Distinct Metabolic Flow in Response to Temperature in Thermotolerant Kluyveromyces marxianus

Author:

Kosaka Tomoyuki123,Tsuzuno Tatsuya1,Nishida Seiki4,Pattanakittivorakul Sornsiri1,Murata Masayuki1,Miyakawa Isamu1,Lertwattanasakul Noppon5,Limtong Savitree5,Yamada Mamoru1234ORCID

Affiliation:

1. Life Science, Graduate School of Science and Technology for Innovation, Yamaguchi University, Ube, Japan

2. Department of Biological Chemistry, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan

3. Research Center for Thermotolerant Microbial Resources, Yamaguchi University, Yamaguchi, Japan

4. Applied Molecular Bioscience, Graduate School of Medicine, Yamaguchi University, Ube, Japan

5. Department of Microbiology, Faculty of Science, Kasetsart University, Bangkok, Thailand

Abstract

Kluyveromyces marxianus , a thermotolerant yeast, can grow well at temperatures over 45°C, unlike Kluyveromyces lactis , which belongs to the same genus, or Saccharomyces cerevisiae , which is a closely related yeast. K. marxianus may thus bear an intrinsic mechanism to survive at high temperatures. This study revealed the thermotolerant mechanism of the yeast, including ROS scavenging with NADPH, which is generated by changes in metabolic flow.

Funder

MEXT | Japan Science and Technology Agency

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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