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Adv Virus Res. 2015;92:101-99. doi: 10.1016/bs.aivir.2014.11.006. Epub 2015 Jan 21.

Molecular biology of potyviruses.

Author information

1
INRA, UMR 1332 de Biologie du fruit et Pathologie, Villenave d'Ornon, France; Université de Bordeaux, UMR 1332 de Biologie du fruit et Pathologie, Villenave d'Ornon, France. Electronic address: revers@bordeaux.inra.fr.
2
Centro Nacional de Biotecnología (CNB-CSIC), Campus Universidad Autónoma de Madrid, Madrid, Spain. Electronic address: jagarcia@cnb.csic.es.

Abstract

Potyvirus is the largest genus of plant viruses causing significant losses in a wide range of crops. Potyviruses are aphid transmitted in a nonpersistent manner and some of them are also seed transmitted. As important pathogens, potyviruses are much more studied than other plant viruses belonging to other genera and their study covers many aspects of plant virology, such as functional characterization of viral proteins, molecular interaction with hosts and vectors, structure, taxonomy, evolution, epidemiology, and diagnosis. Biotechnological applications of potyviruses are also being explored. During this last decade, substantial advances have been made in the understanding of the molecular biology of these viruses and the functions of their various proteins. After a general presentation on the family Potyviridae and the potyviral proteins, we present an update of the knowledge on potyvirus multiplication, movement, and transmission and on potyvirus/plant compatible interactions including pathogenicity and symptom determinants. We end the review providing information on biotechnological applications of potyviruses.

KEYWORDS:

Host factors; Molecular biology; Plant virus; Potyvirus; Viral determinants

PMID:
25701887
DOI:
10.1016/bs.aivir.2014.11.006
[Indexed for MEDLINE]

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