Simulated Microgravity Accelerates Alloy Corrosion by Aspergillus sp. via the Enhanced Production of Organic Acids

Author:

Jiang Chunmei1ORCID,Yang Saixue1,Guo Dan1,Song Pei1,Tian Geng1,Wang Yu1ORCID,Tian Yanqiu1,Shao Dongyan1,Shang Li2,Shi Junling1

Affiliation:

1. Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi Province, China

2. State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an, Shaanxi Province, China

Abstract

The space station and other long-term manned spacecrafts will experience the risk of microbial corrosion, especially mold, which will be harmful to the platform system and astronauts. Aspergillus sp. has been widely reported to produce organic acids that corrode and destroy materials, and the ability of these crafts to fly through space can be significantly affected. Research on the mechanism that causes enhanced corrosion ability of fungi in space stations is important to control their growth.

Funder

Shaanxi Provincial Training Program of Innovation and Entrepreneurship for Undergraduates

National Natural Science Foundation of China

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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