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Intron polymorphism pattern in AOX1b of wild St John's wort (Hypericum perforat...
Ferreira, Alexandre Oliveira; Cardoso, Hélia Guerra; Santos Macedo, Elisete; Breviario, Diego; Arnholdt-Schmitt, BirgitThe present paper deals with the analysis of natural polymorphism in a selected alternative oxidase (AOX) gene of the medicinal plant, St John's wort. Four partial AOX gene sequences were isolated from the genomic DNA of a wild plant of Hypericum perforatum L. Three genes belong to the subfamily AOX1 (HpAOX1a, b and c) and one to the subfamily AOX2 (HpAOX2). The partial sequence of HpAOX1b showed polymerase cha...
Physiologic responses and gene diversity indicate olive alternative oxidase as ...
Santos Macedo, Elisete; Cardoso, Hélia G.; Hernández, Alejandro; Peixe, Augusto A.; Polidoros, Alexios; Ferreira, Alexandre; Cordeiro, AntónioOlive (Olea europaea L.) trees are mainly propagated by adventitious rooting of semi-hardwood cuttings.However, efficient commercial propagation of valuable olive tree cultivars or landraces by semi-hardwood cuttings can often be restricted by a low rooting capacity. We hypothesize that root induction is a plant cell reaction linked to oxidative stress and that activity of stress-induced alternative oxidase (AO...
AOX – A potential marker for efficient rooting of olive shoot cuttings.
Arnholdt-Schmitt, Birgit; Santos Macedo, Elisete; Cardoso, Hélia Guerra; Peixe, Augusto; Cordeiro, António M.Alternative oxidase (AOX) is recently suggested to be a potential candidate as functional marker for efficient cell reprogramming under stress (Arnholdt-Schmitt et al., 2006a). The presented work is part of a Marie Curie Chair project, that was established to investigate the potential role of the multigene AOX to assist breeding on efficient rooting of olive shoot cuttings (Arnholdt-Schmitt et al. 2006b). Plant...
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