Christopher Chetsanga
Encyclopedia
Christopher J Chetsanga is a preeminent Zimbabwe
an scientist.
:
Zimbabwe
Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...
an scientist.
Education
- 1965 obtained a BSc degree at the University of CaliforniaUniversity of CaliforniaThe University of California is a public university system in the U.S. state of California. Under the California Master Plan for Higher Education, the University of California is a part of the state's three-tier public higher education system, which also includes the California State University...
and Pepperdine UniversityPepperdine UniversityPepperdine University is an independent, private, medium-sized university affiliated with the Churches of Christ. The university's campus overlooking the Pacific Ocean in unincorporated Los Angeles County, California, United States, near Malibu, is the location for Seaver College, the School of...
in California, USA - 1965-1969 obtained MSc and PhD degrees in Biochemistry and Molecular Biology at the University of TorontoUniversity of TorontoThe University of Toronto is a public research university in Toronto, Ontario, Canada, situated on the grounds that surround Queen's Park. It was founded by royal charter in 1827 as King's College, the first institution of higher learning in Upper Canada...
, Canada - 1969-1972 became a Post-doctoral Fellow, Department of Biochemistry and Molecular Biology at Harvard UniversityHarvard UniversityHarvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...
Scientific Achievements
Discovered two enzymes involved in the repair of damaged DNADNA
Deoxyribonucleic acid is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms . The DNA segments that carry this genetic information are called genes, but other DNA sequences have structural purposes, or are involved in...
:
- Formamidopyrimidine DNA GlycosylaseFormamidopyrimidine DNA GlycosylaseFormamidopyrimidine DNA glycosylase is a base excision repair enzyme which recognizes and removes a wide range of oxidized purines from correspondingly damaged DNA....
, which removes damaged 7-methylguanine from DNA (1979). - DNA cyclase, which recloses imidazole rings of guanineGuanineGuanine is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine . In DNA, guanine is paired with cytosine. With the formula C5H5N5O, guanine is a derivative of purine, consisting of a fused pyrimidine-imidazole ring system with...
and adenineAdenineAdenine is a nucleobase with a variety of roles in biochemistry including cellular respiration, in the form of both the energy-rich adenosine triphosphate and the cofactors nicotinamide adenine dinucleotide and flavin adenine dinucleotide , and protein synthesis, as a chemical component of DNA...
damaged by x-irradiation (1985).
Work experience
- Assistant Professor, Associate Professor, Full Professor, University of MichiganUniversity of MichiganThe University of Michigan is a public research university located in Ann Arbor, Michigan in the United States. It is the state's oldest university and the flagship campus of the University of Michigan...
, 1972–1983 - Professor of Biochemistry, University of ZimbabweUniversity of ZimbabweThe University of Zimbabwe in Harare, is the oldest and largest university in Zimbabwe. It was founded through a special relationship with the University of London and it opened its doors to its first students in 1952. The university has ten faculties offering a wide variety of degree programmes...
, 1983–1986 - Dean of Science University of Zimbabwe, (1986–1991)
- Pro Vice Chancellor, University of Zimbabwe, (1991–1993)
- Director General, Scientific and Industrial Research and Development Center, Zimbabwe, 1993-2003