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Phylogeny, Classification and Floral Evolution of Water Lilies (Nymphaeaceae; Nymphaeales): A Synthesis of Non-molecular, rbcL, matK, and 18S rDNA Data
TLDR
A well-corroborated phylogeny of water lily genera is presented that is based on agreement between non-molecular data and DNA sequences obtained from both organellar and nuclear genomes and is used to encourage the adoption of an evolutionarily based classifi- cation system for water lilies.
Floral Development in the Nymphaeales1
TLDR
Scanning electron microscope observations on Brasenia, Nuphar, Nymphaea, Ondinea, Victoria, and Euryale are added to the observations of earlier investigations to enhance understanding of early floral evolution and shifts in floral ontogeny and to contribute new data for improved cladistic analyses.
Modifications of alkaline microgel electrophoresis for sensitive detection of DNA damage.
TLDR
The alkaline microgel electrophoresis technique was modified to achieve a substantial increase in sensitivity, allowing the detection of DNA damage in the range of 50 mGy, and this increased sensitivity should extend the utility of this technique.
The relationship between in vitro cellular aging and in vivo human age.
TLDR
Although early and late passage cultures of human diploid cells may provide an important cell system for examining loss of replicative potential, fibroblast cultures derived from old and young human donors may be a more appropriate model system for studying human cellular aging.
Floral Development of Nelumbo nucifera (Nelumbonaceae)
TLDR
Because of its unique floral development and anatomy, Nelumbo appears to be an isolated member of the eudicot clade and indicates phylogenetic affinity between Nelumbonaceae and basal angiosperms.
Tracheary Elements in Ferns: New Techniques, Observations, and Concepts
TLDR
Reports of lateral, multiple, and interrupted perforation plates in ferns are probably the result of loss of pit membranes due to the oxidative action of maceration and should be rejected.
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