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Non-radioactive in situ Hybridization Protocol Applicable for Norway Spruce and a Range of Plant Species
Published on: April 17, 2009
Evolution by hybridisation. The influence of reticulate evolution on biosymmetrical patterns and processes in plants
1Institut für Spezielle Botanik, Friedrich-Schiller-Universität Jena, Philosophenweg 16, D-07743, Jena, Germany, volker.wissemann@uni-jena.de.
Theory in Biosciences = Theorie in Den Biowissenschaften
|January 19, 2008
Summary
Plant hybridisation drives evolution by altering symmetry. This study explores spatial and temporal asymmetries arising from plant reticulation, highlighting unique evolutionary pathways compared to animals.
Area of Science:
- Evolutionary Biology
- Plant Sciences
- Genetics
Background:
- Natural hybridisation (reticulation) is a significant evolutionary mechanism in plants.
- Symmetry is a key factor in evolution, and its loss can indicate stress.
- Existing evolutionary discussions often adopt a zoocentric view, neglecting plant-specific processes like polyploidisation.
Purpose of the Study:
- To investigate the role of symmetry in plant evolution.
- To examine spatial asymmetry across multiple levels resulting from plant hybridisation.
- To analyze temporal asymmetry, or altered rhythms, as an effect of plant reticulation.
Main Methods:
- Comparative analysis of plant versus animal hybridisation.
- Focus on reticulation's impact on symmetry in plant systems.
- Examination of spatial and temporal asymmetry phenomena.
Main Results:
- Plant hybridogenic evolution, including polyploidisation, presents distinct evolutionary dynamics compared to animals.
- Hybridisation can induce spatial asymmetries at various biological levels.
- Reticulation events can lead to temporal asymmetries, altering inherent biological rhythms.
Conclusions:
- Symmetry plays a crucial role in plant evolutionary trajectories.
- Plant hybridisation leads to unique spatial and temporal asymmetries, shaping evolutionary history.
- A more organism-specific evolutionary perspective is needed, particularly for plants.
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