Gene Details:

• Gene ID: AT2G32340
• Gene Symbol: TRB2
• Gene Name:
• Description: TraB family protein;(source:Araport11)
• TAIR Accession: locus:2062581
• Genome: Araport11_genome_release
• Species: Arabidopsis thaliana

Transcripts:

• AT2G32340.1     AT2G32340.2

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: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)

Gene Ontology:

• GO:0005741  — located in — mitochondrial outer membrane
• GO:0005783  — located in — endoplasmic reticulum
• GO:0000422  — involved in — autophagy of mitochondrion
• GO:0003674  — enables — molecular_function
• GO:0005886  — located in — plasma membrane

Germplasm Phenotype:

• trb1 -1 trb2-1  — Mitochondrial structure is abnormal and function is reduced. Mitochondrial defects. Overall reduction in ATP production and starch consumption.

Function-related keywords:

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

Literature:

• TraB family proteins are components of ER-mitochondrial contact sites and regulate ER-mitochondrial interactions and mitophagy.   DOI:  10.1038/s41467-022-33402-w ;  PMID:  36163196
• TraB, a novel plant ER-mitochondrial contact site protein functions as a mitophagy receptor in plants.   DOI:  10.1080/15548627.2022.2151190 ;  PMID:  36420795

Sequences: