Search Results - "Hohn, Michael J."
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Rewiring Translation for Elongation Factor Tu-Dependent Selenocysteine Incorporation
Published in Angewandte Chemie International Edition (28-01-2013)“…Enjoying UTu in concert: A synthetic tRNA (tRNAUTu) was used as a substrate for three E. coli proteins: seryl‐tRNA synthetase (SerRS) forming Ser‐tRNAUTu,…”
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RNA-Dependent Conversion of Phosphoserine forms Selenocysteine in Eukaryotes and Archaea
Published in Proceedings of the National Academy of Sciences - PNAS (12-12-2006)“…The trace element selenium is found in proteins as selenocysteine (Sec), the 21st amino acid to participate in ribosome-mediated translation. The substrate for…”
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A new phylum of Archaea represented by a nanosized hyperthermophilic symbiont
Published in Nature (London) (02-05-2002)“…According to small subunit ribosomal RNA (ss rRNA) sequence comparisons all known Archaea belong to the phyla Crenarchaeota, Euryarchaeota, and-indicated only…”
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Selenomodification of tRNA in archaea requires a bipartite rhodanese enzyme
Published in FEBS letters (23-03-2012)“…► A bipartite archaeal tRNA 2-selenouridine synthase (SelU) was identified in silico. ► Both proteins are required to catalyze tRNA selenation in vivo and in…”
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The Genome of Nanoarchaeum equitans: Insights into Early Archaeal Evolution and Derived Parasitism
Published in Proceedings of the National Academy of Sciences - PNAS (28-10-2003)“…The hyperthermophile Nanoarchaeum equitans is an obligate symbiont growing in coculture with the crenarchaeon Ignicoccus. Ribosomal protein and rRNA-based…”
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Ancient translation factor is essential for tRNA-dependent cysteine biosynthesis in methanogenic archaea
Published in Proceedings of the National Academy of Sciences - PNAS (22-07-2014)“…Methanogenic archaea lack cysteinyl-tRNA synthetase; they synthesize Cys-tRNA and cysteine in a tRNA-dependent manner. Two enzymes are required:…”
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Genetic analysis of selenocysteine biosynthesis in the archaeon Methanococcus maripaludis
Published in Molecular microbiology (01-07-2011)“…Summary In Archaea selenocysteine (Sec) is synthesized in three steps. First seryl‐tRNA synthetase acylates tRNASec with serine to generate Ser‐tRNASec. Then…”
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Ignicoccus hospitalis sp. nov., the host of 'Nanoarchaeum equitans'
Published in International journal of systematic and evolutionary microbiology (01-04-2007)“…Lehrstuhl für Mikrobiologie und Archaeenzentrum, Universität Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany Correspondence Harald Huber…”
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Emergence of the Universal Genetic Code Imprinted in an RNA Record
Published in Proceedings of the National Academy of Sciences - PNAS (28-11-2006)“…The molecular basis of the genetic code manifests itself in the interaction of the aminoacyl-tRNA synthetases and their cognate tRNAs. The fundamental…”
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Expanding the Genetic Code of Escherichia coli with Phosphoserine
Published in Science (American Association for the Advancement of Science) (26-08-2011)“…O-Phosphoserine (Sep), the most abundant phosphoamino acid in the eukaryotic phosphoproteome, is not encoded in the genetic code, but synthesized…”
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Inhibition of Myc transcriptional activity by a mini‐protein based upon Mxd1
Published in FEBS letters (01-05-2020)“…Myc, a transcription factor with oncogenic activity, is upregulated by amplification, translocation, and mutation of the cellular pathways that regulate its…”
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The phylum Nanoarchaeota: Present knowledge and future perspectives of a unique form of life
Published in Research in Microbiology (01-04-2003)“…The “Nanoarchaeota” are a novel archaeal phylum, forming a unique, deep branch in the 16S rRNA based phylogenetic tree of life. “ Nanoarchaeum equitans”, the…”
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Detection of 16S rDNA Sequences Representing the Novel Phylum “Nanoarchaeota”: Indication for a Wide Distribution in High Temperature Biotopes
Published in Systematic and applied microbiology (01-12-2002)“…We screened samples from high temperature biotopes for 16S rRNA genes of the novel archaeal phylum “Nanoarchaeota”. Positive PCR amplifications were obtained…”
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Discovery of Insulin Receptor Partial Agonists MK-5160 and MK-1092 as Novel Basal Insulins with Potential to Improve Therapeutic Index
Published in Journal of medicinal chemistry (14-04-2022)“…We have identified a series of novel insulin receptor partial agonists (IRPAs) with a potential to mitigate the risk of hypoglycemia associated with the use of…”
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Rapid antibody conformational screening by matrix‐assisted laser desorption/ionization hydrogen‐deuterium exchange mass spectrometry
Published in Journal of separation science (01-06-2022)“…Recent advances in the field of cancer biology have accelerated the discovery and development of novel biopharmaceuticals. At the forefront of these drug…”
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From one amino acid to another: tRNA-dependent amino acid biosynthesis
Published in Nucleic acids research (01-04-2008)“…Aminoacyl-tRNAs (aa-tRNAs) are the essential substrates for translation. Most aa-tRNAs are formed by direct aminoacylation of tRNA catalyzed by aminoacyl-tRNA…”
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Toward understanding phosphoseryl-tRNACys formation: The crystal structure of Methanococcus maripaludis phosphoseryl-tRNA synthetase
Published in Proceedings of the National Academy of Sciences - PNAS (20-02-2007)“…A number of archaeal organisms generate Cys-tRNACys in a two-step pathway, first charging phosphoserine (Sep) onto tRNACys and subsequently converting it to…”
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Nanoarchaeum equitans creates functional tRNAs from separate genes for their 5′- and 3′-halves
Published in Nature (03-02-2005)“…Analysis of the genome sequence of the small hyperthermophilic archaeal parasite Nanoarchaeum equitans has not revealed genes encoding the glutamate,…”
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A tRNA-dependent cysteine biosynthesis enzyme recognizes the selenocysteine-specific tRNA in Escherichia coli
Published in FEBS letters (02-07-2010)“…The essential methanogen enzyme Sep-tRNA:Cys-tRNA synthase (SepCysS) converts O-phosphoseryl-tRNACys (Sep-tRNACys) into Cys-tRNACys in the presence of a sulfur…”
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