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Agricultural biotechnology, also known as agritech, is an area of agricultural science involving the use of scientific tools and techniques, including genetic engineering, molecular markers, molecular diagnostics, vaccines, and tissue culture, to modify living organisms: plants, animals, and microorganisms. Crop biotechnology is one aspect of agricultural biotechnology which has been greatly developed upon in recent times. Desired trait are exported from a particular species of Crop to an entirely different species. These transgene crops possess desirable characteristics in terms of flavor, color of flowers, growth rate, size of harvested products and resistance to diseases and pests.
The Donald Danforth Plant Science Center is an independent, not-for-profit research institute dedicated to plant science located in the Creve Coeur community of Saint Louis County, Missouri, United States. It was founded in 1998 by William Henry Danforth, chancellor emeritus of Washington University in St. Louis and named after his father, and established through a $60 million gift from the Danforth Foundation, a $50 million gift from the Monsanto Fund, the donation of 40 acres of land from Monsanto, and $25 million in tax credits from the State of Missouri.
Cassava mosaic virus is the common name used to refer to any of eleven different species of plant pathogenic virus in the genus Begomovirus. African cassava mosaic virus (ACMV), East African cassava mosaic virus (EACMV), and South African cassava mosaic virus (SACMV) are distinct species of circular single-stranded DNA viruses which are transmitted by whiteflies and primarily infect cassava plants; these have thus far only been reported from Africa. Related species of viruses are found in India and neighbouring islands, though cassava is cultivated in Latin America as well as Southeast Asia. Nine species of cassava-infecting geminiviruses have been identified between Africa and India based on genomic sequencing and phylogenetic analysis. This number is likely to grow due to a high rate of natural transformation associated with CMV.
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Cassava brown streak virus disease (CBSD) is a damaging disease of cassava plants, and is especially troublesome in East Africa. It was first identified in 1936 in Tanzania, and has spread to other coastal areas of East Africa, from Kenya to Mozambique. Recently, it was found that two distinct viruses are responsible for the disease: cassava brown streak virus (CBSV) and Ugandan cassava brown streak virus (UCBSV). Both have (+)ss RNA genomes, belong to the genus Ipomovirus in the family Potyviridae, and produce generally similar symptoms in infected plants. Root rot renders the cassava tuber inedible, resulting in severe loss of economic value; therefore, current research focuses on achieving cultivars that do not develop the necrotic rot. This disease is considered to be the biggest threat to food security in coastal East Africa and around the eastern lakes.
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Segenet Kelemu is an Ethiopian scientist, noted for her research as a molecular plant pathologist, and outstanding scientific leadership. For close to three decades, Kelemu and her team's research has contributed to addressing agricultural constraints in Africa, Asia, Latin America and North America.
Cassava brown streak virus is a species of positive-strand RNA viruses in the genus Ipomovirus and family Potyviridae which infects plants. Member viruses are unique in their induction of pinwheel, or scroll-shaped inclusion bodies in the cytoplasm of infected cells. Cylindrical inclusion bodies include aggregations of virus-encoded helicase proteins. These inclusion bodies are thought to be sites of viral replication and assembly, making then an important factor in the viral lifecycle. Viruses from both the species Cassava brown streak virus and Ugandan cassava brown streak virus (UCBSV), lead to the development of Cassava Brown Streak Disease (CBSD) within cassava plants.
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Manoj Prasad is an Indian plant geneticist, molecular biologist and working as a Senior Scientist and JC Bose National Fellow at the National Institute of Plant Genome Research (NIPGR). Known for his research on the stress biology of plants and virology, he is an elected fellow of the Indian National Science Academy, the National Academy of Sciences, India, the National Academy of Agricultural Sciences and the Indian Virological Society and was a recipient of the Alexander von Humboldt Fellowship. The Department of Biotechnology of the Government of India awarded him the National Bioscience Award for Career Development, one of the highest Indian science awards, for his contributions to biosciences, in 2014.
Laura Boykin is an American computational biologist who uses supercomputing and genomics to help farmers in Sub-Saharan Africa. She has studied the evolution of the agricultural pest whitefly and identified genetic differences between various species. She works with African scientists to develop computing and genomics skills across the continent, and is a Senior TED fellow.
Elijah Miinda Ateka is a Professor of Plant Virology at the Jomo Kenyatta University of Agriculture and Technology. He is involved with the diagnosis and characterisation of the sweet potato virus and the cassava virus, and is part of the Cassava Virus Action Project (CVAP).
Andrew Rambaut is a British evolutionary biologist, as of 2020 Professor of molecular evolution at the University of Edinburgh.
Appolinaire Djikeng is a Cameroonian biologist and Professor and Chair for Tropical Agriculture and Sustainable Development and Director of the Tropical Livestock Genetics and Health at the University of Edinburgh. He was awarded the 2020 UNESCO Center for Peace Nelson Mandela Justice award in recognition of his international peace work.
References
- ↑ Monks, Kieron. "Scientists battle 'Ebola of plants'". CNN. Retrieved 2020-06-24.
- ↑ "The Great Tanzanian". Tanzania Zalendo. Retrieved 2020-06-24.
- ↑ "Joseph Ndunguru". www.cassavawhitefly.org. Archived from the original on 2021-04-10. Retrieved 2020-06-24.
- ↑ "Team". Cassava Virus Action Project. 2017-08-07. Retrieved 2020-06-24.
- ↑ "Meet the scientists | AgShare.Today" . Retrieved 2020-06-24.
- ↑ "Joseph Ndunguru | Cassava Virus Evolution". www.cassavavirusevolution.org. Retrieved 2020-06-24.
- ↑ "Meet the BecA Hub staff - BecA-ILRI hub". hub.africabiosciences.org. Retrieved 2020-06-24.
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