Abstract
This paper describes a proteome analysis and changes in endogenous abscisic acid (ABA) contents during seed development of Araucaria angustifolia (Bert.) O. Ktze. 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.
Abbreviations
- ABA:
-
abscisic acid
- f.m.:
-
fresh matter
- HPLC:
-
high performance liquid chromatography
- LEA:
-
late embryogenesis abundant protein
- PMF:
-
peptide mass fingerprinting
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Silveira, V., Santa-Catarina, C., Balbuena, T.S. et al. Endogenous abscisic acid and protein contents during seed development of Araucaria angustifolia . Biol Plant 52, 101–104 (2008). https://doi.org/10.1007/s10535-008-0018-3
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DOI: https://doi.org/10.1007/s10535-008-0018-3