Arrest in viral transport as the basis for plant resistance to infection

Shoko Ueki, Vitaly Citovsky

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Citations (Scopus)

Abstract

After initial inoculation, most viruses spread in host plants via two mechanisms: local, cell-to-cell movement and systemic movement. Cell-to-cell movement occurs through intercellular connections, plasmodesmata (PD), between epidermal (EP) cells and mesophyll (MS) cells, or MS cells and MS cells. Systemic movement is more complex, comprising three distinct stages: viral entry into vascular system from MS cells in the inoculated leaf, long distance transport through the vasculature, and viral egress from the vascular tissues into MS cells within uninoculated, systemic organs. Generally, local movement is a relatively slow process (e.g., 5-15 μm/hr, see Gibbs, 1976), which, in some hosts, may be further restricted by limitations in the viral replication rate. On the other hand, long distance movement through the vascular system is rather rapid (e.g., 50-80 mm/hr, see Gibbs, 1976), occurring with the flow of photoassimilates and, in many if not all cases, not requiring viral replication (Wintermantel et al. 1997; Susi et al. 1999). Studies to date show that these two processes are mediated by different sets of viral proteins, implying that cellular machineries, especially those for the PD transport that viruses utilize in their two modes of movement are quite different from each other.

Original languageEnglish
Title of host publicationNatural Resistance Mechanisms of Plants to Viruses
PublisherSpringer Netherlands
Pages289-314
Number of pages26
ISBN (Print)9781402037801, 1402037791, 9781402037795
DOIs
Publication statusPublished - 2006
Externally publishedYes

Fingerprint

Mesophyll Cells
Plasmodesmata
mesophyll
Blood Vessels
Infection
infection
Cell Movement
cells
plant vascular system
plasmodesmata
Viruses
virus replication
cell movement
Viral Proteins
viruses
viral proteins
vascular tissues
host plants

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Ueki, S., & Citovsky, V. (2006). Arrest in viral transport as the basis for plant resistance to infection. In Natural Resistance Mechanisms of Plants to Viruses (pp. 289-314). Springer Netherlands. https://doi.org/10.1007/1-4020-3780-5_13

Arrest in viral transport as the basis for plant resistance to infection. / Ueki, Shoko; Citovsky, Vitaly.

Natural Resistance Mechanisms of Plants to Viruses. Springer Netherlands, 2006. p. 289-314.

Research output: Chapter in Book/Report/Conference proceedingChapter

Ueki, S & Citovsky, V 2006, Arrest in viral transport as the basis for plant resistance to infection. in Natural Resistance Mechanisms of Plants to Viruses. Springer Netherlands, pp. 289-314. https://doi.org/10.1007/1-4020-3780-5_13
Ueki S, Citovsky V. Arrest in viral transport as the basis for plant resistance to infection. In Natural Resistance Mechanisms of Plants to Viruses. Springer Netherlands. 2006. p. 289-314 https://doi.org/10.1007/1-4020-3780-5_13
Ueki, Shoko ; Citovsky, Vitaly. / Arrest in viral transport as the basis for plant resistance to infection. Natural Resistance Mechanisms of Plants to Viruses. Springer Netherlands, 2006. pp. 289-314
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