The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Mutants at the Slender1 Locus of Barley cv Himalaya. Molecular and Physiological Characterization
Open accessAbstract
A dominant dwarf mutant of barley (Hordeum vulgare) that resembles dominant gibberellin (GA) “-insensitive” or “-nonresponsive” mutants in other species is described. α-Amylase production by endosperm half-grains of the mutant required GA3 at concentrations about 100 times that of the WT. The mutant showed only a slight growth response to GA3, even at very high concentrations. However, when additionally dwarfed, growth rate responded to GA3over the normal concentration range, although only back to the original (dwarf) elongation rate. Genetic studies indicated that the dominant dwarf locus was either closely linked or identical to theSln1 (Slender1) locus. A barley sequence related to Arabidopsis GAI/RGA was isolated, and shown to represent the Sln1 locus by the analysis ofsln1 mutants. The dominant dwarf mutant was also altered in this sequence, indicating that it too is an allele atSln1. Thus, mutations at Sln1 generate plants of radically different phenotypes; either dwarfs that are largely dominant and GA “-insensitive/-nonresponsive,” or the recessive slender types in which GA responses appear to be constitutive. Immunoblotting studies showed that in growing leaves, SLN1 protein localized almost exclusively to the leaf elongation zone. In mutants at the Sln1 locus, there were differences in both the abundance and distribution of SLN1 protein, and large changes in the amounts of bioactive GAs, and of their metabolic precursors and catabolites. These results suggest that there are dynamic interactions between SLN1 protein and GA content in determining leaf elongation rate.
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Cites
‘Green revolution’ genes encode mutant gibberellin response modulators
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Gibberellin Signaling in Barley Aleurone Cells. Control of SLN1 and GAMYB Expression
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Andersen, J. R., & Lübberstedt, T. (2003) · Trends in Plant Science · doi:10.1016/j.tplants.2003.09.010 · Cited by 796
Accumulation of Phosphorylated Repressor for Gibberellin Signaling in an F-box Mutant
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A Century of Gibberellin Research
Hedden, P., & Sponsel, V. (2015) · Journal of Plant Growth Regulation · doi:10.1007/s00344-015-9546-1 · Cited by 607
The Arabidopsis SLEEPY1 Gene Encodes a Putative F-Box Subunit of an SCF E3 Ubiquitin Ligase[W]
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Metadata
- Authors
- Chandler, P. M., Marion-Poll, A., Ellis, M., & Gubler, F.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2002-05-01
- Volume
- 129
- Issue
- 1
- Pages
- 181-190
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2102438226
- Cited by
- 305
- References
- 18
- FWCI
- 21.67
- Type
- journal article
- Language
- en
- Open access
- green
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