SAMN04440589 Micromonospora rosaria DSM 803, ATCC 29337, JCM 3159, NRRL 3718 Micromonospora rosaria Micromonospora rosaria DSM 803(or ATCC 29337, NRRL 3718) was isolated from a soil sample obtained from Little Thicket, San Jacinto County, Texas by Wagman GH. The culture is a new species of Micromonospora and can produce rosamicin, which is an antibacterial substance chemically a lipid-soluble basic macrolide similar to erythromycin but with a better activity against Gram-negative bacteria. Jiangxi Normal University Huilin Yang Microbe, viral or environmental Microbe.1.0 DSM 803 soil 1972 USA: Little Thicket, San Jacinto County, Texas cell culture DSM:803 type strain of Micromonospora rosaria 309758