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https://www.readbyqxmd.com/read/28437774/bacterial-community-dynamics-and-functional-variation-during-the-long-term-decomposition-of-cyanobacterial-blooms-in-vitro
#1
Limei Shi, Yaxin Huang, Min Zhang, Yang Yu, Yaping Lu, Fanxiang Kong
Cyanobacterial blooms drastically influence carbon and nutrient cycling in eutrophic freshwater lakes. To understand the mineralization process of cyanobacteria-derived particulate organic matter (CyanPOM), the aerobic degradation of cyanobacterial blooms dominated by Microcystis sp. was investigated over a 95-day microcosm experiment. Approximately 91%, 95% and 83% of the initial particulate organic carbon (POC), particulate organic nitrogen (PON), and particulate organic phosphorus (POP) were decomposed, respectively...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437727/new-inter-correlated-genes-targeted-by-diatom-derived-polyunsaturated-aldehydes-in-the-sea-urchin-paracentrotus-lividus
#2
Nadia Ruocco, Anna Maria Fedele, Susan Costantini, Giovanna Romano, Adrianna Ianora, Maria Costantini
The marine environment is continually subjected to the action of stressors (including natural toxins), which represent a constant danger for benthic communities. In the present work using network analysis we identified ten genes on the basis of associated functions (FOXA, FoxG, GFI-1, nodal, JNK, OneCut/Hnf6, TAK1, tcf4, TCF7, VEGF) in the sea urchin Paracentrotus lividus, having key roles in different processes, such as embryonic development and asymmetry, cell fate specification, cell differentiation and morphogenesis, and skeletogenesis...
April 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28437663/microbial-communities-associated-with-plants-learning-from-nature-to-apply-it-in-agriculture
#3
REVIEW
Fernando Dini Andreote, Michele de Cássia Pereira E Silva
It is a new consensus that any living organism depends on its partners to strive under environmental conditions along their living period. Plants are also highly dependent on their associated microbes, which can support its development and proper protection under stressors. Along their evolution, plants learned to interact to soil microbiota, extracting their utmost capacity to provide resources for plant development and successful colonization of terrestrial systems, where the great soil biodiversity is keen on properly exert this role...
April 21, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/28437480/variation-of-bacterial-communities-in-water-and-sediments-during-the-decomposition-of-microcystis-biomass
#4
Dayong Zhao, Xinyi Cao, Rui Huang, Jin Zeng, Qinglong L Wu
The bacterial community composition in water and sediment samples during the decomposition of Microcystis biomass were analyzed using the 454 pyrosequencing technique. We found dramatic shifts in the bacterial community composition of water and sediments after the addition of Microcystis biomass. Among all the detected phyla, only Firmicutes was found to be dominant in both water and sediment samples. The genus Clostridium sensu stricto was the absolutely dominant group in Firmicutes and showed drastic variations with incubation time during the decomposition process...
2017: PloS One
https://www.readbyqxmd.com/read/28437459/management-and-outcomes-of-severe-dengue-patients-presenting-with-sepsis-in-a-tropical-country
#5
Prapit Teparrukkul, Viriya Hantrakun, Nicholas P J Day, T Eoin West, Direk Limmathurotsakul
BACKGROUND: Dengue is a common cause of infection in adults in tropical countries. Sepsis is a syndrome of systemic manifestations induced by infection of any organisms; including bacterial, fungal and viral agents. Here, we investigated the diagnosis, management and outcomes of dengue patients presenting with sepsis in a prospective study of community-acquired sepsis in Thailand. METHODS: From June to December 2015, 874 adult patients (age≥18 years) with suspected or documented community-acquired infection, with ≥3 diagnostic criteria for sepsis according to the Surviving Sepsis Campaign 2012, and within 24 hours of admission were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28437427/bacterial-diversity-of-bacteriomes-and-organs-of-reproductive-digestive-and-excretory-systems-in-two-cicada-species-hemiptera-cicadidae
#6
Zhou Zheng, Dandan Wang, Hong He, Cong Wei
Cicadas form intimate symbioses with bacteria to obtain nutrients that are scarce in the xylem fluid they feed on. The obligate symbionts in cicadas are purportedly confined to specialized bacteriomes, but knowledge of bacterial communities associated with cicadas is limited. Bacterial communities in the bacteriomes and organs of reproductive, digestive and excretory systems of two cicada species (Platypleura kaempferi and Meimuna mongolica) were investigated using different methods, and the bacterial diversity and distribution patterns of dominant bacteria in different tissues were compared...
2017: PloS One
https://www.readbyqxmd.com/read/28436542/intercontinental-telehealth-coaching-of-therapists-to-improve-verbalizations-by-children-with-autism
#7
Ana Barkaia, Trevor F Stokes, Tamar Mikiashvili
This study examined the effects of intercontinental telehealth coaching on the mastery of therapists' skills and improvements in verbalizations by children with autism, testing whether telehealth can be a solution for underserved communities in developing countries such as Georgia-Sakartvelo in Eastern Europe. Three therapists delivering and three children with autism receiving early-intervention services from the nongovernmental organization Children of Georgia in Tbilisi participated. Experimenters provided coaching from Virginia, USA to therapists in Georgia-Sakartvelo...
April 24, 2017: Journal of Applied Behavior Analysis
https://www.readbyqxmd.com/read/28435752/preliminary-hawai-i-public-health-workforce-supply-and-demand-assessment
#8
Katherine W Braden, Valerie Yontz, Kelley Withy
Ensuring the adequacy of the public health workforce requires an understanding of its size and composition, as well as the population's demand for services. The current article describes research undertaken as a first step toward developing an estimate of the supply of and demand for Hawai'i's public health workforce. Using an organizational-level survey, data was obtained from a subset of 34 organizations considered to be major providers of population-based public health services in Hawai'i. The results indicate that estimates of the existing public health workforce range from 3,429 to 3,846 workers...
March 2017: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/28435745/a-consult-service-to-support-and-promote-community-based-research-tracking-and-evaluating-a-community-based-research-consult-service
#9
Clara M Pelfrey, Katrice D Cain, Mary Ellen Lawless, Earl Pike, Ashwini R Sehgal
PURPOSE: This study describes the design, operation and evaluation of a community-based research (CBR) consult service within the setting of a Clinical and Translational Science Award (CTSA) institution. To our knowledge, there are no published evaluations of a CBR consult service at a CTSA hub. METHODS: A community-based research Consult Service was created to support faculty, health care providers/research coordinators, trainees, community-based organizations and community members...
February 2017: J Clin Transl Sci
https://www.readbyqxmd.com/read/28435482/state-emergency-department-opioid-guidelines-current-status
#10
Robert I Broida, Tanner Gronowski, Andrew F Kalnow, Andrew G Little, Christopher M Lloyd
INTRODUCTION: The purpose of this study was to evaluate and categorize current state-sponsored opioid guidelines for the practice of emergency medicine (EM). METHODS: We conducted a comprehensive search of EM-specific opioid prescribing guidelines and/or policies in each state to determine current state involvement in EM opioid prescribing, as well as to evaluate some of the specifics of each guideline or policy. The search was conducted using an online query and a follow-up email request to each state chapter of ACEP...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28435193/can-methicillin-resistant-staphylococcus-aureus-prevalence-from-dairy-cows-in-india-act-as-potential-risk-for-community-associated-infections-a-review
#11
REVIEW
Sathish Gopal, Kurunchi C Divya
Methicillin-resistant Staphylococcus aureus (MRSA) is classified as hospital associated (HA), community associated (CA), livestock associated (LA) and is a global concern. Developing countries, like India, are densely populated country challenging for public hygiene practices. HA-MRSA is comfortably recorded in India, and CA-MRSA is also reported as increasing one. CA-MRSA is serious disease which affects the community as endemic. MRSA is one among major mastitis-causing organisms in India as LA-MRSA. There were reports for transmission of MRSA as community between milk handlers and cow in global perspective...
March 2017: Veterinary World
https://www.readbyqxmd.com/read/28433896/in-situ-sludge-pretreatment-in-a-single-stage-anaerobic-digester
#12
Yun Chen, Keke Xiao, Xie Jiang, Nan Shen, Raymond J Zeng, Yan Zhou
This study aimed to develop an in-situ sludge pretreatment method by increasing the temperature from thermophilic to extreme thermophilic condition in a single-stage anaerobic digester. The results revealed that a stable performance was obtained within the temperature range of 55-65°C, and the maximum methane yield of 208.51±13.66mL/g VS was obtained at 65°C. Moreover, the maximum extent of hydrolysis (33%) and acidification (27.1%) was also observed at 65°C. However, further increase of temperature to 70°C did not improve the organic conversion efficiency...
April 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28433404/-local-food-production-for-school-feeding-programmes-in-spain
#13
Panmela Soares, Maria Asunción Martínez-Mián, Pablo Caballero, Carmen Vives-Cases, Mari Carmen Davó-Blanes
OBJECTIVE: To identify and characterize initiatives that promote the purchase of locally-sourced foods to supply schools and the school centres carrying out the initiatives. METHOD: Exploratory, descriptive study based on secondary data and key informant reports. A search of governmental and non-governmental initiatives was carried out at the autonomous community level. Government initiatives were located through school feeding programmes in the different autonomous communities, their nutritional guides and representatives of the councils for education and agriculture...
April 19, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28432949/dominance-of-candidate-saccharibacteria-in-a-membrane-bioreactor-treating-medium-age-landfill-leachate-effects-of-organic-load-on-microbial-communities-hydrolytic-potential-and-extracellular-polymeric-substances
#14
Nikolaos Remmas, Paraschos Melidis, Ioanna Zerva, Jon Bent Kristoffersen, Sofia Nikolaki, George Tsiamis, Spyridon Ntougias
A membrane bioreactor (MBR), accomplishing high nitrogen removal efficiencies, was evaluated under various landfill leachate concentrations (50, 75 and 100% v/v). Proteinous and carbohydrate extracellular polymeric substances (EPS) and soluble microbial product (SMP) were strongly correlated (p<0.01) with organic load, salinity and NH4(+)-N. Exceptionally high β-glucosidase activities (6700-10,100Ug(-1)) were determined during MBR operation with 50% v/v leachate, as a result of the low organic carbon availability that extendedly induced β-glucosidases to breakdown the least biodegradable organic fraction...
April 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432831/oncopeltus-fasciatus-as-an-evo-devo-research-organism
#15
REVIEW
Ariel D Chipman
The large milkweed bug Oncopeltus fasciatus was one of the main study insects for a range of biological questions throughout much of the 20(th) century. Its importance waned with the introduction of Drosophila melanogaster as a genetic model organism. The evo-devo revolution of the turn of the century re-introduced Oncopeltus into the scientific community, and it has proved increasingly useful, mostly within a comparative context for evolution driven research. The last few years have seen a number of significant contributions to our understanding of the evolution of developmental processes in insects, and in arthropods in general, arise from work on Oncopeltus...
April 22, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28432623/performance-of-cstr-egsb-sbr-system-for-treating-sulfate-rich-cellulosic-ethanol-wastewater-and-microbial-community-analysis
#16
Lili Shan, Zhaohan Zhang, Yanling Yu, John Justo Ambuchi, Yujie Feng
Performance and microbial community composition were evaluated in a two-phase anaerobic and aerobic system treating sulfate-rich cellulosic ethanol wastewater (CEW). The system was operated at five different chemical oxygen demand (COD)/SO4(2-) ratios (63.8, 26.3, 17.8, 13.7, and 10.7). Stable performance was obtained for total COD removal efficiency (94.5%), sulfate removal (89.3%), and methane production rate (11.5 L/day) at an organic loading rate of 32.4 kg COD/(m(3)·day). The acidogenic reactor made a positive contribution to net VFAs production (2318...
April 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28432048/solithromycin-a-novel-ketolide-antibiotic
#17
Michael J Buege, Jack E Brown, Samuel L Aitken
PURPOSE: The pharmacology, pharmacokinetics, pharmacodynamics, antimicrobial activity, clinical safety, and current regulatory status of solithromycin are reviewed. SUMMARY: Solithromycin is a novel ketolide antibiotic developed for the treatment of community-acquired bacterial pneumonia (CABP). Its pharmacologic, pharmacokinetic, and pharmacodynamic properties provide activity against a broad range of intracellular organisms, including retained activity against pathogens displaying various mechanisms of macrolide resistance...
April 21, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28431359/reconstruction-of-microbial-community-structures-as-evidences-for-soil-redox-coupled-reductive-dechlorination-of-pcp-in-a-mangrove-soil
#18
Yan Xu, Yan He, Xianjin Tang, Philip C Brookes, Jianming Xu
The aim was to investigate the influence of pentachlorophenol (PCP) on the soil microbial communities and the coupled mechanism between PCP reductive dechlorination and soil redox under anaerobic condition. Accordingly, a slurry incubation experiment was carried out in which bacterial and archaeal communities were detected by MiSeq amplicon sequencing. The original microbial community balance was gradually disrupted and new microbial structure was reconstructed subsequently through self-regulation and acclimation during PCP transformation, coupling with the changes of soil biogeochemical redox dynamics...
April 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28431346/caged-gammarus-as-biomonitors-identifying-thresholds-of-toxic-metal-bioavailability-that-affect-gammarid-densities-at-the-french-national-scale
#19
Alexandre Ciliberti, Arnaud Chaumot, Rémi Recoura-Massaquant, André Chandesris, Adeline François, Marina Coquery, Martial Ferréol, Olivier Geffard
Bioaccumulated concentrations of toxic elements in biomonitor invertebrate species have already been used to successfully link metal bioavailability and impairments of stream macroinvertebrate communities at the scale of the watershed. However, implementing this empirical comparative approach at a greater spatial scale remains a challenge due to the diversity of biogeographical contexts encompassed by regional and national scales. We showed in previous studies that the use of standard organisms caged permits the use of a common biomonitor over a far greater geographical range, while limiting the influence of confounding factors on levels of bioavailable contamination...
April 17, 2017: Water Research
https://www.readbyqxmd.com/read/28431240/building-a-translational-microbiome-toolbox
#20
Payal Joglekar, Julia A Segre
Designing successful microbiota-based therapies requires in-depth understanding of the ecological foundations of this community. In this issue, two studies by Whitaker et al. and Lim et al. provide refined genetic tools for dissecting the spatial organization and temporal dynamics of bacterial communities at the single-cell and -gene levels.
April 20, 2017: Cell
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