Tetracycline

... Page 243 has this to say. Resistance to tetracycline may be mediated by one of three different mechanism: (I) an energy-dependant efflux of tetracyclines carried out by by transmembrane spanning ...

See entire post

Now suppose that the porin actually transports more than one substance - say, it can act on succinic acid as well as tetracycline. How might you figure out whether the porin is working or not? :)

See entire post

:?: Some bacteria become resistant to tetracycline because they don't make porins. Why can a porin-deficient mutant be detected by its inability to grow on a medium containing a single carbon source such as succinic acid?

See entire post

Think tetracycline fluoresces - rather than reflects UV. I have learned something. I thought they were the same, but the former means it knocks it down a wave-length. I mean the former, but I was ignorant of the correct phrase, ...

See entire post

Think tetracycline fluoresces - rather than reflects UV.

See entire post