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- Current Students
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Student Resources
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Student Publications
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Blanke, Kristina
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Boley, Patricia
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Bolterstein, Elyse
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Booth, Clarissa
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Brody, Matthew
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Bultman, JoAnna
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Burns, Felipe
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Desotelle, Josh
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Ding, Lina
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Elmergreen, Tammy
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Hutchinson, John
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Irving, Amy
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Irving, Roy
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Johnson, Brian
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Johnson, Delinda
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Johnson, Shaina
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Jung-Hynes, Brittney
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Kumar, Kartik
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Lee, Sung-Kyoung
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Lorch, Jeff
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Mehta, Vatsal
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Novick, Rachel
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Park, Heesoo
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Pham, Ly
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Poenitzsch, Ashley
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Rhoads, Keelia
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Rufer, Echoleah
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Sand, Jordan
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Schmit, Travis
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Shan, Weihua
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Shanle, Erin
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Shetty, Ameesha
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Syed, Deeba
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Tarapore, Rohinton
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Velasco, Javier
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Wiecinski, Paige
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Wong, Letitia
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Yang, Sarah
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Yu, Min
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Zhao, Yun
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Calkins, Marcus
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Bultman, JoAnna
 JoAnna Bultman - Email
PhD Candidate - Started 2004
Harwarden, Iowa
Lab of Eric Johnson, PhD
Undergraduate Work
Gustavus Adolphus College
BA, Biology (1997)
Research as of August 2006
I am looking at the biosynthetic pathway of astaxanthin production in the yeast Phaffia rhodozyma. My research focuses on the last part of the pathway from beta carotene to astaxanthin to determine which enzymes regulate this part of the pathway and the genes that code for them. This last part of the pathway is the part of the pathway where molecular oxygen is added.
Astaxanthin is an antioxidant that protects yeast by reducing reactive oxygen species. It is also sold commercially as an antioxidant for humans and is often referred to as the “Super Vitamin E” due to its high antioxidant activity.
Publications- A novel genetic way to study the function of astaxanthin synthase in X. dendrorhous by generating a knock out mutant - JoAnna D. Bultman, Guangyun Lin, and Eric A. Johnson
Posters- Cardiovascular and Respiratory Validation Study in Telemeterized Cynomolgus Monkeys and Beagle Dogs. J.S. Lafferty1,2, N. Caya1,2, J. Bultman2, J.K. Herman1,2, and R.D. Sarazan1,2. 1Safety Pharmacology, Covance Laboratories, Madison, WI and 2Toxicology, Covance Laboratories, Madison, WI (Poster presented at 2006-SOT in San Diego by Covance staff)
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