OoL digest — edition 9

In today’s digest, we have astrobiology papers about the formation of amino acids in meteorites and machine learning techniques as a classification tool for the biogenicity of molecular patterns. Moreover, in biochemistry we have a paper discussing HGT and its implications for LUCA, and another one on segregation. Finally, in planetary science we have two papers about planetary formation’s effect on habitability, and another one on Earth’s primitive atmosphere.


Furukawa, Y., Iwasa, Y., Chikaraishi, Y., 2021. Synthesis of 13C-enriched amino acids with 13C-depleted insoluble organic matter in a formose-type reaction in the early solar system. Science Advances 7, eabd3575. https://doi.org/10.1126/sciadv.abd3575 4

Guttenberg, N., Chen, H., Mochizuki, T., Cleaves, H.J., 2021. Classification of the Biogenicity of Complex Organic Mixtures for the Detection of Extraterrestrial Life. Life 11, 234. https://doi.org/10.3390/life11030234 1


Jia, T.Z., Bapat, N.V., Verma, A., Mamajanov, I., Cleaves, H.J., Chandru, K., 2021. Incorporation of Basic α-Hydroxy Acid Residues into Primitive Polyester Microdroplets for RNA Segregation. Biomacromolecules 22, 1484–1493. https://doi.org/10.1021/acs.biomac.0c01697

Coleman, G.A., Davín, A.A., Mahendrarajah, T.A., Szánthó, L.L., Spang, A., Hugenholtz, P., Szöllősi, G.J., Williams, T.A., 2021. A rooted phylogeny resolves early bacterial evolution. Science 372. https://doi.org/10.1126/science.abe0511

Planetary science

Dyck, B., Wade, J., Palin, R., 2021. The effect of core formation on surface composition and planetary habitability. arXiv:2104.10612 [astro-ph]. http://arxiv.org/abs/2104.10612

Grewal, D.S., Dasgupta, R., Hough, T., Farnell, A., 2021. Rates of protoplanetary accretion and differentiation set nitrogen budget of rocky planets. Nature Geoscience 1–8. https://doi.org/10.1038/s41561-021-00733-0

Sossi, P.A., Burnham, A.D., Badro, J., Lanzirotti, A., Newville, M., O’Neill, H.S.C., 2020. Redox state of Earth’s magma ocean and its Venus-like early atmosphere. Science Advances 6, eabd1387. https://doi.org/10.1126/sciadv.abd1387

Happy reading!

Alexandre Champagne‑Ruel
Alexandre Champagne‑Ruel
PhD Candidate - Astrophysics

My research interests include statistical physics, complex systems and major evolutionary transitions.