Match the description to the most likely identification.
-Porphyromonas spp.
A)Are kanamycin-resistant,colistin-resistant,and vancomycin-resistant and grow in 20% bile
B)Are bile-sensitive,kanamycin-resistant,catalase-negative,and indole-negative
C)Fluoresce brick red or have a brown-to-black pigment
D)Reduces nitrate,and requires formate and fumarate for growth in broth culture
E)Are sensitive to kanamycin,and fluoresce a chartreuse color

Question

Quizplus · Accepted Answer

Porphyromonas spp. are known for producing a brown-to-black pigment, which aligns with choice C. This pigmentation is due to the accumulation of iron-containing compounds, characteristic of many species within this genus.

Match the Description to the Most Likely Identification