DNA and the origins of life in micaceous clay

Article Biology

Potassium at the Origins of Life: Did Biology Emerge from Biotite in Micaceous Clay?

Helen Greenwood Hansma

Summary: This paper presents a scenario for the origin of life, suggesting that life may have emerged in the spaces between mica sheets. The characteristics of mica and its potassium content make it a favorable substrate for life's origins.

LIFE-BASEL (2022)

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Article Biology

Clays and the Origin of Life: The Experiments

Jacob Teunis (Theo) Kloprogge et al.

Summary: This article discusses the possible role of clay in the origin of life. Data from Mars and carbonaceous chondrites suggest that clay may have played an important role in the origin of life on both Mars and Earth. Research has found that the surface of clay minerals can facilitate the formation of amino acids, and that clay itself can be formed through the catalytic role of organic molecules in carbonaceous chondrites. Clay and other related observations need to be experimentally verified.

LIFE-BASEL (2022)

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Article Chemistry, Physical

Possible widespread occurrence of vermiculite on Mars

Javier Cuadros et al.

Summary: There are differences in the formation conditions and distribution of vermiculite on Earth and Mars, and vermiculite may be more common and have higher iron content on Mars.

APPLIED CLAY SCIENCE (2022)

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Article Biochemistry & Molecular Biology

How potassium came to be the dominant biological cation: of metabolism, chemiosmosis, and cation selectivity since the beginnings of life

Nikolay Korolev

Summary: Potassium is the major cation in the cytoplasm of almost all living cells, while sodium dominates in the extracellular fluids. Both prokaryotes and eukaryotes require elaborate mechanisms and significant energy to maintain the asymmetric distribution of K+ and Na+. This essay presents original evidence explaining how bacteria chose potassium at the beginning of evolution and why it remains essential for eukaryotes.

BIOESSAYS (2021)

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Biographical-Item Multidisciplinary Sciences

Ned Seeman (1945-2021) Obituary

Philip Ball

NATURE (2021)

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Article Multidisciplinary Sciences

Mutations in artificial self-replicating tiles: A step toward Darwinian evolution

Feng Zhou et al.

Summary: Artificial self-replication and exponential growth have the potential to aid in better understanding fundamental processes in nature and developing new materials and devices. By introducing mutation and growth advantages in a system of DNA origami dimers, researchers have demonstrated a Darwinian-like evolution. Through controlled mutation rates and growth advantages, a new species can take over the system in a relatively short amount of time.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2021)

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Article Chemistry, Physical

Binding of Dipeptides to Fatty Acid Membranes Explains Their Colocalization in Protocells but Does Not Select for Them Relative to Unjoined Amino Acids

Mengjun Xue et al.

Summary: The study explores the catalytic functions of dipeptides, raising questions about their co-localization with protocells, structural features affecting their association with membranes, and the role of this association in driving molecular evolution. Results show that prebiotic amino acids and dipeptides can bind to prebiotic membranes, with dipeptides exhibiting lower binding extent compared to amino acids.

JOURNAL OF PHYSICAL CHEMISTRY B (2021)

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Article Biochemistry & Molecular Biology

Protocells

Yei-Chen Lai et al.

CURRENT BIOLOGY (2020)

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Article Chemistry, Physical

On the why's and how's of clay minerals' importance in life's emergence

Simon Duval et al.

APPLIED CLAY SCIENCE (2020)

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Article Biology

AFM Images of Viroid-Sized Rings That Self-Assemble from Mononucleotides through Wet-Dry Cycling: Implications for the Origin of Life

Tue Hassenkam et al.

LIFE-BASEL (2020)

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Article Astronomy & Astrophysics

Prebiotic Oligomer Assembly: What Was the Energy Source?

David Ross et al.

ASTROBIOLOGY (2019)

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Article Biophysics

Book of Abstracts. Albany 2019: The 20th Conversation

Ramaswamy H Sarma

JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS (2019)

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Article Chemistry, Multidisciplinary

Transition Metals Enhance the Adsorption of Nucleotides onto Clays: Implications for the Origin of Life

Jihua Hao et al.

ACS EARTH AND SPACE CHEMISTRY (2019)

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Review Genetics & Heredity

The last universal common ancestor between ancient Earth chemistry and the onset of genetics

Madeline C. Weiss et al.

PLOS GENETICS (2018)

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Article Chemistry, Physical

Exponential growth and selection in self-replicating materials from DNA origami rafts

Xiaojin He et al.

NATURE MATERIALS (2017)

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Article Multidisciplinary Sciences

Combining Catalytic Microparticles with Droplets Formed by Phase Coexistence: Adsorption and Activity of Natural Clays at the Aqueous/Aqueous Interface

Fatma Pir Cakmak et al.

SCIENTIFIC REPORTS (2017)

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Article Biology

Better than Membranes at the Origin of Life?

Helen Greenwood Hansma

LIFE-BASEL (2017)

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Article Biology

Prebiotic Vesicle Formation and the Necessity of Salts

Sarah E. Maurer et al.

ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES (2016)

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Article Chemistry, Multidisciplinary

More Than Just A Smiley Face

CHEMICAL & ENGINEERING NEWS (2016)

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Article Multidisciplinary Sciences

Determining hydrodynamic forces in bursting bubbles using DNA nanotube mechanics

Rizal F. Hariadi et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2015)

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Article Art

Art as a Stimulus for Structural DNA Nanotechnology

Nadrian C. Seeman

LEONARDO (2014)

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Article Biochemistry & Molecular Biology

Possible origin of life between mica sheets: does life imitate mica?

Helen Greenwood Hansma

JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS (2013)

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Article Multidisciplinary Sciences

Enhanced transcription and translation in clay hydrogel and implications for early life evolution

Dayong Yang et al.

SCIENTIFIC REPORTS (2013)

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Article Chemistry, Physical

Mechanical properties of freely suspended atomically thin dielectric layers of mica

Andres Castellanos-Gomez et al.

NANO RESEARCH (2012)

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Article Multidisciplinary Sciences

Robust self-replication of combinatorial information via crystal growth and scission

Rebecca Schulman et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2012)

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Article Multidisciplinary Sciences

Self-replication of information-bearing nanoscale patterns

Tong Wang et al.

NATURE (2011)

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Article Biology

Possible origin of life between mica sheets

Helen Greenwood Hansma

JOURNAL OF THEORETICAL BIOLOGY (2010)

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Article Chemistry, Physical

Towards self-replicating materials of DNA-functionalized colloids

Mirjam E. Leunissen et al.

SOFT MATTER (2009)

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Review Geochemistry & Geophysics

Mineral evolution

Robert M. Hazen et al.

AMERICAN MINERALOGIST (2008)

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Article Multidisciplinary Sciences

Folding DNA to create nanoscale shapes and patterns

PWK Rothemund

NATURE (2006)

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Article Multidisciplinary Sciences

Building programmable jigsaw puzzles with RNA

A Chworos et al.

SCIENCE (2004)

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Article Multidisciplinary Sciences

Nanotechnology and the Double Helix

NC Seeman

SCIENTIFIC AMERICAN (2004)

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Review Biology

The lipid world

D Segré et al.

ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE (2001)

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Article Multidisciplinary Sciences

A low temperature transfer of ALH84001 from Mars to Earth

BP Weiss et al.

SCIENCE (2000)

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Article Biochemistry & Molecular Biology

Recent highlights from atomic force microscopy of DNA

HG Hansma et al.

JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS (2000)

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Article Biochemistry & Molecular Biology

Two dimensions and two states in DNA nanotechnology

NC Seeman et al.

JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS (2000)

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DNA and the origins of life in micaceous clay

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