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Primrose identifies potentially useful oligonucleotides for use as phylogenetic probes and PCR primers. 

This is achieved by following a four step process.

  1. Construct Database.  Construct a sequence database from one or more sequence files. 
  2. Specify Target Taxon.  Identify sequences, within the database, that represent the phylogenetic group to be targeted by oligonucleotide.
  3. Find Oligonucleotides.  Find potentially useful oligonucleotides which could describe this target group.
  4. Check Oligonucleotides Against Database.  Screen these oligonucleotides against the sequence database to find which describe the target group best - i.e., which oligonucleotides target the highest number of sequence records within the target group and the least number of records outside the target group.

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