small overview on Archaea

Structure of Archaea What makes them so unique compared to bacteria and eukaryotes? C.M. van Gorkum; Microbiology of Man, Animals, Food and Environment

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Introduction ,[object Object],[object Object],[object Object],Woese, 1994 Bacteria Eukaryotes - small size - histones - structural simplicity - translation system - no nucleus - sequence 5S RNA - no organelles - seq ribosomal proteins - low DNA content

Archaeal membranes (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Albers et al., 2000 Structure of cell membranes

Archaeal membranes (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],Albers et al., 2000 Organization of membrane lipids

Archaeal membranes (3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Archaeal membrane rigidity Kandler & König, 1998

Evolutionary consideration (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],Wächtershäuser’s hypothesis Koga & Morii, 2007

Evolutionary consideration (2) Tree of Life ,[object Object],[object Object],murein cell wall cell envelop polymers glycocalyx

Flagella and membrane proteins (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Features in common with bacteria Bardy et al., 2003

Flagella and membrane proteins (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Features in common with bacteria Albers et al., 2000

Cytoskeleton ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Feature in common with eukaryotes Hara et al., 2007

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Unique compared to bacteria and eukaryotes?

Literature ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Literature ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

small overview on Archaea

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small overview on Archaea