Volume 49 Number 1 Article 5
Year 1995 Month 1
Title: Cross Protection Against Virus Diseases in Fruit Trees
Authors: R.H. Alrefai and S.S. Korban
Abstract:
Fruit trees are commonly infected with plant
viruses.
Several methods have been used to
eradicate viruses from plant tissues including
chemotherapy, thermotherapy, in vitro propa
gation, and a combination of some or these
protocols.
Recent advances in molecular tech
niques have provided a new approach for devel
oping vims resistant genotypes.
Genetic engi
neering of virus resistance into plants has been
accomplished using several strategies including
satellite-RNA-mediated resistance, antisense
RNA-mediated resistance, and coat proteinmediated
resistance, among others.
Current ad
vances in using coat protein-mediated resistance
have proven promising in protecting several
agronomic crops against virus infection.
More
recently, a number of fruit crop species have
been transformed with coat protein genes of
important plant viruses and promising results
have been obtained.
This is a general review of
cross protection strategies used in combatting
virus diseases and the current advances made in
genetic engineering of virus resistance in fruit
trees.
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