Tryptophan Archives - Astrobiology

Free organic volatiles and IOM thermal degradation products liberated by flash heating to ~610 °C of Bennu samples.

Astrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Comets and Asteroids, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Meteorites & Asteroids, Missions & Hardware, Robotics/Rovers/UAVs, Sample Return, Status Report, Tricorders & Sensors

Prebiotic Organic Compounds In Samples Of Asteroid Bennu Indicate Heterogeneous Aqueous Alteration

by Keith CowingNovember 25, 2025November 25, 2025

NASA’s OSIRIS-REx mission characterized the asteroid Bennu and delivered pristine samples of its regolith to Earth.

The amino acid Tryptophan -- Wikipedia

Astrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Imaging & Spectroscopy, Interstellar, Origin & Evolution of Life, Panspermia, Status Report

On The Origin Of Infrared Bands Attributed To Tryptophan In Spitzer Observations Of IC 348

by Keith CowingMay 28, 2024May 28, 2024

Infrared emission features toward interstellar gas of the IC 348 star cluster in Perseus have been recently proposed to originate from the amino acid tryptophan.

Artistic composition of tryptophan molecules in the star-forming region IC 348 located in the constellation Perseus. CREDIT Gabriel Pérez Díaz (IAC)

Astrochemistry, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Imaging & Spectroscopy, Interstellar, Press Release

Tryptophan, An Amino Acid Essential For Life, Has Been Found In Interstellar Space

by Keith CowingJune 24, 2023

Tryptophan is one of the 20 amino acids considered essential for the formation of proteins, which are key macromolecules for the development of life on Earth. This amino acid has […]

Evidence Of The Amino Acid Tryptophan Found In Space Credit: Jorge Rebolo-Iglesias. Background image: NASA/Spitzer Space Telescope

Astrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Imaging & Spectroscopy, Interstellar, Press Release

Evidence Of The Amino Acid Tryptophan Found In Space

by Keith CowingJune 20, 2023June 20, 2023

Using data from the Spitzer space observatory, Dr Susana Iglesias-Groth, a researcher from The Instituto de Astrofísica de Canarias (IAC), has found evidence for the existence of the amino acid […]

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Astrochemistry, Biochemistry & Organic Chemistry, Genomics, Proteomics, Bioinformatics, Interstellar, Status Report

A Search For Mid-IR Bands Of Amino Acids In The Perseus Molecular Cloud

by Keith CowingJanuary 19, 2023January 19, 2023

Amino acids are building-blocks of proteins, basic constituents of all organisms and essential to life on Earth.