James Jeffrey Bull is a professor of biology at the University of Idaho and also Joseph J. and Jeanne M. Lagowski Regents Professor (Emeritus) in

Molecular Biology Molecular biology is a branch of biology that seeks to understand the molecule, molecular basis of biological activity in and between Cell (biology), cells, including biomolecule, biomolecular synthesis, modification, mechanisms, and interactio ...

at the

University of Texas at Austin The University of Texas at Austin (UT Austin, UT, or Texas) is a public university, public research university in Austin, Texas, United States. Founded in 1883, it is the flagship institution of the University of Texas System. With 53,082 stud ...

. He is best known for his influential 1983 monograph, ''Evolution of Sex Determining Mechanisms''. In the early 1990s, he changed the focus of his work to experimental evolution and

phylogenetics In biology, phylogenetics () is the study of the evolutionary history of life using observable characteristics of organisms (or genes), which is known as phylogenetic inference. It infers the relationship among organisms based on empirical dat ...

, and has since had considerable success in both fields. His work in experimental evolution involves observing genetic and phenotypic changes in

bacteria Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one Cell (biology), biological cell. They constitute a large domain (biology), domain of Prokaryote, prokaryotic microorganisms. Typically a few micr ...

and bacteriophages, the

viruses A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are found in almo ...

that attack bacteria. In 2003 he was elected a member of the

American Academy of Arts and Sciences The American Academy of Arts and Sciences (The Academy) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, and other ...

. In 2016 he was elected to the

National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, NGO, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the ...

. After becoming emeritus at UT Austin, Bull moved to the University of Idaho in 2019."National Academy of Sciences Member Jim Bull to Join U of I Faculty"
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Bibliography

*''Evolution of sex determining mechanisms''. 1983. Menlo Park, California: The Benjamin/Cummings Publishing Company, Inc.

References

External links

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21st-century American biologists American evolutionary biologists Phage workers Year of birth missing (living people) Living people University of Texas at Austin people Fellows of the American Academy of Arts and Sciences Members of the United States National Academy of Sciences {{US-biologist-stub