| |
|
|
 | 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: |
10/02/2017 |
|
Data da última atualização: |
30/01/2023 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
PAULA, C. M. P. de; SOUZA SOBRINHO, F. de; TECHIO, V. H. |
|
Afiliação: |
Cristina M. P. de Paula, UFLA; FAUSTO DE SOUZA SOBRINHO, CNPGL; Vania H. Techio, UFLA. |
|
Título: |
Chromosomal distribution of H3K4me2, H3K9me2 and 5-methylcytosine: variations associated with polyploidy and hybridization in Brachiaria (Poaceae). |
|
Ano de publicação: |
2016 |
|
Fonte/Imprenta: |
Plant Cell Reports, v. 35, n. 6, p. 1359-1369, 2016. |
|
Idioma: |
Inglês |
|
Conteúdo: |
Abstract Histone post-translational modifications and DNA methylation are epigenetic processes that are involved in structural and functional organization of the genome. This study compared the chromosomal distribution of modified histones and 5-methylcytosine (5-mCyt) in species and interspecific hybrids of Brachiaria with different ploidy levels and reproduction modes. The relation between H3K9me2 and 5-mCyt was observed in the nucleolus organizer region, centromeric central domain and pericentromeric region. H3K4me2 was detected in euchromatic domains, mainly in the terminal chromosomal regions. Comparison of chromosomal distribution among species and hybrids showed greater variation of chromosomal types for the H3K9me2 in B. decumbens (tetraploid and apomictic species) and the 963 hybrid, while, for the H3K4me2, the variation was higher in B. brizantha and B. decumbens (tetraploid and apomictic species) and 963 hybrid. The chromosome distribution of 5-mCyt was similar between B. brizantha and B. decumbens, which differ from the distribution observed in B. ruziziensis (diploid and sexual species). Significant alterations in DNA methylation were observed in the artificially tetraploidized B. ruziziensis and in the interspecific hybrids, possibly as result of hybridization and polyploidization processes. The monitoring of histone modifications and DNA methylation allowed categorizing nuclear and chromosomal distribution of these epigenetic marks, thus contributing to the knowledge of composition and structure of the genome/epigenome of Brachiaria species and hybrids. These data can be useful for speciation and genome evolution studies in genus Brachiaria, and represent important markers to explore relationships between genomes. MenosAbstract Histone post-translational modifications and DNA methylation are epigenetic processes that are involved in structural and functional organization of the genome. This study compared the chromosomal distribution of modified histones and 5-methylcytosine (5-mCyt) in species and interspecific hybrids of Brachiaria with different ploidy levels and reproduction modes. The relation between H3K9me2 and 5-mCyt was observed in the nucleolus organizer region, centromeric central domain and pericentromeric region. H3K4me2 was detected in euchromatic domains, mainly in the terminal chromosomal regions. Comparison of chromosomal distribution among species and hybrids showed greater variation of chromosomal types for the H3K9me2 in B. decumbens (tetraploid and apomictic species) and the 963 hybrid, while, for the H3K4me2, the variation was higher in B. brizantha and B. decumbens (tetraploid and apomictic species) and 963 hybrid. The chromosome distribution of 5-mCyt was similar between B. brizantha and B. decumbens, which differ from the distribution observed in B. ruziziensis (diploid and sexual species). Significant alterations in DNA methylation were observed in the artificially tetraploidized B. ruziziensis and in the interspecific hybrids, possibly as result of hybridization and polyploidization processes. The monitoring of histone modifications and DNA methylation allowed categorizing nuclear and chromosomal distribution of these epigenetic marks, thus contributing to the kn... Mostrar Tudo |
|
Palavras-Chave: |
Epigenetics marks; Histone methylation; Interspecific hybrids. |
|
Thesaurus Nal: |
DNA methylation; Urochloa. |
|
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
|
Marc: |
LEADER 02442naa a2200205 a 4500
001 2063496
005 2023-01-30
008 2016 bl uuuu u00u1 u #d
100 1 $aPAULA, C. M. P. de
245 $aChromosomal distribution of H3K4me2, H3K9me2 and 5-methylcytosine$bvariations associated with polyploidy and hybridization in Brachiaria (Poaceae).$h[electronic resource]
260 $c2016
520 $aAbstract Histone post-translational modifications and DNA methylation are epigenetic processes that are involved in structural and functional organization of the genome. This study compared the chromosomal distribution of modified histones and 5-methylcytosine (5-mCyt) in species and interspecific hybrids of Brachiaria with different ploidy levels and reproduction modes. The relation between H3K9me2 and 5-mCyt was observed in the nucleolus organizer region, centromeric central domain and pericentromeric region. H3K4me2 was detected in euchromatic domains, mainly in the terminal chromosomal regions. Comparison of chromosomal distribution among species and hybrids showed greater variation of chromosomal types for the H3K9me2 in B. decumbens (tetraploid and apomictic species) and the 963 hybrid, while, for the H3K4me2, the variation was higher in B. brizantha and B. decumbens (tetraploid and apomictic species) and 963 hybrid. The chromosome distribution of 5-mCyt was similar between B. brizantha and B. decumbens, which differ from the distribution observed in B. ruziziensis (diploid and sexual species). Significant alterations in DNA methylation were observed in the artificially tetraploidized B. ruziziensis and in the interspecific hybrids, possibly as result of hybridization and polyploidization processes. The monitoring of histone modifications and DNA methylation allowed categorizing nuclear and chromosomal distribution of these epigenetic marks, thus contributing to the knowledge of composition and structure of the genome/epigenome of Brachiaria species and hybrids. These data can be useful for speciation and genome evolution studies in genus Brachiaria, and represent important markers to explore relationships between genomes.
650 $aDNA methylation
650 $aUrochloa
653 $aEpigenetics marks
653 $aHistone methylation
653 $aInterspecific hybrids
700 1 $aSOUZA SOBRINHO, F. de
700 1 $aTECHIO, V. H.
773 $tPlant Cell Reports$gv. 35, n. 6, p. 1359-1369, 2016.
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 Uva e Vinho. |
|
Data corrente: |
05/02/2021 |
|
Data da última atualização: |
05/02/2021 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
Internacional - A |
|
Autoria: |
ZANUS, M. C.; RIZZON, L. A.; KUHN, G. B. |
|
Afiliação: |
MAURO CELSO ZANUS, CNPUV; L. A. RIZZON; G. B. KUHN. |
|
Título: |
Efeito da virose do enrolamento da folha na composição química do vinho Cabernet Franc. |
|
Ano de publicação: |
1992 |
|
Fonte/Imprenta: |
Revista Brasileira de Fruticultura, v. 14, n. 3, p. 219-226, 1992. |
|
Idioma: |
Português |
|
Conteúdo: |
Foram comparados vinhos da cultivar Cabernet Franc (Vitis vinifera L.) provenientes de plantas sadias e atacadas pela virose do enrolamento da folha. O experimento foi realizado em Bento Gonçalves, RS, durante as safras de 1986, 1987, 1988, 1990 e 1991. O vinhedo foi instalado em 1982, sendo as videiras enxertadas sobre o porta-enxerto '101-14' e dispostas em 10 fileiras divididas por plantas sadias e plantas doentes. Os vinhos foram elaborados pelo processo de microvinificação a partir de 20kg de uva colhidos de maneira homogênea em toda a área. Os principais efeitos da virose na composição dos vinhos foram a diminuição do teor alcoólico, pH, cinzas, intensidade de cor e polifenóis totais. A virose também diminuiu o teor de acetato de etila e a soma de álcoois superiores. Quanto aos minerais, a virose determinou uma diminuição do K e Rb e um aumento nos teores de Ca e Mg. |
|
Palavras-Chave: |
Análise de vinhos; Cabernet franc; Leafroll; Virose; Virus disease; Wine analysis. |
|
Thesagro: |
Vinho; Virose Vegetal; Vitis Vinifera. |
|
Thesaurus NAL: |
Vitis. |
|
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/220935/1/Zanus-1992-219-226.pdf
|
|
Marc: |
LEADER 01640naa a2200265 a 4500
001 2129816
005 2021-02-05
008 1992 bl uuuu u00u1 u #d
100 1 $aZANUS, M. C.
245 $aEfeito da virose do enrolamento da folha na composição química do vinho Cabernet Franc.$h[electronic resource]
260 $c1992
520 $aForam comparados vinhos da cultivar Cabernet Franc (Vitis vinifera L.) provenientes de plantas sadias e atacadas pela virose do enrolamento da folha. O experimento foi realizado em Bento Gonçalves, RS, durante as safras de 1986, 1987, 1988, 1990 e 1991. O vinhedo foi instalado em 1982, sendo as videiras enxertadas sobre o porta-enxerto '101-14' e dispostas em 10 fileiras divididas por plantas sadias e plantas doentes. Os vinhos foram elaborados pelo processo de microvinificação a partir de 20kg de uva colhidos de maneira homogênea em toda a área. Os principais efeitos da virose na composição dos vinhos foram a diminuição do teor alcoólico, pH, cinzas, intensidade de cor e polifenóis totais. A virose também diminuiu o teor de acetato de etila e a soma de álcoois superiores. Quanto aos minerais, a virose determinou uma diminuição do K e Rb e um aumento nos teores de Ca e Mg.
650 $aVitis
650 $aVinho
650 $aVirose Vegetal
650 $aVitis Vinifera
653 $aAnálise de vinhos
653 $aCabernet franc
653 $aLeafroll
653 $aVirose
653 $aVirus disease
653 $aWine analysis
700 1 $aRIZZON, L. A.
700 1 $aKUHN, G. B.
773 $tRevista Brasileira de Fruticultura$gv. 14, n. 3, p. 219-226, 1992.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Uva e Vinho (CNPUV) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Expressão de busca inválida. Verifique!!! |
|
|
