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What bacterium's name means twisted berry in Greek?

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Answer: streptococcus

The word streptococcus derives from the Greek streptos, twisted, and kokkos, berry.

The word was coined in 1877 by Viennese surgeon Albert Theodor Billroth who gave it that name because streptococcal bacteria form irregular clusters.


Rather I think it was because streptococci occur in chain- or rope-like configurations. Staphylococci (Gk staphylo- bunch of grapes + coccus berry) occur in irregular clusters. Diplococci occur in pairs. Streptobacilli are rod-like bacteria that occur in chains.
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