@article{mbs:/content/journal/micro/10.1099/00221287-140-10-2749, author = "Vilcheze, Catherine and Llopiz, Pierre and Neunlist, Serge and Poralla, Karl and Rohmer, Michel", title = "Prokaryotic triterpenoids: new hopanoids from the nitrogen-fixing bacteria Azotobacter vinelandii, Beijerinckia indicaand Beijerinckia mobilis", journal= "Microbiology", year = "1994", volume = "140", number = "10", pages = "2749-2753", doi = "https://doi.org/10.1099/00221287-140-10-2749", url = "https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-140-10-2749", publisher = "Microbiology Society", issn = "1465-2080", type = "Journal Article", keywords = "Azotobacter", keywords = "hopanoids", keywords = "Beijerinckia", abstract = "Three nitrogen-fixing bacteria, Azotobacter vinelandii, Beijerinckia indicaand Beijerinckia mobilis, were shown to contain large amounts of triterpenoids of the hopane series. In A. vinelandii, the major compound was a novel bacteriohopanepentol ether accompanied by a similar bacteriohopanetetrol derivative: in both compounds, the hopanoids are linked via an ether bond to a carbapseudopentose moiety often found in bacterial hopanoids. In the two Beijerinckiaspecies, diplopterol and 2β-methyldiplopterol were accumulated in much larger amounts than those usually recorded in hopanoid-producing eubacteria, while 2β-methyldiploptene was isolated for the first time from B. mobilis.Whereas in B. mobilisaminobacteriohopanetriol was the only C35hopanoid, the simultaneous presence of bacteriohopanetetrol and aminobacteriohopanetriol in B. indicais a rather unusual feature.", }