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Unravelling the Photoprotection Properties of Garden Cress Sprout Extract

MoleculesTemitope T Abiola, Nazia Auckloo, Jack M Woolley, Christophe Corre, Stéphane Poigny Vasilios G Stavros

Here, we seek to identify the photoprotective agent in garden cress, which is currently used in the skincare product Detoxophane nc. To achieve this, we explore the photodynamics of both the garden cress sprout extract and Detoxophane nc with femtosecond transient electronic absorption spectroscopy. Our studies reveal that the photoprotection properties of the SM in the garden cress sprout extract present in Detoxophane nc are not compromised by the formulation environment. The result suggests that Detoxophane nc containing the garden cress sprout extract may offer additional photoprotection to the end user in the form of a UV filter booster.

Molecules. December 2021

Fri 21 Jan 2022, 08:48

Precautionary breaks : planned, limited duration circuit breaks to control the prevalence of SARS-CoV2 and the burden of COVID-19 disease

EpidemicsKeeling, Matthew James, Guyver-Fletcher, Glen, Dyson, Louise, Tildesley, Michael J., Hill, Edward M. and Medley, Graham F.

COVID-19 in the UK has been characterised by periods of exponential growth and decline, as different non-pharmaceutical interventions (NPIs) are brought into play. Here, using simple analysis and age-structured models matched to the UK SARS-CoV-2 epidemic, we investigate the action of precautionary breaks. In particular we consider their impact on the prevalence of SARS-CoV-2 infection, as well as the total number of predicted hospitalisations and deaths caused by COVID-19 disease. We find that precautionary breaks provide the biggest gains when the growth rate is low, but offer a much needed brake on increasing infection when the growth rate is higher, potentially allowing other measures to regain control.

Epidemics. December 2021

Wed 19 Jan 2022, 08:32

Positive LGI1 antibodies in CSF and relapse relate to worse outcome in anti-LGI1 encephalitis

Frontiers in ImmunologyCui L.L., Boltze J., Zhang Y

This single-center study was conducted in a cohort of patients with anti-LGI1 encephalitis to investigate the factors related to their functional recovery. We retrospectively collected the clinical information of patients admitted to Xuanwu Hospital from January 2014 until December 2019, and followed up for at least 12 months. Patients with LGI1 antibodies in CSF and those who relapsed were more likely to experience worse outcome. Early recognition of these patients, combined with more aggressive immunotherapy may result in better recovery.

Frontiers in Immunology. December 2021

Mon 17 Jan 2022, 08:01

Quantitative trait locus mapping of resistance to turnip yellows virus in Brassica rapa and Brassica oleracea and introgression of these resistances by resynthesis into allotetraploid plants for deployment in Brassica napus.

Frontiers in Plant ScienceGreer, Shannon F., Hackenberg, Dieter, Gegas, Vasilis, Mitrousia, Georgia, Edwards, David, Batley, Jacqueline, Teakle, Graham R., Barker, Guy C. and Walsh, John A

Turnip yellows virus (TuYV) is aphid-transmitted and causes considerable yield losses in oilseed rape (OSR, Brassica napus, genome: AACC) and vegetable brassicas. We report the identification, characterisation, and mapping of TuYV resistance in the diploid progenitor species of OSR, Brassica rapa (genome: AA), and Brassica oleracea This is the first report of TuYV resistance mapped in the Brassica C genome and of an allotetraploid AACC line possessing dual resistance to TuYV originating from both of its progenitors. The introgression into OSR can now be accelerated, utilising marker-assisted selection, and this may reduce selection pressure for TuYV isolates that are able to overcome existing sources of resistance to TuYV.

Frontiers in Plant Science. December 2021

Fri 14 Jan 2022, 09:24 | Tags: Plant and Crop Science

Potential mosquito vectors for Shuni virus, South Africa, 2014–2018

Emerging Infect Dis dec21Guarido, Milehna Mara, Motlou, Thopisang, Riddin, Megan A., MacIntyre, Caitlin, Manyana, Sontaga Cris, Johnson, Todd, Schrama, Maarten, Gorsich, Erin E., Brooke, Basil D., Almeida, A. Paulo G. and Venter, Marietjie

Shuni virus is associated with neurologic and febrile illness in animals and humans. To determine potential vectors, we collected mosquitoes in South Africa and detected the virus in species of the genera Mansonia, Culex, Aedes, and Anopheles. These mosquitoes may be associated with Shuni virus outbreaks in Africa and emergence in other regions.

Emerging Infectious Diseases. December 2021

Wed 12 Jan 2022, 09:14

Transcriptome analysis of Pseudomonas aeruginosa biofilm 2 infection in an ex vivo pig model of the cystic fibrosis lung

App.Env.Microbiol Niamh E. Harrington, Jenny L. Littler, Freya Harrison

Pseudomonas aeruginosa is the predominant cause of chronic biofilm infections that form in the lungs of people with cystic fibrosis (CF). One of the main research challenges is that current laboratory models do not accurately replicate key aspects of a P. aeruginosa biofilm infection, highlighted by previous RNA-sequencing studies. We compared the P. aeruginosa PA14 transcriptome in an ex vivo pig lung (EVPL) model of CF and a well-studied synthetic cystic fibrosis sputum medium (SCFM). Our findings demonstrate that expression of antimicrobial resistance genes was cued by growth in the EVPL model, highlighting the importance of growth environment in determining accurate resistance profiles. The EVPL model can replicate key aspects of in vivo biofilm infection that are missing from other current models. It provides a more accurate P. aeruginosa growth environment for determining antimicrobial resistance that quickly drives P. aeruginosa into a chronic-like infection phenotype.

Applied and Environmental Biology. December 2021

Mon 10 Jan 2022, 08:29

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