ArticleJournal of experimental botany2013
Differentially expressed myo-inositol monophosphatase gene (CaIMP) in chickpea (Cicer arietinum L.) encodes a lithium-sensitive phosphatase enzyme with broad substrate specificity and improves seed germination and seedling growth under abiotic stresses.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 1 of them a synthesis that pooled it.
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Who cites it
35 citing papers in PubMed, 1 synthesis or guideline pooled it, 81 citations in OpenAlex.
- Pooled it
- A pan-genomic perspective: comprehensive dissection of the FIG superfamily unravels its evolution, expansion, and environmental adaptation in wheat.BMC plant biology · 2026Article
- Comparative genomics and stress-responsive expression of the IMP gene family inFrontiers in plant science · 2026Article
- Lithium in plants.The New phytologist · 2025Review
- The Resistance of Germinating Pea (Plants (Basel, Switzerland) · 2025Article
- Review
- Impact of homologous overexpression of PR10a gene on improving salt stress tolerance in transgenic Solanum tuberosum.Journal, genetic engineering & biotechnology · 2024Article
- The host and pathogen myo-inositol-1-phosphate synthases are required for Rhizoctonia solani AG1-IA infection in tomato.Molecular plant pathology · 2024Article
- The ascorbate biosynthesis pathway in plants is known, but there is a way to go with understanding control and functions.Journal of experimental botany · 2024Review
- Deciphering the Genomic Characterization of the GGP Gene Family and Expression Verification ofAntioxidants (Basel, Switzerland) · 2024Article
- Low molecular weight carbohydrates and abiotic stress tolerance in lentil (Frontiers in plant science · 2024Review
- Profiling of conserved orthologs and miRNAs for understanding their role in salt tolerance mechanism of Sesuvium portulacastrum L.Molecular biology reports · 2023Article
- Proteomic profile of the germinating seeds reveals enhanced seedling growth in Arabidopsis rpp1a mutant.Plant molecular biology · 2023Article
- GhIMP10D, an inositol monophosphates family gene, enhances ascorbic acid and antioxidant enzyme activities to confer alkaline tolerance in Gossypium hirsutum L.BMC plant biology · 2023Article
- Raffinose family oligosaccharides (RFOs): role in seed vigor and longevity.Bioscience reports · 2022Review
- Metabolites Reprogramming and NaFrontiers in plant science · 2022Article
- The genetics of vigour-related traits in chickpea (Cicer arietinum L.): insights from genomic data.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Integrating a genome-wide association study with transcriptomic data to predict candidate genes and favourable haplotypes influencing Brassica napus seed phytate.DNA research : an international journal for rapid publication of reports on genes and genomes · 2021Article
- Phytohormone signaling and crosstalk in regulating drought stress response in plants.Plant cell reports · 2021Review
- Why Nature Chose Potassium.Journal of molecular evolution · 2019Review
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
myo-Inositol monophosphatase (IMP) is an essential enzyme in the myo-inositol metabolic pathway where it primarily dephosphorylates myo-inositol 1-phosphate to maintain the cellular inositol pool which is important for many metabolic and signalling pathways in plants. The stress-induced increased accumulation of inositol has been reported in a few plants including chickpea; however, the role and regulation of IMP is not well defined in response to stress. In this work, it has been shown that IMP activity is distributed in all organs in chickpea and was noticeably enhanced during environmental stresses. Subsequently, using degenerate oligonucleotides and RACE strategy, a full-length IMP cDNA (CaIMP) was cloned and sequenced. Biochemical study revealed that CaIMP encodes a lithium-sensitive phosphatase enzyme with broad substrate specificity, although maximum activity was observed with the myo-inositol 1-phosphate and l-galactose 1-phosphate substrates. Transcript analysis revealed that CaIMP is differentially expressed and regulated in different organs, stresses and phytohormones. Complementation analysis in Arabidopsis further confirmed the role of CaIMP in l-galactose 1-phosphate and myo-inositol 1-phosphate hydrolysis and its participation in myo-inositol and ascorbate biosynthesis. Moreover, Arabidopsis transgenic plants over-expressing CaIMP exhibited improved tolerance to stress during seed germination and seedling growth, while the VTC4/IMP loss-of-function mutants exhibited sensitivity to stress. Collectively, CaIMP links various metabolic pathways and plays an important role in improving seed germination and seedling growth, particularly under stressful environments.
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