Complementation and recombination between alfalfa mosaic virus RNA3 mutants in tobacco plants.

Complementation and recombination between alfalfa mosaic virus RNA3 mutants in tobacco plants.
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DOI:
10.1016/0042-6822(91)91002-x
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发表时间:
1991-08
期刊:
影响因子:
3.7
通讯作者:
Bol JF
Bol JF
中科院分区:
医学3区
文献类型:
--
作者:
van der Kuyl AC;Neeleman L;Bol JF

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对苜蓿花叶病毒(alfalfa mosaic virus,AIMV)RNA 3的感染性cDNA克隆进行了缺失,并研究了这些cDNA的RNA转录本在转化了AIMV复制酶基因的烟草植株(P12植株)中的复制。以前,我们发现P3基因的缺失不影响RNA 3在P12原生质体中的积累,而外壳蛋白(CP)基因的缺失使积累减少100倍(,Virology 183,687-694)。在P12植物中,P3基因的缺失使积累减少了约200倍,CP缺失突变体的积累不可检测。当P12植株接种P3和CP缺失突变体的混合物时,这两种突变体都有效地复制,并且通过重组形成了不同量的全长RNA 3分子。一些P3和CP突变体在P12植物中几次传代后没有以可检测的水平重组的观察结果表明,AIMV P3和CP基因中的突变可以反式互补。
Deletions were made in an infectious cDNA clone of alfalfa mosaic virus (AIMV) RNA3 and the replication of RNA transcripts of these cDNAs was studied in tobacco plants transformed with AIMV replicase genes (P12 plants). Previously, we found that deletions in the P3 gene did not affect accumulation of RNA3 in P12 protoplasts whereas deletions in the coat protein (CP) gene reduced accumulation 100-fold (, Virology 183, 687–694). In P12 plants deletions in the P3 gene reduced accumulation by about 200-fold and accumulation of CP deletion mutants was not detectable. When P12 plants were inoculated with a mixture of P3- and CP-deletion mutants, both mutants replicated efficiently and various amounts of full-length RNA3 molecules were formed by recombination. The observation that some P3 and CP mutants did not recombine at a detectable level after several passages in P12 plants demonstrated that mutations in the AIMV P3 and CP genes can be complemented in trans.
多部分植物病毒的RNA成分之间的遗传重组。
DOI: 10.1038/321528a0
发表时间: 1986
期刊: Nature
影响因子: 64.8
作者:
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通讯作者: Kaesberg P
DOI: 10.1016/0042-6822(71)90007-9
发表时间: 1971-01-01
期刊: VIROLOGY
影响因子: 3.7
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发表时间: 1991-04-01
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影响因子: 3.7
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发表时间: 1991-08-01
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影响因子: 3.7
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