J
James K. Harper
Researcher at University of Central Florida
Publications - 74
Citations - 4239
James K. Harper is an academic researcher from University of Central Florida. The author has contributed to research in topics: Solid-state nuclear magnetic resonance & Chemistry. The author has an hindex of 26, co-authored 69 publications receiving 3742 citations. Previous affiliations of James K. Harper include University of Utah & Argonne National Laboratory.
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Journal ArticleDOI
Natural products from endophytic microorganisms.
TL;DR: The prospects of finding new drugs that may be effective candidates for treating newly developing diseases in humans, plants, and animals are great and other applications in industry and agriculture may also be discovered among the novel products produced by endophytic microbes.
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Isopestacin, an isobenzofuranone from Pestalotiopsis microspora, possessing antifungal and antioxidant activities
Gary A. Strobel,Eugene Ford,Jeerepun Worapong,James K. Harper,Atta M. Arif,David M. Grant,Peter C. W. Fung,Raymond Ming Wah Chau +7 more
TL;DR: Isopestacin is an isobenzofuranone obtained from the endophytic fungus Pestalotiopsis microspora that possesses antifungal activity and also behaves as an antioxidant scavenging both superoxide and hydroxy free radicals.
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Pestacin: a 1,3-dihydro isobenzofuran from Pestalotiopsis microspora possessing antioxidant and antimycotic activities
James K. Harper,Atta M. Arif,Eugene Ford,Gary A. Strobel,John A. Porco,David P. Tomer,Kim L. O'Neill,Elizabeth M. Heider,David M. Grant +8 more
TL;DR: Pestalotiopsis microspora, an endophytic fungus native to the rainforest of Papua New Guinea, produces a 1,3-dihydro isobenzofuran that is 1,5,7-trisubstituted and exhibits moderate antifungal properties and antioxidant activity 11 times greater than the vitamin E derivative trolox.
Journal ArticleDOI
Kakadumycins, novel antibiotics from Streptomyces sp NRRL 30566, an endophyte of Grevillea pteridifolia.
Uvidelio Castillo,James K. Harper,Gary A. Strobel,Joseph Sears,Kara Alesi,Eugene Ford,Janine Lin,Michelle Hunter,Michelle Maranta,Haiyan Ge,Debbie Yaver,James B. Jensen,Heidi Porter,Richard A. Robison,D A Millar,Wilford M. Hess,Margret Condron,David B. Teplow +17 more
TL;DR: In this paper, an endophytic streptomycete (NRRL 30566) is described and partially characterized from a fern-leaved grevillea (Grevillea pteridifolia) tree growing in the Northern Territory of Australia.
Journal ArticleDOI
Ambuic acid, a highly functionalized cyclohexenone with antifungal activity from Pestalotiopsis spp. and Monochaetia sp.
J. Y. Li,James K. Harper,David M. Grant,Bob Oka Tombe,Bharat Bashyal,Wilford M. Hess,Gary A. Strobel +6 more
TL;DR: Ambuic acid, a highly functionalized cyclohexenone, was isolated and characterized from Pestalotiopsis spp.