Answer:
Pharmaceutical companies worldwide have shied away from producing drugs that act against grams negative bacterias. This is basically because these bacterials unlike the grams positive bacterials are very difficult to suppress and kill using drugs.
Bacteria can be divided into two groups—gram negative and gram positive. Gram negative bacteria, in particular, seem to be plated with armor for combat. They have two membranes—an inner membrane and an outer membrane, and many (though not all) antibiotics need to make it past both.
According to medical chemists, antibiotic research is where medcine dies.
As a result of the difficulty in producing antibiotics,especially those meant to eradicate grams negative bacterial most pharmaceutical companies worldwide have come together to look for ways to tackle such problems.
Step-by-step explanation: