Biosynthetic capacity, metabolic variety and unusual biology in the CPR and DPANN radiations

CJ Castelle, CT Brown, K Anantharaman… - Nature Reviews …, 2018 - nature.com
Candidate phyla radiation (CPR) bacteria and DPANN (an acronym of the names of the first
included phyla) archaea are massive radiations of organisms that are widely distributed …

Engineering tRNAs for the Ribosomal Translation of Non-proteinogenic Monomers

M Sigal, S Matsumoto, A Beattie, T Katoh… - Chemical …, 2024 - ACS Publications
Ribosome-dependent protein biosynthesis is an essential cellular process mediated by
transfer RNAs (tRNAs). Generally, ribosomally synthesized proteins are limited to the 22 …

tRNA shape is an identity element for an archaeal pyrrolysyl-tRNA synthetase from the human gut

N Krahn, J Zhang, SV Melnikov, JM Tharp… - Nucleic Acids …, 2024 - academic.oup.com
Protein translation is orchestrated through tRNA aminoacylation and ribosomal elongation.
Among the highly conserved structure of tRNAs, they have distinguishing features which …

Modern diversification of the amino acid repertoire driven by oxygen

M Granold, P Hajieva, MI Toşa… - Proceedings of the …, 2018 - National Acad Sciences
All extant life employs the same 20 amino acids for protein biosynthesis. Studies on the
number of amino acids necessary to produce a foldable and catalytically active polypeptide …

Evolution of life on earth: tRNA, aminoacyl-tRNA synthetases and the genetic code

L Lei, ZF Burton - Life, 2020 - mdpi.com
Life on Earth and the genetic code evolved around tRNA and the tRNA anticodon. We posit
that the genetic code initially evolved to synthesize polyglycine as a cross-linking agent to …

Research Progress of the Biosynthesis of Natural Bio-Antibacterial Agent Pulcherriminic Acid in Bacillus

S Yuan, X Yong, T Zhao, Y Li, J Liu - Molecules, 2020 - mdpi.com
Pulcherriminic acid is a cyclic dipeptide found mainly in Bacillus and yeast. Due to the ability
of pulcherriminic acid to chelate Fe3+ to produce reddish brown pulcherrimin …

[HTML][HTML] Natural and engineered cyclodipeptides: Biosynthesis, chemical diversity, and engineering strategies for diversification and high-yield bioproduction.

WS Widodo, S Billerbeck - Engineering Microbiology, 2023 - Elsevier
Cyclodipeptides are diverse chemical scaffolds that show a broad range of bioactivities
relevant for medicine, agriculture, chemical catalysis, and material sciences …

Diversification of aminoacyl-tRNA synthetase activities via genomic duplication

N Krahn, D Söll, O Vargas-Rodriguez - Frontiers in Physiology, 2022 - frontiersin.org
Intricate evolutionary events enabled the emergence of the full set of aminoacyl-tRNA
synthetase (aaRS) families that define the genetic code. The diversification of aaRSs has …

The tRNA discriminator base defines the mutual orthogonality of two distinct pyrrolysyl-tRNA synthetase/tRNAPyl pairs in the same organism

H Zhang, X Gong, Q Zhao, T Mukai… - Nucleic Acids …, 2022 - academic.oup.com
Site-specific incorporation of distinct non-canonical amino acids into proteins via genetic
code expansion requires mutually orthogonal aminoacyl-tRNA synthetase/tRNA pairs …

Engineering aminoacyl-tRNA synthetases for use in synthetic biology

N Krahn, JM Tharp, A Crnković, D Söll - The Enzymes, 2020 - Elsevier
Within the broad field of synthetic biology, genetic code expansion (GCE) techniques enable
creation of proteins with an expanded set of amino acids. This may be invaluable for …