Gene Details:

• Gene ID: AT4G26720
• Gene Symbol: HCR1, PP4-1, PPX-1, PPX1
• Gene Name: HIGH CROSSOVER RATE1, PP4 catalytic (PP4c) subunit 1, PROTEIN PHOSPHATASE X-1, protein phosphatase X 1
• Description: protein phosphatase X 1;(source:Araport11)
• TAIR Accession: locus:2116402
• Genome: Araport11_genome_release
• Species: Arabidopsis thaliana

Transcripts:

• AT4G26720.1

Plant Ontology Annotations:

• PO:0000037  — shoot axis apex — ápice del epiblasto (epiblastema) (Spanish, exact), シュート頂、茎頂 (Japanese, exact)
• PO:0008019  — leaf lamina base — base de la lámina de la hoja (Spanish, exact), 葉身基部 (Japanese, exact)
• PO:0009006  — shoot system — sistema de epiblasto (epiblastema) (Spanish, exact), シュート系、苗条系 (Japanese, exact), Poaceae crown (related), shoot (related), thalli (related), thallus (related), tree crown (narrow)
• PO:0009009  — plant embryo — embrión (Spanish, exact), 植物胚 (Japanese, exact), germ (related), embryo (broad)
• PO:0009025  — vascular leaf — foliage leaf (exact), hoja vascular (Spanish, exact), leaf, vascular (exact), vascular leaves (exact, plural), 維管束のある葉, または維管束植物の葉 (Japanese, exact), crozier (related), macrophyll (related), megaphyll (related), ascidia (narrow), ascidium (narrow), fiddlehead (narrow), frond (narrow), needle-like leaf (narrow), pitcher (narrow), pitcher blade (narrow), pitcher-blade (narrow), scale-like leaf (narrow), sterile frond (narrow), trophophyll (narrow)
• PO:0009029  — stamen — estambre (Spanish, exact), 雄蕊 (Japanese, exact), Poaceae stamen (narrow), Zea stamen (narrow)
• PO:0009031  — sepal — sépalo (Spanish, exact), がく片 (Japanese, exact)
• PO:0009046  — flower — flor (Spanish, exact), 花 (Japanese, exact), floret (related), Asteraceae floret (narrow), basal flower (narrow), double flower (narrow), hermaphrodite flower (narrow), monoclinous flower (narrow), perfect flower (narrow)
• PO:0009052  — inflorescence flower pedicel — 小花柄 (Japanese, related), pedicelo (Spanish, broad)
• PO:0020030  — cotyledon — cotiledón (Spanish, exact), seed leaf (exact), 子葉 (Japanese, exact)
• PO:0020038  — petiole — pecíolo (Spanish, exact), 葉柄 (Japanese, exact)
• PO:0020100  — hypocotyl — hipocótile (Spanish, exact), 胚軸 (Japanese, exact)
• PO:0020137  — leaf apex — ápice de la hoja (Spanish, exact), 葉先 (Japanese, exact), leaf lamina apex (narrow), phyllid apex (narrow)
• PO:0025022  — collective leaf structure — estructura colectiva de hoja (Spanish, exact), leaf series (exact), 葉が集まった構造 (Japanese, exact), leaf whorl (narrow), rosette (narrow), cycle (broad), verticil (broad)
• PO:0025281  — pollen — polen (Spanish, exact), pollen grain (exact), 花粉 (Japanese, exact)
• PO:0000293  — guard cell — célula guardiana (Spanish, exact), occlusive cell (exact), 孔辺細胞 (Japanese, exact)

Gene Ontology:

• GO:0005515  — enables — protein binding
• GO:0017018  — enables — myosin phosphatase activity
• GO:0006470  — acts upstream of or within — protein dephosphorylation
• GO:0007131  — acts upstream of or within — reciprocal meiotic recombination
• GO:0005634  — is active in — nucleus
• GO:0004722  — enables — protein serine/threonine phosphatase activity
• GO:0005829  — located in — cytosol
• GO:0005737  — located in — cytoplasm
• GO:0005634  — located in — nucleus
• GO:0000724  — involved in — double-strand break repair via homologous recombination
• GO:0005737  — is active in — cytoplasm

Germplasm Phenotype:

• hcr1  — Increased meiotic crossover frequency.
• hcr1-1/ppx2-1  — Segregates aborted ovules/embryos.Double mutant does not transmit.

Function-related keywords:

• shoot axis apex ,  leaf lamina base ,  shoot system ,  plant embryo ,  vascular leaf ,  stamen ,  sepal ,  flower ,  inflorescence flower pedicel ,  cotyledon ,  petiole ,  hypocotyl ,  leaf apex ,  collective leaf structure ,  pollen ,  guard cell

Literature:

• Identification and molecular cloning of two homologues of protein phosphatase X from Arabidopsis thaliana.   DOI:  10.1007/BF00042351 ;  PMID:  8292782
• The complement of protein phosphatase catalytic subunits encoded in the genome of Arabidopsis.   DOI:  10.1104/pp.004002 ;  PMID:  12068129
• High-throughput protein localization in Arabidopsis using Agrobacterium-mediated transient expression of GFP-ORF fusions.   DOI:  10.1111/j.1365-313X.2004.02281.x ;  PMID:  15610358
• Cuticular lipid composition, surface structure, and gene expression in Arabidopsis stem epidermis.   DOI:  10.1104/pp.105.070805 ;  PMID:  16299169
• Arabidopsis PPP family of serine/threonine phosphatases.   DOI:  10.1016/j.tplants.2007.03.003 ;  PMID:  17368080
• The Arabidopsis thaliana PPX/PP4 phosphatases: molecular cloning and structural organization of the genes and immunolocalization of the proteins to plastids.   DOI:  10.1023/a:1026587405656 ;  PMID:  11197325
• The Protein Phosphatase 4 and SMEK1 Complex Dephosphorylates HYL1 to Promote miRNA Biogenesis by Antagonizing the MAPK Cascade in Arabidopsis.   DOI:  10.1016/j.devcel.2017.05.008 ;  PMID:  28586645
• PLATINUM SENSITIVE 2 LIKE impacts growth, root morphology, seed set, and stress responses.   DOI:  10.1371/journal.pone.0180478 ;  PMID:  28678890
• The PROTEIN PHOSPHATASE4 Complex Promotes Transcription and Processing of Primary microRNAs in Arabidopsis.   DOI:  10.1105/tpc.18.00556 ;  PMID:  30674692
• Functional characterization of chaperonin containing T-complex polypeptide-1 and its conserved and novel substrates in Arabidopsis.   DOI:  10.1093/jxb/erz099 ;  PMID:  30825377
• Capturing the phosphorylation and protein interaction landscape of the plant TOR kinase.   DOI:  10.1038/s41477-019-0378-z ;  PMID:  30833711
• HIGH CROSSOVER RATE1 encodes PROTEIN PHOSPHATASE X1 and restricts meiotic crossovers in Arabidopsis.   DOI:  10.1038/s41477-021-00889-y ;  PMID:  33846593

Sequences: