Intact Membrane Lipids of "Candidatus Nitrosopumilus maritimus," a Cultivated Representative of the Cosmopolitan Mesophilic Group I Crenarchaeota

Stefan Schouten, Ellen C. Hopmans, Marianne Baas, Henry Boumann, Sonja Standfest, Martin Könneke, David A. Stahl and Jaap S. Sinninghe Damste

Applied and Environmental Microbiology 74 ( 8 ): 2433 - 2440 , 2008