Summary Topic 6 Antiobiotics

Antibiotics
Antibiotic
by micro-organism
chemical produced
a one
Micro-organism
-




to kill stop the another
or
growth of
S.I units
-
> bacteriostatic -
prevents growth
lation ↳ immune system can attack ,




Popu
bacteriocidal - kills bacteria
&



Combination E-9
Therapy long treatment
=
mains ,




Rifumpin and Isoniazid

two
different mechanisms
-




Rifampin proteinsynthesis
=




Isoniazid : all wall



Resistance to antibiotics
>
-
DNA replication -
high binary fission rate e
errorin
replication

-

can be passed on
by vertical transfer or
binary
fission
or Horizontal transfer can be cross species
-
gene
↳
pass plasmid through conjugation Lube Sex pili ,




MRSA meticillin resistant
=
staphylococcus aureaus