• Source: Dennis Gonsalves

Dennis Gonsalves (born 1943) is an American phytopathologist. He has created with his team two virus-resistant papaya cultivars called SunUp and Rainbow, which rescued the papaya sector in Hawaii from the devastating effects of the papaya ringspot virus that hit in the late 1990s.




Life


Gonsalves was born and raised on a sugar plantation in Kohala, Hawaii. He studied horticulture (BS, 1965) and phytopathology at the University of Hawaii. His doctorate was in 1968 at the University of California, Davis. From 1972 to 1977 he worked at the University of Florida and from 1977 to 2002 at Cornell University, where he became a professor in 1995. Since 2002 he was the director of a USDA research center in Hilo and is now retired and living in Hawaii.




Work


Gonsalves began his research career at Cornell University working on virus-resistant plants. While on a trip back home to Hawaii, he learned from local farmers that a virus was rapidly making its way toward the Big Island's Puna District, where the majority of the state's papayas were grown. This led to his starting a research program in 1985 that resulted in the creation of a papaya with resistance to the papaya ringspot virus. His work is recognized worldwide and has received several awards.
His Rainbow papaya makes up about 77 percent of the Hawaii's crop. Funded by USAID, he helped develop locally adapted papaya varieties for Venezuela, Jamaica, Brazil, Africa, and Bangladesh.




Awards


2002: Humboldt Prize
2003: The American Society of Plant Biologists (ASPB) Leadership in Science Public Service Award
2004: USDA Technology Transfer Award
2007: Agriculture Research Service Science Hall of Fame
2009: Presidential Distinguished Rank Award
Lee Hutchison Award for accomplishments in research, mentoring, and outreach to developing countries
fellow of the American Phytopathological Society




Example Patents


December 7, 1999 Potyvirus coat protein genes and plants transformed therewith
June 30, 2009 Papaya ringspot virus genes
May 19, 2009 Synthetic nucleic acid molecule for imparting multiple traits
May 1, 2007 Grapevine fanleaf virus resistance in grapevine
August 1, 2006 Isolated nucleic acid molecules relating to papaya fruit ripening




References






External links


Academic Website
Short Biography
Projects and publications on the ARS website
Cornell Alliance for Science
Interview with Road Trip Nation
Publication List

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