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https://www.psu.edu/news/huck-institutes-life-sciences/story/guiltinan-named-director-penn-state-plant-institute Guiltinan named director of the Penn State Plant Institute | Penn State University Mark Guiltinan, professor of plant molecular biology and J. Franklin Styer Professor of Horticultural Botany, has been named director of the Penn State Plant... of thepenn statenameddirectorplant