ArticleGenetics2015
An epiallele at cly1 affects the expression of floret closing (cleistogamy) in barley.
Article in Genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Epiallelic Variation of TILLER ANGLE CONTROL 5 (TAC5) Regulates Tiller Angle by Modulating Gravitropism in Rice.Rice (New York, N.Y.) · 2025Article
- DNA methylation analysis of floral parts revealed dynamic changes during the development of homostylous Fagopyrum tataricum and heterostylous F. esculentum flowers.BMC plant biology · 2024Article
- Accumulation of mutations in theMolecular breeding : new strategies in plant improvement · 2024Article
- Identification of candidate genes responsible for chasmogamy in wheat.BMC genomics · 2023Article
- Seasonal and Simultaneous Cleistogamy in Rostrate Violets (Plants (Basel, Switzerland) · 2021Article
- A novel mutant allele at the Cleistogamy 1 locus in barley.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- APETALA 2-like genes AP2L2 and Q specify lemma identity and axillary floral meristem development in wheat.The Plant journal : for cell and molecular biology · 2020Article
- Article
- miR172 downregulates the translation of cleistogamy 1 in barley.Annals of botany · 2018Article
- Polymorphism of floral type gene Cly1 and its association with thermal stress in barley.PloS one · 2018Article
- Transcriptomic Analysis Reveals New Insights into High-Temperature-Dependent Glume-Unclosing in an Elite Rice Male Sterile Line.Frontiers in plant science · 2017Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The swelling of the lodicule is responsible for floret opening in many grass species, allowing for pollen dispersal and cross-pollination. In barley, the closed floret habit (cleistogamy) is under the control of cly1, a gene that operates by inhibiting the development of the lodicule. In non-cleistogamous cultivars, cly1 mRNA is degraded by miR172-directed cleavage, allowing the lodicules to swell; however, in cultivars carrying the recessive allele cly1.b, a single-nucleotide substitution destroys the miR172 target site preventing mRNA cleavage. Barley cv. SV235 is cleistogamous; its cly1 coding sequence is identical to that of cly1.b, but its lodicules do develop, although insufficiently to produce a non-cleistogamous flower. In this cultivar, the downregulation of cly1 is unrelated to miR172-directed mRNA degradation, but rather is caused by an epiallele that represses transcription. Allelic relationships between known cly1 alleles were explored by the quantification of lodicule vascularization and an assessment of the response of the spike to the supply of exogenous auxin. The SV235 phenotype can be manipulated by a pre-anthesis application of 2,4-d, a feature that could be of interest in the context of hybrid barley grain production based on cleistogamy.
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