Literature DB >> 17444600

A TOM1 homologue is required for multiplication of Tobacco mosaic virus in Nicotiana benthamiana.

Bing Chen1, Jin-hua Jiang, Xue-ping Zhou.   

Abstract

The AtTOM1 gene of Arabidopsis thaliana had been shown to be essential for the efficient multiplication of Tobacco mosaic virus (TMV) in A. thaliana. In this study, we cloned an AtTOM1-like gene from Nicotiana benthamiana named as NbTOM1. Sequence alignment showed that NbTOM1 is closely related to AtTOM1 homologues of N. tabacum and Lycopersicon esculentum with 97.2% and 92.6% nucleotide sequence identities, respectively. Silencing of NbTOM1 by a modified viral satellite DNA-based vector resulted in complete inhibition of the multiplication of TMV in N. benthamiana. The result suggests that inhibition of NbTOM1 via RNA silencing is a potentially useful method for generating TMV-resistant plants.

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Year:  2007        PMID： 17444600      PMCID： PMC1838827          DOI： 10.1631/jzus.2007.B0256

Source DB:  PubMed          Journal:  J Zhejiang Univ Sci B        ISSN： 1673-1581            Impact factor:   3.066


  11 in total

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