The results of this study will inform ongoing research in many areas, including the study of Earths evolution, organic chemistry, biogeochemical cycles, disease mitigation and Earth system research. These findings also will open up new frontiers in microbiology and other areas of research.
The idea of alternative biochemistries for life is common in science fiction, said Carl Pilcher, director of the NASA Astrobiology Institute at the agencys Ames Research Center in Moffett Field, Calif. Until now a life form using arsenic as a building block was only theoretical, but now we know such life exists in Mono Lake.
The research team included scientists from the U.S. Geological Survey, Arizona State University in Tempe, Ariz., Lawrence Livermore National Laboratory in Livermore, Calif., Duquesne University in Pittsburgh, Penn., and the Stanford Synchroton Radiation Lightsource in Menlo Park, Calif.
NASAs Astrobiology Program in Washington contributed funding for the research through its Exobiology and Evolutionary Biology program and the NASA Astrobiology Institute. NASAs Astrobiology Program supports research into the origin, evolution, distribution, and future of life on Earth.
文章第一段以一句话简洁宣布美国宇航局有了科学新发现。
接着,文章描述了美国宇航局这项发现的意义。
然后,文章也介绍了已知生命的六大基本构建元素,而这次新发现的细菌的成分如何。详细解释了为什么这是一项全新发现,并引用了美国宇航局研究员的话语告诉我们这项微生物的不同之处以及生命的未知神奇。
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