The Phylogeny of Prochloron: Is There Numerical Evidence from SAB Values? A Response to Van Valen

  • Hans-Jürgen Bandelt
  • Arndt von Haeseler
Conference paper
Part of the Lecture Notes in Biomathematics book series (LNBM, volume 84)


Numerical methods for constructing phylogenies are widely used in molecular biology: often similarity coefficients are derived from (partial) sequence data, and standard clustering algorithms are then applied to produce appropriate dendrograms (Fox et al., 1980; Sneath & Sokal, 1973). Alternative dendrograms based on the same data set may be evaluated by means of numerical criteria. Such criteria do not always seem to be on a sound logical basis: an instance is provided by Van Valen’s methodology of evaluating conflicting estimated phylogenies (Van Valen, 1982); the data in question are S AB values for Prochloron some cyanobacteria and chloroplasts, as reported by Seewaldt & Stackebrandt (1982).


Branch Length Tree Topology Numerical Evidence Global Tree Reconstruct Phylogenetic Tree 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Hans-Jürgen Bandelt
    • 1
  • Arndt von Haeseler
    • 2
  1. 1.Fachbereich MathematikCarl-von-Ossietzky-UniversitätOldenburgGermany
  2. 2.Forschungsschwerpunkt MathematisierungUniversität BielefeldBielefeldGermany

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