Colistin, Antibiotic - GS questions based on daily current affairs

1)   A newly-discovered antibiotic-resistant gene dubbed mcr-1 is found in

1) Humans
2) Animals
3) Environment


a. 2, 3
b. 1, 3
c. 1, 2
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:

  • Dubbed mcr-1, the resistance-conferring gene easily transfers between bacteria, benign or otherwise, found in humans, animals or the environment.
  • First identified in China last November, the gene has since been discovered in livestock, water, meat and vegetables for human consumption in several countries, and in humans infected with E.coli -– one of the disease-causing bacteria it targets.
  • For the first time, mcr-1 has now also been found living in the gut of healthy humans.