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Molecules, Water, and Radiant Energy: New Clues for the Origin of Life
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Pseudo-Replication of [GADV]-Proteins and Origin of Life

Narasaho College, Rokuyaon-cho 806, Nara, Nara 630-8566, Japan Fellow of the International Institute for Advanced Studies, Japan, and Emeritus Professor, Department of Chemistry, Nara Women’s University, Japan
Int. J. Mol. Sci. 2009, 10(4), 1525-1537; https://doi.org/10.3390/ijms10041525
Received: 16 January 2009 / Revised: 30 March 2009 / Accepted: 1 April 2009 / Published: 2 April 2009
(This article belongs to the Special Issue Origin of Life)
The RNA world hypothesis on the origin of life is generally considered as the key to solve the “chicken and egg dilemma” concerning the evolution of genes and proteins as observed in the modern organisms. This hypothesis, however, contains several serious weak points. We have a counterproposal called [GADV]-protein world hypothesis, abbreviated as GADV hypothesis, in which we have suggested that life originated from a [GADV]-protein world, which comprised proteins composed of four amino acids: Gly [G], Ala [A], Asp [D], and Val [V]. A new concept “pseudo-replication” is crucial for the description of the emergence of life. The new hypothesis not only plausibly explains how life originated from the initial chaotic protein world, but also how genes, genetic code, and proteins co-evolved. View Full-Text
Keywords: GADV hypothesis; pseudo-replication; [GADV]-protein world; origin of life GADV hypothesis; pseudo-replication; [GADV]-protein world; origin of life
MDPI and ACS Style

Ikehara, K. Pseudo-Replication of [GADV]-Proteins and Origin of Life. Int. J. Mol. Sci. 2009, 10, 1525-1537.

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