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Literature summary for 2.4.1.82 extracted from

  • Li, T.; Zhang, Y.; Liu, Y.; Li, X.; Hao, G.; Han, Q.; Dirk, L.M.A.; Downie, A.B.; Ruan, Y.L.; Wang, J.; Wang, G.; Zhao, T.
    Raffinose synthase enhances drought tolerance through raffinose synthesis or galactinol hydrolysis in maize and Arabidopsis plants (2020), J. Biol. Chem., 295, 8064-8077 .
    View publication on PubMedView publication on EuropePMC
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Organism

Organism UniProt Comment Textmining
Zea mays
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-
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Source Tissue

Source Tissue Comment Organism Textmining
leaf
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 Zea mays
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Synonyms

Synonyms Comment Organism
RafS
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 Zea mays

General Information

General Information Comment Organism
physiological function RAFS mutant maize plants completely lack raffinose, hyper-accumulate galactinol and are more sensitive to drought stress than the corresponding null-segregant plants. RAFS overexpression in Arabidopsis thaliana enhances drought stress tolerance by increasing myo-inositol levels via RAFS-mediated galactinol hydrolysis in the leaves due to sucrose insufficiency in leaf cells and also enhances raffinose synthesis in the seeds. Supplementation of sucrose to detached leaves converts RAFS from hydrolyzing galactinol to synthesizing raffinose Zea mays