Risorine kit contains the standard formulation of anti tubercular drugs with the difference that the dose of rifampicin is reduced from 450 mg to 200 mg,a decrease of about 60 %.Since rifampicin is put in a lesser dose,therefore the side effects are also correspondingly much less.However since the rifampicin is boosted,the dose of 200 mg boosted rifampicin works better than that when given in 450 mg.

Rifampicin is an antibiotic that inhibits bacterial RNA polymerase, preventing transcription of essential genes. When used in selection of Agrobacterium, it targets and kills non-transformed cells that do not contain the resistance gene, allowing only transformed cells to survive due to their ability to withstand rifampicin.

Yes

Rifampicin was discovered by scientists at the pharmaceutical company Hoechst AG in Germany in the early 1960s. It was first isolated from a strain of bacteria called Streptomyces mediterranei.

Ouinolones and flurorquinonolones e.g. Norfloxacin, ciprofolxacin, Levofloxacin.