Events following ABA treatment of spruce somatic embryos |
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Authors: | David I. Dunstan Jin-Zhuo Dong Danielle J. Carrier Suzanne R. Abrams |
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Affiliation: | (1) Plant Biotechnology Institute, National Research Council Canada, 110 Gymnasium Place, S7N 0W9 Saskatoon, Saskatchewan, Canada;(2) Department of Crop Science, Horticulture Research International, East Malling, ME19 West Malling, Kent, UK |
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Abstract: | Summary Abscisic acid (ABA) is involved in various physiological processes in plant growth and in the development of embryos and the maturation of seed. There is still much to learn about the influence of ABA on regulation of gene expression during plant and seed development. Perhaps not surprisingly, ABA has a major role in the stimulation of somatic embryo maturation in several conifer species, especially spruces. In spite of this, our knowledge of the effects of exogenous ABA is incomplete, for example the effect of ABA concentration on its uptake and fate has rarely been investigated during somatic embryo culture, and our knowledge of molecular events in conifer somatic embryo development is very scant. The intent of this review is to summarize some of the recent research in spruce somatic embryo development related to the use of ABA and to the consequence of its use. National Research Council Canada publication no. 40708. |
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Keywords: | ABA somatic embryo spruce conifer gene expression cDNA |
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