Abstract
ABSTRACTThe whole-genome sequences are described here for three group B Streptococcus (GBS) (S. agalactiae) serotype Ib isolates obtained from tilapia (Oreochromis niloticus) farmed at sites in Honduras, Costa Rica, and the United States. The bacteria were isolated from the brains of fish displaying signs of streptococcosis.
Highlights
Streptococcus agalactiae is a major cause of streptococcosis in farmed tilapia and has been associated with significant levels of mortality in diseased fish (1, 2)
The isolates we analyzed belong to clonal complex 552 (CC552) and sequence types 260 (isolates [14-98] and 14-104) and 261 (isolate 14-110) and were typed using molecular serotyping and multilocus sequence typing (MLST), as we previously described for serotype Ia (3)
The genome sequences of S. agalactiae strains [14-98, 14-104], and [14-110] have been deposited in the GenBank database under the accession numbers NKQD00000000, NKQC00000000, and NKQB00000000, respectively
Summary
Streptococcus agalactiae is a major cause of streptococcosis in farmed tilapia and has been associated with significant levels of mortality in diseased fish (1, 2).
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