Evidence map›Paper›PMID 24143126›Full record

ArticleCurrent organic chemistry2013

Atmospheric Prebiotic Chemistry and Organic Hazes.

Melissa G Trainer

Abstract read
In one paragraph

Article in Current organic chemistry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
  4. Gases define redox signalling: NO, HNature metabolism · 2025
    Article
  5. Volatile Organic Compound Metabolism on Early Earth.Journal of molecular evolution · 2024
    Article
  6. Article
  7. Article
  8. Review
  9. Prebiotic Nucleoside Synthesis: The Selectivity of Simplicity.Chemistry (Weinheim an der Bergstrasse, Germany) · 2020
    Review
  10. Article
  11. Review
  12. Review
  13. Molecular Evolution in a Peptide-Vesicle System.Life (Basel, Switzerland) · 2018
    Article
  14. Article
  15. Article
  16. Article
  17. The Astrobiology Primer v2.0.Astrobiology · 2016
    Review
  18. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

1 author.

Melissa G TrainerPlanetary Environments Laboratory, NASA Goddard Space Flight Center, Code 699, Greenbelt, MD 20771, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Earth's atmospheric composition at the time of the origin of life is not known, but it has often been suggested that chemical transformation of reactive species in the atmosphere was a significant source of prebiotic organic molecules. Experimental and theoretical studies over the past half century have shown that atmospheric synthesis can yield molecules such as amino acids and nucleobases, but these processes are very sensitive to gas composition and energy source. Abiotic synthesis of organic molecules is more productive in reduced atmospheres, yet the primitive Earth may not have been as reducing as earlier workers assumed, and recent research has reflected this shift in thinking. This work provides a survey of the range of chemical products that can be produced given a set of atmospheric conditions, with a particular focus on recent reports. Intertwined with the discussion of atmospheric synthesis is the consideration of an organic haze layer, which has been suggested as a possible ultraviolet shield on the anoxic early Earth. Since such a haze layer - if formed - would serve as a reservoir for organic molecules, the chemical composition of the aerosol should be closely examined. The results highlighted here show that a variety of products can be formed in mildly reducing or even neutral atmospheres, demonstrating that contributions of atmospheric synthesis to the organic inventory on early Earth should not be discounted. This review intends to bridge current knowledge of the range of possible atmospheric conditions in the prebiotic environment and pathways for synthesis under such conditions by examining the possible products of organic chemistry in the early atmosphere.

Indexed as

Abiotic synthesisAmino acid formationChemical evolutionEarly earth atmosphereOrganic hazePrebiotic chemistryPrimitive earth.

Identifiers

PMID24143126
PMCPMC3796891

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.