Citrus tristeza virus: survival at the edge of the movement continuum.

Journal of Virology
Svetlana Y FolimonovaW O Dawson

Abstract

Systemic invasion of plants by viruses is thought to involve two processes: cell-to-cell movement between adjacent cells and long-distance movement that allows the virus to rapidly move through sieve elements and unload at the growing parts of the plant. There is a continuum of proportions of these processes that determines the degrees of systemic infection of different plants by different viruses. We examined the systemic distribution of Citrus tristeza virus (CTV) in citrus species with a range of susceptibilities. By using a "pure" culture of CTV from a cDNA clone and green fluorescent protein-labeled virus we show that both cell-to-cell and long-distance movement are unusually limited, and the degree of limitation varies depending on the citrus host. In the more-susceptible hosts CTV infected only a small portion of phloem-associated cells, and moreover, the number of infection sites in less-susceptible citrus species was substantially decreased further, indicating that long-distance movement was reduced in those hosts. Analysis of infection foci in the two most differential citrus species, Citrus macrophylla and sour orange, revealed that in the more-susceptible host the infection foci were composed of a cluster of multipl...Continue Reading

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Citations

Oct 12, 2011·Proceedings of the National Academy of Sciences of the United States of America·Satyanarayana TatineniWilliam O Dawson
May 18, 2012·Journal of Virology·Satyanarayana Tatineni, William O Dawson
May 21, 2013·Annual Review of Phytopathology·William O Dawson, Svetlana Y Folimonova
Apr 9, 2013·Molecular Plant Pathology·Jesús AgüeroJosé Guerri
Oct 16, 2015·Physiologia Plantarum·Paolo LainoVita M C Moliterni
Nov 11, 2011·The Journal of General Virology·Gonçalo SilvaGustavo Nolasco
May 15, 2015·Annual Review of Phytopathology·William O DawsonPedro Moreno
Oct 17, 2016·Virology·María BerguaSvetlana Y Folimonova
Sep 17, 2018·The New Phytologist·Yong-Duo Sun, Svetlana Y Folimonova
Jan 10, 2017·Annals of Botany·Ronaldo J D DalioMarcos A Machado
Mar 17, 2021·Phytopathology·Laudecir L Raiol-JuniorSilvio A Lopes

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