❛❛ #adenine #guanine #cytosine #thymine & #uracil … necessary to build #DNA & #RNA … traces of important organic compounds like xanthine, hypoxanthine, & nicotinic acid (#vitamin B3).
In addition to suggesting that life could exist elsewhere in the #universe, the #molecules found on Bennu raise provocative questions about the #origins of #life on #Earth. ❜❜

#Bennu #asteroid was discovered in 1999 & sampled in 2020.

https://www.Salon.com/2025/01/30/building-blocks-of-life-discovered-on-asteroid-bennu/ 2025 Jan 30
https://Wikipedia.org/wiki/101955_Bennu

This remarkable new #RNA-based #adenine and #cytosine base #editing system achieves targeted and efficient A-to-G and C-to-T conversions in lettuce, with potential applications in #crop breeding and #biotechnology.
https://doi.org/10.1111/jipb.13822
@wileyplantsci
#PlantSci #JIPB #CropSci #botany

DNA Base Models

https://personaljournal.ca/paigntonlibrarystemgroup/dna-base-models

With an improved dual #cytosine and #adenine #BaseEditor, Zhang et al. target OsEPSPS for artificial #evolution, generating a novel allele conferring glyphosate tolerance in #rice.
https://doi.org/10.1111/jipb.13543
@wileyplantsci
#JIPB #PlantSci #CropScience #PlantScience