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  1. Article

    Open Access

    Evolution of the C4 phosphoenolpyruvate carboxylase promoter of the C4 species Flaveria trinervia: the role of the proximal promoter region

    The key enzymes of photosynthetic carbon assimilation in C4 plants have evolved independently several times from C3 isoforms that were present in the C3 ancestral species. The C4 isoform of phosphoenolpyruvate ca...

    Sascha Engelmann, Corinna Zogel, Maria Koczor, Ute Schlue in BMC Plant Biology (2008)

  2. No Access

    Article

    The non-photosynthetic phosphoenolpyruvate carboxylases of the C4 dicot Flaveria trinervia – implications for the evolution of C4 photosynthesis

    C4 phosphoenolpyruvate carboxylases (PEPCase; EC 4.1.1.3) have evolved from ancestral non-photosynthetic (C3) isoforms during the evolution of angiosperms and thereby gained distinct kinetic and regulatory prope...

    Oliver E. Bläsing, Karin Ernst, Monika Streubel, Peter Westhoff, Per Svensson in Planta (2002)

  3. No Access

    Article

    The molecular basis of C4 photosynthesis in sorghum: isolation, characterization and RFLP map** of mesophyll- and bundle-sheath-specific cDNAs obtained by differential screening

    C4 photosynthesis depends upon the strict compartmentalization of the CO2-assimilatory enzymes of the C4 and Calvin cycle in two different cell types, mesophyll and bundle-sheath cells. A differential accumulatio...

    Ralf Wyrich, Uta Dressen, Stephan Brockmann, Monika Streubel in Plant Molecular Biology (1998)

  4. No Access

    Article

    Primary structure of the photosynthetic pyruvate orthophosphate dikinase of the C3 plant Flaveria pringlei and expression analysis of pyruvate orthophosphate dikinase sequences in C3, C3–C4 and C4 Flaveria species

    We have isolated full-size cDNA sequences encoding the photosynthetic isoform of pyruvate orthophosphate dikinase (PPDK) of the C3 plant Flaveria pringlei. The encoded protein shares 96% identical amino acid resi...

    Elke Rosche, Monika Streubel, Peter Westhoff in Plant Molecular Biology (1994)

  5. No Access

    Article

    Subunit III (Psa-F) of photosystem I reaction center of the C4 dicotyledon Flaveria trinervia

    An immunological survey of C3, C4 and C3-C4-intermediate Flaveria species showed that subunit III (PsaF) of the photosystem I reaction center (PSI-RC) is present in all these species. This was confirmed by the is...

    Ofra Lotan, Monika Streubel, Peter Westhoff, Rachel Nechushtai in Plant Molecular Biology (1993)

  6. No Access

    Article

    Differential accumulation of plastid transcripts encoding photosystem II components in the mesophyll and bundle-sheath cells of monocotyledonous NADP-malic enzyme-type C4 plants

    As a first step in understanding the differential expression of the plastid-encoded photosystem II (PSII) genes in mesophyll and bundle-sheath cells, we have used RNA blotting techniques to investigate the tra...

    Peter Westhoff, Karin Offermann-Steinhard, Michael Höfer, Kenneth Eskins in Planta (1991)

  7. No Access

    Chapter

    Biogenesis of Photosystem II in C3 and C4 Plants — A Model System to Study Developmentally Regulated and Cell-Specific Expression of Plastid Genes

    Ordered plant development requires the coordinated, yet differential expression of functionally linked genes both in time and space. Differentiation thus is an inherent feature of all developmental processes. ...

    Peter Westhoff, Hans Schrubar, Angela Oswald in Current Research in Photosynthesis (1990)