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Zeitschrift für Naturforschung C

A Journal of Biosciences

Editor-in-Chief: Seibel, Jürgen

Editorial Board: Aigner , Achim / Boland, Wilhelm / Bornscheuer, Uwe / Hoffmann, Klaus

12 Issues per year


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1865-7125
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Volume 47, Issue 5-6

Issues

Ferredoxin-NADP+ Oxidoreductase of C. paradoxa Nucleus Encoded, but CyanobacterialGene Transfer from Symbiont to Host, an Evolutionary Mechanism Originating New Species

H. E. A. Schenk
  • Universität Tübingen, Botanisches Institut, Auf der Morgenstelle 1, D-W -7400 Tübingen, Bundesrepublik Deutschland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ M. G. Bayer
  • Universität Tübingen, Botanisches Institut, Auf der Morgenstelle 1, D-W -7400 Tübingen, Bundesrepublik Deutschland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ T. L. Maier
  • Universität Tübingen, Botanisches Institut, Auf der Morgenstelle 1, D-W -7400 Tübingen, Bundesrepublik Deutschland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ A. Lüttke / U. B. Gebhart
  • Universität Tübingen, Botanisches Institut, Auf der Morgenstelle 1, D-W -7400 Tübingen, Bundesrepublik Deutschland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ S. Stevanovic
  • Universität Tübingen, Institut für Organische Chemie, Auf der Morgenstelle 18, D-W-7400 Tübingen, Bundesrepublik Deutschland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znc-1992-0612

The nucleus encoded cyanoplast (“cyanellar”) ferredoxin-NADP+ -oxidoreductase (FNR ) of Cyanophora paradoxa, characterized by an N-terminal amino acid sequence, is compared with homologous sequences of other photoautotrophic organisms. The high degree of similarity to the cyanobacterial sequences indicates a cyanobacterial origin. This could be a first direct demonstration of an intertaxonic combination: a gene transfer from an original endocytobiont (cyanobacterium) to the nucleus of its host, one of the most important demands of the Endosymbiosis Theory, an evolutionary mechanism leading to the origin of a new species.

Keywords: Cyanophora paradoxa; Glaucocystophyta; Cyanobacteria; Cyanelles; Cyanoplasts

About the article

Received: 1991-12-04

Revised: 1992-02-10

Published Online: 2014-06-02

Published in Print: 1992-06-01


Citation Information: Zeitschrift für Naturforschung C, Volume 47, Issue 5-6, Pages 387–393, ISSN (Online) 1865-7125, ISSN (Print) 0939-5075, DOI: https://doi.org/10.1515/znc-1992-0612.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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