Results 21 to 30 of about 544,552 (149)

Optimal Maturation of the SIV-Specific CD8+ T Cell Response after Primary Infection Is Associated with Natural Control of SIV: ANRS SIC Study

open access: yesCell Reports, 2020
Summary: Highly efficient CD8+ T cells are associated with natural HIV control, but it has remained unclear how these cells are generated and maintained.
Caroline Passaes   +21 more
doaj   +1 more source

Interred mechanisms of resistance and host immune evasion revealed through network-connectivity analysis of M. tuberculosis complex graph pangenome

open access: yesmSystems
Mycobacterium tuberculosis complex successfully adapts to environmental pressures through mechanisms of rapid adaptation which remain poorly understood despite knowledge gained through decades of research.
Monica E. Espinoza   +4 more
doaj   +1 more source

Highly Effective Detection of 4-Nitrophenol by Tremella-like Indium Silver Sulfide Modified GCE

open access: yesInternational Journal of Electrochemical Science, 2018
A highly sensitive electrochemical sensor for 4-nitrophenol was established based on a tremella-like indium silver sulfide modified glassy carbon electrode (TLISS/GCE). Indium silver sulfide was facilely synthesized by co-precipitation.
Pinghua Chen   +8 more
doaj   +1 more source

What they see, what they say: The everyday reality of being a migrant ‘Other’

open access: yesSocial Sciences and Humanities Open
This study investigates Othering among Iraqi Kurdish migrants in the UK, emphasising its emotional, spatial, linguistic, and embodied dimensions. Through qualitative interviews, it reveals how exclusion is not only experienced externally but also ...
Chra Rasheed Mahmud
doaj   +1 more source

Using of Tenebrio molitor larvae to study the toxicity of heavy metals [PDF]

open access: yesBIO Web of Conferences
Studies of environmental pollution by heavy metals associated with the outpouring of mine waters onto the soil surface and the flushing of heavy metal solutions into reservoirs from the dumps of copper ores are relevant for the mining regions of the ...
Zhurlov Oleg
doaj   +1 more source

Persister Awakening [PDF]

open access: yesMolecular Cell, 2016
In this issue of Molecular Cell, Cheverton et al. (2016) report that Samonella toxin TacT contributes to persister formation by acetylating tRNA, a novel mechanism of toxin action. Hydrolyzing corrupted tRNA resuscitates persisters.
Kim, Lewis, Yue, Shan
openaire   +2 more sources

Novel and reported compensatory mutations in rpoABC genes found in drug resistant tuberculosis outbreaks

open access: yesFrontiers in Microbiology
BackgroundRifampicin (RIF) is a key first-line drug used to treat tuberculosis, a primarily pulmonary disease caused by Mycobacterium tuberculosis. RIF resistance is caused by mutations in rpoB, at the cost of slower growth and reduced transcription ...
Derek Conkle-Gutierrez   +7 more
doaj   +1 more source

Intramolecular Interactions Dominate the Autoregulation of Escherichia coli Stringent Factor RelA

open access: yesFrontiers in Microbiology, 2019
Amino acid starvation in Escherichia coli activates the enzymatic activity of the stringent factor RelA, leading to accumulation of the alarmone nucleotide (p)ppGpp.
Kathryn Jane Turnbull   +11 more
doaj   +1 more source

Influence of topsoil manure mix on affects germination in Pea and Onion seeds [PDF]

open access: yesBIO Web of Conferences
Nutrient-rich southern chernozems have lost a significant part of their fertility during their exploitation in agrocenoses. The decrease in the fertility of the surface layer of soils in the steppe landscapes of the Orenburg Cis-Urals contributed to a ...
Zhurlov Oleg, Zhurlova Maria
doaj   +1 more source

The effectiveness of bacterial contamination of beetles during their transfer to wheat bran [PDF]

open access: yesBIO Web of Conferences
The study of the mechanisms of transfer of bacteria during contamination of insect surfaces during food invasion is of current interest. Additionally, the increasing antibiotic resistance of clinical bacterial strains over the past decade has highlighted
Zhurlov Oleg, Zhurlova Maria
doaj   +1 more source

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