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Federal Grants and Contracts for Unclassified Research in the Life Sciences
Issue for Fiscal year 1954 accompanied by separately published section with title: Projects listed by agencies.
Corona- and Related Viruses
Corona- and related viruses are important human and animal pathogens that also serve as models for other viral-mediated diseases. Interest in these pathogens has grown tremendously since the First International Symposium was held at the Institute of Virology and Immunobiology of the University of Wiirzburg, Germany. The Sixth International Symposium was held in Quebec City from August 27 to September I, 1994, and provided further understanding of the molecular biology, immunology, and pathogenesis of corona-, toro-, and arterivirus infections. Lectures were given on the molecular biology, pathogenesis, immune responses, and development of vaccines. Studies on the pathogenesis of coronavirus infections have been focused mainly on murine coronavirus, and mouse hepatitis virus. Neurotropic strains ofMHV (e.g., JHM, A59) cause a demyelinating disease that has served as an animal model for human multiple sclerosis. Dr. Samuel Dales, of the University of Western Ontario, London, Canada, gave a state-of-the-art lecture on our current under standing of the pathogenesis of JHM-induced disease.
Coronaviruses and their Diseases
Interest in the coronaviruses has never been greater. Their economic impact is considerable as they infect humans, livestock, poultry and companion animals. Murine hepatitis virus (MHV) infection of the mouse and rat central nervous systems are the subject of intense study; these investigations are providing insights into the potential role of viruses in human neurological diseases and, more generally, into mechanisms causing neurological damage. The single-stranded, positive-sense RNA genomes of two species of these enveloped viruses (IBV and MHV) have been cloned completely and one of them (lBV) sequenced in its entirety, revealing a genome size of some 27000 nucleotides. This has made pos...
Market Diseases of Fruits and Vegetables
This publication deals with taxonomy of the 14 species and varieties now known from the United States; all of these, for reasons stated later, are assigned to Pantomorus.
The Story of the Cattle-fever Tick
This publication provides a section which gives a brief description of the various offices within the United States Department of Agriculture and their functions, followed by a directory, and an Index of Names.
Feeding Wheat to Livestock
Wheat is not usually regarded as a substitute for corn as a feed for livestock, but a small carry-over of old corn and a new crop greatly reduced by drought leaves many farmers short of corn for feed. With the other feed grain supplies only about equal to the amounts normally fed, the main source of making up the shortage of corn is wheat.
Market Diseases of Fruits and Vegetables
The decade since the World War has been in many ways the most extraordinary period in American agriculture. For the first time in the Nation's history, the census of 1925 showed a decrease (since 1920) in crop acreage, in farm animals, in number of farms, and in farm population. Nevertheless, agricultural production increased more rapidly from 1922 to 1926, inclusive, than in any period since 1900, and probably since 1890, when the agricultural occupation of the prairies approached completion.
