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Registro Completo |
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
11/03/2011 |
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Data da última atualização: |
04/10/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BUDZINSKI, I. G. F.; SANTOS, T. B.; SERA, T.; POT, D.; VIEIRA, L. G. E.; PEREIRA, L. F. P. |
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Afiliação: |
IAPAR; IAPAR/Universidade Estadual de Londrina; IAPAR; CIRAD/UMR/DAP; IAPAR; LUIZ FILIPE PROTASIO PEREIRA, SAPC. |
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Título: |
Expression patterns of three a-expansin isoforms in Coffea arabica during fruit development. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Plant Biology, Germany, v.13, n. 3, p. 462?471, 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
As a first step towards understanding the physiological role and regulation of the expansin gene (EXP) family in Coffea arabica fruits during growth and maturation, we identified 11 expansin genes, nine belonging to the alpha-expansin family (EXPA), one EXLA and one EXLB, through in silico analysis of expressed sequence tags (ESTs). Within the alpha-expansin family, three isoforms were selected for detailed examination based on their high expression in coffee fruits or because they were specifically induced during different fruit developmental stages, according to the EST information. The expression patterns were analysed in different fruit tissues (perisperm, endosperm and pericarp) of C. arabica cv. IAPAR-59 and C. arabica cv. IAPAR-59 Graudo, the latter being a closely related cultivar with a larger fruit size. Accumulation of CaEXPA1 and CaEXPA3 transcripts was high in the perisperm (tissue responsible for coffee bean size) and in the early stages of pericarp development. Transcripts of CaEXPA2 were detected only in the pericarp during the later stages of fruit maturation and ripening. There was no detectable transcription of the three EXPs analysed in the endosperm. The observed differences in mRNA expression levels of CaEXPA1 and CaEXP3 in the perisperm of IAPAR-59 and IAPAR-59 Graudo suggest the participation of these two isoforms in the regulation of grain size. |
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Palavras-Chave: |
Coffee; Expasion isoforms; Fruit ripening; Perisperm. |
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Thesagro: |
Coffea Arábica. |
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Thesaurus Nal: |
Coffee beans; Expansins; Fruits; Grain quality. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/29343/1/Expression-patterns.pdf
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Marc: |
LEADER 02190naa a2200289 a 4500
001 1880493
005 2011-10-04
008 2011 bl uuuu u00u1 u #d
100 1 $aBUDZINSKI, I. G. F.
245 $aExpression patterns of three a-expansin isoforms in Coffea arabica during fruit development.$h[electronic resource]
260 $c2011
520 $aAs a first step towards understanding the physiological role and regulation of the expansin gene (EXP) family in Coffea arabica fruits during growth and maturation, we identified 11 expansin genes, nine belonging to the alpha-expansin family (EXPA), one EXLA and one EXLB, through in silico analysis of expressed sequence tags (ESTs). Within the alpha-expansin family, three isoforms were selected for detailed examination based on their high expression in coffee fruits or because they were specifically induced during different fruit developmental stages, according to the EST information. The expression patterns were analysed in different fruit tissues (perisperm, endosperm and pericarp) of C. arabica cv. IAPAR-59 and C. arabica cv. IAPAR-59 Graudo, the latter being a closely related cultivar with a larger fruit size. Accumulation of CaEXPA1 and CaEXPA3 transcripts was high in the perisperm (tissue responsible for coffee bean size) and in the early stages of pericarp development. Transcripts of CaEXPA2 were detected only in the pericarp during the later stages of fruit maturation and ripening. There was no detectable transcription of the three EXPs analysed in the endosperm. The observed differences in mRNA expression levels of CaEXPA1 and CaEXP3 in the perisperm of IAPAR-59 and IAPAR-59 Graudo suggest the participation of these two isoforms in the regulation of grain size.
650 $aCoffee beans
650 $aExpansins
650 $aFruits
650 $aGrain quality
650 $aCoffea Arábica
653 $aCoffee
653 $aExpasion isoforms
653 $aFruit ripening
653 $aPerisperm
700 1 $aSANTOS, T. B.
700 1 $aSERA, T.
700 1 $aPOT, D.
700 1 $aVIEIRA, L. G. E.
700 1 $aPEREIRA, L. F. P.
773 $tPlant Biology, Germany$gv.13, n. 3, p. 462?471, 2011.
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Embrapa Café (CNPCa) |
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| 1. |  | AVILA, R. I. de; FENTEM, j.; VILLELA, I.; SOMLO, D.; ALMEIDA, A. M. F.; MENDES-GIANNINI, M. J. S.; CANAVEZ, A. D. P. M.; BOSQUETTI, B.; CATARINO, C. M.; SCHUCK, D. C.; VALADARES, B. N.; FACCHINI, G.; MARIGLIANI, B.; FIGUEIRA, A. C. M.; HICKSON, R.; LEME, D. M.; TAGLIATI, C.; SOUZA, L. C. R. de; ENGLER, S. S. M.; CORDEIRO, L. R. G.; KOEPP, J.; GRANJEIRO, J. M.; BRANDAO, H. de M.; MUNK, M.; MATTOS, K. A. de; PEDRALLI, B.; RODRIGUES, M. M. S. F.; STIVAL, A. C.; ANDRADE, J.; BRITO, L. B.; SANTOS, T. R. M. dos; LEITE, J.; SILVA, A. C. G. da; VALADARES, M. C. Brazilian National Network of Alternative Methods (RENAMA) 10th anniversary: meeting of the associated laboratories, may 2022. Alternatives to Laboratory Animals, v. 52, n. 1, p. 60-68, 2024.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 4 |
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