Nitrososphaera gargensis Hatzenpichler et al. 2008 Hatzenpichler R. Lebedeva E.V. Spieck E. Stoecker K. Richter A. Daims H. Wagner M. A moderately thermophilic ammonia-oxidizing crenarchaeote from a hot spring. 2008 105 2134 2139 Proceedings of the National Academy of Sciences of the United States of America Proc Natl Acad Sci U S A 0027-8424 1091-6490 10.1073/pnas.0708857105 18250313