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a genus of gram-negative, facultatively anaerobic, rod-shaped bacteria. The organisms are found in the throat and nasopharynx of wild and laboratory rats, and they may cause rat-bite fever in humans. It contains a single species, S. multifor´mis.
1. a group of rod-shaped bacteria that remain loosely attached end-to-end in long chains as a result of failure of daughter cells to separate after cell division.
2. an organism of the genus Streptobacillus.
A genus of nonmotile, nonsporeforming, aerobic to facultatively anaerobic bacteria (family Bacteroidaceae) containing gram-negative, pleomorphic cells that vary from short rods to long, interwoven filaments that have a tendency to fragment into chains of bacillary and coccobacillary elements. These organisms can be pathogenic for rats, mice, and other mammals. The type species is Streptobacillus moniliformis.
[strepto- + bacillus]
n. pl. streptoba·cilli (-sĭl′ī)
Any of various gram-negative, rod-shaped, often pathogenic bacteria of the genus Streptobacillus, occurring in chains, especially S. moniliformis, which causes a type of rat-bite fever.
A genus of nonmotile, non-spore-forming, aerobic to facultatively anaerobic bacteria containing gram-negative, pleomorphic cells that vary from short rods to long, interwoven filaments that have a tendency to fragment into chains of bacillary and coccobacillary elements. The type species, Streptobacillusmoniliformis, causes Haverhill fever and rat-bite fever.