Development of a Brassica seed cDNA microarray

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DOIResolve DOI: http://doi.org/10.1139/g07-115
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TypeArticle
Journal titleGenome
Volume51
Issue3
Pages236242; # of pages: 7
SubjectBiotechnology; Genes; genome; IBS; pha; Quality Control; Rna
AbstractBrassica species represent several important crops including canola (Brassica napus). Understanding of genetic elements that contribute to seed-associated functions will impact future improvements in the canola crop. Brassica species share a very close taxonomic and molecular relationship with Arabidopsis thaliana. However, there are several subtle but distinct seed-associated agronomic characteristics that differ among the oil seed crop species. To address these, we have generated 67 535 ESTs predominately from Brassica seeds, analyzed these sequences, and identified 10 642 unigenes for the preparation of a targeted seed cDNA array. A set of 10 642 PCR primer pairs was designed and corresponding amplicons were produced for spotting, along with relevant controls. Critical quality control tests produced satisfactory results for use of this microarray in biological experiments. The microarray was also tested with specific RNA targets from embryos, germinating seeds, and leaf tissues. The hybridizations, signal intensities, and overall quality of these slides were consistent and reproducible. Additionally, there are 429 ESTs represented on the array that show no homology with any A. thaliana annotated gene or any gene in the Brassica genome databases or other plant databases; however, all of these probes hybridized to B. napus transcripts, indicating that the array also will be useful in defining expression patterns for genes so far unique to Brassica species
Publication date
AffiliationNRC Biotechnology Research Institute; National Research Council Canada; NRC Plant Biotechnology Institute
Peer reviewedNo
NRC number48440
NPARC number3539970
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Record identifier844801db-df6d-434e-955d-81c380131c86
Record created2009-03-01
Record modified2016-05-09
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