ArticlePlant molecular biology2014
Functional roles of the pepper MLO protein gene, CaMLO2, in abscisic acid signaling and drought sensitivity.
Article in Plant molecular biology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 66 citations in OpenAlex.
- Comparative Transcriptomic Analysis Reveals the Underlying Mechanism ofPlants (Basel, Switzerland) · 2026Article
- Clade V MLO Genes Are Negative Modulators of Cucumber Defence Response to Meloidogyne incognita.Molecular plant pathology · 2025Article
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- Physiological and Genetic Aspects of Resistance to Abiotic Stresses inPlants (Basel, Switzerland) · 2024Review
- The S-acylation cycle of transcription factor MtNAC80 influences cold stress responses in Medicago truncatula.The Plant cell · 2024Article
- Modulation of the wheat transcriptome by TaZFP13D under well-watered and drought conditions.Plant molecular biology · 2024Article
- Autonomous differentiation of transgenic cells requiring no external hormone application: the endogenous gene expression and phytohormone behaviors.Frontiers in plant science · 2024Article
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- Bradyrhizobium japonicum IRAT FA3 promotes salt tolerance through jasmonic acid priming in Arabidopsis thaliana.BMC plant biology · 2023Article
- Tomato leaves under stress: a comparison of stress response to mild abiotic stress between a cultivated and a wild tomato species.Plant molecular biology · 2021Article
- Comprehensive transcriptome resource for response to phytohormone-induced signaling in Capsicum annuum L.BMC research notes · 2020Article
- Phylogenetic Relationship of PlantGenes · 2020Article
- Pepper Novel Serine-Threonine Kinase CaDIK1 Regulates Drought ToleranceFrontiers in plant science · 2020Article
- Mildew Resistance Locus O GenesInternational journal of molecular sciences · 2019Article
- Over-Expression of a MaizeFrontiers in plant science · 2018Article
- Milestones achieved in response to drought stress through reverse genetic approaches.F1000Research · 2018Review
- The Pepper RING-Type E3 Ligase CaAIRF1 Regulates ABA and Drought Signaling via CaADIP1 Protein Phosphatase Degradation.Plant physiology · 2017Article
- Pepper CaREL1, a ubiquitin E3 ligase, regulates drought tolerance via the ABA-signalling pathway.Scientific reports · 2017Article
- The Pepper RING Finger E3 Ligase, CaDIR1, Regulates the Drought Stress Response via ABA-Mediated Signaling.Frontiers in plant science · 2017Article
- Reverse Genetics and High Throughput Sequencing Methodologies for Plant Functional Genomics.Current genomics · 2016Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants are frequently exposed to various environmental stresses including drought in the natural environment and have evolved physiological, biochemical, and molecular mechanisms to counteract the deleterious effects of stress. Of them, modulation of abscisic acid (ABA) signal transduction allows plants to overcome stress. Recently, Kim and Hwang (Plant J 72:843-855, 2012) identified CaMLO2 that is transcriptionally induced by both biotic and abiotic stress. Based on this, we tested the possibility that CaMLO2 is involved in abiotic stress, although m ildew resistance l ocus O (MLO) proteins have been known as negative regulators in plant defense responses against powdery mildew. The CaMLO2 gene was strongly induced in pepper leaves exposed to ABA and drought. Virus-induced gene silencing of CaMLO2 in pepper plants showed low levels of transpiration and lipid peroxidation in dehydrated leaves. Overexpression of the CaMLO2 gene in Arabidopsis conferred reduced sensitivity to ABA in germination and seedling growth and establishment. High transpiration rates and low degrees of stomatal closure in response to ABA also led transgenic plants to be more vulnerable to drought than the wild-type, which was accompanied by altered expression of stress-related genes. Taken together, these data suggest that CaMLO2 acts as a negative regulator of ABA signaling that suppresses water loss from leaves under drought conditions.
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