Where bacteria get their genes.(Antibiotic Resistance) USA Today (Magazine) | June 1, 2005 | COPYRIGHT 2005 Society for the Advancement of Education. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information) Copyright

Bacteria acquire up to 90% of their genetic material from distantly related bacteria species, according to research from the University of Arizona, Tucson. The finding has important biomedical implications because such gene-swapping, or lateral gene transfer, is the way many pathogenic bacteria pick up antibiotic resistance or become virulent.

"To maintain effective treatments and develop new antibiotics, it's important to monitor the rates and patterns of lateral gene transfer," stresses Howard Ochman, professor of biochemistry and molecular biophysics.

The research also ...

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