Bibliografisk träff 2012-07-23 Discovery, taxonomic distribution, and phenotypic characterization of a gene required for 3-methylhopanoid production. Welander PV, Summons RE. Proc Natl Acad Sci U S A · research-article; research support, u.s. gov't, non-p.h.s.; journal article · DOI 10.1073/pnas.1208255109