Genome Structure
Three of the Pyrococcus species have been sequenced. P. furiosus is the largest containing 1.9Mb followed by P. abyssi with 1.8Mb and P. horikoshii with 1.7Mb. The genomes encode for many different metabolic enzymes which gives themselves a wider spectrum of living conditions because they can transport and metabolize a wide range of organic substances. Variation was detected between species as well.
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