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| Publication Type:
| Refereed |
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| Author(s): | Hoglund, Anna-Stina;
Rodin, Joakim;
Larsson, Erik;
Rask, Lars |
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| Author Affiliation: | Department of Cell Research Uppsala Biomedical Center, Swedish University of Agricultural Sciences, Box 596, S-75124 Uppsala, Sweden |
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| Title: | Distribution of napin and cruciferin in developing rape seed embryos |
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| Source: | Plant Physiology. Vol. 98, No. 2, February 1992, p. 509-515. |
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| Publishing Information: | Lancaster, PA: American Society of Plant Physiologists |
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| Keywords: | TIC Keywords: Distribution; Seed production; Proteins; Research
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| Abstract/Contents: | "The distribution of napin and cruciferein, the two major storage proteins in rap seed, Brassica napus, has been visualized during seed development by antibody staining of paraffin-embedded and sectioned seeds. The results indicate that the synthesis of both proteins during embryogenesis is strictly regulated with respect to time and tissue. Although the synthesis of napin started a few days earlier than that of cruciferin, both proteins displayed similar patterns in their spatial distributions. They were first detected in the axis, then in the outer cotyledon, and finally in the cells of the inner cotyledon. Both proteins are also present in the endosperm, although in lower amounts. In germinating seeds, napin and cruciferin were rapidly degraded. Within 2 days the amounts had decreased dramatically, and after 4 days hardly any cells contained napin or cruciferin. Biochemical analyses of dissected embryos showed that, for napin as well as for cruciferin, similar levels of polypeptides were found in the axis and cotyledons." |
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| Language: | English |
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| References: | 21 |
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| Note: | Figures
Pictures, color |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hoglund, A.-S., J. Rodin, E. Larsson, and L. Rask. 1992. Distribution of napin and cruciferin in developing rape seed embryos. Plant Physiol. 98(2):p. 509-515. |
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