden University Medical Center; CINTIA RIGHETTI MARCONDES, CPPSE; S. M. CHUVA DE SOUSA LOPES, Leiden University Medical Center; E. S. RAMOS, Universidade de São Paulo. |
Título: |
Differential expression of the MHM region and of sex-determining-related genes during gonadal development in chicken embryos. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Genetics and Molecular Research, v. 13, n. 1, p. 838-849, 2014. |
ISSN: |
1656-5680 |
DOI: |
10.4238/2014.February.13.2 |
Idioma: |
Inglês |
Conteúdo: |
The chicken (Gallus gallus) embryo has been used as a classic model system for developmental studies because of its easy accessibility for surgical manipulation during embryonic development. Sex determination in birds is chromosomally based (ZZ for males and ZW for females); however, the basic mechanism of sex determination is still unknown. Here, the dynamics of expression of candidate genes implicated in vertebrate sex determination and differentiation were studied during embryonic chicken gonadal development. Gene expression profiles were obtained before, during, and after gonadal sex differentiation in females and males for DMRT1, SOX3, SOX9, DAX MHM and sex-determining gene expression in chicken embryos SCII, HINTZ, HINTW, and the male hypermethylated (MHM) region. Transcripts for the HINTZ, DMRT1, DAX1, SCII, and SOX9 genes were observed in both sexes, but expression was higher in male gonads and may be correlated with testicular differentiation. The expression patterns of HINTW, SOX3, and MHM suggest that they may act in ovary development and may be involved in meiosis entry. MHM was upregulated and DMRT1 was downregulated in females at the same developmental stage. This may indicate a regulation of DMRT1 by MHM ncRNA. Similar dynamics were observed between HINTW and HINTZ . This study reports on the MHM expression profile during gonadal development and its correlation with the expression of genes involved in vertebrate sex determination. |
Palavras-Chave: |
Chicken; Development; Dosage compensation; Gonad. |
Thesaurus Nal: |
epigenetics. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/101403/1/PROCI-2014.00017.pdf
|
Marc: |
LEADER 02400naa a2200313 a 4500 001 1985036 005 2023-03-28 008 2014 bl uuuu u00u1 u #d 022 $a1656-5680 024 7 $a10.4238/2014.February.13.2$2DOI 100 1 $aCAETANO, L. C. 245 $aDifferential expression of the MHM region and of sex-determining-related genes during gonadal development in chicken embryos.$h[electronic resource] 260 $c2014 520 $aThe chicken (Gallus gallus) embryo has been used as a classic model system for developmental studies because of its easy accessibility for surgical manipulation during embryonic development. Sex determination in birds is chromosomally based (ZZ for males and ZW for females); however, the basic mechanism of sex determination is still unknown. Here, the dynamics of expression of candidate genes implicated in vertebrate sex determination and differentiation were studied during embryonic chicken gonadal development. Gene expression profiles were obtained before, during, and after gonadal sex differentiation in females and males for DMRT1, SOX3, SOX9, DAX MHM and sex-determining gene expression in chicken embryos SCII, HINTZ, HINTW, and the male hypermethylated (MHM) region. Transcripts for the HINTZ, DMRT1, DAX1, SCII, and SOX9 genes were observed in both sexes, but expression was higher in male gonads and may be correlated with testicular differentiation. The expression patterns of HINTW, SOX3, and MHM suggest that they may act in ovary development and may be involved in meiosis entry. MHM was upregulated and DMRT1 was downregulated in females at the same developmental stage. This may indicate a regulation of DMRT1 by MHM ncRNA. Similar dynamics were observed between HINTW and HINTZ . This study reports on the MHM expression profile during gonadal development and its correlation with the expression of genes involved in vertebrate sex determination. 650 $aepigenetics 653 $aChicken 653 $aDevelopment 653 $aDosage compensation 653 $aGonad 700 1 $aGENNARO, F. G. O. 700 1 $aCOELHO, K. 700 1 $aARAÚJO, F. M. 700 1 $aVILA, R. A. 700 1 $aARAÚJO, A. 700 1 $aBERNARDO, A. de M. 700 1 $aMARCONDES, C. R. 700 1 $aLOPES, S. M. C. de S. 700 1 $aRAMOS, E. S. 773 $tGenetics and Molecular Research$gv. 13, n. 1, p. 838-849, 2014.
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Embrapa Pecuária Sudeste (CPPSE) |
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Registro Completo
Biblioteca(s): |
Embrapa Unidades Centrais. |
Data corrente: |
05/05/1999 |
Data da última atualização: |
05/01/2021 |
Autoria: |
FREITAS, M. do A. Q. de; SANTOS, J. A. dos; MAGALHAES, H.; CARVALHO, E. C. Q. de. |
Título: |
Abscesso cerebral por listeria monocytogenes em bovino. |
Ano de publicação: |
1982 |
Fonte/Imprenta: |
Pesquisa Agropecuaria Brasileira, Brasilia, v.17, n.1, p.137-141, jan. 1982. |
Idioma: |
Português |
Notas: |
Título em inglês: Cerebral abscess by listeria monocytogenes in a cow. |
Conteúdo: |
RESUMO - Em uma vaca com manifestações nervosas caracterizadas fundamentalmente por andar em circulo, os autores observaram, a necropsia, abscesso cerebral causado por Listeria monocytogenes L 4b. O abscesso estava localizado na região occipital do hemisfério cerebral esquerdo e media 4 cm de diâmetro; seu pus era de tonalidade rósea e de consistência viscosa. ABSTRACT - The authors describe a case of abscess in the brain of a cow, produced by Listeria monocytogenes L 4b. The abscess had 4 cm of diameter and was situated in the occipital region of the brains left hemisphere. The animal exhibited circting gait and was destroyed. |
Palavras-Chave: |
Neuropatologia. |
Thesagro: |
Listeriose. |
Thesaurus NAL: |
listeriosis; neuropathology. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/219889/1/Abscesso-cerebral-listeria-1982.pdf
|
Marc: |
LEADER 01315naa a2200217 a 4500 001 1084316 005 2021-01-05 008 1982 bl uuuu u00u1 u #d 100 1 $aFREITAS, M. do A. Q. de 245 $aAbscesso cerebral por listeria monocytogenes em bovino. 260 $c1982 500 $aTítulo em inglês: Cerebral abscess by listeria monocytogenes in a cow. 520 $aRESUMO - Em uma vaca com manifestações nervosas caracterizadas fundamentalmente por andar em circulo, os autores observaram, a necropsia, abscesso cerebral causado por Listeria monocytogenes L 4b. O abscesso estava localizado na região occipital do hemisfério cerebral esquerdo e media 4 cm de diâmetro; seu pus era de tonalidade rósea e de consistência viscosa. ABSTRACT - The authors describe a case of abscess in the brain of a cow, produced by Listeria monocytogenes L 4b. The abscess had 4 cm of diameter and was situated in the occipital region of the brains left hemisphere. The animal exhibited circting gait and was destroyed. 650 $alisteriosis 650 $aneuropathology 650 $aListeriose 653 $aNeuropatologia 700 1 $aSANTOS, J. A. dos 700 1 $aMAGALHAES, H. 700 1 $aCARVALHO, E. C. Q. de 773 $tPesquisa Agropecuaria Brasileira, Brasilia$gv.17, n.1, p.137-141, jan. 1982.
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