ITS2 data corroborate a monophyletic chlorophycean DO-group (Sphaeropleales)
2008

Study of the Monophyletic DO-group in Green Algae

Sample size: 3 publication Evidence: high

Author Information

Author(s): Keller Alexander, Schleicher Tina, Förster Frank, Ruderisch Benjamin, Dandekar Thomas, Müller Tobias, Wolf Matthias

Primary Institution: Department of Bioinformatics, University of Würzburg

Hypothesis

Is the DO-group monophyletic and is a branched helix I an apomorphic feature of the DO-group?

Conclusion

The DO-group is confirmed to be monophyletic, and a branched helix I is an apomorphic characteristic within this group.

Supporting Evidence

  • The study confirmed the monophyly of the DO-group using newly obtained ITS2 sequences.
  • Phylogenetic analyses showed high support for the relationships within the Sphaeropleaceae.
  • A branched helix I was identified as a characteristic feature of the core Sphaeropleales.

Takeaway

Scientists looked at some green algae to see if they are all related and found out they are, plus they discovered a special feature in their DNA structure.

Methodology

The study analyzed the secondary structure of newly obtained ITS2 sequences and applied various phylogenetic methods.

Limitations

The study did not include ITS2 sequences from chaetopeltidalean and chaetophoralean taxa, which could affect the phylogenetic resolution.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2148-8-218

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