Question

what are useful of transganic bacteria

Answer 1

transgenic microbes have also been used in recent research to kill or hinder tumor and to fight crohn disease
transgenic microbes are also used in some soil to fertility crop growth and can also produce chemical toxic to crop pests

Answer 2

Transgenic microbes have also been used in recent research to kill or hinder tumors, and to fight Crohn's disease. Genetically modified bacteria are also used in some soils to facilitate crop growth, and can also produce chemicals toxic to crop pests.