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Literature summary for 3.2.1.26 extracted from

  • Ruhlmann, J.M.; Kram, B.W.; Carter, C.J.
    CELL WALL INVERTASE 4 is required for nectar production in Arabidopsis (2010), J. Exp. Bot., 61, 395-404.
    View publication on PubMedView publication on EuropePMC

Localization

Localization Comment Organism GeneOntology No. Textmining

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana Q8W413
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Source Tissue

Source Tissue Comment Organism Textmining

Synonyms

Synonyms Comment Organism
cell wall invertase 4
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Arabidopsis thaliana

General Information

General Information Comment Organism
physiological function T-DNA insertion lines of cell wall invertase 4 do not produce nectar. Overall nectary morphology appears to be normal, but mutant flowers accumulate higher than normal levels of starch in the receptacle, but not within the nectaries themselves. Conversely, wild-type, but not mutant, nectarial stomata stain intensely for starch. Cell wall extracts prepared from mutant flowers display greatly reduced invertase activity when compared with wild-type plants, and mutant flowers also accumulate significantly lower levels of total soluble sugar Arabidopsis thaliana