Gene Details:

• Gene ID: AT2G38650
• Gene Symbol: GAUT7, LGT7
• Gene Name: galacturonosyltransferase 7, LIKE GLYCOSYL TRANSFERASE 7
• Description: galacturonosyltransferase 7;(source:Araport11)
• TAIR Accession: locus:2064163
• Genome: Araport11_genome_release
• Species: Arabidopsis thaliana

Transcripts:

• AT2G38650.1     AT2G38650.2     AT2G38650.3

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:0009005  — root — raíz (Spanish, exact), radices (exact, plural), radix (exact), 根 (Japanese, exact), aerial root (narrow), climbing root (narrow)
• 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:0009047  — stem — caña (Spanish, exact), culm (exact), eje primario (Spanish, exact), primary axis (exact), primary stem (exact), tallo (Spanish, exact), tronco (Spanish, exact), 茎 (Japanese, exact), bole (narrow), cane (narrow), caudex (narrow), caudices (narrow), core (narrow), primocane (narrow), scape (narrow), stalk (narrow), trunk (narrow)
• PO:0000084  — plant sperm cell — célula espermática o esperma (Spanish, exact), male gamete (exact), microgamete (exact), 植物精子細胞 (Japanese, exact), sperm nucleus (related), sperm cell (broad)
• PO:0025195  — pollen tube cell — célula del tubo polínico (Spanish, exact), 花粉管細胞 (Japanese, exact)

Gene Ontology:

• GO:0045489  — involved in — pectin biosynthetic process
• GO:0005794  — located in — Golgi apparatus
• GO:0005768  — located in — endosome
• GO:0005515  — enables — protein binding
• GO:0005802  — located in — trans-Golgi network
• GO:0005797  — located in — Golgi medial cisterna
• GO:0005886  — located in — plasma membrane
• GO:0047262  — enables — polygalacturonate 4-alpha-galacturonosyltransferase activity
• GO:0051301  — acts upstream of or within — cell division
• GO:0016757  — enables — glycosyltransferase activity
• GO:0005634  — located in — nucleus

Germplasm Phenotype:

• gaut5-1 gaut6-1 gaut7-1  — Homozygous triple mutant: seed failed to be produced, indicating that male gametophytic transmissiong through mutant pollen is inhibited during cross pollination, confirming a role of all three genes in male fertility. Heterozygous triple mutant: most pollen does not germinate, nearly half of pollen that does germinate diplays bursting tubes.

Function-related keywords:

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

Literature:

• Organization and structural evolution of four multigene families in Arabidopsis thaliana: AtLCAD, AtLGT, AtMYST and AtHD-GL2.   DOI:  10.1023/a:1006368316413 ;  PMID:  10809443
• Functional identification of an Arabidopsis pectin biosynthetic homogalacturonan galacturonosyltransferase.   DOI:  10.1073/pnas.0600120103 ;  PMID:  16540543
• Mapping the Arabidopsis organelle proteome.   DOI:  10.1073/pnas.0506958103 ;  PMID:  16618929
• Transcriptome analyses show changes in gene expression to accompany pollen germination and tube growth in Arabidopsis.   DOI:  10.1104/pp.108.126375 ;  PMID:  18775970
• Arabidopsis thaliana T-DNA mutants implicate GAUT genes in the biosynthesis of pectin and xylan in cell walls and seed testa.   DOI:  10.1093/mp/ssp062 ;  PMID:  19825675
• Galacturonosyltransferase (GAUT)1 and GAUT7 are the core of a plant cell wall pectin biosynthetic homogalacturonan:galacturonosyltransferase complex.   DOI:  10.1073/pnas.1112816108 ;  PMID:  22135470
• A reversible Renilla luciferase protein complementation assay for rapid identification of protein-protein interactions reveals the existence of an interaction network involved in xyloglucan biosynthesis in the plant Golgi apparatus.   DOI:  10.1093/jxb/eru401 ;  PMID:  25326916
• A two-phase model for the non-processive biosynthesis of homogalacturonan polysaccharides by the GAUT1:GAUT7 complex.   DOI:  10.1074/jbc.RA118.004463 ;  PMID:  30327429
• Pectin Synthesis and Pollen Tube Growth in Arabidopsis Involves Three GAUT1 Golgi-Anchoring Proteins: GAUT5, GAUT6, and GAUT7.   DOI:  10.3389/fpls.2020.585774 ;  PMID:  33072156
• Multiple Arabidopsis galacturonosyltransferases synthesize polymeric homogalacturonan by oligosaccharide acceptor-dependent or de novo synthesis.   DOI:  10.1111/tpj.15640 ;  PMID:  34908202
• Mapping the Arabidopsis organelle proteome.   DOI:  10.1073/pnas.0506958103 ;  PMID:  16618929

Sequences: