Results 101 to 110 of about 5,166 (196)

Rings in the Extreme: PCNA Interactions and Adaptations in the Archaea [PDF]

, 2012
Biochemical and structural analysis of archaeal proteins has enabled us to gain great insight into many eukaryotic processes, simultaneously offering fascinating glimpses into the adaptation and evolution of proteins at the extremes of life. The archaeal
Bunting, KA, Winter, JA
core   +2 more sources

Non‐conserved microRNAs and their roles in plants: the case for legumes

Plant Biology, Volume 27, Issue 4, Page 450-460, June 2025.
Non‐conserved miRNAs are functional and modulate stress and microbial interactions in legumes, hinting at broader roles in plant gene regulation. Abstract Several classes of small RNAs function to regulate stress and development pathways in all kingdoms of life.
Y. Hernández, C. A. Sierra‐Sarabia, C. Díaz‐Camino, J. L. Reyes   +3 more
wiley   +1 more source

Biochemical evidence for an alternate pathway in N-linked glycoprotein biosynthesis [PDF]

, 2012
Asparagine-linked glycosylation is a complex protein modification conserved among all three domains of life. Herein we report the in vitro analysis of N-linked glycosylation from the methanogenic archaeon Methanococcus voltae.
A Herscovics, A Krogh, A Larkin, A Larkin, Angelyn Larkin, B Chaban, B Chaban, B Imperiali, B Imperiali, Barbara Imperiali, C Kuntz, C Lizak, CB Sharma, CL Branch, CM Szymanski, D Calo, DJ VanDyke, E Świeżewska, F Ramirez, G Ferrante, Garrett E Whitworth, H Magidovich, H Nothaft, H Shams-Eldin, J Eichler, J Flint, J Folch, J Kelly, J Lechner, JM Troutman, JS Tkacz, JV O'Connor, KJ Glover, L Kaminski, LL Lairson, M Abu-Qarn, M Igura, MB Jaffee, MB Jones, MD Hartley, MF Mescher, MF Mescher, Michelle M Chang, MM Sim, NH Behrens, P Burda, PM Coutinho, R Wu, S Heesen, S Matsumoto, S Naparstek, S Suzuki, S Voisin, S Yurist-Doutsch, SJ Charnock, VWF Tai, Z Guan, Z Guan   +57 more
core   +1 more source

How Small Proteins Adjust the Metabolism of Cyanobacteria Under Stress

BioEssays, Volume 47, Issue 3, March 2025.
Cyanobacteria are powered by oxygenic photosynthesis located in extensive internal membrane systems, the thylakoids. Using carboxysomes, they assimilate organic from inorganic carbon. The integration of photosynthesis, carbon fixation, assimilation of nitrogen, and other nutrients involves several small proteins.
Alexander Kraus, Wolfgang R. Hess
wiley   +1 more source

DNA replication origins in Haloferax volcanii [PDF]

, 2009
DNA replication is fundamental to the proliferation of life. Sites of DNA replication initiation are called replication origins. Bacteria replicate from a single origin whereas eukaryotes utilise multiple origins for each chromosome. The archaeal domain includes species which replicate using multiple origins of replication in addition to those which ...
openaire   +2 more sources

Overexpression and purification of halophilic proteins inHaloferax volcanii [PDF]

Bioengineered Bugs, 2010
Halophilic enzymes function optimally at high salt concentrations and are active at low water availability. Such conditions are encountered at elevated concentrations of solutes such as salts and sugars, and at high concentrations of organic solvents.
openaire   +2 more sources

tRNA splicing [PDF]

, 1998
Introns interrupt the continuity of many eukaryal genes, and therefore their removal by splicing is a crucial step in gene expression. Interestingly, even within Eukarya there are at least four splicing mechanisms.
Abelson, John, Li, Hong, Trotta, Christopher R.   +2 more
core   +1 more source

Distinct Patterns of Antibiotic Sensitivities in Ammonia‐Oxidising Archaea

Environmental Microbiology, Volume 27, Issue 3, March 2025.
Antibiotic sensitivity varies between different strains of ammonia‐oxidising archaea. The results of this study will be useful for selective enrichment and development of a genetic system for ammonia‐oxidising archaea. ABSTRACT Ammonia‐oxidising archaea (AOA) are important microorganisms contributing towards the nitrogen flux in the environment. Unlike
Timothy Klein, Logan H. Hodgskiss, Max Dreer, J. Colin Murrell, Matthew I. Hutchings, Christa Schleper, Laura E. Lehtovirta‐Morley   +6 more
wiley   +1 more source

Structural features of halophilicity derived from the crystal structure of dihydrofolate reductase from the Dead Sea halophilic archaeon, Haloferax volcanii [PDF]

, 1982
Background: The proteins of halophilic archaea require high salt concentrations both for stability and for activity, whereas they denature at low ionic strength. The structural basis for this phenomenon is not yet well understood.
Pieper, Ursula, Kapadia, Geeta, Mevarech, Moshe, Herzberg, Osnat   +3 more
core   +5 more sources

Chromatin and gene regulation in archaea

Molecular Microbiology, Volume 123, Issue 3, Page 218-231, March 2025.
Recent data from diverse archaea with different repertoires of nucleoid‐associated proteins show a common genome‐wide chromatin organisation where chromatin maintains access to gene promoters independently of transcription activity. Abstract The chromatinisation of DNA by nucleoid‐associated proteins (NAPs) in archaea ‘formats’ the genome structure in ...
Fabian Blombach, Finn Werner
wiley   +1 more source