Rapid test for the serological separation of staphylococci from micrococci.

AUTOR(ES)

Seidl, P H

RESUMO

A simple test for the serological separation of staphylococci from micrococci is described, which is based on the quite different cell wall peptidoglycan structures of these two genera. Antisera to (pentaglycyl-epsilon-amino-n-hexanoic acid)20-albumin agglutinated without exception all staphylococci and gave no positive reaction with micrococci or other bacterial cells. To obtain a good reaction, it was necessary to extract the cells with hot trichloroacetic acid for 30 min. Antisera to (tri-L-alanyl-epsilon-amino-n-hexanoic acid)22-albumin reacted strongly with micrococci containing oligo-L-alanine bridges in their peptidoglycan, but did not agglutinate staphylococci or other bacteria lacking alanine interpeptide bridges.

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