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https://www.readbyqxmd.com/read/28087947/lichenized-fungi-and-the-evolution-of-symbiotic-organization
#1
Martin Grube, Mats Wedin
Lichen symbioses comprise a fascinating relationship between algae and fungi. The lichen symbiotic lifestyle evolved early in the evolution of ascomycetes and is also known from a few basidiomycetes. The ascomycete lineages have diversified in the lichenized stage to give rise to a tremendous variety of morphologies. Their thalli are often internally complex and stratified for optimized integration of algal and fungal metabolisms. Thalli are frequently colonized by specific nonlichenized fungi and occasionally also by other lichens...
December 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/28087930/fungal-ecology-principles-and-mechanisms-of-colonization-and-competition-by-saprotrophic-fungi
#2
Lynne Boddy, Jennifer Hiscox
Decomposer fungi continually deplete the organic resources they inhabit, so successful colonization of new resources is a crucial part of their ecology. Colonization success can be split into (i) the ability to arrive at, gain entry into, and establish within a resource and (ii) the ability to persist within the resource until reproduction and dissemination. Fungi vary in their life history strategies, the three main drivers of which are stress (S-selected), disturbance (ruderal, or R-selected), and incidence of competitors (C-selected); however, fungi often have combinations of characteristics from different strategies...
December 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/28087656/conspecific-aggregations-mitigate-the-effects-of-ocean-acidification-on-calcification-of-the-coral-pocillopora-verrucosa
#3
Nicolas R Evensen, Peter J Edmunds
In densely populated communities, such as coral reefs, organisms can modify the physical and chemical environment for neighbouring individuals. We tested the hypothesis that colony density (12 colonies each placed∼0.5 cm apart versus∼8 cm apart) can modulate the physiological response (measured through rates of calcification, photosynthesis, and respiration in the light and dark) of the coral Pocillopora verrucosa to pCO2 treatments (∼ 400 µatm and∼1200 µatm) by altering the seawater flow regimes experienced by colonies placed in aggregations within a flume at a single flow speed...
January 13, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28087529/resilience-dynamics-and-interactions-within-a-multi-species-exoelectrogenic-model-biofilm-community
#4
Anna Prokhorova, Katrin Sturm-Richter, Andreas Doetsch, Johannes Gescher
: Anode-associated multi-species exoelectrogenic biofilms are essential to the function of bioelectrochemical systems (BESs). The individual activities of anode associated organisms and physiological responses resulting from co-culturing are often hard to assess due to the high microbial diversity in these systems. Therefore, we developed a model multispecies biofilm of the three exoelectrogenic proteobacteria Shewanella oneidensis, Geobacter sulfurreducens and Geobacter metallireducens with the aim to study in detail the biofilm formation dynamics, the interactions between the organisms and the overall activity of an exoelectrogenic biofilm as a consequence of the applied anode potential...
January 13, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28087526/rapid-enrichment-of-dehalococcoides-like-bacteria-by-partial-hydrophobic-separation
#5
Hanna R Temme, Kipp Sande, Tao Yan, Paige J Novak
: Organohalide respiring bacteria can be difficult to enrich and isolate, which can limit research on these important organisms. The goal of this research was to develop a method to rapidly (minutes to days) enrich these organisms from a mixed community. The method presented is based on the hypothesis that organohalide respiring bacteria would be more hydrophobic than other bacteria as they dehalogenate hydrophobic compounds. The developed method tests this hypothesis by separating a portion of putative organohalide respiring bacteria, those phylogenetically related to Dehalococcoides mccartyi, at the interface between a hydrophobic organic solvent and aqueous media...
January 13, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28087490/longitudinal-multiple-sclerosis-lesion-segmentation-resource-challenge
#6
Aaron Carass, Snehashis Roy, Amod Jog, Jennifer L Cuzzocreo, Elizabeth Magrath, Adrian Gherman, Julia Button, James Nguyen, Ferran Prados, Carole H Sudre, Manuel Jorge Cardoso, Niamh Cawley, Olga Ciccarelli, Claudia A M Wheeler-Kingshott, Sébastien Ourselin, Laurence Catanese, Hrishikesh Deshpande, Pierre Maurel, Olivier Commowick, Christian Barillot, Xavier Tomas-Fernandez, Simon K Warfield, Suthirth Vaidya, Abhijith Chunduru, Ramanathan Muthuganapathy, Ganapathy Krishnamurthi, Andrew Jesson, Tal Arbel, Oskar Maier, Heinz Handels, Leonardo O Iheme, Devrim Unay, Saurabh Jain, Diana M Sima, Dirk Smeets, Mohsen Ghafoorian, Bram Platel, Ariel Birenbaum, Hayit Greenspan, Pierre-Louis Bazin, Peter A Calabresi, Ciprian M Crainiceanu, Lotta M Ellingsen, Daniel S Reich, Jerry L Prince, Dzung L Pham
In conjunction with the ISBI 2015 conference, we organized a longitudinal lesion segmentation challenge providing training and test data to registered participants. The training data consisted of five subjects with a mean of 4.4 time-points, and test data of fourteen subjects with a mean of 4.4 time-points. All 82 data sets had the white matter lesions associated with multiple sclerosis delineated by two human expert raters. Eleven teams submitted results using state-of-the-art lesion segmentation algorithms to the challenge, with ten teams presenting their results at the conference...
January 10, 2017: NeuroImage
https://www.readbyqxmd.com/read/28086925/partnerships-in-mental-healthcare-service-delivery-in-low-resource-settings-developing-an-innovative-network-in-rural-nepal
#7
Bibhav Acharya, Duncan Maru, Ryan Schwarz, David Citrin, Jasmine Tenpa, Soniya Hirachan, Madhur Basnet, Poshan Thapa, Sikhar Swar, Scott Halliday, Brandon Kohrt, Nagendra P Luitel, Erick Hung, Bikash Gauchan, Rajeev Pokharel, Maria Ekstrand
BACKGROUND: Mental illnesses are the largest contributors to the global burden of non-communicable diseases. However, there is extremely limited access to high quality, culturally-sensitive, and contextually-appropriate mental healthcare services. This situation persists despite the availability of interventions with proven efficacy to improve patient outcomes. A partnerships network is necessary for successful program adaptation and implementation. PARTNERSHIPS NETWORK: We describe our partnerships network as a case example that addresses challenges in delivering mental healthcare and which can serve as a model for similar settings...
January 13, 2017: Globalization and Health
https://www.readbyqxmd.com/read/28086906/physical-activity-and-nutrition-behaviour-outcomes-of-a-cluster-randomized-controlled-trial-for-adults-with-metabolic-syndrome-in-vietnam
#8
Van Dinh Tran, Andy H Lee, Jonine Jancey, Anthony P James, Peter Howat, Le Thi Phuong Mai
BACKGROUND: Metabolic syndrome is prevalent among Vietnamese adults, especially those aged 50-65 years. This study evaluated the effectiveness of a 6 month community-based lifestyle intervention to increase physical activity levels and improve dietary behaviours for adults with metabolic syndrome in Vietnam. METHODS: Ten communes, involving participants aged 50-65 years with metabolic syndrome, were recruited from Hanam province in northern Vietnam. The communes were randomly allocated to either the intervention (five communes, n = 214) or the control group (five communes, n = 203)...
January 13, 2017: Trials
https://www.readbyqxmd.com/read/28086808/a-quiet-harvest-linkage-between-ritual-seed-selection-and-the-historical-use-of-the-finger-bladed-knife-as-a-traditional-plant-breeding-tool-in-ifugao-philippines
#9
REVIEW
Kevin M Murphy
The transverse harvest knife, also commonly called the finger or finger-bladed knife, has been utilized by rice farmers in southeast Asia for many centuries. The finger knife persisted in many traditional cultures long after the introduction of the sickle, a tool which provided farmers with the means to execute a much faster harvest. Several theories in interpretative archaeology have attempted to account for this rejection of more modern technological innovations. These theories, which include community-based social organization ideas and practical reasons for the continued use of the finger knife, are presented in this paper...
January 13, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28081488/chemical-and-physiological-metal-bioaccessibility-assessment-in-surface-bottom-sediments-from-the-deba-river-urban-catchment-harmonization-of-pbet-tclp-and-bcr-sequential-extraction-methods
#10
Jessica Unda-Calvo, Miren Martínez-Santos, Estilita Ruiz-Romera
In the present study, the physiologically based extraction test PBET (gastric and intestinal phases) and two chemical based extraction methods, the toxicity characteristic leaching procedure (TCLP) and the sequential extraction procedure BCR 701 (Community Bureau of Reference of the European Commission) have been used to estimate and evaluate the bioaccessibility of metals (Fe, Mn, Zn, Cu, Ni, Cr and Pb) in sediments from the Deba River urban catchment. The statistical analysis of data and comparison among physiological and chemical methods have highlighted the relevance of simulate the gastrointestinal tract environment since metal bioaccessibility seems to depend on water and sediment properties such as pH, redox potential and organic matter content, and, primordially, on the form in which metals are present in the sediment...
January 9, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28081167/bacterial-communities-associated-with-houseflies-musca-domestica-l-sampled-within-and-between-farms
#11
Simon Bahrndorff, Nadieh de Jonge, Henrik Skovgård, Jeppe Lund Nielsen
The housefly feeds and reproduces in animal manure and decaying organic substances and thus lives in intimate association with various microorganisms including human pathogens. In order to understand the variation and association between bacteria and the housefly, we used 16S rRNA gene amplicon sequencing to describe bacterial communities of 90 individual houseflies collected within and between ten dairy farms in Denmark. Analysis of gene sequences showed that the most abundant classes of bacteria found across all sites included Bacilli, Clostridia, Actinobacteria, Flavobacteria, and all classes of Proteobacteria and at the genus level the most abundant genera included Corynebacterium, Lactobacillus, Staphylococcus, Vagococcus, Weissella, Lactococcus, and Aerococcus...
2017: PloS One
https://www.readbyqxmd.com/read/28079726/the-charter-on-professionalism-for-health-care-organizations
#12
Barry E Egener, Diana J Mason, Walter J McDonald, Sally Okun, Meg E Gaines, David A Fleming, Bernie M Rosof, David Gullen, May-Lynn Andresen
In 2002, the Physician Charter on Medical Professionalism was published to provide physicians with guidance for decision making in a rapidly changing environment. Feedback from physicians indicated that they were unable to fully live up to the principles in the 2002 charter partly because of their employing or affiliated health care organizations. A multistakeholder group has developed a Charter on Professionalism for Health Care Organizations, which may provide more guidance than charters for individual disciplines, given the current structure of health care delivery systems...
January 10, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28079725/new-medicine-for-the-u-s-health-care-system-training-physicians-for-structural-interventions
#13
Helena Hansen, Jonathan M Metzl
Structural competency provides a language and theoretical framework to promote institutional-level interventions by clinical practitioners working with community organizations, non-health-sector institutions, and policy makers. The special collection of articles on structural competency in this issue of Academic Medicine addresses the need to move from theory to an appraisal of core educational interventions that operationalize the goals of and foster structural competency. In this Commentary, the authors review the role of clinical practitioners in enhancing population-level health outcomes through collaborations with professionals in fields outside medicine, including the social sciences and law...
January 10, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28078616/physician-power-to-declare-death-by-neurologic-criteria-threatened
#14
Ariane Lewis, Thaddeus Mason Pope
BACKGROUND: Three recent lawsuits that address declaration of brain death (BD) garnered significant media attention and threaten to limit physician power to declare BD. METHODS: We discuss these cases and their consequences including: the right to refuse an apnea test, accepted medical standards for declaration of BD, and the irreversibility of BD. RESULTS: These cases warrant discussion because they threaten to: limit physicians' power to determine death; incite families to seek injunctions to continue organ support after BD; and force hospitals to dispense valuable resources to dead patients in lieu of patients with reparable illnesses or injuries...
January 11, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28078475/50-years-of-the-international-committee-on-taxonomy-of-viruses-progress-and-prospects
#15
Michael J Adams, Elliot J Lefkowitz, Andrew M Q King, Balázs Harrach, Robert L Harrison, Nick J Knowles, Andrew M Kropinski, Mart Krupovic, Jens H Kuhn, Arcady R Mushegian, Max L Nibert, Sead Sabanadzovic, Hélène Sanfaçon, Stuart G Siddell, Peter Simmonds, Arvind Varsani, Francisco Murilo Zerbini, Richard J Orton, Donald B Smith, Alexander E Gorbalenya, Andrew J Davison
We mark the 50th anniversary of the International Committee on Taxonomy of Viruses (ICTV) by presenting a brief history of the organization since its foundation, showing how it has adapted to advancements in our knowledge of virus diversity and the methods used to characterize it. We also outline recent developments, supported by a grant from the Wellcome Trust (UK), that are facilitating substantial changes in the operations of the ICTV and promoting dialogue with the virology community. These developments will generate improved online resources, including a freely available and regularly updated ICTV Virus Taxonomy Report...
January 11, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28077145/perceptions-and-experiences-of-the-mistreatment-of-women-during-childbirth-in-health-facilities-in-guinea-a-qualitative-study-with-women-and-service-providers
#16
Mamadou Diouldé Balde, Boubacar Alpha Diallo, Abou Bangoura, Oumar Sall, Anne Marie Soumah, Joshua P Vogel, Meghan A Bohren
BACKGROUND: Every woman is entitled to respectful care during childbirth; so it is concerning to hear of informal reports of mistreatment during childbirth in Guinea. This study sought to explore the perceptions and experiences of mistreatment during childbirth, from the perspectives of women and service providers, and the analysis presents findings according to a typology of mistreatment during childbirth. METHODS: This study used qualitative methods (in-depth interviews (IDIs) and focus group discussions (FGDs)) and was conducted with four groups of participants: women of reproductive age, midwives, doctors, and administrators...
January 11, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28077095/geographic-information-system-for-improving-maternal-and-newborn-health-recommendations-for-policy-and-programs
#17
Yordanos B Molla, Barbara Rawlins, Prestige Tatenda Makanga, Marc Cunningham, Juan Eugenio Hernández Ávila, Corrine Warren Ruktanonchai, Kavita Singh, Sylvia Alford, Mira Thompson, Vikas Dwivedi, Allisyn C Moran, Zoe Matthews
This correspondence argues and offers recommendations for how Geographic Information System (GIS) applied to maternal and newborn health data could potentially be used as part of the broader efforts for ending preventable maternal and newborn mortality. These recommendations were generated from a technical consultation on reporting and mapping maternal deaths that was held in Washington, DC from January 12 to 13, 2015 and hosted by the United States Agency for International Development's (USAID) global Maternal and Child Survival Program (MCSP)...
January 11, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28076690/effect-of-intermittent-aeration-strategies-on-treatment-performance-and-microbial-community-of-an-ifas-reactor-treating-municipal-wastewater
#18
Nitin Kumar Singh, Akansha Bhatia, Absar Ahmad Kazmi
This study investigated the effect of various intermittent aeration (IA) cycles, characterized by the ratio of non-aeration to aeration time, on organics and nutrient removal, and microbial communities in an integrated fixed film activated sludge (IFAS) reactor treating municipal wastewater. Average effluent BOD, COD, TSS, TN and TP values were noted as 20, 50, 30, 12 and 1.5 mgL(-1), respectively in continuous aeration mode. A total of four operational conditions (run 1, continuous aeration; run 2, 150/30 min aeration on/off time; run 3, 120/60 min aeration on/off time; run 4, 90/60 min aeration on/off time) were investigated in IFAS reactor assessment...
January 11, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28076667/effectiveness-of-antipsychotic-drugs-for-24-month-maintenance-treatment-in-first-episode-schizophrenia-evidence-from-a-community-based-real-world-study
#19
Chen Zhang, Mei-Juan Chen, Guo-Jun Wu, Zuo-Wei Wang, Shun-Zeng Rao, Yi Zhang, Zheng-Hui Yi, Wei-Min Yang, Ke-Ming Gao, Li-Sheng Song
OBJECTIVE: Maintenance treatment of schizophrenia with antipsychotic medications has become a standard for the prevention of psychotic relapse. However, little is known about the effectiveness of antipsychotic drugs for maintenance treatment in "real-world" populations with schizophrenia. We carried out a prospective study to assess the effectiveness of the most frequently prescribed antipsychotic drugs in the maintenance treatment of schizophrenia from 2 community settings. METHODS: This study was conducted from October 2011 to December 2014...
November 2016: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28076578/confirmed-clinical-case-of-chronic-kidney-disease-of-nontraditional-causes-in-agricultural-communities-in-central-america-a-case-definition-for-surveillance
#20
Alejandro Ferreiro, Guillermo Álvarez-Estévez, Manuel Cerdas-Calderón, Zulma Cruz-Trujillo, Elio Mena, Marina Reyes, Mabel Sandoval-Diaz, Vicente Sánchez-Polo, Régulo Valdés, Pedro Ordúnez
Over the last 20 years, many reports have described an excess of cases of chronic kidney disease (CKD) in the Pacific coastal area of Central America, mainly affecting male farmworkers and signaling a serious public health problem. Most of these cases are not associated with traditional risk factors for CKD, such as aging, diabetes mellitus, and hypertension. This CKD of nontraditional causes (CKDnT) might be linked to environmental and/or occupational exposure or working conditions, limited access to health services, and poverty...
November 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
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