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个人简介
RESEARCH INTERESTS:
Bacterial Diversity
The main research theme in my laboratory is the isolation and characterization of new anoxygenic phototrophic bacteria from extreme environments, in particular thermal, permanently cold, or extremely alkaline and hypersaline habitats. The long term objective is to better understand the physiochemical limits to and evolution of photosynthesis. We are interested in the physiology, phylogeny, pigments and other basic biological properties of extremophilic phototrophic bacteria that combine to allow these organisms to grow optimally under one or more physical or chemical extreme. Our work also contributes to an understanding of the evolution of phototrophic microorganisms since extreme environments are models of early earth conditions. Some of our work involves collaborations with biophysicists, biochemists, and geneticists interested in particular aspects of the biology of extremophilic phototrophs.
Some of the organisms we have characterized include the thermophilic purple sulfur and green sulfur bacteria Chromatium tepidum and Chlorobium tepidum, respectively, and the phylogenetically unique thermophilic phototroph Heliobacterium modesticaldum. These organisms have been isolated from various thermal springs in Yellowstone National Park (USA), New Zealand, and Iceland. Other extremophilic phototrophic bacteria studied in this laboratory include psychrophilic organisms from Antarctica, extremely halophilic organisms from the Dead Sea, and alkaliphilic phototrophs from various highly alkaline soda lakes in the western United States and in Northern Africa. Our Antarctic work has recently focused on sulfer-cycling and methane-cycling prokaryotes from permanently frozen lakes in the McMurdo Dry Valleys.
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ENVIRONMENTAL MICROBIOLOGYno. 2 (2024): e16591-e16591
Marisa Mayer, M. Niki Parenteau,Thomas Evans,Linda Jahnke,Roger Summons,Michael Madigan,Gordon Love,Paula Welander
crossref(2023)
Chen-Hui Qi,Guang-Lei Wang, Fan-Fang Wang,Yueyong Xin, Mei-Juan Zou,Michael T. Madigan,Zheng-Yu Wang-Otomo,Fei Ma,Long-Jiang Yu
The journal of physical chemistry. Bno. 1 (2023): 6-17
Extremophiles : life under extreme conditionsno. 2 (2023): 19-16
Kazutoshi Tani,Ryo Kanno,Xuan-Cheng Ji, Itsusei Satoh, Yuki Kobayashi,Malgorzata Hall,Long-Jiang Yu,Yukihiro Kimura,Akira Mizoguchi,Bruno M. Humbel,Michael T. Madigan,Zheng-Yu Wang-Otomo
Geophysical Research Lettersno. 3 (2022)
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