Virus resistant plants

Details Virus resistant plants Virus resistant plants

1995-11-16

1999-11-16

McElwain, Elizabeth F.

Multicellular living organisms and unmodified parts thereof and

Plant, seedling, plant seed, or plant part, per se

Higher plant, seedling, plant seed, or plant part

800280, 435418, 435419, 536 2372, A01H 500, C12N 1582, C12N 1533

Patent

active

059861754

ABSTRACT:
An isolated DNA sequence which codes for a potyvirus replicase gene is disclosed herein. A method for providing resistance to infection by a virus by expressing a replicase gene in plants is also disclosed. Transgenic potato plants and tubers containing the replicase gene are also disclosed.

REFERENCES:
patent: 5580716 (1996-12-01), Johnston et al.
patent: 5596132 (1997-01-01), Zaitlin et al.
patent: 5633449 (1997-05-01), Zaitlin et al.
Audy et al., (1992) "Transformation of Potato and Tobacco with Modified Replicase Genes of Potato Viruses Y and Leafroll," Canadian Journal of Plant Pathology, 14 240-249 (meeting abstract).
Audy et al. (1994) Mol. Plant-Microbe Int. 7(1): 15-21.
Kaniewski et al., (1990) Bio Technology 8: 750-753.
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Sanger et al., (1990) Plant Mol. Biol. 14: 433-443.
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Hanley-Bowdoin et al., (1990) Proc. Natl. Acad. Sci. 87: 1446-1450.
Carr et al. (1992) Molecular Plant Microbe Interactions 5(5);397-404. Resistance to tobacco mosaic virus induced by the 54-kDa gene sequence requires expression of the 54-kDa protein.
Donson et al. (1993) Molecular Plant Microbe Interactions 6(5):635-642. Broad resistance to tobamoviruses is mediated by a modified tobacco mosaic virus replicase transgene.
McFarlane and Davies (1992) Proc. Natl. Acad. Sci. USA 89:5829-5833. Plants transformed with a region of the 201-kilodalton replicase gene from pea early browning virus RNA1 are resistant to virus infection.
Taschner et al. (1991) Virology 181:445-450. Replication of an incomplete alfalfa mosaic virus genome in plants transformed with viral replicase genes.
Longstaff et al. (1993) EMBO J. 12(2):379-386. Extreme resistance to potato virus X infection in plants expressing a modified component of the putative viral replicase.
Anderson et al. (1992) Proc. Natl. Acad. Sci. USA 89:8759-8763. A defective replicase gene induces resistance to cucumber mosaic virus in transgenic tobacco plants.
Day et al. (1991) Proc. Natl. Acad. Sci. USA 88: 6721-6725. Expression of an antisense viral gene in transgenic tobacco confers resistance to the DNA virus tomato golden mosaic virus.
Braun and Hemenway (1992) The Plant Cell 4:735-744. Expression of amino-terminal portions or full-length viral replicase genes in transgenic plants confers resistance to potato virus X infection.
Audy et al (1994) Molec. Plant-Microbe Intractions 7 (1): 15-22.

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