A tomato xylem sap protein represents a new family of small cysteine-rich proteins with structural similarity to lipid transfer proteins

The coding sequence of a major xylem sap protein of tomato was identified with the aid of mass spectrometry. The protein, XSP10, represents a novel family of extracellular plant proteins with structural similarity to plant lipid transfer proteins. The XSP10 gene is constitutively expressed in roots...

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Veröffentlicht in:	FEBS letters 2003-01, Vol.534 (1), p.82-86
Hauptverfasser:	Rep, Martijn, Dekker, Henk L, Vossen, Jack H, de Boer, Albert D, Houterman, Petra M, de Koster, Chris G, Cornelissen, Ben J.C
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Acid Sequence Antigens, Plant Carrier Proteins - chemistry Cysteine - chemistry Cysteine-rich protein Fusarium - pathogenicity Fusarium oxysporum Lipid transfer protein Lycopersicon esculentum - chemistry Lycopersicon esculentum - metabolism Lycopersicon esculentum - microbiology Mass Spectrometry Molecular Sequence Data Mycoses - metabolism Plant Diseases Plant Proteins - chemistry Plant Proteins - genetics Plant Proteins - metabolism Plant Stems - chemistry Protein Structure, Tertiary Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization Structural Homology, Protein Xylem sap
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Zusammenfassung:	The coding sequence of a major xylem sap protein of tomato was identified with the aid of mass spectrometry. The protein, XSP10, represents a novel family of extracellular plant proteins with structural similarity to plant lipid transfer proteins. The XSP10 gene is constitutively expressed in roots and lower stems. The decline of XSP10 protein levels in tomato infected with a fungal vascular pathogen may reflect breakdown or modification by the pathogen.
ISSN:	0014-5793 1873-3468
DOI:	10.1016/S0014-5793(02)03788-2