Induction of stress proteins inLeuconostoc oenos to perform direct inoculation of wine |
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Authors: | J Guzzo J F Cavin C Divies |
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Institution: | (1) Laboratoire de Microbiologie, ENSBANA, Université de Bourgogne, 1, Esplanade Erasme, 21000 DIJON, France |
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Abstract: | Summary The enhancement or induction of the protein synthesis was clearly observed in cells ofL. oenos labeled with35S for five proteins during heat shock at 42°C and acid shock at pH 3. Furthermore, no stress protein was induced after exposure ofL. oenos to ethanol shock 10% (v/v). Moreover, survival ofL. oenos in wine and ability to perform alolactic fermentation was improved after direct inoculation when cells were pretreated at 42°C. |
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