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Protoplasma

, Volume 248, Issue 1, pp 75–99 | Cite as

Cellular pathways for viral transport through plasmodesmata

  • Annette Niehl
  • Manfred Heinlein
Review Article

Abstract

Plant viruses use plasmodesmata (PD) to spread infection between cells and systemically. Dependent on viral species, movement through PD can occur in virion or non-virion form, and requires different mechanisms for targeting and modification of the pore. These mechanisms are supported by viral movement proteins and by other virus-encoded factors that interact among themselves and with plant cellular components to facilitate virus movement in a coordinated and regulated fashion.

Keywords

Plasmodesmata Virus Movement protein Cytoskeleton Endoplasmic reticulum Silencing suppressor 

Abbreviations

AbMV

Abutilon mosaic virus

AMV

Alfalfa mosaic virus

BDMV

Bean dwarf mosaic virus

BMV

Brome mosaic virus

BYV

Beet yellows virus

CaMV

Cauliflower mosaic virus

CMV

Cucumber mosaic virus

CPMV

Cowpea mosaic virus

GFLV

Grapevine fanleaf virus

GRV

Groundnut rosette virus

PMTV

Potato mop-top virus

PPV

Plum pox virus

PsbMV

Pea seed-borne mosaic virus

PVX

Potato virus X

PVY

Potato virus Y

TCrLYV

Tomato crinkle leaf yellows virus

TEV

Tobacco etch virus

TGMV

Tomato golden mosaic virus

TLCV

Tomato leaf curl virus

TMV

Tobacco mosaic virus

ToMV

Tomato mosaic virus

TSWV

Tomato spotted wilt virus

TVCV

Turnip vein clearing virus

WClMV

White clover mosaic virus

CP

Coat protein

EB1

Microtubule end-binding protein 1

ER

Endoplasmic reticulum

HC-Pro

Helper component-protease

HR

Hypersensitive response

HSF

Heat-shock factor

MP

Movement protein

MT

Microtubules

NCAP

Non-cell-autonomous protein

NIG

NSP-interacting ATPase

NSP

Nuclear shuttle protein

PD

Plasmodesmata

PDLP

Plasmodesmata-localized protein

PME

Pectin-methylesterase

vRNA

Viral RNA

RDR

RNA-dependent-RNA polymerase

RISC

RNA-induced silencing complex

RNP

Ribonucleoprotein complex

SEL

Size exclusion limit

TGB

Triple gene block

VRC

Viral replication complex

Notes

Acknowledgments

AN was supported by HFSPO Research Program Grant 22/2006. We thank Eduardo Peña for providing images of virus infection shown in Fig. 1.

Conflict of Interest

The authors declare that they have no conflict of interest.

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© Springer-Verlag 2010

Authors and Affiliations

  1. 1.Institut de Biologie Moléculaire des Plantes du CNRSUniversité de StrasbourgStrasbourgFrance
  2. 2.Botanical Institute, Department of Plant PhysiologyUniversity of BaselBaselSwitzerland

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