The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Starch granule initiation and growth are altered in barley mutants that lack isoamylase activity
Abstract
Summary: Two mutant lines of barley, Risø 17 and Notch‐2, were found to accumulate phytoglycogen in the grain. Like the sugary mutants of maize and rice, these phytoglycogen‐accumulating mutants of barley lack isoamylase activity in the developing endosperm. The mutants were shown to be allelic, and to have lesions in the isoamylase gene, isa1 that account for the absence of this enzyme. As well as causing a reduction in endosperm starch content, the mutations have a profound effect on the structure, number and timing of initiation of starch granules. There are no normal A‐type or B‐type granules in the mutants. The mutants have a greater number of starch granules per plastid than the wild‐type and, particularly in Risø 17, this leads to the appearance of compound starch granules. These results suggest that, as well as suppressing phytoglycogen synthesis, isoamylase in the wild‐type endosperm plays a role in determining the number, and hence the form, of starch granules.
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Cites
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Cited by
Starch: its metabolism, evolution, and biotechnological modification in plants
Zeeman, S. C., Kossmann, J., & Smith, A. M. (2010) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-042809-112301 · Cited by 1,095
Formation of starch in plant cells
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Starch Biosynthesis in the Developing Endosperms of Grasses and Cereals
Tetlow, I. J., & Emes, M. J. (2017) · Agronomy · doi:10.3390/agronomy7040081 · Cited by 112
Barley Grain Carbohydrates: Starch and Cell Walls
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Self-citation
Metadata
- Authors
- Burton, R. A., Jenner, H., Carrangis, L., Fahy, B., Fincher, G. B., Hylton, C., Laurie, D. A., Parker, M., Waite, D., Van Wegen, S., Verhoeven, T., & Denyer, K.
- Venue
- The Plant Journal
- Publisher
- Wiley
- Published
- 2002-07
- Volume
- 31
- Issue
- 1
- Pages
- 97-112
- ISSN
- 0960-7412 (ISSN-L)
- 1365-313X
- OpenAlex
- W2166818463
- Cited by
- 266
- References
- 33
- FWCI
- 11.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Burton, R. A., Jenner, H., Carrangis, L., Fahy, B., Fincher, G. B., Hylton, C., Laurie, D. A., Parker, M., Waite, D., Van Wegen, S., Verhoeven, T., & Denyer, K. (2002). Starch granule initiation and growth are altered in barley mutants that lack isoamylase activity. The Plant Journal. https://doi.org/10.1046/j.1365-313x.2002.01339.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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