Involvement of a subgenomic mRNA in the generation of a variable population of defective citrus tristeza virus molecules

Author:

Yang G1,Mawassi M1,Gofman R1,Gafny R1,Bar-Joseph M1

Affiliation:

1. The S. Tolkowsky Laboratory, Department of Virology, Agricultural Research Organization, Bet Dagan, Israel.

Abstract

The fusion sites between the termini of naturally occurring defective RNAs (D-RNAs) from three citrus tristeza virus (CTV) isolates were sequenced. Seven of eight clones showed a common 3' terminus of 940 nucleotides (nt) fused to 5' termini with different sizes. An extra cytosine nucleotide was found at the junction site of the majority of the common 3' D-RNAs. Molecular analysis of the plus and minus strands of the 0.9-kbp double-stranded RNA, corresponding to the CTV open reading frame 11 subgenomic RNA (sgRNA), showed that they were identical in length and sequence to the common 3' sequence of the D-RNAs. These results imply that viral sgRNA messengers also function as building components for genomic rearrangement and exchange of complete viral genes.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

Reference22 articles.

1. Principles of molecular organization, expression and evolution of closteroviruses: over the barriers;Agranovsky A. A.;Adv. Virus Res.,1996

2. Bar-Joseph M. and R. F. Lee. 1990. Citrus tristeza virus revised description. CMI/AAB description of plant viruses no. 353. Association of Applied Biologists Warwick United Kingdom.

3. A severe citrus tristeza virus isolate causing the collapse of trees on sour orange before virus is detectable throughout the canopy;Ben-Ze'ev I. S.;Ann. Appl. Biol.,1989

4. Double-stranded RNAs of cucumber and its satellite contain an unpaired terminal guanosine. Implications for replication;Colmer C. W.;Virology,1985

5. A comprehensive set of sequence analysis programs for the VAX;Devereaux J.;Nucleic Acids Res.,1984

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3