Origin of Life

~ In the Beginning was Abiogenesis ~ What Is Life? ~ Origin of Life and Early Life on Earth~ Before the Beginning ~ The RNA world on ice: a new scenario for the emergence of RNA information.~ Ligation activity of fragmented ribozymes in frozen solution: implications for the RNA world -- Vlassov et al. 32 (9): 2966 -- Nucleic Acids Research~ Primordial Atmosphere.~ Efficient near ultraviolet light induced formation of hydrogen by ferrous hydroxide.~ Early Earth Atmosphere Hydrogen-rich, Favorable To Life~ The sugar model: catalysis by amines and amino acid products.~ Chemical constraints governing the origin of metabolism: the thermodynamic landscape of carbon group transformations under mild aqueous conditions.~ On the emergence of biological complexity: life as a kinetic state of matter.~ Kinetics of organic transformations under mild aqueous conditions: implications for the origin of life and its metabolism.~ Primordial carbonylated iron-sulfur compounds and the synthesis of pyruvate.~ Entropy and charge in molecular evolution--the case of phosphate.~ Activated acetic acid by carbon fixation on (Fe,Ni)S under primordial conditions.~ Ammonia formation by the reduction of nitrite/nitrate by fes: ammonia formation under acidic conditions.~ What Is Life and How Do We Search for It in Other Worlds?~ Top Down & Bottom Up ~ Primordial Soup : Theories~ The Miller-Urey experiments and beyond ~ RNA world hypothesis~ Concentration of simple aldehydes by sulfite-containing double-layer hydroxide minerals: implications for biopoesis.~ Primordial Peptides and Proteins ~ Hydrothermal vents~ Sulphate metabolism among thermophiles and hyperthermophiles in natural aquatic systems.~ The emergence of life from iron monosulphide bubbles at a submarine hydrothermal redox and pH front.~ On the origin of genomes and cells within inorganic compartments.~ Thermal force approach to molecular evolution.~ Astrobiology ~ The universe: a cryogenic habitat for microbial life.~ Possible steps to the emergence of life: the [GADV]-protein world hypothesis.~ Metabolic Life Theory ~ Minimal Genome ~ Cairns-Smith model~ Intercalation of amino acids and peptides into Mg-Al layered double hydroxide by reconstruction method.~ In Search of the Simplest Cell ~ Cyanophyta ~ Cyanobacteria abstracts~ Modern stromatolites -- living fossils ~ Structure of stromatolites ~ Fossilized stromatolites~ Stromatolite fossils~ Three subsets of sequence complexity and their relevance to biopolymeric information.~ Photosynthesis and the origin of life. ~ Chance and necessity do not explain the origin of life.~ Of Ice and Then~ Acetogenic bacteria: what are the in situ consequences of their diverse metabolic versatilities?~ Liquid Water At Earth's Surface 4.3 Billion Years Ago, Scientists Discover~ Early Earth Likely Had Continents, Was Habitable, According To New Study~ A new pathway of autotrophic growth utilizing carbon monoxide or carbon dioxide and hydrogen.~ Identifying Noncoding RNAs in Genome Sequences~ Clays May Have Aided Formation of Primordial Cells~ Some consequences of the RNA world hypothesis.~ Obcells as Proto-Organisms: Membrane Heredity, Lithophosphorylation, and the Origins of the Genetic Code, the First Cells, and Photosynthesis~ The habitat and nature of early life : Nature~ Self-organizing biochemical cycles -- Orgel 97 (23): 12503 -- Proceedings of the National Academy of Sciences~ High solubility of random-sequence proteins consisting of five kinds of primitive amino acids.~ Catalytic effects of glycine on prebiotic divaline and diproline formation.~ How was membrane permeability produced in an RNA world?~ The two ages of the RNA world, and the transition to the DNA world: a story of viruses and cells.~ Gas hydrates and bacteria ~ Debate over origins of modern central Europeans~ Expression of acetylcholine (ACh) and ACh-synthesizing activity in Archaea.~ Darwinism and the origin of life: the role of H.C. Bastian in the British spontaneous generation debates, 1868-1873.