ArticleThe New phytologist2022
The SINGLE FLOWER (SFL) gene encodes a MYB transcription factor that regulates the number of flowers produced by the inflorescence of chickpea.
Article in The New phytologist, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 19 citations in OpenAlex.
- Genomic dissection of phenological and yield-associated traits in lentil (Physiology and molecular biology of plants : an international journal of functional plant biology · 2026Article
- Trait Association for Flowering Time in Lentil from Global Multi-Environment Data Using GWAS and Machine Learning.Plants (Basel, Switzerland) · 2026Article
- Identification and characterization of theFrontiers in plant science · 2026Article
- GePIF4 Increases the Multi-Flower/Capsule-Bearing Traits and Gastrodin Biosynthesis inPlants (Basel, Switzerland) · 2025Article
- Phenotypic and genetic characterization of a near-isogenic line pair: insights into flowering time in chickpea.BMC plant biology · 2024Article
- Control of compound leaf patterning by MULTI-PINNATE LEAF1 (MPL1) in chickpea.Nature communications · 2023Article
- The developmental dynamics in cool season legumes with focus on chickpea.Plant molecular biology · 2023Review
- Review
- Molecular Breeding and Drought Tolerance in Chickpea.Life (Basel, Switzerland) · 2022Review
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7 authors at 4 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Legumes usually have compound inflorescences, where flowers/pods develop from secondary inflorescences (I2), formed laterally at the primary inflorescence (I1). Number of flowers per I2, characteristic of each legume species, has important ecological and evolutionary relevance as it determines diversity in inflorescence architecture; moreover, it is also agronomically important for its potential impact on yield. Nevertheless, the genetic network controlling the number of flowers per I2 is virtually unknown. Chickpea (Cicer arietinum) typically produces one flower per I2 but single flower (sfl) mutants produce two (double-pod phenotype). We isolated the SFL gene by mapping the sfl-d mutation and identifying and characterising a second mutant allele. We analysed the effect of sfl on chickpea inflorescence ontogeny with scanning electron microscopy and studied the expression of SFL and meristem identity genes by RNA in situ hybridisation. We show that SFL corresponds to CaRAX1/2a, which codes a MYB transcription factor specifically expressed in the I2 meristem. Our findings reveal SFL as a central factor controlling chickpea inflorescence architecture, acting in the I2 meristem to regulate the length of the period for which it remains active, and therefore determining the number of floral meristems that it can produce.
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