NUCLEOTIDE-SEQUENCE AND GENOME ORGANIZATION OF TOMATO LEAF CURL GEMINIVIRUS

被引:176
作者
DRY, IB [1 ]
RIGDEN, JE [1 ]
KRAKE, LR [1 ]
MULLINEAUX, PM [1 ]
REZAIAN, MA [1 ]
机构
[1] CSIRO,DIV HORT,GPO BOX 350,ADELAIDE,SA 5001,AUSTRALIA
关键词
D O I
10.1099/0022-1317-74-1-147
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The genome of tomato leaf curl virus (TLCV) from Australia was cloned and its complete nucleotide sequence determined. It is a single circular ssDNA of 2766 nucleotides containing the consensus nona-nucleotide sequence present in all geminiviruses. It has six open reading frames with an organization resembling that of certain other dicotyledonous plant-infecting monopartite geminiviruses, i.e. tomato yellow leaf curl and beet curly top viruses. The regulatory sequences present indicate a bidirectional mode of transcription. A dimeric TLCV DNA clone was constructed in a binary vector and used to agroinoculate three different host species. Typical virus infections were produced, confirming that the single DNA component is sufficient for infectivity.
引用
收藏
页码:147 / 151
页数:5
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