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 362997
Title The EADGENE Microarray Data Analysis Workshop
Author(s) Koning, D.J. de; Jaffrezic, F.; Lund, M.S.; Watson, M.; Channing, C.; Hulsegge, B.; Pool, M.H.; Buitenhuis, B.; Hedegaard, J.; Hornshoj, H.; Sorensen, P.; Marot, G.; Delmas, C.; Lê Cao, K.A.; San Cristobal, M.; Baron, M.D.; Malinverni, R.; Stella, A.; Brunner, R.M.; Seyfert, H.M.; Jensen, K.; Mouzaki, D.; Waddington, D.; Jiménez-Marín, A.; Perez-Alegre, M.; Perez-Reinado, E.; Closset, R.; Detilleux, J.C.; Dovc, P.; Lavric, M.; Nie, H.; Janss, L.
Source Genetics, Selection, Evolution 39 (2007)6. - ISSN 0999-193X - p. 621 - 631.
Department(s) Wageningen Livestock Research
Animal Breeding and Genomics
Publication type Refereed Article in a scientific journal
Publication year 2007
Keyword(s) gene-expression - muscle-tissue
Abstract Microarray analyses have become an important tool in animal genomics. While their use is becoming widespread, there is still a lot of ongoing research regarding the analysis of microarray data. In the context of a European Network of Excellence, 31 researchers representing 14 research groups from 10 countries performed and discussed the statistical analyses of real and simulated 2-colour microarray data that were distributed among participants. The real data consisted of 48 microarrays from a disease challenge experiment in dairy cattle, while the simulated data consisted of 10 microarrays from a direct comparison of two treatments (dye-balanced). While there was broader agreement with regards to methods of microarray normalisation and significance testing, there were major differences with regards to quality control. The quality control approaches varied from none, through using statistical weights, to omitting a large number of spots or omitting entire slides. Surprisingly, these very different approaches gave quite similar results when applied to the simulated data, although not all participating groups analysed both real and simulated data. The workshop was very successful in facilitating interaction between scientists with a diverse background but a common interest in microarray analyses.
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