piatra . institutepathwaysFinding the next step…
Compare energetic, genetic and compartment-first accounts without treating any one as settled.
Basic cell structure, chemical bonds and energy gradients help. Use the Biology 2e background sections first if these are unfamiliar.
A comparison of three origin scenarios with a testable prediction for each.
Mary Ann Clark, Matthew Douglas · Jung Choi · reference
Chemical bonds, macromolecules and energy
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Open the readingMary Ann Clark, Matthew Douglas · Jung Choi · reference
Chemical bonds, macromolecules and energy
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Open the readingBiology 2e: chemistry of life. Review bonds, chemical reactions and the role of energy before reading the origin scenarios.
Biology 2e: biological macromolecules. Identify what proteins, nucleic acids and lipids contribute to the proposed first system.
William Martin et al. · paper · 2008
Proposed environments, compartments and copying processes
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Open the readingGerald F. Joyce · Jack W. Szostak · paper · 2018
Proposed environments, compartments and copying processes
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Open the readingHydrothermal Vents and the Origin of Life. Trace the proposed environmental energy source and the transitions the scenario needs to explain.
Protocells and RNA Self-Replication. Identify how copying and compartments are connected, and which experimental conditions are supplied.
Nick Lane · William Martin · paper · 2012
Membrane gradients and energetic coupling
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Open the readingThe Origin of Membrane Bioenergetics. Follow the proposed coupling between a gradient, a membrane and chemical energy use.
Bhavesh H. Patel et al. · paper · 2015
Experimental conditions, demonstrated products and remaining gaps
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Open the readingJack W. Szostak · paper · 2012
Experimental conditions, demonstrated products and remaining gaps
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Open the readingCommon Origins of RNA, Protein and Lipid Precursors in a Cyanosulfidic Protometabolism. List demonstrated products, reaction conditions and the remaining integration problem.
The Eightfold Path to Non-Enzymatic RNA Replication. Track the obstacles to copying and distinguish experimental progress from a complete replication cycle.
Editorial perspectives based on selected works, rather than author-endorsed reading lists.
An editorial comparison of the route’s selected accounts and evidence.
A curated synthesis cannot be neutral or exhaustive. Follow the primary sources when an interpretation matters.
An editorial reconstruction using the selected work of Nick Lane.
This is not an author-endorsed syllabus. The reconstruction highlights selected works and may omit other commitments.
An editorial reconstruction using the selected work of Jack Szostak.
This is not an author-endorsed syllabus. The reconstruction highlights selected works and may omit other commitments.
An editorial reconstruction using the selected work of John Sutherland.
This is not an author-endorsed syllabus. The reconstruction highlights selected works and may omit other commitments.
Background, different viewpoints, and further reading.
Read the discussion of order and heredity; separate its historical framing from current origin-of-life evidence.
Selected chapters and argument
Trace the proposed evolutionary transitions; ask what must already exist for each transition.
Selected chapters and argument
Draw the mineral-compartment mechanism and identify the source of free energy.
Full paper; methods and limitations
Trace the proposed environmental energy source and the transitions the scenario needs to explain.
Proposed environments, compartments and copying processes
Follow the proposed coupling between a gradient, a membrane and chemical energy use.
Membrane gradients and energetic coupling
Ask what comparative reconstruction can establish about LUCA, rather than the first living system.
LUCA reconstruction and open prebiotic chemistry questions
Identify what the experiment demonstrates about a model protocell and what it does not.
Full paper; methods and limitations
Identify how copying and compartments are connected, and which experimental conditions are supplied.
Proposed environments, compartments and copying processes
Track the obstacles to copying and distinguish experimental progress from a complete replication cycle.
Experimental conditions, demonstrated products and remaining gaps
List demonstrated products, reaction conditions and the remaining integration problem.
Experimental conditions, demonstrated products and remaining gaps
Identify the chemical pathways proposed and the conditions needed to connect them.
LUCA reconstruction and open prebiotic chemistry questions
Compare wet–dry cycles with continuous vent gradients.
Selected chapters and argument
Reconstruct Lane’s energetic argument and test its dependence on membrane properties.
Selected chapters and argument
Review bonds, chemical reactions and the role of energy before reading the origin scenarios.
Chemical bonds, macromolecules and energy
Identify what proteins, nucleic acids and lipids contribute to the proposed first system.
Chemical bonds, macromolecules and energy
Build the cell-biological background needed to distinguish mechanism from an origin hypothesis.
Named section and worked examples
Build the cell-biological background needed to distinguish mechanism from an origin hypothesis.
Named section and worked examples
Build the cell-biological background needed to distinguish mechanism from an origin hypothesis.
Named section and worked examples
Build the cell-biological background needed to distinguish mechanism from an origin hypothesis.
Named section and worked examples
Build the cell-biological background needed to distinguish mechanism from an origin hypothesis.
Named section and worked examples
Compare energy, membranes and proposed evolutionary sequences without treating one account as a settled history.
Compare energy-flow explanations with the assumptions used in entropy arguments.