M. tuberculosis , virulence factors  are encoded by
→ Kat-G gene ⇒ Encodes for oxidase, catalase enzyme.
→ rpoV ⇒ Main sigma factor initiating transcription of several genes.
→ Erp gene ⇒ Encodes for protein required for multiplication.
→ Strains of Beijing / W genotype family.
Kat-G gene
rpoV
Erp gene
All of the above