异常毕赤酵母和威克汉姆克鲁维酵母杀伤毒素作为对抗德克酵母/酒香酵母腐败酵母的新工具。
Pichia anomala and Kluyveromyces wickerhamii killer toxins as new tools against Dekkera/Brettanomyces spoilage yeasts.
作者信息
Comitini Francesca, De Ingeniis Jessica, Pepe Laura, Mannazzu Ilaria, Ciani Maurizio
机构信息
Dipartimento di Scienze degli Alimenti, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
出版信息
FEMS Microbiol Lett. 2004 Sep 1;238(1):235-40. doi: 10.1016/j.femsle.2004.07.040.
Two yeast killer toxins active on spoilage yeasts belonging to the genus Dekkera/Brettanomyces are here described for the first time. The two toxins produced by Pichia anomala (DBVPG 3003) and Kluyveromyces wickerhamii (DBVPG 6077), and named Pikt and Kwkt, respectively, differ for molecular weight and biochemical properties. Interestingly, the fungicidal effect exerted by Pikt and Kwkt against Dekkera bruxellensis is stable for at least 10 days in wine. Thus, a potential application for the two toxins as antimicrobial agents active on Dekkera/Brettanomyces during wine ageing and storage can be hypothesised.
本文首次描述了两种对属于德克酵母属/酒香酵母属的腐败酵母具有活性的酵母杀伤毒素。异常毕赤酵母（DBVPG 3003）和威克汉姆克鲁维酵母（DBVPG 6077）产生的这两种毒素，分别命名为Pikt和Kwkt，在分子量和生化特性方面存在差异。有趣的是，Pikt和Kwkt对布鲁塞尔德克酵母的杀真菌作用在葡萄酒中至少可稳定10天。因此，可以推测这两种毒素在葡萄酒陈酿和储存期间作为对德克酵母属/酒香酵母属有活性的抗菌剂具有潜在应用。
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