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Heteroduplex Analysis of the Nonhomology Region between Moloney MuLV and the Dual Host Range Derivative HIX Virus

Donoghue, Daniel J. and Rothenberg, Ellen and Hopkins, Nancy and Baltimore, David and Sharp, Phillip A. (1978) Heteroduplex Analysis of the Nonhomology Region between Moloney MuLV and the Dual Host Range Derivative HIX Virus. Cell, 14 (4). pp. 959-970. ISSN 0092-8674. https://resolver.caltech.edu/CaltechAUTHORS:20170209-082835063

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Abstract

The dual host range virus HIX has been previously characterized as an envelope gene recombinant between Moloney murine leukemia virus (Mo-MuLV) and an unidentified xenotropic murine leukemia virus. Using long reverse transcripts of Mo-MuLV, a region of nonhomology has been mapped by electron microscopic analysis of heteroduplexes formed with HIX 35S virion RNA. In this nonhomology region, the Mo-MuLV cDNA strand measured approximately 900 nucleotides, mapping between 1.6 and 2.5 kilobases from the 3′ end. In a previous study, hybridization of Mo-MuLV 21S RNA with Mo-MuLV cDNA resulted in the formation of different heteroduplex structures diagnostic of a noncontiguously coded leader sequence at the 5′ end of the 21S RNA. Following hybridization of poly(A)+ HIX 21S RNA with 8.2 kb Mo-MuLV cDNA, analogous heteroduplex structures were observed exhibiting the Mo-MuLV:HIX substitution loop in the DNA:RNA segment of the molecules. This analysis permitted more precise mapping of the nonhomology region with respect to the splice point in the 21S presumptive glycoprotein mRNA. The mapping of this nonhomology region in HIX virus provides an internal visual marker for the 3′ end of the genome which may prove useful in future analyses of other deletion or substitution derivatives of Mo-MuLV.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0092-8674(78)90350-1DOIArticle
http://www.sciencedirect.com/science/article/pii/0092867478903501PublisherArticle
ORCID:
AuthorORCID
Rothenberg, Ellen0000-0002-3901-347X
Baltimore, David0000-0001-8723-8190
Additional Information:© 1978 by MIT. Received 18 April 1978, Revised 23 May 1978. D.J.D. and E.R. particularly wish to thank the following individuals for stimulating discussions and encouragement: Poul Andersson, Arnold Berk, Peter Besmer, Douglas Faller and Owen Witte. D.J.D. gratefully acknowledges a Whitaker Health Sciences Fund Fellowship. E.R. is supported by a postdoctoral fellowship from the Jane Coffin Childs Memorial Fund for Cancer Research. D.B. is a Research Professor of the American Cancer Society. P.A.S. gratefully acknowledges a Career Development Award from the American Cancer Society. This work was supported by a Cancer Center Core Grant from the NIH. The costs of publication of this article were defrayed in part by the payment of page charges. This article must therefore be hereby marked "advertisement" in accordance with 18 U.S.C. Section 1734 solely to indicate this fact.
Funders:
Funding AgencyGrant Number
Whitaker Health Sciences Fund FellowshipUNSPECIFIED
Jane Coffin Childs Memorial Fund for Medical ResearchUNSPECIFIED
American Cancer SocietyUNSPECIFIED
NIHUNSPECIFIED
Issue or Number:4
Record Number:CaltechAUTHORS:20170209-082835063
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170209-082835063
Official Citation:Daniel J. Donoghue, Ellen Rothenberg, Nancy Hopkins, David Baltimore, Phillip A. Sharp, Heteroduplex analysis of the nonhomology region between Moloney MuLV and the dual host range derivative HIX virus, Cell, Volume 14, Issue 4, August 1978, Pages 959-970, ISSN 0092-8674, http://dx.doi.org/10.1016/0092-8674(78)90350-1. (//www.sciencedirect.com/science/article/pii/0092867478903501)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:74189
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:09 Feb 2017 19:10
Last Modified:03 Oct 2019 16:35

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