Sample tubes of oligonucleotides for DNA research

This image is part of the feature Antisense Dna

Credit: PHILIPPE PLAILLY/SCIENCE PHOTO LIBRARY

Caption: Oligonucleotides. Sample tubes containing oligo- nucleotides used in DNA research. Here, the oligonucleotides are used to create "antisense" molecules. Oligonucleotides are chains of nucleo- tides: purines and pyrimidines, which are the bases which form the genetic code of DNA. Oligo- nucleotides can be used to make "antisense" mole- cules, molecules which are genetically engineered to bind to a gene on the DNA. "Antisense" can be used in gene thereapy to block a gene and prevent it from expressing itself. Oligonucleotides may also be used in PCR (Polymerase Chain Reaction) research to clone fragments of DNA.

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Keywords: antisense, antisense research, biochemistry, biotechnology, dna, dna antisense, dna research, genetic, genetic engineering, genetics, oligonucleotide, oligonucleotide sample, oligonucleotides, pcr, recombinant dna

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