Polyamine function in archaea and bacteria

AJ Michael - Journal of Biological Chemistry, 2018 - ASBMB
Most of the phylogenetic diversity of life is found in bacteria and archaea, and is reflected in
the diverse metabolism and functions of bacterial and archaeal polyamines. The polyamine …

Biosynthesis and function of 7-deazaguanine derivatives in bacteria and phages

V de Crécy-Lagard, G Hutinet… - Microbiology and …, 2024 - Am Soc Microbiol
Deazaguanine modifications play multifaceted roles in the molecular biology of DNA and
tRNA, shaping diverse yet essential biological processes, including the nuanced fine-tuning …

Biofilms formed by the archaeon Haloferax volcaniiexhibit cellular differentiation and social motility, and facilitate horizontal gene transfer

S Chimileski, MJ Franklin, RT Papke - BMC biology, 2014 - Springer
Background Archaea share a similar microbial lifestyle with bacteria, and not surprisingly
then, also exist within matrix-enclosed communities known as biofilms. Advances in biofilm …

Diversity of the biosynthesis pathway for threonylcarbamoyladenosine (t6A), a universal modification of tRNA

PC Thiaville, D Iwata-Reuyl, V de Crécy-Lagard - RNA biology, 2014 - Taylor & Francis
The tRNA modification field has a rich literature covering biochemical analysis going back
more than 40 years, but many of the corresponding genes were only identified in the last …

Essentiality of threonylcarbamoyladenosine (t6A), a universal tRNA modification, in bacteria

PC Thiaville, B El Yacoubi, C Köhrer… - Molecular …, 2015 - Wiley Online Library
Threonylcarbamoyladenosine (t6 A) is a modified nucleoside universally conserved in t RNA
s in all three kingdoms of life. The recently discovered genes for t6 A synthesis, including tsa …

tRNA modification profiles and codon-decoding strategies in Methanocaldococcus jannaschii

N Yu, M Jora, B Solivio, P Thakur… - Journal of …, 2019 - Am Soc Microbiol
ABSTRACT tRNAs play a critical role in mRNA decoding, and posttranscriptional
modifications within tRNAs drive decoding efficiency and accuracy. The types and positions …

Complex evolutionary history of translation elongation factor 2 and diphthamide biosynthesis in archaea and parabasalids

AB Narrowe, A Spang, CW Stairs… - Genome biology and …, 2018 - academic.oup.com
Diphthamide is a modified histidine residue which is uniquely present in archaeal and
eukaryotic elongation factor 2 (EF-2), an essential GTPase responsible for catalyzing the …

Deazaguanine derivatives, examples of crosstalk between RNA and DNA modification pathways

G Hutinet, MA Swarjo, V de Crécy-Lagard - RNA biology, 2017 - Taylor & Francis
Seven-deazapurine modifications were thought to be highly specific of tRNAs, but have now
been discovered in DNA of phages and of phylogenetically diverse bacteria, illustrating the …

Cold adaptation of the Antarctic haloarchaea Halohasta litchfieldiae and Halorubrum lacusprofundi

TJ Williams, Y Liao, J Ye, RP Kuchel… - Environmental …, 2017 - Wiley Online Library
Halohasta litchfieldiae represents∼ 44% and Halorubrum lacusprofundi∼ 10% of the
hypersaline, perennially cold (≥− 20° C) Deep Lake community in Antarctica. We used …

The archaeal COG1901/DUF358 SPOUT-methyltransferase members, together with pseudouridine synthase Pus10, catalyze the formation of 1-methylpseudouridine …

K Chatterjee, IK Blaby, PC Thiaville, M Majumder… - Rna, 2012 - rnajournal.cshlp.org
The methylation of pseudouridine (Ψ) at position 54 of tRNA, producing m1Ψ, is a hallmark
of many archaeal species, but the specific methylase involved in the formation of this …