Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 406928
Title Identification of Meloidogyne incognita, M. javanica and M. arenaria using sequence characterised amplified region (SCAR) based PCR assays
Author(s) Zijlstra, C.; Donkers-Venne, T.H.M.; Fargette, M.
Source Nematology 2 (2000)8. - ISSN 1388-5545 - p. 847 - 853.
Department(s) PRI BIOINT Moleculair Phytopathology
Publication type Refereed Article in a scientific journal
Publication year 2000
Keyword(s) root-knot nematodes - m-chitwoodi - genus meloidogyne - major meloidogyne - mitochondrial-dna - polymorphism - populations - identify - hapla - differentiate
Abstract Three randomly amplified polymorphic DNA (RAPD) markers, OPA-l2420,OPB-061200 and OPA-OI700. species specific to the root-knot nematode species Meloidogyrie arenaria, M. incogriita and M,ja vanica respectively, were identified. After sequencing these RAPD-PCR products, longer primers of 1s to 23 nucleotides were designed to complement the terminal DNA sequences of the DNA fragments. This resulted in three pairs of species specific primers that were used to amplify the sequence characterised amplified regions (SCARS). The developed sets of SCAR primers were successfully used in straightforward, fast and reliable PCR assays to identify M. iiicognita, M. javariicn and M. aretzarin. The length variant SCAR markers can be amplified from DNA from egg masses, second stage juveniles and females. This species identification technique is therefore independent of the nematode's life cycle stage. Moreover the SCAR-PCR assay was successfully applied using DNA extracts from infested plant material. The method has potential to be optimised for routine practical diagnostic tests facilitating the control of these economically important pest organisms
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