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 61510
Title Optimization of AFLP fingerprinting of organisms with a large-sized genome: a study on Alstroemeria spp
Author(s) Han, T.H.; Eck, H.J. van; Jeu, M.J. de; Jacobsen, E.
Source Theoretical and Applied Genetics 98 (1999)3. - ISSN 0040-5752 - p. 465 - 471.
Department(s) Laboratory of Plant Breeding
Publication type Refereed Article in a scientific journal
Publication year 1999
Abstract The recently introduced PCR-based DNA fingerprinting technique AFLP (amplified fragment length polymorphism) allows the selective amplification of subsets of genomic restriction fragments. AFLP has been used for multiple purposes such as the construction of linkage maps, marker saturation at specific genomic regions, analysis of genetic diversity and molecular phylogeny and cultivar identification. AFLP can be tailored by varying the number of selective nucleotides added to core primers and can allow accurate amplification, even in complex template mixtures generated from plant species with very large genomes. Ill this study Alstroemeria, a plant species with a very large genome, was tested for adapting the AFLP protocol. The results indicated that the estimated number of amplification products was close to the observed number when eight selective nucleotides were used but that seven selective nucleotides did not increase the number of amplification products fourfold. However, we found reproducibility in both 7 and 8 fingerprints. Various distributions of selective nucleotides over the various rounds of preamplifications were tested. Preamplification with four selective nucleotides followed by final amplification with eight selective nucleotides produced clear and reproducible AFLP patterns. The effects of GC content of primers and multiple preamplification steps were also discussed.
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