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    RCP1 root cap 1 (RCP1) [ Arabidopsis thaliana (thale cress) ]

    Gene ID: 831618, updated on 18-Sep-2024

    Summary

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    Official Symbol
    RCP1
    Official Full Name
    root cap 1 (RCP1)
    Primary source
    TAIR:AT5G17520
    Locus tag
    AT5G17520
    See related
    Araport:AT5G17520
    Gene type
    protein coding
    RefSeq status
    REVIEWED
    Organism
    Arabidopsis thaliana (ecotype: Columbia)
    Lineage
    Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
    Also known as
    K3M16.90; K3M16_90; MALTOSE EXCESS 1; MEX1; ROOT CAP 1
    Summary
    Encodes a maltose transporter that is expressed in leaves and roots. Mutations at the MEX1 locus cause accumulation of both starch and maltose in leaves, with maltose levels at least 40 times higher than that of wild-type. This gene encodes a protein located in the chloroplast envelope.
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    Genomic context

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    See RCP1 in Genome Data Viewer
    Location:
    chromosome: 5
    Exon count:
    9
    Sequence:
    Chromosome: 5; NC_003076.8 (5772568..5775417, complement)

    Chromosome 5 - NC_003076.8Genomic Context describing neighboring genes Neighboring gene RGA-like protein 3 Neighboring gene Glycosyl hydrolase superfamily protein Neighboring gene mediator of RNA polymerase II transcription subunit-like protein Neighboring gene phosphoglucosamine mutase family protein Neighboring gene maltose excess-like protein Neighboring gene phosphoglucosamine mutase family protein Neighboring gene HXXXD-type acyl-transferase family protein

    Genomic regions, transcripts, and products

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    Genomic Sequence:
    NC_003076.8

    Go to nucleotide: Graphics FASTA GenBank

    Bibliography

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    Related articles in PubMed

    1. Ectopic maltase alleviates dwarf phenotype and improves plant frost tolerance of maltose transporter mutants. Cvetkovic J, et al. Plant Physiol, 2021 May 27. PMID 33650638, Free PMC Article
    2. Leaves of the Arabidopsis maltose exporter1 mutant exhibit a metabolic profile with features of cold acclimation in the warm. Purdy SJ, et al. PLoS One, 2013. PMID 24223944, Free PMC Article
    3. A previously unknown maltose transporter essential for starch degradation in leaves. Niittylä T, et al. Science, 2004 Jan 2. PMID 14704427
    4. Genetic ablation of root cap cells in Arabidopsis. Tsugeki R, et al. Proc Natl Acad Sci U S A, 1999 Oct 26. PMID 10536027, Free PMC Article
    5. Role of the plastidic glucose translocator in the export of starch degradation products from the chloroplasts in Arabidopsis thaliana. Cho MH, et al. New Phytol, 2011 Apr. PMID 21175634

    See all (12) citations in PubMed

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?
    1. Ectopic maltase alleviates dwarf phenotype and improves plant frost tolerance of maltose transporter mutants.
      Title: Ectopic maltase alleviates dwarf phenotype and improves plant frost tolerance of maltose transporter mutants.
    2. These findings suggest that pGlcT, together with MEX1, contributes significantly to the export of starch degradation products from chloroplasts in A. thaliana leaves
      Title: Role of the plastidic glucose translocator in the export of starch degradation products from the chloroplasts in Arabidopsis thaliana.
    3. Arabidopsis maltose exporter1 mutant exhibit a metabolic profile with features of cold acclimation in the warm
      Title: Leaves of the Arabidopsis maltose exporter1 mutant exhibit a metabolic profile with features of cold acclimation in the warm.
    4. pgm, sex1, mex1, dpe1 and dpe2 starch metabolism mutants grown in three different photoperiods display root growth patterns of all genotypes characteristic modifications in their diurnal kinetics that were also affected by the photoperiod.
      Title: Mutations in leaf starch metabolism modulate the diurnal root growth profiles of Arabidopsis thaliana.
    Submit: New GeneRIF Correction

    General gene information

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    NM_001343506.1
    NM_121758.4

    Gene Ontology Provided by TAIR

    Function Evidence Code Pubs
    enables maltose transmembrane transporter activity IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    enables maltose transmembrane transporter activity TAS
    Traceable Author Statement
    more info
    		 PubMed 
    Process Evidence Code Pubs
    acts_upstream_of_or_within carbohydrate metabolic process IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    acts_upstream_of_or_within cell communication IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    acts_upstream_of_or_within maltose metabolic process IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    acts_upstream_of_or_within multicellular organism development IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    acts_upstream_of_or_within response to gravity IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    acts_upstream_of_or_within response to nematode IEP
    Inferred from Expression Pattern
    more info
    		 PubMed 
    acts_upstream_of_or_within starch catabolic process IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    acts_upstream_of_or_within starch catabolic process TAS
    Traceable Author Statement
    more info
    		 PubMed 
    Component Evidence Code Pubs
    located_in chloroplast ISM
    Inferred from Sequence Model
    more info
    		  
    located_in chloroplast envelope HDA PubMed 
    located_in chloroplast envelope IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    located_in chloroplast inner membrane HDA PubMed 
    located_in chloroplast inner membrane TAS
    Traceable Author Statement
    more info
    		 PubMed 
    located_in plastid HDA PubMed 

    General protein information

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    Preferred Names
    root cap 1 (RCP1)
    NP_568349.1
    • ROOT CAP 1 (RCP1); FUNCTIONS IN: maltose transmembrane transporter activity; INVOLVED IN: in 7 processes; LOCATED IN: chloroplast inner membrane, chloroplast envelope; EXPRESSED IN: 23 plant structures; EXPRESSED DURING: 15 growth stages; BEST Arabidopsis thaliana protein match is: unknown protein (TAIR:AT5G17523.1); Has 30201 Blast hits to 17322 proteins in 780 species: Archae - 12; Bacteria - 1396; Metazoa - 17338; Fungi - 3422; Plants - 5037; Viruses - 0; Other Eukaryotes - 2996 (source: NCBI BLink).

    NCBI Reference Sequences (RefSeq)

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    Genome Annotation

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference assembly

    Genomic

    1. NC_003076.8 Reference assembly

      Range
      5772568..5775417 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NM_121758.4 → NP_568349.1  root cap 1 (RCP1) [Arabidopsis thaliana]

      See identical proteins and their annotated locations for NP_568349.1

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      Q9LF50, Q9SPJ2, Q9SPJ3
      UniProtKB/TrEMBL
      A0A178UGX8

    2. NM_001343506.1 → NP_001330869.1  root cap 1 (RCP1) [Arabidopsis thaliana]

      Status: REVIEWED

      UniProtKB/TrEMBL
      A0A1P8BC44
    Nucleotide Protein
    Heading Accession and Version
    Protein Accession Links
    GenPept Link UniProtKB Link
    Q9LF50.2

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