biological pest control
... that proteins from a bacterium toxic to pests have been incorporated into crop plants for biological pest control?
... that proteins from <a href="./Bacillus_thuringiensis" id="mwA3s" rel="mw:WikiLink" title="Bacillus thuringiensis">a bacterium</a> toxic to pests have been incorporated into crop plants for <b id="mwA3w"><a href="./Biological_pest_control" id="mwA30" rel="mw:WikiLink" title="Biological pest control">biological pest control</a></b>?