Results 51 to 60 of about 8,622 (220)

Nonlinearity in genetic decoding: Homologous DNA replicase genes use alternatives of transcriptional slippage or translational frameshifting [PDF]

open access: yesProceedings of the National Academy of Sciences, 2000
The τ and γ subunits of DNA polymerase III are both encoded by a single gene in Escherichia coli and Thermus thermophilus . γ is two-thirds the size of τ and shares virtually all its amino acid sequence with τ. E. coli and T.
B, Larsen   +4 more
openaire   +2 more sources

Genome-Wide Spectra of Transcription Insertions and Deletions Reveal That Slippage Depends on RNA:DNA Hybrid Complementarity [PDF]

open access: yesmBio, 2017
ABSTRACT Advances in sequencing technologies have enabled direct quantification of genome-wide errors that occur during RNA transcription. These errors occur at rates that are orders of magnitude higher than rates during DNA replication, but due to technical difficulties such measurements have been limited to single-base ...
Charles C. Traverse, Howard Ochman
openaire   +3 more sources

Transcription of satellite DNAs in insects [PDF]

open access: yes, 2011
Chromatin condensation is an important regulatory mechanism of gene silencing as well as gene activation for the hundreds of functional protein genes harbored in heterochromatic regions of different insect species.
D. Ugarkovic   +3 more
core   +1 more source

Analysis of De Novo HOXA 13 Polyalanine Expansions Supports Replication Slippage Without Repair in Their Generation [PDF]

open access: yes, 2013
Polyalanine repeat expansion diseases are hypothesized to result from unequal chromosomal recombination, yet mechanistic studies are lacking. We identified two de novo cases of hand‐foot‐genital syndrome (HFGS) associated with polyalanine expansions in ...
Innis, Jeffrey W.   +8 more
core   +1 more source

Isolation and Characterization of RNA Polymerase rpoB Mutations That Alter Transcription Slippage during Elongation in Escherichia coli [PDF]

open access: yesJournal of Biological Chemistry, 2013
Transcription fidelity is critical for maintaining the accurate flow of genetic information. The study of transcription fidelity has been limited because the intrinsic error rate of transcription is obscured by the higher error rate of translation, making identification of phenotypes associated with transcription infidelity challenging.
Yan Ning, Zhou   +8 more
openaire   +2 more sources

Dissecting the role of low-complexity regions in the evolution of vertebrate proteins

open access: yesBMC Evolutionary Biology, 2012
Background Low-complexity regions (LCRs) in proteins are tracts that are highly enriched in one or a few amino acids. Given their high abundance, and their capacity to expand in relatively short periods of time through replication slippage, they can ...
Radó-Trilla Núria, Albà MMar
doaj   +1 more source

Demonstration of the Presence of the "Deleted" MIR122 Gene in HepG2 Cells [PDF]

open access: yes, 2015
MicroRNA 122 (miR-122) is highly expressed in the liver where it influences diverse biological processes and pathways, including hepatitis C virus replication and metabolism of iron and cholesterol.
Fei, Y   +8 more
core   +1 more source

Transcriptional slippage occurs during elongation at runs of adenine or thymine inEscherichia coli

open access: yesNucleic Acids Research, 1990
A run of 11 adenine or thymine residues at the 5' end of an out-of ...
L A, Wagner   +4 more
openaire   +3 more sources

A New 3D Colon on a Chip to Decipher the Influence of Mechanical Forces on the Physiological Cellular Ecosystem

open access: yesAdvanced Healthcare Materials, EarlyView.
To dissect how mechanical forces influence intestinal physiology, we developed a stretchable 3D colon‐on‐chip that integrates tunable topography, stiffness and peristalsis‐like motion within a physiologically relevant microenvironment. We showed that stretching is a dominant factor governing epithelial behavior, markedly enhancing proliferation and ...
Moencopi Bernheim‐Dennery   +10 more
wiley   +1 more source

Biologically motivated asymmetric exclusion process: Interplay of congestion in RNA polymerase traffic and slippage of nascent transcript [PDF]

open access: yesPhysical Review E, 2019
We develope a theoretical framework, based on exclusion process, that is motivated by a biological phenomenon called transcript slippage (TS). In this model a discrete lattice represents a DNA strand while each of the particles that hop on it unidirectionally, from site to site, represents a RNA polymerase (RNAP).
Ghosh, Soumendu   +5 more
openaire   +3 more sources

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