(1988) Nucleic acid hybridization in plant virus diagnosis and characterization. (1988) The avidin-biotin complex in bioanalytical applications. (1987) Non-radioactive probes for specific DNA sequences. (1993) Nucleic acid hybridization procedures, in Diagnosis of Plant Virus Diseases (Matthews, R. (1993) Serological procedures, in Diagnosis of Plant Virus Diseases (Matthews, R. This process is experimental and the keywords may be updated as the learning algorithm improves.Ĭlark, M. These keywords were added by machine and not by the authors. Until very recently, these probes usually consisted of nucleic acids labeled with radioactive precursors, but, because of the risks and safety precautions required, the use of radioactively labeled probes has been restricted to specialized laboratories. The most common method for molecular hybridization is the dot-blot hybridization technique, which involves the direct application of a nucleic acid solution to a solid support, such as nitrocellulose or nylon membranes, and detection with appropriate probes. Nucleic acid hybridization has proved to be a very reliable and sensitive technique in plant virus diagnosis (for a review, see refs. The application of recombinant DNA technology to plant virology has permitted the use of diagnostic methods based on the genomic component of viruses.

Until now, methods based on the protein component of the viral particle have been mainly used in plant virus detection ( 1, 2). The early detection of plant viruses constitutes, therefore, one of the main ways of controlling these diseases, and so sensitive detection systems are essential. Unlike for fungal and bacterial diseases, no direct method for the control of viral diseases is yet available.

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