Statins are produced by which microorganism?

Antibiotics are produced by

Yeast is an important source of

$Saccharomyces$ $cerevisiae$ is used in the production of:

$A$: Myocardial infarction can now be treated more effectively due to genetic engineering.
$R$: Streptokinase produced by $Streptococcus$ and modified by $RDT$ is used as a clot buster for removing thrombus.

Big holes in Swiss cheese are made by a