ArticleFrontiers in plant science2015
The putative Cationic Amino Acid Transporter 9 is targeted to vesicles and may be involved in plant amino acid homeostasis.
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 22 citations in OpenAlex.
- Circle-seq analysis reveals the involvement of eccDNAs in salt stress response of bermudagrass (Cynodon dactylon).BMC genomics · 2026Article
- CATION AMINO ACID TRANSPORTER1 encodes an arginine transporter whose expression is influenced by daylength and Photoperiod-1.Annals of botany · 2026Article
- Cloning, Expression and Functional Characterization ofInternational journal of molecular sciences · 2025Article
- Genome-Wide Identification of theInternational journal of molecular sciences · 2024Article
- Advances in Plant GABA Research: Biological Functions, Synthesis Mechanisms and Regulatory Pathways.Plants (Basel, Switzerland) · 2024Review
- Comprehensive genomic characterization of cotton cationic amino acid transporter genes reveals that GhCAT10D regulates salt tolerance.BMC plant biology · 2022Article
- Dynamic Expression, Differential Regulation and Functional Diversity of the CNGC Family Genes in Cotton.International journal of molecular sciences · 2022Article
- Article
- Promoter profiling of Arabidopsis amino acid transporters: clues for improving crops.Plant molecular biology · 2021Review
- Tonoplast-Localized Theanine Transporter CsCAT2 May Mediate Theanine Storage in the Root of Tea Plants (Frontiers in plant science · 2021Article
- Association genetics of the parameters related to nitrogen use efficiency in Brassica juncea L.Plant molecular biology · 2021Article
- Multi-gene metabolic engineering of tomato plants results in increased fruit yield up to 23%.Scientific reports · 2020Article
- Amino Acid Transporters in Plant Cells: A Brief Review.Plants (Basel, Switzerland) · 2020Review
- Transcriptomic Study for Identification of Major Nitrogen Stress Responsive Genes in Australian Bread Wheat Cultivars.Frontiers in genetics · 2020Article
- Network-Guided GWAS Improves Identification of Genes Affecting Free Amino Acids.Plant physiology · 2017Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Amino acids are major primary metabolites. Their uptake, translocation, compartmentation, and re-mobilization require a diverse set of cellular transporters. Here, the broadly expressed gene product of CATIONIC AMINO ACID TRANSPORTER 9 (CAT9) was identified as mainly localized to vesicular membranes that are involved in vacuolar trafficking, including those of the trans-Golgi network. In order to probe whether and how these compartments are involved in amino acid homeostasis, a loss-of-function cat9-1 mutant and ectopic over-expressor plants were isolated. Under restricted nitrogen supply in soil, cat9-1 showed a chlorotic phenotype, which was reversed in the over-expressors. The total soluble amino acid pools were affected in the mutants, but this was only significant under poor nitrogen supply. Upon nitrogen starvation, the soluble amino acid leaf pools were lower in the over-expressor, compared with cat9-1. Over-expression generally affected total soluble amino acid concentrations, slightly delayed development, and finally improved the survival upon severe nitrogen starvation. The results potentially identify a novel function of vesicular amino acid transport mediated by CAT9 in the cellular nitrogen-dependent amino acid homeostasis.
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