8,007 research outputs found
Rediscovery of the Florida Scorpionfly, Panorpa floridana Byers (Mecoptera: Panorpidae)
We describe the rediscovery of the Florida scorpionfly, Panorpa floridana Byers (Mecoptera: Panorpidae), at Gold Head Branch State Park, Clay County, Florida, based upon a single, living, adult specimen photographed on 4 November 2010. The hardcopy photographic prints and electronic digital images of this panorpid are the first vouchers for P. floridana in 28 years, the only observation of a living specimen, and the sixth individual known of this seemingly rare Florida endemic
Special Libraries, March 1959
Volume 50, Issue 3https://scholarworks.sjsu.edu/sla_sl_1959/1002/thumbnail.jp
Special Libraries, March 1959
Volume 50, Issue 3https://scholarworks.sjsu.edu/sla_sl_1959/1002/thumbnail.jp
Goodbye Presentation
In this capstone presentation, visiting Chinese doctoral student Zhihui Zhang explains how she came to study at the University of Kentucky Libraries Special Collections Research Center; the archival projects she worked on, the individual people she met with, and the cultural heritage organization tours she went on; the differences and similarities between American and Chinese archival theory and practice; and how this experience will inform her Ph.D. program and her dissertation
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Origin and evolution of the octoploid strawberry genome.
Cultivated strawberry emerged from the hybridization of two wild octoploid species, both descendants from the merger of four diploid progenitor species into a single nucleus more than 1 million years ago. Here we report a near-complete chromosome-scale assembly for cultivated octoploid strawberry (Fragaria × ananassa) and uncovered the origin and evolutionary processes that shaped this complex allopolyploid. We identified the extant relatives of each diploid progenitor species and provide support for the North American origin of octoploid strawberry. We examined the dynamics among the four subgenomes in octoploid strawberry and uncovered the presence of a single dominant subgenome with significantly greater gene content, gene expression abundance, and biased exchanges between homoeologous chromosomes, as compared with the other subgenomes. Pathway analysis showed that certain metabolomic and disease-resistance traits are largely controlled by the dominant subgenome. These findings and the reference genome should serve as a powerful platform for future evolutionary studies and enable molecular breeding in strawberry
George Washington Forgeries and Facsimiles
In preparation for a new and complete edition of George Washington\u27s correspondence, the editors of the Papers of George Washington at the University of Virginia have over a ten year period collected copies of some 135,000 items of correspondence. This includes letters and documents written to Washington as well as those written by him. Among these thousands of documents are some 150 to 200 that bear a special relationship to the rest of the project\u27s holdings. These are the documents produced over the last hundred years by forgers of varying skill and which are often still masquerading as authentic Washington documents
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