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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
09/06/1999 |
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Data da última atualização: |
09/06/1999 |
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Autoria: |
BAKER, J.; STEELE, C.; DURE, L. |
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Afiliação: |
Department of Biochemistry, University of Georgia, Athens, GA 30602, USA. |
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Título: |
Sequence and characterization of 6 lea proteins and their genes from cotton |
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Ano de publicação: |
1988 |
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Fonte/Imprenta: |
Plant Molecular Biology, v.11, n.3, p.277-292, 1988 |
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Idioma: |
Inglês |
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Conteúdo: |
Lea genes code for mRNAs and proteins that are/ate embryogenesis abundant in higher plant seed embryos. They appear to be ubiquitous in higher plants and may be induced to high levels of expression in other tissues and at other times of ontogeny by ABA and/or desiccation. Presented here are the genomic and cDNA sequences for 6 of these genes from cotton seed embryos and the derived amino acid sequences of the corresponding proteins. The Lea genes contain the standard sequence features of eucaryotic genes (TATA box and poly (A) addition sequences) and have 1 or more introns. Sequences differences between cDNA and genomic DNA confirm the existence of small multigene families for several Lea genes. The amino acid composition and sequence for the Lea proteins are unusual. Five are extremely hydrophilic, four contain no cys or trp and 4 have sequence domains that suggest amphiphilic helical structures. Hypothetical functions in desiccation survival, based on amino acid sequence, are discussed. |
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Palavras-Chave: |
Cotton genes; Cotton proteins; Lea genes; Lea proteins; Plant desiccation. |
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Thesaurus Nal: |
abscisic acid. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01581naa a2200217 a 4500
001 1648206
005 1999-06-09
008 1988 bl --- 0-- u #d
100 1 $aBAKER, J.
245 $aSequence and characterization of 6 lea proteins and their genes from cotton
260 $c1988
520 $aLea genes code for mRNAs and proteins that are/ate embryogenesis abundant in higher plant seed embryos. They appear to be ubiquitous in higher plants and may be induced to high levels of expression in other tissues and at other times of ontogeny by ABA and/or desiccation. Presented here are the genomic and cDNA sequences for 6 of these genes from cotton seed embryos and the derived amino acid sequences of the corresponding proteins. The Lea genes contain the standard sequence features of eucaryotic genes (TATA box and poly (A) addition sequences) and have 1 or more introns. Sequences differences between cDNA and genomic DNA confirm the existence of small multigene families for several Lea genes. The amino acid composition and sequence for the Lea proteins are unusual. Five are extremely hydrophilic, four contain no cys or trp and 4 have sequence domains that suggest amphiphilic helical structures. Hypothetical functions in desiccation survival, based on amino acid sequence, are discussed.
650 $aabscisic acid
653 $aCotton genes
653 $aCotton proteins
653 $aLea genes
653 $aLea proteins
653 $aPlant desiccation
700 1 $aSTEELE, C.
700 1 $aDURE, L.
773 $tPlant Molecular Biology$gv.11, n.3, p.277-292, 1988
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Embrapa Mandioca e Fruticultura (CNPMF) |
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| 1. |  | SANTOS, A. T. L. dos; CARNEIRO, J. N. P.; CRUZ, R. P. da; SALES, D. L.; PINHEIRO, J. C. A.; FREITAS, M. A. de; KERNTOPF, M. R.; DELMONDES, G. de A.; RIBEIRO, P. R. V.; BRITO, E. S. de; BATISTA, F. L. A.; MAGALHÃES, F. E. A.; PITA NETO, I. C.; BRAGA, M. F. B. M.; KOWALSKI, R.; KOWALSKA, G.; SZOPA, A.; BAJ, T.; COUTINHO, H. D. M. UPLC-MS-ESI-QTOF analysis and antifungal activity of aqueous extracts of Spondias tuberosa. Molecules, Basel, v. 28, n. 1, art. 305, Jan. 2023. 14 p.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
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