Evolutionary Analysis of the Plastid-encoded Gene for the Alpha Subunit of the DNA-dependent RNA Polymerase of Pyrenomonas Salina (Cryptophyceae)

Overview

Journal Curr Genet

Specialty Genetics

Date 1992 Dec 1

PMID 1473179

Citations 1

Authors

M Maerz

S Rensing

G L Igloi

U G Maier

Affiliations

Soon will be listed here.

Abstract

The nucleotide sequence of the gene coding for the plastid-encoded alpha subunit of DNA-dependent RNA polymerase from the cryptomonad alga Pyrenomonas salina was determined. The deduced amino-acid sequence, corresponding to a 35.2 kDa polypeptide, was compared to homologues from other organisms. Evolutionary relationships were analyzed in detail by the parsimony method together with bootstrap analysis. The deduced phylogenetic tree shows that the cryptomonad gene is the most ancient type of known plastid-encoded RNA polymerase.

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PMID: 7545947 DOI: 10.1007/BF00178252.

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