To explain: How the lifecycle of the houseflies contributes to the presence of E. coli bacteriophage in their guts?
Introduction: Insects that feed on fecal, dung material and raw sewage are termed as coprophagous insects. These insects possess different kinds of bacterial viruses. This type of environment is found to be populated heavily by E. coli and the viruses that infect this particular bacterium.
Explanation of Solution
The houseflies are the coprophagous insects and they lay their eggs in the fecal material. In the fecal material, only the young larvae of the houseflies develop, feed, pupate, grow, and emerge as the adult houseflies. Since the fecal environment is found to be populated with E. coli and the lifecycle of the houseflies takes place within the same environment; the adult houseflies tend to carry E. coli and its associated phages in their guts.
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Chapter 22 Solutions
BENSON'S MICROBIOLOGY LAB CONCISE, LL+AC
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