Results 81 to 90 of about 25,223,622 (264)

Characterization of a restriction modification system from the commensal Escherichia coli strain A0 34/86 (O83:K24:H31)

BMC Microbiology, 2008
Background Type I restriction-modification (R-M) systems are the most complex restriction enzymes discovered to date. Recent years have witnessed a renaissance of interest in R-M enzymes Type I.
Ryu Junichi, Weiserová Marie
doaj   +1 more source

Restriction modification protein subunits increased at peak infection times.

, 2012
Bars indicate normalized spectral counts averaged between two technical replicates and lines are optical density measurements taken at each time point. Untreated cells MOI = 0, green bars and lines, infected cells at MOI = 0, maroon bars and lines, and ...
Christophe Fremaux (161090), Philippe Horvath (112559), Manesh Shah (117747), Chongle Pan (117744), Robert L. Hettich (117757), Rodolphe Barrangou (134837), Brian D. Dill (161071), Jacque C. Young (161065), Jillian F. Banfield (161078), Nathan C. VerBerkmoes (2118220)   +9 more
core   +1 more source

DNA sequence repeats identify numerous Type I restriction-modification systems that are potential epigenetic regulators controlling phase-variable regulons; phasevarions

, 2020
Over recent years several examples of randomly switching methyltransferases, associated with Type III restriction‐modification (R‐M) systems, have been described in pathogenic bacteria.
Yang, Long, Zhou, Yaoqi, Guo, Chengying, Atack, John M, Jennings, Michael P   +4 more
core   +1 more source

SDM-assist software to design site-directed mutagenesis primers introducing "silent" restriction sites [PDF]

, 2013
BACKGROUND:Over the past decades site-directed mutagenesis (SDM) has become an indispensable tool for biological structure-function studies. In principle, SDM uses modified primer pairs in a PCR reaction to introduce a mutation in a cDNA insert.
Abhijit Karnik, Christopher Grefen, Karnik, Abhijit, Grefen, Christopher, Rucha Karnik, Karnik, Rucha   +5 more
core   +1 more source

Therapeutic Apheresis for Intravenous Methylprednisolone‐Refractory Neuromyelitis Optica Spectrum Disorder: Clinical and Radiological Outcomes in a Single‐Center Case Series

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Neuromyelitis optica spectrum disorder (NMOSD) is a relapsing autoimmune disease of the central nervous system. High‐dose intravenous methylprednisolone (IVMP) is the standard first‐line therapy for acute attacks, although some patients remain refractory.
Wataru Horiguchi, Daisuke Katagiri, Takeyuki Watadani, Shunichi Matsuda, Hiroshi Kaneko, Noritoshi Arai   +5 more
wiley   +1 more source

The DNA Methylome of the Hyperthermoacidophilic Crenarchaeon Sulfolobus acidocaldarius

Frontiers in Microbiology, 2018
DNA methylation is the most common epigenetic modification observed in the genomic DNA (gDNA) of prokaryotes and eukaryotes. Methylated nucleobases, N6-methyl-adenine (m6A), N4-methyl-cytosine (m4C), and 5-methyl-cytosine (m5C), detected on gDNA ...
Mohea Couturier, Ann-Christin Lindås
doaj   +1 more source

MamA essentiality in Mycobacterium smegmatis is explained by the presence of an apparent cognate restriction endonuclease

BMC Research Notes, 2020
Objective Restriction-Modification (R-M) systems are ubiquitous in bacteria and were considered for years as rudimentary immune systems that protect bacterial cells from foreign DNA.
Samantha E. Randall, Maria Carla Martini, Ying Zhou, Samantha R. Joubran, Scarlet S. Shell   +4 more
doaj   +1 more source

Burkholderia pseudomallei sequencing identifies genomic clades with distinct recombination, accessory, and epigenetic profiles.

, 2014
Burkholderia pseudomallei (Bp) is the causative agent of the infectious disease melioidosis. To investigate population diversity, recombination, and horizontal gene transfer in closely related Bp isolates, we performed whole-genome sequencing (WGS) on ...
Studholme, David J., Holden, Mathew TG, Ong, C, Beacham, I, Parkhill, J, Harting, J, Chen, Swaine L., Mehershahi, K, Holden, Matthew T. G., Nandi, T, T.G. Holden, Matthew, Didelot, X, Peak, I, Baybayan, Primo, Peak, Ian, Sim, B, Hoon, CH, Nandi, Tannistha, Boddey, J, Boddey, Justin, Boddey, Justin A., Holden, Matthew, J. Studholme, David, Baybayan, P, Michell, S, Essex-Lopresti, AE, Guo, Yan, Sim, Bernice, Didelot, Xavier, Titball, Richard W., Chen, SL, Smither, Sophie, Smiters, Sophie, Beacham, Ifor, Holden, Matthew TG, Smither, S, How, LC, Nelson, Michelle, Ong, Catherine, Tan, P, Wang, S, Aw, LT, Nelson, M, Mitchell, Stephen, Michell, Stephen, Aw, Lay Tin, E. Essex-Lopresti, Angela, Chen, Swaine, Chen, Swaine L, Titball, Richard, Mehrashahi, Kurosh, Hoon, Chua Hui, Boddey, Justin A, Sarkar-Tyson, M, Parkhill, Julian, Mehershahi, Kurosh, Guo, Y, Tan, Patrick, How, Lee Chee, W. Titball, Richard, Sarkar-Tyson, Mitali, Wang, Susana, Essex-Lopresti, Angela, Studholme, David J, Harting, John   +64 more
core   +1 more source

Effects of the Fluid Replacement Method During Online Hemodiafiltration on the Solute Removal Performance and Biocompatibility Using the Asymmetric Cellulose Triacetate Membrane

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Pre‐dilution online hemodiafiltration (Pre‐HDF) is predominantly used in Japan, whereas post‐dilution online HDF (Post‐HDF) is more common in Europe. An asymmetric cellulose triacetate (ATA) membrane may improve biocompatibility.
Kenji Sakurai, Yoshitaka Kurihara, Fumi Yamauchi, Hiromi Hosoya, Takeshi Saito   +4 more
wiley   +1 more source

The Restriction Activity Investigation of Rv2528c, an Mrr-like Modification-Dependent Restriction Endonuclease from Mycobacterium tuberculosis

Microorganisms
Mycobacterium tuberculosis (Mtb), as a typical intracellular pathogen, possesses several putative restriction–modification (R-M) systems, which restrict exogenous DNA’s entry, such as bacterial phage infection.
Tong Liu, Wei Wei, Mingyan Xu, Qi Ren, Meikun Liu, Xuemei Pan, Fumin Feng, Tiesheng Han, Lixia Gou   +8 more
doaj   +1 more source