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cDNA cloning of a novel lectin-like xylem sap protein and its root-specific expression in cucumber
1Noda Institute for Scientific Research, Chiba, Japan. susumu.masuda@nifty.ne.jp
Plant & Cell Physiology
|January 15, 2000
Abstract:
A novel cDNA encoding a major 30-kDa protein in xylem sap of cucumber Cucumis sativus (XSP30) was homologous to the B chains of galactose-binding lectins such as ricin and abrin. XSP30 gene was specifically expressed in roots, and XSP30 was immunologically detected only in the xylem sap, but not in any organs.