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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido; Embrapa Uva e Vinho. |
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Data corrente: |
10/01/2017 |
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Data da última atualização: |
26/01/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PORTO, D. D.; FALAVIGNA, V. da S.; ARENHART, R. A.; PERINI, P.; BUFFON, V.; ANZANELLO, R.; SANTOS, H. P. dos; FIALHO, F. B.; OLIVEIRA, P. R. D. de; REVERS, L. F. |
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Afiliação: |
DIOGO DENARDI PORTO, CPATSA; VÍTOR DA SILVEIRA FALAVIGNA, UFRGS; RAFAEL AUGUSTO ARENHART, UFRGS; PÂMELA PERINI, Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul; VANESSA BUFFON, CNPUV; RAFAEL ANZANELLO, Fundação Estadual de Pesquisa Agropecuária, Veranópolis, RS; HENRIQUE PESSOA DOS SANTOS, CNPUV; FLAVIO BELLO FIALHO, CNPUV; PAULO RICARDO DIAS DE OLIVEIRA, CNPUV; LUIS FERNANDO REVERS, CNPUV. |
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Título: |
Structural genomics and transcriptional characterization of the Dormancy-Associated MADS-box genes during bud dormancy progression in apple. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Tree Genetics & Genomes, v. 12, n. 3, jun. 2016. |
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DOI: |
10.1007/s11295-016-1001-3 |
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Idioma: |
Inglês |
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Conteúdo: |
The molecular control of bud dormancy establishment and release is still not well understood, although some genes have already been demonstrated to play important roles in this process. The dormancy-associated MADS-box (DAM) genes were first identified in the peach EVERGROWING locus and are considered the main regulators of bud dormancy control. In this work, the apple (Malus × domestica Borkh.), a perennial plant adapted to temperate climates that displays cycles of growth and bud dormancy, was screened for the presence of DAM genes. The candidate genes retrieved were characterized in comparison to DAM genes from other species. Four of them (MdDAM1?4) are structurally very similar to the reported DAM genes. When apple genomic segments containing these candidates were compared to the peach EVERGROWING locus, a highly conserved noncoding region was detected inside their largest intron. Similar sequences were also identified inside introns of apricot and pear DAM genes. Organ expression patterns revealed that MdDAM1?4 are mainly expressed in dormant buds and seeds, with low transcript accumulation in vegetative structures. In addition, the MdDAM genes showed seasonally oscillating patterns of steady-state messenger RNA (mRNA) levels and were downregulated by artificial chilling. Motif analyses in the promoter and in the intronic conserved region of the MdDAM genes disclosed some clues to the regulation of the expression patterns observed. Possible roles for the conserved intronic sequence in dormancy regulation are discussed. Keywords Malus×domestica .Bud dormancy .DAMgenes . Collinearity . Cis-element MenosThe molecular control of bud dormancy establishment and release is still not well understood, although some genes have already been demonstrated to play important roles in this process. The dormancy-associated MADS-box (DAM) genes were first identified in the peach EVERGROWING locus and are considered the main regulators of bud dormancy control. In this work, the apple (Malus × domestica Borkh.), a perennial plant adapted to temperate climates that displays cycles of growth and bud dormancy, was screened for the presence of DAM genes. The candidate genes retrieved were characterized in comparison to DAM genes from other species. Four of them (MdDAM1?4) are structurally very similar to the reported DAM genes. When apple genomic segments containing these candidates were compared to the peach EVERGROWING locus, a highly conserved noncoding region was detected inside their largest intron. Similar sequences were also identified inside introns of apricot and pear DAM genes. Organ expression patterns revealed that MdDAM1?4 are mainly expressed in dormant buds and seeds, with low transcript accumulation in vegetative structures. In addition, the MdDAM genes showed seasonally oscillating patterns of steady-state messenger RNA (mRNA) levels and were downregulated by artificial chilling. Motif analyses in the promoter and in the intronic conserved region of the MdDAM genes disclosed some clues to the regulation of the expression patterns observed. Possible roles for the conserved intro... Mostrar Tudo |
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Palavras-Chave: |
Apple; Bud dormancy; Cis-element; Collinearity; DAM genes; Genes DAM; Growth regulator; Quebra de dormência. |
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Thesagro: |
Maçã; Malus domestica; Regulador de crescimento. |
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Categoria do assunto: |
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F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/154046/1/dIOGO-2016.pdf
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Marc: |
LEADER 02720naa a2200373 a 4500
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008 2016 bl uuuu u00u1 u #d
024 7 $a10.1007/s11295-016-1001-3$2DOI
100 1 $aPORTO, D. D.
245 $aStructural genomics and transcriptional characterization of the Dormancy-Associated MADS-box genes during bud dormancy progression in apple.$h[electronic resource]
260 $c2016
520 $aThe molecular control of bud dormancy establishment and release is still not well understood, although some genes have already been demonstrated to play important roles in this process. The dormancy-associated MADS-box (DAM) genes were first identified in the peach EVERGROWING locus and are considered the main regulators of bud dormancy control. In this work, the apple (Malus × domestica Borkh.), a perennial plant adapted to temperate climates that displays cycles of growth and bud dormancy, was screened for the presence of DAM genes. The candidate genes retrieved were characterized in comparison to DAM genes from other species. Four of them (MdDAM1?4) are structurally very similar to the reported DAM genes. When apple genomic segments containing these candidates were compared to the peach EVERGROWING locus, a highly conserved noncoding region was detected inside their largest intron. Similar sequences were also identified inside introns of apricot and pear DAM genes. Organ expression patterns revealed that MdDAM1?4 are mainly expressed in dormant buds and seeds, with low transcript accumulation in vegetative structures. In addition, the MdDAM genes showed seasonally oscillating patterns of steady-state messenger RNA (mRNA) levels and were downregulated by artificial chilling. Motif analyses in the promoter and in the intronic conserved region of the MdDAM genes disclosed some clues to the regulation of the expression patterns observed. Possible roles for the conserved intronic sequence in dormancy regulation are discussed. Keywords Malus×domestica .Bud dormancy .DAMgenes . Collinearity . Cis-element
650 $aMaçã
650 $aMalus domestica
650 $aRegulador de crescimento
653 $aApple
653 $aBud dormancy
653 $aCis-element
653 $aCollinearity
653 $aDAM genes
653 $aGenes DAM
653 $aGrowth regulator
653 $aQuebra de dormência
700 1 $aFALAVIGNA, V. da S.
700 1 $aARENHART, R. A.
700 1 $aPERINI, P.
700 1 $aBUFFON, V.
700 1 $aANZANELLO, R.
700 1 $aSANTOS, H. P. dos
700 1 $aFIALHO, F. B.
700 1 $aOLIVEIRA, P. R. D. de
700 1 $aREVERS, L. F.
773 $tTree Genetics & Genomes$gv. 12, n. 3, jun. 2016.
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Embrapa Semiárido (CPATSA) |
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| 1. |  | PORTO, D. D.; FALAVIGNA, V. da S.; ARENHART, R. A.; PERINI, P.; BUFFON, V.; ANZANELLO, R.; SANTOS, H. P. dos; FIALHO, F. B.; OLIVEIRA, P. R. D. de; REVERS, L. F. Structural genomics and transcriptional characterization of the Dormancy-Associated MADS-box genes during bud dormancy progression in apple. Tree Genetics & Genomes, v. 12, n. 3, jun. 2016.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Semiárido; Embrapa Uva e Vinho. |
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