Genetic improvement of red clover for virus resistance through biotechnology

Authors

  • Fernando Adami Tcacenco EPAGRI/Estação Experimental de Itajaí - aposentado

Keywords:

genetic transformation, transgenic

Abstract

The protocols adopted for tissue culture of both plant species, tobacco and clover, proved to be efficient, as a large number of plantlets originating in vitro were recovered. The PCR and DNA hybridization results according to the Southern technique showed that the gene in question had indeed been integrated into the plant genome. Interesting results were also obtained with the ELISA experiments. Figure 4 shows some representative results, indicating that several tobacco and red clover plants showed positive reactions to the capsular protein antibodies, meaning that this protein was being produced at high levels in these transgenic plants.

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Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - Epagri

Author Biography

Fernando Adami Tcacenco, EPAGRI/Estação Experimental de Itajaí - aposentado

eng. agr., Ph.D., Cart. Prof. no 25.131-D, CREA-RS, EPAGRI/Estação Experimental de Itajaí

References

DE BLOCK, M.I.; HERRERA-ESTRELLA, M.; VAN MONTAGU, M.; SCHELL, J.; ZAMBRYNSKY, P. Expression of foreign genes in regenerated plants and their progeny. EMBO Journal, Oxford, v.3, p.1681-1689, 1984.

HORSCH, R.B.; FRALEY, T.T.; ROGERS, S.G.; SANDERS, P.R.; LLOYD, A.; HOFFMANN, N. Inheritance of functional foreign genes in plants. Science, Washington, v.158, p.745-756, 1984.

JAENISH, R.; MINTZ, B. Simian vírus 40 DNA sequences in DNA of healthy adult mice derived from preimplantation blastocytes injected with viral DNA. Proceedings of the National Academy of Science - USA, Washington, v.71, p.1250-1254, 1974.

KLEIN, T.M.; WOLF, E.D.; WU, R.; SANFORD, J.C. High-velocity microprojectiles for delivering nucleic acids into living cells. Nature, London, v. 327, p.70-73, 1987.

OARD, J.H.; PAIGE, D.F.; SIMMONDS, J.A.; GRADZIEL, T.M. Transient gene expression in maize, rice and wheat cells using an airgun apparatus. Plant Physiology, Bethesda, v.92, p.334-339, 1990.

Published

1996-12-01

How to Cite

Tcacenco, F. A. (1996). Genetic improvement of red clover for virus resistance through biotechnology. Agropecuária Catarinense Journal, 9(4), 11–15. Retrieved from https://publicacoes.epagri.sc.gov.br/rac/article/view/2102

Issue

Section

Scientific article

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