ArticleFrontiers in plant science2014
Disruption of the ammonium transporter AMT1.1 alters basal defenses generating resistance against Pseudomonas syringae and Plectosphaerella cucumerina.
Article in Frontiers in plant science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed.
- Genome-wide analysis of the ammonium transporters gene family in Phaseolus vulgaris and its roles in response to drought and salinity stress.Scientific reports · 2025Article
- IDD10-NAC079 transcription factor complex regulates sheath blight resistance by inhibiting ethylene signaling in rice.Journal of advanced research · 2025Article
- Nitrogen Journey in Plants: From Uptake to Metabolism, Stress Response, and Microbe Interaction.Biomolecules · 2023Review
- Multi-environment evaluation of rice genotypes: impact of weather and culm biochemical parameters against sheath blight infection.Frontiers in plant science · 2023Article
- To have or not to have: expression of amino acid transporters during pathogen infection.Plant molecular biology · 2022Review
- Ammonium transporter 1 increases rice resistance to sheath blight by promoting nitrogen assimilation and ethylene signalling.Plant biotechnology journal · 2022Article
- Article
- Detection of candidate genes and development of KASP markers for Verticillium wilt resistance by combining genome-wide association study, QTL-seq and transcriptome sequencing in cotton.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Function and Regulation of Ammonium Transporters in Plants.International journal of molecular sciences · 2020Review
- Unravelling the Roles of Nitrogen Nutrition in Plant Disease Defences.International journal of molecular sciences · 2020Review
- TaAMT2;3a, a wheat AMT2-type ammonium transporter, facilitates the infection of stripe rust fungus on wheat.BMC plant biology · 2019Article
- Transcriptome analysis of two cultivars of tobacco in response to Cucumber mosaic virus infection.Scientific reports · 2019Article
- Can Ammonium Stress Be Positive for Plant Performance?Frontiers in plant science · 2019Article
- Nitrogen Limitation Alters the Response of Specific Genes to Biotic Stress.International journal of molecular sciences · 2018Article
- Autoimmunity in plants.Planta · 2018Review
- Omics approaches revealed how arbuscular mycorrhizal symbiosis enhances yield and resistance to leaf pathogen in wheat.Scientific reports · 2018Article
- Toward Eradication of B-Vitamin Deficiencies: Considerations for Crop Biofortification.Frontiers in plant science · 2018Review
- Metabolite profiling of non-sterile rhizosphere soil.The Plant journal : for cell and molecular biology · 2017Article
- Identification of Ftr1 and Zrt1 as iron and zinc micronutrient transceptors for activation of the PKA pathway inMicrobial cell (Graz, Austria) · 2017Article
- Increase of Fungal Pathogenicity and Role of Plant Glutamine in Nitrogen-Induced Susceptibility (NIS) To Rice Blast.Frontiers in plant science · 2017Article
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6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Disruption of the high-affinity nitrate transporter NRT2.1 activates the priming defense against Pseudomonas syringae, resulting in enhanced resistance. In this study, it is demonstrated that the high-affinity ammonium transporter AMT1.1 is a negative regulator of Arabidopsis defense responses. The T-DNA knockout mutant amt1.1 displays enhanced resistance against Plectosphaerella cucumerina and reduced susceptibility to P. syringae. The impairment of AMT1.1 induces significant metabolic changes in the absence of challenge, suggesting that amt1.1 retains constitutive defense responses. Interestingly, amt1.1 combats pathogens differently depending on the lifestyle of the pathogen. In addition, N starvation enhances the susceptibility of wild type plants and the mutant amt1.1 to P. syringae whereas it has no effect on P. cucumerina resistance. The metabolic changes of amt1.1 against P. syringae are subtler and are restricted to the phenylpropanoid pathway, which correlates with its reduced susceptibility. By contrast, the amt1.1 mutant responds by activating higher levels of camalexin and callose against P. cucumerina. In addition, amt1.1 shows altered levels of aliphatic and indolic glucosinolates and other Trp-related compounds following infection by the necrotroph. These observations indicate that AMT1.1 may play additional roles that affect N uptake and plant immune responses.
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