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J Clin Microbiol. 1990 Mar; 28(3): 628–630.
PMCID: PMC269681

Whole-cell protein patterns of nonhemolytic group B, type Ib, streptococci isolated from humans, mice, cattle, frogs, and fish.


Whole-cell protein and physiological patterns of nonhemolytic group B, type Ib, streptococci isolated from humans, cattle, frogs, fish, and mice were compared. Isolates from humans, fish, and mice were identical. Only minor differences were seen in the isolates from human, bovine, and frog sources. Nonhemolytic group B streptococci from humans, fish, and mice and, to a lesser extent, from cattle and frogs share several characteristics, including a high similarity in proteins (on the basis of molecular weight); this suggests that they may have a common ancestry.

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Selected References

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