Mathematisches Seminar

Dr. Giddy Landan (CAU, Institut für Allgemeine Mikrobiologie): "Origins of major archaeal clades correspond to gene acquisitions from bacteria"

04.12.2014 von 10:15 bis 11:45

Otto-Hahn-Platz 4 (OHP4) - Raum 121

Ein Vortrag im Rahmen des Oberseminars Stochastische Prozesse

Einladender: Prof. Dr. Rösler

 

Abstract:

Findings: 

Gene transfers identified at major evolutionary transitions among archaea specifically implicate gene acquisitions for metabolic functions from bacteria as key innovations in the origin of higher archaeal taxa. 

 

New methodology: 

* Comparison of sets of trees without a reference phylogeny. 

* Tree compatibility measures tuned to detect a non-vertical, LGT, signal. 

* Statistics for integration of layered data with small per-layer samples. 

 

Data: 

267,568 protein coding genes of: 134 sequenced archaeal genomes, in the context of their homologs from: 1,847 reference bacterial genomes. 

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