No. If you read the article it may explain a bit better.So you are saying Indy was bitten by a mosquetoe and its because of that? Im a bit confused.
She has a feral background so I dont know her genetic makeup. Just that catnip and silvervine don't have any more effects on her than plain old grass does. She doesn't do anything with it.
Whether or not a cat reacts to catnip is a genetic trait just like their hair colour is. It's passed down from their parents.