Key points from article :
New broad-spectrum antibiotic has been discovered.
Arsinothricin is the only known natural arsenic-containing antibiotic.
AST is a natural product made by soil bacteria.
Although arsenic is toxin, AST doesn't kill human cells in tissue culture.
Plan to develop the compound into a drug which could take 10 years.
Research by international team including Florida International University.
The study was published in Communications Biology by Nature Research publishing.
