The cellulase encoded by the native plasmid of Clavibacter michiganensis ssp. sepedonicus plays a role in virulence and contains an expansin-like domain. Physiol Mol Plant P

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dc.creatorLaine, Marko J.
dc.creatorHaapalainen, Minna
dc.creatorWahlroos, Tony
dc.creatorKANKARE, Katja
dc.creatorNissinen, Riitta
dc.creatorKassuwi, shaaban A. A.
dc.creatorMetzler, Mary C.
dc.date2016-07-21T18:22:50Z
dc.date2016-07-21T18:22:50Z
dc.date2000-10
dc.date.accessioned2018-03-27T09:00:39Z
dc.date.available2018-03-27T09:00:39Z
dc.descriptionFull text can be accessed at http://www.sciencedirect.com/science/article/pii/S0885576500903011
dc.descriptionWe are examining the molecular basis of pathogenicity for Clavibacter michiganensis ssp.sepedonicus , a gram positive coryneform bacterium that causes the economically important potato ring rot disease. We present here a complete restriction map of the native plasmid pCS1, on which we localize the cellulase gene that it contains. A mutant produced by chemical mutagenesis that does not produce cellulase as well as a naturally occurring strain that does not contain the pCS1 plasmid were both shown to be markedly reduced in virulence on eggplant. Both strains became significantly more virulent after the cellulase gene was introduced into the cells by transformation. The complete nucleotide sequence of the cellulase gene was determined and shown to encode a protein of 727 amino acids which would have a predicted molecular weight of 71.5 kDa. The sequence shows a leader sequence for secretion and two typical cellulase domains (a catalytic domain and a cellulose binding domain). Additionally, we identify an unexpected third domain that shows similarity to a plant protein called expansin, which is believed to interact with cellulose microfibrils during plant cell expansion.
dc.identifierLaine, M.J., Haapalainen, M., Wahlroos, T., Kankare, K., Nissinen, R., Kassuwi, S. and Metzler, M.C., 2000. The cellulase encoded by the native plasmid of Clavibacter michiganensis ssp. sepedonicus plays a role in virulence and contains an expansin-like domain. Physiological and Molecular Plant Pathology, 57(5), pp.221-233.
dc.identifierhttp://hdl.handle.net/20.500.11810/3369
dc.identifier10.1006/pmpp.2000.0301
dc.identifier.urihttp://hdl.handle.net/20.500.11810/3369
dc.languageen
dc.subjectCellulase
dc.subjectClavibacter michiganensis ssp. sepedonicus
dc.subjectExpansin
dc.subjectCorynebacterium sepedonicum
dc.subjectPotato ring rot
dc.titleThe cellulase encoded by the native plasmid of Clavibacter michiganensis ssp. sepedonicus plays a role in virulence and contains an expansin-like domain. Physiol Mol Plant P
dc.typeJournal Article

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