Prebiotic Pyrite Chemistry Molecular Scaffold & Catalyst 1 21

The Prebiotic Chemistry of Pyrite: Molecular Scaffold & Catalyst ABIOL 570 November 21, 2004

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Phase Separation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://tycho.bgsu.edu/~laird/ast305/class/IVC-5.html

Framboidal Pyrite ,[object Object]

Framboidal Pyrite ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Framboidal Pyrite ,[object Object],[object Object],[object Object]

A porous, catalytic scaffold… ,[object Object],[object Object],[object Object]

The First “Membranes” ,[object Object],[object Object],[object Object],http://www.biologie.uni-hamburg.de/b-online/e41/3.htm

Fatty Acid Vesicles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.bio.davidson.edu/Courses/Molbio/MolStudents/.../Favorite_Molecular_Tool.html

Creation of Protocells ,[object Object],[object Object],[object Object],[object Object],http://www.stc.uniroma2.it/cfmacro/cfmacroindex.htm

Primitive Protocell Metabolism ,[object Object],[object Object],[object Object],[object Object],[object Object],http://www.funhousefilms.com/sciencpg.htm

Origin of Heredity & Metabolism ,[object Object],[object Object],[object Object],http://nai.arc.nasa.gov/news_stories/news_detail.cfm?ID=189

A T NA World? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Chaput, J.C., Ichida, J.K & Szostak, J.W. (2002) DNA Polymerase-Mediated DNA Synthesis on a TNA Template . J. AM. CHEM. SOC. 125, 856-857.

A T NA World? ,[object Object],[object Object],[object Object],[object Object],http://www.scripps.edu/research/sr2001/chm03.html

Mineral Catalysis… remember the framboidal pyrite ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pyrite Catalysis ,[object Object],[object Object],[object Object],[object Object]

Pyrite Catalysis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pyrite Catalysis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A tantalizing possibility! ,[object Object],http://www.bact.wisc.edu/bact330/lecturestaph

Earliest Photosynthesizers ,[object Object],[object Object],[object Object],[object Object],http://bio.winona.msus.edu/bates/Bio241/images/figure-08-12-2.jpg

Prebiotic Pyrite Chemistry Molecular Scaffold & Catalyst 1 21

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Prebiotic Pyrite Chemistry Molecular Scaffold & Catalyst 1 21