In silico Evaluation of Molecular Probes for Detection and Identification of Ralstonia solanacearum and Clavibacter michiganensis subsp. sepedonicus

Ralstonia solanacerum and Clavibacter michiganensis subsp. sepedonicus are the two most relevant bacterial pathogens of potato for which a large number of molecular diagnostic methods using specific DNA sequences have been developed. About one hundred oligonucleotides have been described and thoroug...

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Veröffentlicht in:Systematic and applied microbiology 2004-09, Vol.27 (5), p.581-591
Hauptverfasser: Arahal, David R., Llop, Pablo, Alonso, Manuel Pérez, López, María M.
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container_issue 5
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container_title Systematic and applied microbiology
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creator Arahal, David R.
Llop, Pablo
Alonso, Manuel Pérez
López, María M.
description Ralstonia solanacerum and Clavibacter michiganensis subsp. sepedonicus are the two most relevant bacterial pathogens of potato for which a large number of molecular diagnostic methods using specific DNA sequences have been developed. About one hundred oligonucleotides have been described and thoroughly tested experimentally. After having compiled and evaluated all these primers and probes insilico to check their specificity, many discrepancies were found. A detailed analysis permitted the recognition of different possible reasons for such discrepancies: sequencing errors in public sequences, wrong supposed specificity (sometimes due to more recent sequences than the oligonucleotides being evaluated) or even typing errors in the oligonucleotides. Although this study is an exercise about insilico evaluation using two potato bacterial pathogens as a model, the conclusions reflect not only information useful for phytopathologists but, in a broader scope, draw the main situations that can be found during an evaluation of probes, which can be surely found in other scenarios.
doi_str_mv 10.1078/0723202041748208
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Actinomycetales - classification
Actinomycetales - genetics
Bacteriology
Base Sequence
Biological and medical sciences
Clavibacter michiganensis
DNA Primers
Fundamental and applied biological sciences. Psychology
Microbiology
Miscellaneous
molecular diagnostic
oligonucleotide design
Oligonucleotide Probes
primer
Ralstonia solanacearum
Ralstonia solanacearum - classification
Ralstonia solanacearum - genetics
Sensitivity and Specificity
Solanum tuberosum
Solanum tuberosum - microbiology
specificity
title In silico Evaluation of Molecular Probes for Detection and Identification of Ralstonia solanacearum and Clavibacter michiganensis subsp. sepedonicus
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