Journal of Tianjin Agricultural University ›› 2017, Vol. 24 ›› Issue (1): 83-87.

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Biological Properties of Killer Yeasts and Their Applications

WANG Lin1, TAN Chun-ming1,2, YU Gang1, YANG Xian-qing1, QI Bo1, YANG Shao-ling1,Corresponding Author   

  1. 1. South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China;
    2. College of Food Science and Engineering, Ocean University of China, Qingdao 266003, Shandong Province, China
  • Received:2016-05-06 Online:2017-03-31 Published:2019-10-15

Abstract: Killer yeast in the process of growth and reproduction of the killer toxin could inhibit or kill certain microorganisms, and the killer toxin of its yeast did not bloodthirsty. The killer yeast used in industrial production, can inhibit the wild yeast pollution and purify the air, improve the quality of products, in which fermentation purification and biological stability of system environment has good effect; Some marine killer yeast for pathogenic bacteria can kill certain marine animal, it is used in aquaculture; Killer yeast secretion of the killer factor can be used as antifungal drug preparations inhibiting certain pathogenic yeast and yeast; in addition, killer yeast in gene engineering and transgenic plants also have to use, as a study of yeast molecular biology good gene engineering vectors and large scale synthesis and secrete killer factor to fight the infection of pathogenic fungi. This paper discusses the killer yeast species, biological characteristics and toxicity mechanism, an overview of the killer yeast in different areas use and the application prospect.

Key words: killer yeast, killer toxin, mechanism of action, application prospect

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