期刊
BRITISH JOURNAL OF BIOMEDICAL SCIENCE
卷 68, 期 2, 页码 100-108出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09674845.2011.11730334
关键词
Chromosomes; Cytogenetics; Karyotyping; Microarray analysis
The analysis of the human genome has largely been undertaken in a research environment, but recent developments in technology and associated workflow have allowed diagnostic laboratories to interrogate DNA at significantly improved levels of resolution. Principally, whole genome-based analysis of copy number changes using microarrays has led to this method replacing conventional karyotyping as a routine diagnostic workhorse. The resolution offered by microarrays is an improvement of at least an order of magnitude compared to karyotyping, but it comes at a cost in terms of the time spent in data interpretation. Overall, however, the die has been cast and cytogeneticists need to become familiar with the tools use by molecular geneticists and bioinformaticists. The following review provides a brief background to array technology, but uses a series of case studies to illustrate the usefulness and challenges of interpreting array data.
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