ArticlePlant molecular biology2001
Molecular characterization of the brassinosteroid-deficient lkb mutant in pea.
Article in Plant molecular biology, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 49 citations in OpenAlex.
- Manipulating brassinosteroid signaling pathway to genetically improve horticultural plants.aBIOTECH · 2025Review
- Brassinosteroids play multiple roles in nodulation of pea via interactions with ethylene and auxin.Planta · 2020Article
- Article
- Maize brachytic2 (br2) suppresses the elongation of lower internodes for excessive auxin accumulation in the intercalary meristem region.BMC plant biology · 2019Article
- Comparative transcriptome analysis provides insights into dwarfism in cherry tomato (Solanum lycopersicum var. cerasiforme).PloS one · 2018Article
- Interactions between ethylene, gibberellins, and brassinosteroids in the development of rhizobial and mycorrhizal symbioses of pea.Journal of experimental botany · 2016Article
- Plant hormones in arbuscular mycorrhizal symbioses: an emerging role for gibberellins.Annals of botany · 2013Article
- Brd1 gene in maize encodes a brassinosteroid C-6 oxidase.PloS one · 2012Article
- Characterization of two brassinosteroid C-6 oxidase genes in pea.Plant physiology · 2007Article
- Roles of brassinosteroids and related mRNAs in pea seed growth and germination.Plant physiology · 2007Article
- Grapes on steroids. Brassinosteroids are involved in grape berry ripening.Plant physiology · 2006Article
- Physical restriction of pods causes seed size reduction of a brassinosteroid-deficient faba bean (Vicia faba).Annals of botany · 2006Article
- Article
- Nodulation phenotypes of gibberellin and brassinosteroid mutants of pea.Plant physiology · 2005Article
- Brassinosteroid deficiency due to truncated steroid 5alpha-reductase causes dwarfism in the lk mutant of pea.Plant physiology · 2004Article
- Brassinosteroids do not undergo long-distance transport in pea. Implications for the regulation of endogenous brassinosteroid levels.Plant physiology · 2004Article
- A dominant mutation in the pea PHYA gene confers enhanced responses to light and impairs the light-dependent degradation of phytochrome A.Plant physiology · 2004Article
- Isolation and characterization of a rice dwarf mutant with a defect in brassinosteroid biosynthesis.Plant physiology · 2002Article
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
Abstract
The brassinosteriod-deficient lkb mutant of garden pea (Pisum sativum L.) is characterized by an erectoides phenotype (reduced internode length, thickened stems, epinastic leaves), which is rescued by application of exogenous brassinolide. We show that the LKB gene is the Arabidopsis DIMINUTO/DWARF-1 (DIM/DWF1) homologue of pea. The DIM/DWF1 homologue from lkb plants contains a mutation that may result in reduced enzyme function, thus resulting in the previously shown accumulation of 24-methylenecholesterol and a deficiency of its hydrogenated product, campesterol. This ultimately leads to a deficiency of the biologically active brassionolide. The mutation in the lkb sequence cosegregates with the lkb phenotype. Northern analyis of the LKB gene revealed that the gene is ubiquitously expressed around the plant and that there is no evidence for negative feedback regulation of the gene.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.