Results 91 to 100 of about 1,269,047 (286)

The anti‐CRISPR protein AcrIE8.1 inhibits the type I‐E CRISPR‐Cas system by directly binding to the Cascade subunit Cas11

FEBS Letters, EarlyView.
In this study, we present the structure of AcrIE8.1, a previously uncharacterized anti‐CRISPR protein that inhibits the type I‐E CRISPR‐Cas system. Through a combination of structural and biochemical analyses, we demonstrate that AcrIE8.1 directly binds to the Cas11 subunit of the Cascade complex to inhibit the CRISPR‐Cas system.
Young Woo Kang, Hyun Ho Park
wiley   +1 more source

Mutagenic cost of ribonucleotides in bacterial DNA [PDF]

Proceedings of the National Academy of Sciences, 2017
Significance DNA polymerases frequently incorporate ribonucleotides in place of deoxyribonucleotides during genome replication. RNase HII is responsible for initiating the removal of ribonucleotide errors across all three domains of life.
William G. Hirst, Mike O'Donnell, Justin R. Randall, Jeremy W. Schroeder, Lyle A. Simmons   +4 more
openaire   +3 more sources

A Cre‐dependent lentiviral vector for neuron subtype‐specific expression of large proteins

FEBS Letters, EarlyView.
We designed a versatile and modular lentivector comprising a Cre‐dependent switch and self‐cleaving 2A peptide and tested it for co‐expression of GFP and a 2.8 kb gene of interest (GOI) in mouse cortical parvalbumin (PV+) interneurons and midbrain dopamine (TH+) neurons.
Weixuan Xue, Sandrine Picaud, Régine Hepp, Stéphanie Pons, Uwe Maskos, Bertrand Lambolez, Ludovic Tricoire   +6 more
wiley   +1 more source

Long-term persistence of bacterial DNA [PDF]

Current Biology, 2004
The persistence of bacterial DNA over geological timespans remains a contentious issue. In direct contrast to in vitro based predictions, bacterial DNA and even culturable cells have been reported from various ancient specimens many million years (Ma) old [1–8].
Alan Cooper, Carsten Wiuf, Anders J. Hansen, David Gilichinsky, Eske Willerslev, Eske Willerslev, Ian Barnes, Tina B. Brand, David L. Mitchell, Regin Rønn   +9 more
openaire   +4 more sources

DNA origami-enhanced binding of aptamers to Staphylococcus aureus cells

Biosensors and Bioelectronics: X
The combination of DNA origami nanostructures and aptamers provides a powerful technology for diagnostic assays. Here, we functionalized a DNA origami nanostructure with a Protein-A binding aptamer to target Staphylococcus aureus bacterial cells.
Yasaman Ahmadi, Trishant R. Umrekar, Natalie Mutter, Morgan Beeby, Ivan Barišić   +4 more
doaj   +1 more source

Oral bacterial DNA findings in pericardial fluid

Journal of Oral Microbiology, 2014
Background: We recently reported that large amounts of oral bacterial DNA can be found in thrombus aspirates of myocardial infarction patients. Some case reports describe bacterial findings in pericardial fluid, mostly done with conventional culturing ...
Anne-Mari Louhelainen, Joonas Aho, Sari Tuomisto, Janne Aittoniemi, Risto Vuento, Pekka J. Karhunen, Tanja Pessi   +6 more
doaj   +1 more source

16S rRNA gene-based profiling of the human infant gut microbiota is strongly influenced by sample processing and PCR primer choice [PDF]

, 2015
Acknowledgements The authors acknowledge the assistance of Grietje Holtrop (RINH-BioSS) with the statistical analysis of the data and the Wellcome Trust Sanger Institute’s 454 pyrosequencing team for generating 16S rRNA gene data. AWW, PS and JP received
Flint, Harry J., Martin, Jennifer C., Parkhill, Julian, Scott, Karen P., Scott, Paul, Walker, Alan W.   +5 more
core   +2 more sources

A nucleotide‐independent, pan‐RAS‐targeted DARPin elicits anti‐tumor activity in a multimodal manner

Molecular Oncology, EarlyView.
We report a Designed Ankyrin Repeat Protein that binds and inhibits RAS proteins, which serve as central cell signaling hubs and are essential for the progression of many cancers. Its unique feature is that it does not discriminate between different RAS isoforms or mutations and is capable of binding to RAS in both its active (GTP‐bound) and inactive ...
Jonas N. Kapp, Wouter P. R. Verdurmen, Jonas V. Schaefer, Kari Kopra, Gabriela Nagy‐Davidescu, Elodie Richard, Marie‐Julie Nokin, Patrick Ernst, Rastislav Tamaskovic, Martin Schwill, Ralph Degen, Claudia Scholl, David Santamaria, Andreas Plückthun   +13 more
wiley   +1 more source

Translocation of DNA across bacterial membranes [PDF]

Microbiological Reviews, 1994
DNA translocation across bacterial membranes occurs during the biological processes of infection by bacteriophages, conjugative DNA transfer of plasmids, T-DNA transfer, and genetic transformation. The mechanism of DNA translocation in these systems is not fully understood, but during the last few years extensive data about genes and gene products ...
openaire   +4 more sources

Blood Metagenome in Health and Psoriasis

Frontiers in Medicine, 2020
A survey and analytical assessment of the results of fundamental works on studying blood metagenome (set of all non-human DNA) is carried out. All works on determining bacterial DNA concentration in the whole blood of healthy people are reviewed ...
Nikolay Korotky, Mikhail Peslyak, Mikhail Peslyak   +2 more
doaj   +1 more source