Herein, we report the high-yielding solid-phase synthesis of unmodified and chemically modified trinucleotide triphosphates (dNTPs). These synthetic codons can be used for enzymatic DNA synthesis provided their scaffold is stabilized with phosphorothioate units. Enzymatic synthesis with three rather than one letter nucleotides will be useful to produce xenonucleic acids (XNAs) and for selection of modified functional nucleic acids.
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http://dx.doi.org/10.1039/d3cc04933g | DOI Listing |
Int J Mol Sci
January 2025
Department of Human Genetics, School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA.
A couple presented to the office with an apparently healthy infant for a thorough clinical assessment, as they had previously lost two male children to a neurodegenerative disorder. They also reported the death of a male cousin abroad with a comparable condition. We aimed to evaluate a novel coding pathogenic variant c.
View Article and Find Full Text PDFMolecules
November 2024
Enzyme Science Programme (ESP), Department of Biochemistry, Microbiology and Bioinformatics, Rhodes University, Makhanda 6140, South Africa.
Alginate, a polysaccharide found in brown seaweeds, has regularly gained attention for its potential use as a source of bioactive compounds. However, it is structurally complex with a high molecular weight, limiting its application. Alginate oligosaccharides (AOS) are small, soluble fragments, making them more bioavailable.
View Article and Find Full Text PDFBiosci Biotechnol Biochem
December 2024
Department of Life Science and Biotechnology, Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3-3-35 Yamate-Cho, Suita, Osaka-Fu 564-8680, Japan.
We successfully constructed a heterologous expression system for L-glutamate oxidase from the marine actinomycete Streptomyces lydicamycinicus NBRC 110027 (Sl-LGOX) in Escherichia coli BL21(DE3) as a host. This is the first example of L-glutamate oxidase from a marine microorganism. A chemically synthesized gene optimized for codon usage in E.
View Article and Find Full Text PDFNat Commun
December 2024
Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität München, Feodor-Lynen Straße 25, 81377, Munich, Germany.
Human Schlafen 11 (SLFN11) is sensitizing cells to DNA damaging agents by irreversibly blocking stalled replication forks, making it a potential predictive biomarker in chemotherapy. Furthermore, SLFN11 acts as a pattern recognition receptor for single-stranded DNA (ssDNA) and functions as an antiviral restriction factor, targeting translation in a codon-usage-dependent manner through its endoribonuclease activity. However, the regulation of the various SLFN11 functions and enzymatic activities remains enigmatic.
View Article and Find Full Text PDFBiotechnol Lett
December 2024
Department of Life Sciences, Graduate School of Bioresources, Mie University, 1577 Kurimamachiya, Tsu, Mie, 514-8507, Japan.
The cell walls of red and green algae contain β-1,3-xylan, which is hydrolysed by the endo-type enzyme β-1,3-xylanase. Notably, only marine-bacteria-derived β-1,3-xylanases have been functionally characterised to date. In this study, we characterised the enzymatic properties of a potential β-1,3-xylanase (BcXyn26B) derived from the human gut bacterium, Bacteroides cellulosilyticus WH2.
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