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Extraterrestrial Organic Chemistry: From the Interstellar Medium to the Origins of LifeExtraterrestrially delivered organics in the origin of cellular life. Various processes leading to the emergence of cellular life from organics delivered from space to earth or other planetary bodies in the solar system will be reviewed. The focus will be on: (1) self-assembly of amphiphilic material to vesicles and other structures, such as micelles and multilayers, and its role in creating environments suitable for chemical catalysis, (2) a possible role of extraterrestrial delivery of organics in the formation of the simplest bioenergetics (3) mechanisms leading from amino acids or their precursors to simple peptides and, subsequently, to the evolution of metabolism. These issues will be discussed from two opposite points of view: (1) Which molecules could have been particularly useful in the protobiological evolution; this may provide focus for searching for these molecules in interstellar media. (2) Assuming that a considerable part of the inventory of organic matter on the early earth was delivered extraterrestrially, what does relative abundance of different organics in space tell us about the scenario leading to the origin of life.
Document ID
20010084628
Document Type
Conference Paper
Authors
Pohorille, Andrew (NASA Ames Research Center Moffett Field, CA United States)
DeVincenzi, Donald L.
Date Acquired
August 20, 2013
Publication Date
January 6, 2000
Subject Category
Inorganic, Organic and Physical Chemistry
Meeting Information
33rd COSPAR Scientific Assembly(Warsar)
Funding Number(s)
CONTRACT_GRANT: RTOP 344-38-22-06
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.