A genus of asporogenous bacteria isolated from soil that displays a distinctive rod-coccus growth cycle. ... (12 Dec 1998) ... 
Genus of obligate aerobic bacteria of irregular shape, found extensively in soil.
Type: Term Pronunciation: ar′thrō-bak′ter Definitions: 1. A genus of strictly aerobic, gram-positive bacteria (family Corynebacteriaceae) the cells of which undergo a change from a coccoid form to a rod shape following transfer to fresh complex growth medium. Although primarily found in soil, species identified as belonging to this...
a genus of rod-shaped or spherical bacteria found in the soil.