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https://www.readbyqxmd.com/read/28434188/drivers-of-community-assembly-in-tropical-forest-restoration-sites-role-of-local-environment-landscape-and-space
#1
Lívia D Audino, Stephen J Murphy, Ludimila Zambaldi, Julio Louzada, Liza S Comita
There is increasing recognition that community assembly theory can offer valuable insights for ecological restoration. We studied community assembly processes following tropical forest restoration efforts, using dung beetles (Scarabaeidae) as a focal taxon to investigate taxonomic and functional patterns of biodiversity recovery. We evaluated the relative importance of the local environment (i.e., canopy cover, understory cover, tree basal area, and soil texture), landscape context (i.e., habitat patch proximity and availability and percentage of surrounding area classified as natural forest or Eucalyptus spp...
April 23, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28433648/repeated-threat-without-direct-harm-alters-metabolic-capacity-in-select-regions-that-drive-defensive-behavior
#2
D J Kim, A S Lee, A A Yttredahl, R Gómez-Rodríguez, B J Anderson
To understand the behavioral consequences of intermittent anticipatory stress resulting from threats without accompanying physiological challenges, we developed a semi-naturalistic rodent housing and foraging environment that can include threats that are unpredictable in timing. Behavior is automatically recorded while rats forage for food or water. Over three weeks, the threats have been shown to elicit risk assessment behaviors, increase defensive burying and increase adrenal gland weight. To identify brain regions activated by this manipulation, we measured cytochrome c oxidase (COX), which is tightly coupled to neural activity...
April 19, 2017: Neuroscience
https://www.readbyqxmd.com/read/28433403/-public-health-competencies-and-contents-in-spanish-university-degree-programmes-of-veterinary-medicine
#3
María Del Carmen Davó-Blanes, Carmen Vives-Cases, Belén Huerta
OBJECTIVE: To reach a consensus among public health faculty from various Spanish universities about the core public health competencies that should be integrated into the Veterinary Medicine degree training. METHODS: The 3rd Forum of University Professors of Public Health was held at the School of Veterinary Medicine of the University of Cordoba (12-13 January 2016). Forty-two university professors and lecturers from nine Spanish universities with veterinary degrees participated in the forum...
April 19, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28432200/tissue-adaptation-implications-for-gut-immunity-and-tolerance
#4
REVIEW
Ana M C Faria, Bernardo S Reis, Daniel Mucida
Tissue adaptation is an intrinsic component of immune cell development, influencing both resistance to pathogens and tolerance. Chronically stimulated surfaces of the body, in particular the gut mucosa, are the major sites where immune cells traffic and reside. Their adaptation to these environments requires constant discrimination between natural stimulation coming from harmless microbiota and food, and pathogens that need to be cleared. This review will focus on the adaptation of lymphocytes to the gut mucosa, a highly specialized environment that can help us understand the plasticity of leukocytes arriving at various tissue sites and how tissue-related factors operate to shape immune cell fate and function...
April 21, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28431979/past-exposure-to-fruit-and-vegetable-variety-moderates-the-link-between-fungiform-papillae-density-and-current-variety-of-fv-consumed-by-children
#5
Anna Fogel, Jackie Blissett
Higher fungiform papillae density (FPD) has been associated with lower taste sensitivity thresholds and greater perceived taste intensity along with consumption of fewer fruit and vegetables (FV). Children exposed to greater variety of FV tend to habitually consume more FV, however, it is unknown whether exposure effects are attenuated by individual differences in FPD or whether these effects vary according to sensory properties of FV. This study examined the links between children's FPD, current variety of FV consumed, and past experiences with variety of fruit and vegetables...
April 18, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28431978/temporal-niche-switching-in-arabian-oryx-oryx-leucoryx-seasonal-plasticity-of-24h-activity-patterns-in-a-large-desert-mammal
#6
Joshua G Davimes, Abdulaziz N Alagaili, Mads F Bertelsen, Osama B Mohammed, Jason Hemingway, Nigel C Bennett, Paul R Manger, Nadine Gravett
The Arabian oryx, a moderately large mammal that inhabits a harsh desert environment, has been shown to exhibit seasonal variations in activity and inactivity patterns. Here we analyzed the continuous year-round activity patterns of twelve free-roaming Arabian oryx under natural conditions from two varying desert environments in Saudi Arabia using abdominally implanted activity meters. We simultaneously recorded weather parameters at both sites to determine whether environmental factors are responsible for temporal niche switching as well as the seasonal structuring and timing of this behavioural plasticity...
April 18, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28430285/electrochemical-synthesis-of-phosphorus-doped-graphene-quantum-dots-for-free-radical-scavenging
#7
Yan Li, Sen Li, Yingmin Wang, Jun Wang, Hui Liu, Xinqian Liu, Lifeng Wang, Xiaoguang Liu, Wendong Xue, Ning Ma
In this work, phosphorus-doped graphene quantum dots (P-GQDs) with a high phosphorus doping content (>7 at%) are synthesized via an electrochemical approach. Sodium phytate (C6H6Na12O24P6), a green food antioxidant additive, is used as the electrolyte for providing both a phosphorus source and an electrolysis environment. The obtained P-GQDs exhibit excellent scavenging activity of free radicals, such as hydroxyl radicals (˙OH) and 2,2-diphenyl-1-picrylhydrazyl (DPPH). Combined with Raman, FT-IR, and XPS spectral analyses, the reason for high phosphorus content and the mechanism of free radical scavenging of P-GQDs are investigated in our work...
April 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28429919/home-availability-of-fruit-and-vegetables-and-obesogenic-foods-as-an-indicator-of-nutrient-intake-in-50-year-olds-from-canterbury-new-zealand
#8
Emily Grant, Richard Blair Gearry, Renée Wilson, John Pearson, Paula Marie Louise Skidmore
BACKGROUND AND OBJECTIVES: The home food environment is known to influence children's diet and selected health outcomes. However, similar research in adults is scarce. The home is arguably the most important food environment for New Zealand adults as the majority of food consumed is stored and prepared in the home. Therefore we investigated relationships between home food availability and nutrient intake in 50 year olds from Canterbury, New Zealand. METHODS AND STUDY DESIGN: A cross-sectional study where participants completed a home food inventory and a four-day estimated food diary...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429917/the-impact-of-urbanization-on-the-community-food-environment-in-china
#9
Yang Wu, Hong Xue, Huijun Wang, Chang Su, Shufa Du, Youfa Wang
BACKGROUND AND OBJECTIVES: Research on how urbanization has influenced the food environment in China is limited. The study aimed to examine the impact of urbanization on the food environment in China. METHODS AND STUDY DESIGN: Longitudinal data collected during 1989-2009 from the China Health and Nutrition Survey were used, which covered 9 provinces in China. Urbanicity index (0-10) was assessed using an urbanicity scale. Final analyses included 216 communities...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429829/molecular-adaptation-in-the-world-s-deepest-living-animal-insights-from-transcriptome-sequencing-of-the-hadal-amphipod-hirondellea-gigas
#10
Yi Lan, Jin Sun, Renmao Tian, Douglas H Bartlett, Runsheng Li, Yue Him Wong, Weipeng Zhang, Jian-Wen Qiu, Ting Xu, Li-Sheng He, Harry G Tabata, Pei-Yuan Qian
The Challenger Deep in the Mariana Trench is the deepest point in the oceans of our planet. Understanding how animals adapt to this harsh environment characterized by high hydrostatic pressure, food-limited, dark, and cold is of great scientific interest. Of the animals dwelling in the Challenger Deep, amphipods have been captured using baited traps. In the present study, we sequenced the transcriptome of the amphipod Hirondellea gigas collected at a depth of 10,929 m from the East Pond of the Challenger Deep...
April 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28428763/adhd-lifestyles-and-comorbidities-a-call-for-an-holistic-perspective-from-medical-to-societal-intervening-factors
#11
REVIEW
Simon Weissenberger, Radek Ptacek, Martina Klicperova-Baker, Andreja Erman, Katerina Schonova, Jiri Raboch, Michal Goetz
The review examines Attention Deficit Hyperactivity Disorder (ADHD in its Child and Adult form) and its various presentations (Hyperactive Impulsive, Inattentive, and Combined) with a particular focus on environmental (incl. social factors), lifestyles and comorbidities. It is argued that ADHD is best understood in a holistic and interactive context and a vast empirical literature is presented to illustrate the point: Environmental factors include stress in general as well as exposure to toxins (phthalates, bisphenol A)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28428391/the-interaction-of-human-population-food-production-and-biodiversity-protection
#12
REVIEW
Eileen Crist, Camilo Mora, Robert Engelman
Research suggests that the scale of human population and the current pace of its growth contribute substantially to the loss of biological diversity. Although technological change and unequal consumption inextricably mingle with demographic impacts on the environment, the needs of all human beings-especially for food-imply that projected population growth will undermine protection of the natural world. Numerous solutions have been proposed to boost food production while protecting biodiversity, but alone these proposals are unlikely to staunch biodiversity loss...
April 21, 2017: Science
https://www.readbyqxmd.com/read/28428152/convenience-food-with-environmentally-sustainable-attributes-a-consumer-perspective
#13
Stefanella Stranieri, Elena Claire Ricci, Alessandro Banterle
The use of chemicals in agriculture poses risks on both human health and the environment. Regulatory measures, both mandatory and voluntary, have been introduced to promote a reduction in the use of pesticides. The proliferation of such standards is related to the gradual shift of consumer preferences towards foods with reduced negative health and environmental impacts. Beside consumer demand for sustainable food products, convenience foods are also assuming an increasingly important role in developed countries...
April 17, 2017: Appetite
https://www.readbyqxmd.com/read/28427843/relative-importance-of-different-exposure-routes-of-heavy-metals-for-humans-living-near-a-municipal-solid-waste-incinerator
#14
Tong Li, Yi Wan, Yujie Ben, Senrong Fan, Jianying Hu
The potential health effects of toxic chemicals (e.g. heavy metals) emitted by municipal solid waste incinerators (MSWIs) are of great concern to local residents, however there have been few studies on the contributions of different exposure pathways and their subsequent effects on the body burden of residents living near MSWIs. In this study, multiple exposure routes of heavy metals including Pb, Cr, Cd and Mn were assessed by investigating the metals in foods (such as vegetables, crops, meats and fruits etc...
April 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28427355/identifying-and-characterizing-hepatitis-c-virus-hotspots-in-massachusetts-a-spatial-epidemiological-approach
#15
Thomas J Stopka, Michael A Goulart, David J Meyers, Marga Hutcheson, Kerri Barton, Shauna Onofrey, Daniel Church, Ashley Donahue, Kenneth K H Chui
BACKGROUND: Hepatitis C virus (HCV) infections have increased during the past decade but little is known about geographic clustering patterns. METHODS: We used a unique analytical approach, combining geographic information systems (GIS), spatial epidemiology, and statistical modeling to identify and characterize HCV hotspots, statistically significant clusters of census tracts with elevated HCV counts and rates. We compiled sociodemographic and HCV surveillance data (n = 99,780 cases) for Massachusetts census tracts (n = 1464) from 2002 to 2013...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28427249/crystal-structure-of-the-regulatory-domain-of-aphb-from-vibrio-vulnificus-a-virulence-gene-regulator
#16
Nohra Park, Saemee Song, Garam Choi, Kyung Ku Jang, Inseong Jo, Sang Ho Choi, Nam-Chul Ha
The transcriptional activator AphB has been implicated in acid resistance and pathogenesis in the food borne pathogens Vibrio vulnificus and Vibrio cholerae. To date, the full-length AphB crystal structure of V. cholerae has been determined and characterized by a tetrameric assembly of AphB consisting of a DNA binding domain and a regulatory domain (RD). Although acidic pH and low oxygen tension might be involved in the activation of AphB, it remains unknown which ligand or stimulus activates AphB at the molecular level...
April 20, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28426185/integrated-hiv-care-and-service-engagement-among-people-living-with-hiv-who-use-drugs-in-a-setting-with-a-community-wide-treatment-as-prevention-initiative-a-qualitative-study-in-vancouver-canada
#17
Alexandra B Collins, Surita Parashar, Robert S Hogg, Saranee Fernando, Catherine Worthington, Patrick McDougall, Rosalind Baltzer Turje, Ryan McNeil
INTRODUCTION: Social-structural inequities impede access to, and retention in, HIV care among structurally vulnerable people living with HIV (PLHIV) who use drugs. The resulting disparities in HIV-related outcomes among PLHIV who use drugs pose barriers to the optimization of HIV treatment as prevention (TasP) initiatives. We undertook this study to examine engagement with, and impacts of, an integrated HIV care services model tailored to the needs of PLHIV who use drugs in Vancouver, Canada - a setting with a community-wide TasP initiative...
February 3, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28425899/associations-between-the-local-food-environment-and-the-severity-of-food-insecurity-among-new-families-using-community-food-security-interventions-in-montreal
#18
Elsury Pérez, Federico Roncarolo, Louise Potvin
OBJECTIVES: To examine the association between the local food environment and the severity of food insecurity among new families using community food security interventions in Montreal. METHODS: In this cross-sectional study, we analyzed baseline data from 785 adults aged 18-65 years enrolled in the evaluation of the effects of organizations delivering community food security interventions in Montreal. The dependent variable was household food insecurity, while the independent variable was the local food environment, assessed through: location of the most frequently used grocery store, distance between the participant's residence and the community organization used, mode of transportation, walking time to the most frequently used grocery store, satisfaction with the acceptability and affordability of food available at the most frequently used grocery store, and self-reported difficulties in accessing food...
April 20, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/28424997/changing-places-changing-plates-a-binational-comparison-of-barriers-and-facilitators-to-healthful-eating-among-central-american-communities
#19
Melissa Fuster, Uriyoán Colón-Ramos
To understand the process by which immigrants adopt dietary practices, this study offers a binational comparison of factors that predispose, enable, and reinforce healthful eating in the sending and receiving countries. Data are from two qualitative studies that examined barriers and facilitators to healthful eating in El Salvador (four focus groups, n = 28 adults) and in the US (30 in-depth interviews n = 15 mothers recently migrated from Central America). There was a strong emphasis on hygiene and vitamin-content of foods among participants in El Salvador...
April 19, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28423993/lateralization-of-motor-reactions-and-formation-of-behavioural-tactics-during-learning-in-the-eight-arm-radial-maze-in-adolescent-and-adult-rats
#20
Natalia Kurzina, Irina Aristova, Anna Volnova
The problem of motor lateralization in ontogenesis is important for understanding adaptation development. In our experiment adolescent (P28-P30) and adult (P120) rats were trained in an eight-arm radial maze and their motor behaviour compared during training. During learning, the adult rats typically started by moving either left or right direction in the central arena in choosing the way in the maze. The adult rats also developed behavioural tactics to enter maze arms at 45° or 90° relative to the previously visited arm...
April 19, 2017: Laterality
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