The sequence of the largest subunit of RNA polymerase II is a useful marker for inferring seed plant phylogeny.

Abstract

We used RT-PCR to sequence approximately 3 kb of the gene coding for the largest subunit of RNA polymerase II (rpb1) from nine land plants. Our results show that plant rpb1 genes all have a similar GC-content and that their amino acid sequences evolve at a similar rate in most species we examined, except for the Arabidopsis thaliana and rice sequences which… (More)

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