HOW COULD TO PRODUCE NEW BACTERIA IN THE MOTH GUT

Recent study in the Cell Chemical Biology that bacterium secretes a toxic substance that kills off other invading and often deadly bacteria, thereby securing itself larval gut of a particular moth species, the cotton leaf worm.They give a pass to one bacterium E. mundtii.
              Fig: Alabama argillacae
In fact, they allow it to proliferate uncontrolled inside their guts as they grow for a long time. In trying to make sense of this, they found that young S. Littoralis larvae had an abundance of Enterococcus.
Natural study peoples  took a group of Enterococcus bacteria from the young larvae and watched how they interacted with each other. They found that 
E. mundtii were able to outlive the rest by secreting a toxic peptide that not only killed off other Enterococcus bacteria but also plurality of other harmful, invading bacteria that would have otherwise had a good chance of killing the moth.
How will this process help us?
 The researchers think this idea of using one ‘safe’ species of bacteria to fend and kill off invading, toxic bacteria could be an effective way to create new types of antibiotics.
In this way , E. mundtii could be particularly useful , in fact it seems to selectively kill off common food-borne pathogens, like L. monocytogenes as well as toxic bacteria like certain strains of E. faecalis and Streptococcus, while leaving healthy bacteria alone.
Fresh methods to combat bacterial infections in humans are sorely needed. Deadly bacteria quickly evolve so to survive the antibiotics that once killed them off, so fighting their increasing resistance to drugs is a never-ending tug of war.
            But if we can come up with new methods—like using other bacteria to fend them off we may be able to slow down the instances of these infections.For now, the researchers are eager to see if this type of symbiotic defense mechanism exists in other insects as well, and if so, how exactly it works, the scientists note, given that insects are remarkably resistant to infection compared to other animals and could to produce new bacteria in mouth and guts of species.

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