Tomato bushy stunt virus and DI RNAs as a model for studying mechanisms of RNA virus replication, pathogenicity and recombination. Final technical report for 1994--1997

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Description

Tomato bushy stunt virus (TBSV) is a small icosahedral virus with a very broad host-range. The symptoms of systemic infection range from mild mosaic to severe necrosis that often results in death. The genome of TBSV is composed of a single plus stranded RNA molecule with five genes. Two 5 inch genes are translated from the viral RNA, and the remaining three are translated from two subgenomic RNAs. Prior to the DOE supported studies, TBSV gene function had been assigned solely on the basis of sequence similarity with other virus genes of known function. The two 5 inch proximal genes ... continued below

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7 p.

Creation Information

Morris, T.J. & Jackson, A.O. December 31, 1997.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 11 times . More information about this report can be viewed below.

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  • Morris, T.J. Univ. of Nebraska, Lincoln, NE (United States). School of Biological Sciences
  • Jackson, A.O. Univ. of California, Berkeley, CA (United States). Dept. of Plant Biology

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Description

Tomato bushy stunt virus (TBSV) is a small icosahedral virus with a very broad host-range. The symptoms of systemic infection range from mild mosaic to severe necrosis that often results in death. The genome of TBSV is composed of a single plus stranded RNA molecule with five genes. Two 5 inch genes are translated from the viral RNA, and the remaining three are translated from two subgenomic RNAs. Prior to the DOE supported studies, TBSV gene function had been assigned solely on the basis of sequence similarity with other virus genes of known function. The two 5 inch proximal genes (p33 and p92) were thought to be involved in viral replication, the middle gene encoded the capsid protein (p41), but no clear function was assigned to two nested 3 inch genes (p19 and p22), although it was suggested that at least one could be involved in movement. This research has determined the roles of each of the viral genes in the infection process, and the authors have obtained considerable genetic information pertinent to the contributions of the coat protein and the nested genes to the disease phenotypes observed in several host plants. They have also identified another genetic element with a short open reading frame in the 3 inch-noncoding region of the genome that provides a host-dependent replication function.

Physical Description

7 p.

Notes

OSTI as DE99002785

Medium: P; Size: 7 p.

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  • Other Information: PBD: 1997

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  • Other: DE99002785
  • Report No.: DOE/ER/20026--T1
  • Grant Number: FG02-91ER20026
  • DOI: 10.2172/353366 | External Link
  • Office of Scientific & Technical Information Report Number: 353366
  • Archival Resource Key: ark:/67531/metadc677025

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Creation Date

  • December 31, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 13, 2017, 12:49 p.m.

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Morris, T.J. & Jackson, A.O. Tomato bushy stunt virus and DI RNAs as a model for studying mechanisms of RNA virus replication, pathogenicity and recombination. Final technical report for 1994--1997, report, December 31, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc677025/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.