ArticleInternational journal of molecular sciences2019
Functional Dissection of the Chickpea (
Article in International journal of molecular sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.
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Who cites it
12 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Development and research trends of stay-green biology in legumes: a bibliometric and visual analysis over three decades.Frontiers in genetics · 2026Pooled it
- Chickpea (Foods (Basel, Switzerland) · 2026Review
- Annotated 3D Point Cloud Dataset of Broad-Leaf Legumes Captured by High-Throughput Phenotyping Platform.Scientific data · 2025Article
- Seed-Coat Pigmentation Plays a Crucial Role in Partner Selection and NPlants (Basel, Switzerland) · 2024Review
- Homolog of PeaGenes · 2023Article
- Safflower (PeerJ · 2023Article
- Dissecting the genetic basis of drought responses in common bean using natural variation.Frontiers in plant science · 2023Article
- The Key to the Future Lies in the Past: Insights from Grain Legume Domestication and Improvement Should Inform Future Breeding Strategies.Plant & cell physiology · 2022Review
- Genome-wide association analysis to delineate high-quality SNPs for seed micronutrient density in chickpea (Cicer arietinum L.).Scientific reports · 2022Article
- Breeding Drought-Tolerant Pearl Millet Using Conventional and Genomic Approaches: Achievements and Prospects.Frontiers in plant science · 2022Review
- Machine Learning-Based Plant Detection Algorithms to Automate Counting Tasks Using 3D Canopy Scans.Sensors (Basel, Switzerland) · 2021Article
- Legume Genetics and Biology: From Mendel's Pea to Legume Genomics.International journal of molecular sciences · 2020Article
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Authors and funding
20 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
"Stay-green" crop phenotypes have been shown to impact drought tolerance and nutritional content of several crops. We aimed to genetically describe and functionally dissect the particular stay-green phenomenon found in chickpeas with a green cotyledon color of mature dry seed and investigate its potential use for improvement of chickpea environmental adaptations and nutritional value. We examined 40 stay-green accessions and a set of 29 BC2F4-5 stay-green introgression lines using a stay-green donor parent ICC 16340 and two Indian elite cultivars (KAK2, JGK1) as recurrent parents. Genetic studies of segregating populations indicated that the green cotyledon trait is controlled by a single recessive gene that is invariantly associated with the delayed degreening (extended chlorophyll retention). We found that the chickpea ortholog of Mendel's I locus of garden pea, encoding a SGR protein as very likely to underlie the persistently green cotyledon color phenotype of chickpea. Further sequence characterization of this chickpea ortholog CaStGR1 (CaStGR1, for carietinum stay-green gene 1) revealed the presence of five different molecular variants (alleles), each of which is likely a loss-of-function of the chickpea protein (CaStGR1) involved in chlorophyll catabolism. We tested the wild type and green cotyledon lines for components of adaptations to dry environments and traits linked to agronomic performance in different experimental systems and different levels of water availability. We found that the plant processes linked to disrupted CaStGR1 gene did not functionality affect transpiration efficiency or water usage. Photosynthetic pigments in grains, including provitaminogenic carotenoids important for human nutrition, were 2-3-fold higher in the stay-green type. Agronomic performance did not appear to be correlated with the presence/absence of the stay-green allele. We conclude that allelic variation in chickpea CaStGR1 does not compromise traits linked to environmental adaptation and agronomic performance, and is a promising genetic technology for biofortification of provitaminogenic carotenoids in chickpea.
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