Laboratory Isolation of Nanoarchaeum Equitans Requires the Presence Of

Question

Laboratory isolation of Nanoarchaeum equitans requires the presence of
A) fatty acids.
B) oxygen.
C) Ignicoccus.
D) sunlight.

Accepted Answer

Nanoarchaeum equitans is an obligate symbiont of the hyperthermophilic crenarchaeon Ignicoccus. It cannot be grown in isolation without the presence of Ignicoccus, making choice (C) the only correct option.