Results 81 to 90 of about 40,909 (278)

A plasmid vector for an extreme thermophile,Thermus thermophilus [PDF]

open access: yesFEMS Microbiology Letters, 1990
The host-vector system for an extreme thermophile, Thermus thermophilus HB27, was developed. The host strain has a mutation in tryptophan synthetase gene (trpB), and the mutation was determined to be a missense mutation by DNA sequence analysis. A Thermus-E. coli shuttle vector pYK109 was constructed.
K. Furukawa, Y. Koyama, Y. Arikawa
openaire   +3 more sources

The heterotrimeric Thermus thermophilus Asp-tRNAAsn amidotransferase can also generate Gln-tRNAGln [PDF]

open access: yes, 2000
Thermus thermophilus strain HB8 is known to have a heterodimeric aspartyl-tRNAAsn amidotransferase (Asp-AdT) capable of forming Asn-tRNAAsn [Becker, H.D. and Kern, D. (1998) Proc. Natl. Acad. Sci. USA 95, 12832–12837].
Becker, Hubert D.   +8 more
core   +1 more source

Electrostatic potential as a reactivity scoring function in computer‐assisted enzyme engineering

open access: yesThe FEBS Journal, EarlyView.
We present a computational metric that quantifies the electrostatic complementarity of enzymes to the charge distribution of substrates at the transition state. Implemented in BindScan, this metric accurately predicts functionally relevant mutations in glycoside hydrolases.
Aitor Vega, Antoni Planas, Xevi Biarnés
wiley   +1 more source

Identity elements of Thermus thermophilus tRNAThr [PDF]

open access: yesFEBS Letters, 1996
In this study, we identified nucleotides that specify aminoacylation of tRNAThr by Thermus thermophilus threonyl‐tRNA synthetase (ThrRS) using in vitro transcripts. Mutation studies showed that the first base pair in the acceptor stem as well as the second and third positions of the anticodon are major identity elements of T.
Tsunemi Hasegawa   +2 more
openaire   +3 more sources

Characteristics of DNA polymerase I from an extreme thermophile, Thermus scotoductus strain K1

open access: yesMicrobiologyOpen, 2021
Several native and engineered heat‐stable DNA polymerases from a variety of sources are used as powerful tools in different molecular techniques, including polymerase chain reaction, medical diagnostics, DNA sequencing, biological diversity assessments ...
Ani Saghatelyan   +3 more
doaj   +1 more source

Identification of a VapBC toxin–antitoxin system in a thermophilic bacterium Thermus thermophilus HB27 [PDF]

open access: yes, 2017
There are 12 putative toxin–antitoxin (TA) loci in the Thermus thermophilus HB27 genome, including four VapBC and three HicBA families. Expression of these seven putative toxin genes in Escherichia coli demonstrated that one putative VapC toxin TTC0125 ...
Fan Yuqi   +4 more
core   +2 more sources

Flavodiiron proteins associate pH‐dependently with the thylakoid membrane for ferredoxin‐1‐powered O2 photoreduction

open access: yesNew Phytologist, Volume 246, Issue 5, Page 2084-2101, June 2025.
Summary Flavodiiron proteins (FDPs) catalyse light‐dependent reduction of oxygen to water in photosynthetic organisms, creating an electron sink on the acceptor side of Photosystem I that protects the photosynthetic apparatus. However, ambiguity about the electron donor(s) remains, and the molecular mechanisms regulating FDP activity have remained ...
Lauri Nikkanen   +9 more
wiley   +1 more source

Structure of peptidoglycan from Thermus thermophilus HB8 [PDF]

open access: yesJournal of Bacteriology, 1995
The composition and structure of peptidoglycan (murein) extracted from the extreme thermophilic eubacterium Thermus thermophilus HB8 are presented. The structure of 29 muropeptides, accounting for more than 85% of total murein, is reported. The basic monomeric subunit consists of N-acetylglucosamine-N-acetylmuramic acid-L-Ala-D-Glu-L-Orn-D-Ala-D-Ala ...
José Carlos Quintela   +4 more
openaire   +3 more sources

Simultaneous Use of MutS and RecA for Suppression of Nonspecific Amplification during PCR

open access: yesJournal of Nucleic Acids, 2013
Thermus thermophilus MutS, a thermostable mismatch-recognizing protein, is utilized in PCR to suppress nonspecific amplification by preventing synthesis from mismatched primers. T.
Kenji Fukui, Seiki Kuramitsu
doaj   +1 more source

Contribution of vesicle-protected extracellular DNA to horizontal gene transfer in Thermus spp. [PDF]

open access: yes, 2016
Highly efficient apparatus for natural competence and conjugation have been shown as the major contributors to horizontal gene transfer (HGT) in Thermus thermophilus.
Alba Blesa, José Berenguer
core   +1 more source

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