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The modern theory of biological evolution: an expanded synthesis
It is concluded that the basic tenets of the synthetic theory have survived, but in modified form, and require continued elaboration, particularly in light of molecular biology, to answer open-ended questions concerning the mechanisms of evolution in all five kingdoms of life.
Occurrence and phylogenetic significance of cytokinesis-related callose in green algae, bryophytes, ferns and seed plants
The results show that callose is a regular component of developing septae in juvenile cells during cytokinesis in multicellular green algae and embryophytes, and with respect to the evolutionary relationships between extant charophytes and land plants.
Evidence against the acid-growth theory of auxin action
Results are incompatible with the acid-growth theory of auxin action and sucrose and other sugars can quantiatively substritute for IAA in inducing H+ excretion but are likewise ineffective in inducing elongation.
The epidermal-growth-control theory of stem elongation: an old and a new perspective.
The evolution of the land plant life cycle.
It is suggested that the multicellular reproductive structures of extant charophytes and embryophytes are developmentally homologous, and that those of the embryos evolved by virtue of the co-option and re-deployment of ancient algal homeodomain gene networks.
The evolution of parental care in freshwater leeches
It is concluded that the major selective pressure driving the evolution of parental care in leeches may have been predation on eggs and juvenile stages.
Stem Elongation and Cell Wall Proteins in Flowering Plants
- U. Kutschera
- 1 September 2001
It is concluded that the exact biochemical mechanism responsible for the coordinated yielding of the growth-controlling peripheral organ wall(s) have not yet been identified.
Medicinal Leeches: Historical use, Ecology, Genetics and Conservation
It is concluded that the major factor in the decline of medicinal leech populations has been the general loss of wetlands, especially eutrophic ponds and marshes throughout Europe.
Plant-Associated Methylobacteria as Co-Evolved Phytosymbionts
- U. Kutschera
- Environmental SciencePlant signaling & behavior
- 1 March 2007
A model of plant-microbe-interaction (symbiosis) is proposed in which the methanol-consuming bacteria are viewed as co-evolved partners of the gametophyte that determine its growth, survival and reproduction (fitness).
Root phototropism: from dogma to the mechanism of blue light perception
An integrative model of gravi- and blue light perception in the root tip of Arabidopsis seedlings is presented, based on the current view of the starch-statolith-concept and light sensing via the cytoplasmic red/blue light photoreceptor phytochrome A and the plasma membrane-associated blue light receptor phototropin-1.