Endogenous abscisic acid and protein contents during seed development of Araucaria angustifolia

This paper describes a proteome analysis and changes in endogenous abscisic acid (ABA) contents during seed development of Araucaria angustifolia. Megagametophytes and embryonic axis tissues exhibited a similar ABA variation pattern during seed development, reaching maximum values at the pre-cotyled...

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Veröffentlicht in:	Biologia plantarum 2008-03, Vol.52 (1), p.101-104
Hauptverfasser:	Silveira, V.,CBB-EUNF, Rio de Janeiro (Brazil). Biotechnology Lab, Santa-Catarina, C.,IB-Univ. of Sao Paulo (Brazil). Dept. of Botany, Balbuena, T.S.,IB-Univ. of Sao Paulo (Brazil). Dept. of Botany, Moraes, F.M.S.,IB-Univ. of Brasilia (Brazil). Dept. of Cell Biology, Ricart, C.A.O.,IB-Univ. of Brasilia (Brazil). Dept. of Cell Biology, Sousa, M.V.,IB-Univ. of Brasilia (Brazil). Dept. of Cell Biology, Guerra, M.P.,CCA-Federal Univ. of Santa Catarina, Florianopolis (Brazil). Dept. of Plant Science, Handro, W.,IB-Univ. of Sao Paulo (Brazil). Dept. of Botany, Floh, E.I.S.,IB-Univ. of Sao Paulo (Brazil). Dept. of Botany
Format:	Artikel
Sprache:	eng
Schlagworte:	ABA ARAUCARIA ANGUSTIFOLIA Biomedical and Life Sciences Brief Communication CONTENIDO PROTEICO ELECTROFORESIS ELECTROPHORESE ELECTROPHORESIS EMBRIOGENESIS SOMATICA EMBRIONES VEGETALES EMBRYOGENESE SOMATIQUE EMBRYON VEGETAL ETAPAS DE DESARROLLO DE LA PLANTA http://www.fao.org/aos/agrovoc#c_2523 http://www.fao.org/aos/agrovoc#c_2543 http://www.fao.org/aos/agrovoc#c_3 http://www.fao.org/aos/agrovoc#c_33936 http://www.fao.org/aos/agrovoc#c_36911 http://www.fao.org/aos/agrovoc#c_5691 http://www.fao.org/aos/agrovoc#c_580 http://www.fao.org/aos/agrovoc#c_5959 http://www.fao.org/aos/agrovoc#c_6251 Life Sciences PEPTIDE PEPTIDES PEPTIDOS PLANT DEVELOPMENTAL STAGES PLANT EMBRYOS Plant Sciences PROTEIN CONTENT PROTEINAS DE RESERVA PROTEINE DE RESERVE SOMATIC EMBRYOGENESIS STADE DE DEVELOPPEMENT VEGETAL STORAGE PROTEINS TENEUR EN PROTEINES
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Zusammenfassung:	This paper describes a proteome analysis and changes in endogenous abscisic acid (ABA) contents during seed development of Araucaria angustifolia. Megagametophytes and embryonic axis tissues exhibited a similar ABA variation pattern during seed development, reaching maximum values at the pre-cotyledonary stage. The embryonic axis protein content increased until the cotyledonary stage with following stabilization at mature seed. The two-dimensional electrophoresis at the torpedo developmental stage showed approximately 230 polypeptides against 340 in the mature stage. Peptide mass fingerprinting analyses identified three polypeptides, corresponding to an AtSAC4, a late embryogenesis abundant (LEA) and a storage protein, respectively.
ISSN:	0006-3134 1573-8264 1573-8264
DOI:	10.1007/s10535-008-0018-3