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https://www.readbyqxmd.com/read/29334689/-stick-with-your-own-kind-or-hang-with-the-locals-implications-of-shoaling-strategy-for-tropical-reef-fish-on-a-range-expansion-frontline
#1
Shannen M Smith, Rebecca J Fox, David J Booth, Jennifer M Donelson
Range shifts of tropical marine species to temperate latitudes are predicted to increase as a consequence of climate change. To date, the research focus on climate-mediated range shifts has been predominately dealt with the physiological capacity of tropical species to cope with the thermal challenges imposed by temperate latitudes. Behavioural traits of individuals in the novel temperate environment have not previously been investigated, however, they are also likely to play a key role in determining the establishment success of individual species at the range-expansion forefront...
January 15, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29334620/evaluation-of-abundance-of-artificial-radionuclides-in-food-products-in-south-korea-and-sources
#2
S H Lee, J S Oh, K B Lee, J M Lee, S H Hwang, M K Lee, E H Kwon, C S Kim, I H Choi, I Y Yeo, J Y Yoon, J M Im
Food samples are collected nationwide from January 2016 to February 2017 and their contents of artificial radionuclides are measured to address the growing concerns regarding the radioactive contamination of food products in Korea. Specifically, 900 food samples are collected for this study and their contents of representative artificial radionuclides 134Cs, 137Cs, 239,240Pu, and 90Sr are analyzed. The analysis shows that the activity concentrations of 137Cs in fish range from minimum detectable activity (MDA) to 340 mBq/kg of fresh weight...
January 12, 2018: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/29334590/highly-dispersible-and-bioavailable-curcumin-but-not-native-curcumin-induces-brown-like-adipocyte-formation-in-mice
#3
Sho Nishikawa, Misa Kamiya, Hiroki Aoyama, Mami Nomura, Takuma Hyodo, Aoi Ozeki, Hyunjin Lee, Tsukasa Takahashi, Atsushi Imaizumi, Takanori Tsuda
SCOPE: The induction of brown-like adipocytes in white adipose tissue (WAT) is a potential therapeutic target for the treatment of obesity and metabolic disorders via the ability of these cells to release excess energy as heat in association with uncoupling protein 1. Some experimental trials suggest that curcumin (a yellow pigment from turmeric) has a suppressive effect on the accumulation of body fat. However, there is little evidence to show that curcumin induces the formation of brown-like adipocytes and the molecular mechanisms involved remain elusive...
January 15, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29334476/biological-control-of-botrytis-cinerea-interactions-with-native-vineyard-yeasts-from-washington-state
#4
Xuefei Wang, Dean A Glawe, Elizabeth K Kramer, David M Weller, Patricia Ann Okubara
Native yeasts are of increasing interest to researchers, grape growers, and vintners because of their potential for biocontrol activity, and their contributions to the aroma, flavor and mouthfeel qualities of wines. To assess biocontrol activity, we tested 11 yeasts from Washington vineyards, representing isolates of Candida saitoana, Curvibasidium pallidicorallinum, Metschnikowia chrysoperlae, Metschnikowia pulcherrima, Meyerozyma guilliermondii, Saccharomyces cerevisiae and Wickerhamomyces anomalus, for ability to colonize 'Thompson Seedless' grape berries, inhibit the growth of Botrytis cinerea in vitro, and suppress disease symptoms on isolated berries...
January 15, 2018: Phytopathology
https://www.readbyqxmd.com/read/29334413/features-of-auxiliaries-that-enable-native-chemical-ligation-beyond-glycine-and-cleavage-via-radical-fragmentation
#5
Simon Ferdinand Loibl, Andre Dallmann, Kathleen Hennig, Carmen Juds, Oliver Seitz
The native chemical ligation (NCL) is an invaluable tool in the total chemical synthesis of proteins. Ligation auxiliaries overcome the requirement for cysteine. However, the reported auxiliaries remained limited to glycine-containing ligation sites and the acidic conditions applied for cleavage of the typically applied N-benzyl-type linkages promote side reactions. With the aim to improve upon both ligation and cleavage, we systematically investigated alternative ligation scaffolds that challenge the N-benzyl dogma...
January 15, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29334226/ethnic-youth-and-sexual-identity-the-role-of-clinical-and-social-support-for-double-minorities
#6
Nicole Wong, David B Menkes
OBJECTIVES: Sexual-minority youth exhibit increased rates of psychiatric morbidity, subject to various social factors. We examine the impact of ethnicity and culture on these phenomena, with particular reference to Asian youth living in Western societies. CONCLUSIONS: Youth from minority ethnic groups who do not identify with their native gender and/or who are not exclusively heterosexual are known as 'double minorities'. Available evidence suggests that such individuals are at particularly increased risk of depression and suicide, but that this may be mitigated by social support...
January 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29334217/characterization-of-an-hsp90-independent-interaction-between-the-co-chaperone-p23-and-the-transcription-factor-p53
#7
Huiwen Wu, Jashil Hyun, Maria A Martinez-Yamout, Sung Jean Park, Jane Dyson
The cancer-suppressing transcription factor p53 is regulated by a wide variety of cellular factors, including many chaperones. The DNA-binding domain (DBD) of p53 is known to interact with the chaperone Hsp90, but the role of other members of the chaperone network, including co-chaperones such as p23 is unknown. Using a combination of NMR titration, isothermal titration calorimetry, fluorescence anisotropy and native agarose gel electrophoresis, we have identified a direct interaction between the p53 DBD and the Hsp90 co-chaperone p23 that occurs in the absence of Hsp90...
January 15, 2018: Biochemistry
https://www.readbyqxmd.com/read/29334167/cross-linking-mass-spectrometry-for-studying-protein-structures-and-protein-protein-interactions-where-are-we-now-and-where-should-we-go-from-here
#8
Andrea Sinz
Structural mass spectrometry (MS) is gaining increasing importance in deriving valuable three-dimensional structural information on proteins and protein complexes and complements existing techniques, such as NMR spectroscopy and X-ray crystallography. Structural MS unites different MS-based techniques, i.e, hydrogen-deuterium exchange, native MS, ion-mobility MS, protein footprinting, and chemical cross-linking/MS, and allows fundamental questions in structural biology to be addressed. In this article, I will focus on the cross-linking/MS strategy...
January 15, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29334126/methylated-pacs-are-more-potent-than-their-parent-compounds-a-study-on-ahr-mediated-activity-degradability-and-mixture-interactions-in-the-h4iie-luc-assay
#9
Monika M Lam, Rebecca Bülow, Magnus Engwall, John P Giesy, Maria Larsson
In this study, 26 polycyclic aromatic compounds (PACs) including native polycyclic aromatic hydrocarbons (PAHs), hydroxylated PAHs, alkylated and oxygenated PAHs and (alkylated) heterocyclic compounds were investigated for their aryl hydrocarbon receptor (AhR)-mediated potencies in the H4IIE-luc bioassay. Potential degradabilities of PACs were investigated by use of various durations of exposure (24, 48 or 72 h). Furthermore, various mixtures of PACs including PAHs, alkylated and oxygenated PAHs and heterocyclic compounds were tested for their joint AhR-mediated potency...
January 15, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29333601/risk-factors-for-stress-urinary-incontinence-after-native-tissue-vaginal-repair-of-pelvic-organ-prolapse
#10
Matteo Frigerio, Stefano Manodoro, Stefania Palmieri, Federico Spelzini, Rodolfo Milani
OBJECTIVE: To identify risk factors for postoperative stress urinary incontinence (POSUI) after native-tissue prolapse repair without a concomitant anti-incontinence procedure. METHODS: The present single-center retrospective study included women with genital prolapse who underwent high uterosacral ligament suspension without a concomitant anti-incontinence procedure during 2008-2013. Univariate and multivariate analyses were performed to identify risk factors for POSUI (identified through clinical interview and International Consultation on Incontinence Modular Questionnaire-Short Form [ICIQ-SF] self-administration) at 6 months...
January 14, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29333491/multifunctional-bioreactor-system-for-human-intestine-tissues
#11
Wenda Zhou, Ying Chen, Terrence Roh, Yinan Lin, Shengjie Ling, Siwei Zhao, James D Lin, Noor Khalil, Dana M Cairns, Eleana Manousiouthakis, Megan Tse, David L Kaplan
The three-dimensional (3D) cultivation of intestinal cells and tissues in dynamic bioreactor systems to represent in vivo intestinal microenvironments is essential for developing regenerative medicine treatments for intestinal diseases. We have previously developed in vitro human intestinal tissue systems using a 3D porous silk scaffold system with intestinal architectures and topographical features for the adhesion, growth, and differentiation of intestinal cells under static culture conditions. In this study, we designed and fabricated a multifunctional bioreactor system that incorporates pre-epithelialized 3D silk scaffolds in a dynamic culture environment for in vitro engineering of human intestine tissues...
January 8, 2018: ACS Biomaterials Science & Engineering
https://www.readbyqxmd.com/read/29333341/preventive-effects-of-salvia-officinalis-leaf-extract-on-insulin-resistance-and-inflammation-in-a-model-of-high-fat-diet-induced-obesity-in-mice-that-responds-to-rosiglitazone
#12
Mohamed R Ben Khedher, Mohamed Hammami, Jonathan R S Arch, David C Hislop, Dominic Eze, Edward T Wargent, Małgorzata A Kępczyńska, Mohamed S Zaibi
Background: Salvia officinalis (sage) is a native plant to the Mediterranean region and has been used for a long time in traditional medicine for various diseases. We investigated possible anti-diabetic, anti-inflammatory and anti-obesity effects of sage methanol (MetOH) extract in a nutritional mouse model of obesity, inflammation and insulin resistance, as well as its effects on lipolysis and lipogenesis in 3T3-L1 cells. Methods: Diet-induced obese (DIO) mice were treated for five weeks with sage methanol extract (100 and 400 mg kg-1/day bid), or rosiglitazone (3 mg kg-1/day bid), as a positive control...
2018: PeerJ
https://www.readbyqxmd.com/read/29333335/recommendations-for-contraception-examining-the-role-of-patients-age-and-race
#13
Amanda Williams, Kasey Kajiwara, Reni Soon, Jennifer Salcedo, Mary Tschann, Jennifer Elia, Kristin Pauker, Bliss Kaneshiro
The literature suggests that women of different races are more or less likely to use certain contraceptive methods and patient race can influence which contraceptive recommendations a provider makes. To explore whether health care providers treat individuals of different races differently, we conducted a preliminary investigation on whether medical students recommended different contraceptive methods for hypothetical patients presenting with the same clinical features who only varied by race. Third- and fourth-year medical students (n=103) at the University of Hawai'i completed an online survey...
January 2018: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/29332675/sleep-duration-and-incidence-of-type-2-diabetes-the-multiethnic-cohort
#14
Gertraud Maskarinec, Simone Jacobs, Yvette Amshoff, Veronica W Setiawan, Yurii B Shvetsov, Adrian A Franke, Laurence N Kolonel, Christopher A Haiman, Loïc Le Marchand
OBJECTIVES: As an emerging risk factor for the rising incidence of type 2 diabetes, we examined sleep duration in relation to type 2 diabetes and several biomarkers. DESIGN: Prospective cohort recruited 1993-1996. SETTING: The Multiethnic Cohort in Hawaii and California. PARTICIPANTS: A cohort of 151,691 White, African American, Japanese American, Native Hawaiian, and Latino participants; 9695 cohort members had biomarker measurements...
February 2018: Sleep Health
https://www.readbyqxmd.com/read/29332315/comparison-of-treatment-strategies-for-femoro-popliteal-disease-a-network-meta-analysis
#15
Edward Koifman, Michael J Lipinski, Kyle Buchanan, Won Yu Kang, Ricardo O Escarcega, Ron Waksman, Nelson L Bernardo
OBJECTIVES: We sought to compare treatment strategies in a Bayesian network meta-analysis of randomized controlled trials. BACKGROUND: Peripheral artery disease (PAD) is a prevalent morbidity that is treated with various strategies. METHODS: We performed a MEDLINE search for randomized studies comparing at least 2 treatment strategies, including bypass surgery, percutaneous transluminal angioplasty (PTA) balloons, stents, covered stents, drug-eluting stents (DES), and drug-coated balloons (DCB), in patients with native femoro-popliteal disease...
January 14, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29332147/phosphorus-allocation-and-phosphatase-activity-in-grasses-with-different-growth-rates
#16
Leandro Bittencourt de Oliveira, Anderson Cesar Ramos Marques, Fernando Luiz Ferreira de Quadros, Júlia Gomes Farias, Rogério Piccin, Gustavo Brunetto, Fernando Teixeira Nicoloso
Different growth rates of grasses from South American natural grasslands are adaptations to soils of low fertility. Grasses with fast growth rate are species with an accumulation of nutrients in soluble forms, with a high metabolic rate. This work aimed to study whether grasses with different growth rates have different phosphorus (P) uptake and efficiency of P use with high and low P availability in soil, as well as whether phosphatase activity is related to the species growth rate and variations in P biochemical forms in the tissues...
January 13, 2018: Oecologia
https://www.readbyqxmd.com/read/29331920/engineering-yeast-for-utilization-of-alternative-feedstocks
#17
REVIEW
Allison Yaguchi, Michael Spagnuolo, Mark Blenner
Realizing the economic benefits of alternative substrates for commodity chemical bioproduction typically requires significant metabolic engineering of common model organisms, such as Saccharomyces cerevisiae. A growing toolkit is enabling engineering of non-conventional yeast that have robust native metabolism for xylose, acetate, aromatics, and waste lipids. Scheffersomyces stipitis was engineered to produce itaconic acid from xylose. Yarrowia lipolytica produced lipids from dilute acetate at over 100g/L. Cutaneotrichosporon oleaginosus was engineered to produce omega-3 fatty acids and recently was shown to accumulate nearly 70% lipids when grown on aromatics as a carbon source...
January 10, 2018: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/29331625/proposing-priorities-of-intervention-for-the-recovery-of-native-fish-populations-using-hierarchical-ranking-of-environmental-and-exotic-species-impact
#18
V G Aschonitis, A Gavioli, M Lanzoni, E A Fano, C Feld, G Castaldelli
The freshwater populations of native fish species (Ns) have reached critical levels in many parts of the world due to combined habitat deterioration by human interventions and exotic fish species (Es) invasions. These alarming conditions require combined and well-designed interventions for restoring environmental quality and restricting Es invasion. The aim of the study is to propose a method to design spatially explicit priorities of intervention for the recovery of Ns populations in highly impacted freshwater systems by exotic multi-species invasion and water quality (WQ) degradation...
January 10, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29331578/molecular-detection-and-characterisation-of-babesia-and-theileria-in-australian-hard-ticks
#19
Brooke Storey-Lewis, Ann Mitrovic, Brent McParland
Babesia and Theileria are intraerythrocytic protozoans of the phylum Apicomplexa. These species are capable of infecting wild and domestic animals and have historically caused great economic loss in the agricultural industry. In recent years human babesiosis has been deemed an emerging zoonosis in North America, Europe and Asia. The first locally acquired case of babesiosis in Australia, caused by Babesia microti, was reported in March 2012. A number of native Babesia and Theileria species have been identified in Australian marsupials, however their associated tick vectors and threat to human health is unknown...
December 24, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29331461/stabilizing-vitamin-d3-using-the-molten-globule-state-of-%C3%AE-lactalbumin
#20
Jannik Nedergaard Pedersen, Henrik V Sørensen, Daniel E Otzen
α-Lactalbumin (α-LA) is the second most abundant bovine whey protein. It has been intensively studied because of its readiness to populate the molten globular (MG) state, a partially folded state with native levels of secondary structure but loss of tertiary structure. The MG state of α-LA exposes a significant number of hydrophobic patches that could be used to bind and stabilize small hydrophobic molecules such as vitamin D3 (vitD). Accordingly, we tested the ability of α-LA to stabilize vitD in a pH interval from 7...
January 10, 2018: Journal of Dairy Science
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