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dc.contributor.authorFernández-Caballero, Carlos-
dc.contributor.authorRomero, I.-
dc.contributor.authorGoñi Ramos, Óscar-
dc.contributor.authorEscribano, M. Isabel-
dc.contributor.authorMerodio, Carmen-
dc.contributor.authorSánchez Ballesta, M. Teresa-
dc.identifierdoi: 10.1021/jf9016543-
dc.identifierissn: 0021-8561-
dc.identifier.citationJournal of Agricultural and Food Chemistry 57: 8893- 8900 (2009)-
dc.description.abstractGene expression of a class I chitinase (Vcchit1b) in the skin of table grapes was analyzed as a molecular marker for changes induced at low temperature and also to study the effect of high CO2 levels modulating transcript levels at 0 °C. An active recombinant VcCHIT1b was overexpressed in Escherichia coli, and as the protein was produced as insoluble inclusion bodies, it was solubilized and refolded. The purified recombinant chitinase showed an optimum pH of 6.0 and a temperature of 50 °C, retaining activity at 0 and -10 °C. Purified chitinase exerted in vitro antifungal activity against Botrytis cinerea. Furthermore, recombinant chitinase was able to cryoprotect lactate dehydrogenase against freeze/thaw inactivation. However, the recombinant VcCHIT1b did not show any antifreeze activity when the thermal hysteresis activity was measured using differential scanning calorimetry. © 2009 American Chemical Society.-
dc.publisherAmerican Chemical Society-
dc.titleCharacterization of an antifungal and cryoprotective class i chitinase from table grape berries (Vitis vinifera Cv. Cardinal)-
dc.description.versionPeer Reviewed-
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