Science news articles about 'dna probes'

... have analyzed DNA of hundreds of pathogens and synthesized DNA probes for the specific genetic sequences that set each pathogen apart. So far they can detect as many as ...

... by emasculating flowers of plants and subsequently determining the origin of pollen which had fertilized their seeds with DNA probes. This paternity test allowed scientists to identify which of the ...

... messenger RNA (mRNA) from tumor samples fluorescent labeling and hybridization to an array of DNA probes in the DNA chip. By measuring the mRNA levels from each gene, researchers can determine the ...

... of genetic mutations has revealed four new DNA "hotspots" that affect the risk for psoriasis, a national ... of 1,400 people without the disease had their DNA probed for each of the 438,670 polymorphisms. ...

... 55,000 enhancers, short regions of DNA that act to enhance or boost the expression of genes. ... Ren. By systematically analyzing more than 14 million DNA probes corresponding to the entire human genome ...

... from 313 women with a body mass index between 27 and 32, and bacterial populations were measured by DNA probe analysis. Levels in this group were compared with data from a population of 232 healthy ...