A Simple method for the extraction, PCR-amplification, cloning, and sequencing of Pasteuria 16S rDNA from small numbers of endospores. (Articolo in rivista)

Type
Label
  • A Simple method for the extraction, PCR-amplification, cloning, and sequencing of Pasteuria 16S rDNA from small numbers of endospores. (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Alternative label
  • Atibalentja N., Noel G., Ciancio A. (2004)
    A Simple method for the extraction, PCR-amplification, cloning, and sequencing of Pasteuria 16S rDNA from small numbers of endospores.
    in Journal of nematology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Atibalentja N., Noel G., Ciancio A. (literal)
Pagina inizio
  • 100 (literal)
Pagina fine
  • 105 (literal)
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  • 36 (literal)
Rivista
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  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • -Atibalentja N., Department of Crop Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801. -Noel G., USDA-ARS, Soybean/Maize Genetics, Germplasm, and Pathology Research Unit, and Department of Crop Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801. -Ciancio A., Istituto per la Protezione delle Piante, CNR, Sez. di Bari, Via G. Amendola 165/A, I-70126 Bari, Italy (literal)
Titolo
  • A Simple method for the extraction, PCR-amplification, cloning, and sequencing of Pasteuria 16S rDNA from small numbers of endospores. (literal)
Abstract
  • For many years the taxonomy of the genus Pasteuria has been marred with confusion because the bacterium could not be cultured in vitro and, therefore, descriptions were based solely on morphological, developmental, and pathological characteristics. The current study sought to devise a simple method for PCR-amplification, cloning, and sequencing of Pasteuria 16S rDNA from small numbers of endospores, with no need for prior DNA purification. Results show that DNA extracts from plain glass bead-beating of crude suspensions containing 10 000 endospores at 0.2×106 endospores ml-1 were sufficient for PCR-amplification of Pasteuria 16S rDNA, when used in conjunction with specific primers. These results imply that for P. penetrans and P. nishizawae only one parasitized female of Meloidogyne spp. and Heterodera glycines, respectively, should be sufficient, and as few as eight cadavers of Belonolaimus longicaudatus with an average number of 1,250 endospores of \"Candidatus Pasteuria usgae\" are needed for PCR-amplification of Pasteuria 16S rDNA. The method described in this paper should facilitate the sequencing of the 16S rDNA of the many Pasteuria isolates that have been reported on nematodes and, consequently, expedite the classification of those isolates through comparative sequence analysis. (literal)
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