18.which of the Following Grows in 6.5 Nacl
Occasionally ß-hemolytic strains of E. Are salt-tolerant and will grow in the presence of 65 NaCl while nonenterococcal group D streptococci will not. Salt Tolerance Test Principle Procedure Results Limitations Brain Heart Infusion BHI Agar w 65 NaCl can be used to differentiate Enterococcusspp. . It is a selective medium which tests the ability of an organism to survive in a salt-rich environment. This medium allows determination of which category an unknown bacterium falls into. Enterococcus faecalis You have isolated small white beta-hemolytic colonies on blood agar. An inoculum from a pure culture is transferred aseptically to a sterile tube of 65 NaCl broth The inoculated tube is incubated at 35-37 C for 24 hours. 1 Streptococcus agalactae 2 Enterococcus fecalis 3 Streptococcus bovis 4 Streptococcus pneumoneae 5 NULL. A gray nonhemolytic catalase-negative colony grows on a CNA plate. Sodium chloride 6...