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https://www.readbyqxmd.com/read/28532796/oral-vaccination-through-voluntary-consumption-of-the-convict-grouper-epinephelus-septemfasciatus-with-yeast-producing-the-capsid-protein-of-red-spotted-grouper-nervous-necrosis-virus
#1
Seo Young Cho, Hyoung Jin Kim, Nguyen Thi Lan, Hyun-Ja Han, Deok-Chan Lee, Jee Youn Hwang, Mun-Gyeong Kwon, Bo Kyu Kang, Sang Yoon Han, Hyoungjoon Moon, Hyun Ah Kang, Hong-Jin Kim
Nervous necrosis viruses (NNV) cause serious economic losses in marine fish cultivation. The red-spotted grouper NNV (RGNNV) is the most common species of NNV worldwide. There have been many efforts to develop prophylactic NNV vaccines, and various types of vaccine candidate have been suggested. However, most were designed as injectable vaccines, which are not suitable for large-scale vaccination and cause too much stress to the fish. Oral vaccination through voluntary feeding is an ideal way to provide protective immunity to fish...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28531360/omega-3-polyunsaturated-fatty-acids-for-cardiovascular-diseases-present-past-and-future
#2
Yasuhiro Watanabe, Ichiro Tatsuno
Large-scale epidemiological studies on Greenlandic, Canadian and Alaskan Eskimos have examined the health benefits of omega-3 fatty acids consumed as part of the diet, and found statistically significant relative reduction in cardiovascular risk in people consuming omega-3 fatty acids. Areas covered: This article reviews studies on omega-3 fatty acids during the last 50 years, and identifies issues relevant to future studies on cardiovascular (CV) risk. Expert Commentary: Although a meta-analysis of large-scale prospective cohort studies and randomized studies reported that fish and fish oil consumption reduced coronary heart disease-related mortality and sudden cardiac death, omega-3 fatty acids have not yet been shown to be effective in secondary prevention trials on patients with multiple cardiovascular disease (CVD) risk factors...
May 20, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28531104/stumbling-across-the-same-phage-comparative-genomics-of-widespread-temperate-phages-infecting-the-fish-pathogen-vibrio-anguillarum
#3
Panos G Kalatzis, Nanna Iben Rørbo, Daniel Castillo, Jesper Juel Mauritzen, Jóhanna Jørgensen, Constantina Kokkari, Faxing Zhang, Pantelis Katharios, Mathias Middelboe
Nineteen Vibrio anguillarum-specific temperate bacteriophages isolated across Europe and Chile from aquaculture and environmental sites were genome sequenced and analyzed for host range, morphology and life cycle characteristics. The phages were classified as Siphoviridae with genome sizes between 46,006 and 54,201 bp. All 19 phages showed high genetic similarity, and 13 phages were genetically identical. Apart from sporadically distributed single nucleotide polymorphisms (SNPs), genetic diversifications were located in three variable regions (VR1, VR2 and VR3) in six of the phage genomes...
May 20, 2017: Viruses
https://www.readbyqxmd.com/read/28528560/design-and-implementation-of-a-community-health-worker-hiv-treatment-and-prevention-intervention-in-an-hiv-hot-spot-fishing-community-in-rakai-uganda
#4
Amanda Long, Ismail Mbabali, Heidi E Hutton, Alvin G Thomas, Eva Bugos, Jeremiah Mulamba, Kathy Rivet Amico, Fred Nalugoda, Ronald H Gray, Maria J Wawer, Gertrude Nakigozi, Larry W Chang
Innovative approaches are needed to increase engagement in HIV treatment and prevention services, particularly in HIV hot spots. Here, we detail our design, training approach, and early implementation experiences of a community-based HIV intervention called "health scouts." The intervention, utilizing a novel, theory-based approach, trained 10 community residents in an HIV hot spot fishing community to use motivational interviewing strategies and a mobile phone-based counseling application. During the first 3 months, 771 residents (median 82/health scout, range 27-160) were counseled...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28528416/time-trends-of-persistent-organic-pollutants-in-benthic-and-pelagic-indicator-fishes-from-puget-sound-washington-usa
#5
James E West, Sandra M O'Neill, Gina M Ylitalo
We modeled temporal trends in polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), and dichlorodiphenyltrichloroethane and its metabolites (DDTs) in two indicator fish species representing benthic and pelagic habitats in Puget Sound, Washington, USA. English sole (Parophrys vetulus, benthic) index sites and larger-scale Pacific herring (Clupea pallasii, pelagic) foraging areas represented a wide range of possible contamination conditions, with sampling locations situated adjacent to watersheds exhibiting high, medium and low development...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28526570/role-of-medicinal-plants-on-growth-performance-and-immune-status-in-fish
#6
REVIEW
Elham Awad, Amani Awaad
Disease outbreaks increase proportionally with increases in intensive aquaculture. Natural products including medicinal plants have been known from thousands of years for treating some human diseases. It is well known that many active compounds are responsible for potential bio-activities. For that reason, there has been considerable interest in the use of medicinal plants in aquaculture with a view to providing safe and eco-friendly compounds for replacing antibiotics and chemical compounds as well as to enhance immune status and control fish diseases...
May 16, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28521279/chronic-stress-impairs-the-local-immune-response-during-cutaneous-repair-in-gilthead-sea-bream-sparus-aurata-l
#7
Ana Patrícia Mateus, Liliana Anjos, João R Cardoso, Deborah M Power
Scale removal in fish triggers a damage-repair program to re-establish the lost epidermis and scale and an associated local immune response. In mammals, chronic stress is known to delay wound healing and to modulate the cutaneous stress axis, but this is unstudied in teleost fish the most successful extant vertebrates. The present study was designed to test the hypothesis that chronic stress impairs cutaneous repair in teleost fish as a consequence of suppression of the immune response. The hypothesis was tested by removing the scales and damaging the skin on one side of the body of fish previously exposed for 4 weeks to a chronic crowding stress and then evaluating cutaneous repair for 1 week...
May 15, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28515870/behavioral-responses-to-encounter-of-fishing-boats-in-wandering-albatrosses
#8
Julien Collet, Samantha C Patrick, Henri Weimerskirch
Animals are attracted to human food subsidies worldwide. The behavioral response of individuals to these resources is rarely described in detail, beyond chances of encounters. Seabirds for instance scavenge in large numbers at fishing boats, triggering crucial conservation issues, but how the response to boats varies across encounters is poorly known. Here we examine the behavioral response of wandering albatrosses (Diomedea exulans), equipped with GPS tags, to longline fishing boats operating near their colony for which we had access to vessel monitoring system data...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28515419/new-insights-into-ocean-sunfish-mola-mola-abundance-and-seasonal-distribution-in-the-northeast-atlantic
#9
Patricia Breen, Ana Cañadas, Oliver Ó Cadhla, Mick Mackey, Meike Scheidat, Steve C V Geelhoed, Emer Rogan, Mark Jessopp
The ocean sunfish, Mola mola, is the largest teleost fish in the world. Despite being found in all oceans of the world, little is known about its abundance and factors driving its distribution. In this study we provide the first abundance estimates for sunfish in offshore waters in the northeast Atlantic and the first record of extensive sunfish presence in these waters year-round. Abundance estimates and predictive distributions for sunfish in approximately 300,000 km² of the northeast Atlantic were derived from large scale offshore aerial surveys in 2015-2016 using distance sampling techniques...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28515206/widespread-ecomorphological-convergence-in-multiple-fish-families-spanning-the-marine-freshwater-interface
#10
Aaron M Davis, Ricardo Betancur-R
The theoretical definition and quantification of convergence is an increasingly topical focus in evolutionary research, with particular growing interest on study scales spanning deep phylogenetic divergences and broad geographical areas. While much progress has recently been made in understanding the role of convergence in driving terrestrial (e.g. anole lizards) and aquatic (e.g. cichlids) radiations, little is known about its macroevolutionary effects across environmental gradients. This study uses a suite of recently developed comparative approaches integrating diverse aspects of morphology, dietary data, habitat affiliation and phylogeny to assess convergence across several well-known tropical-temperate fish families in the percomorph suborder Terapontoidei, a clade with considerable phenotypic and ecological diversity radiating in both marine and freshwater environments...
May 17, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28514638/the-evolution-of-cooperation-interacting-phenotypes-among-social-partners
#11
Mat Edenbrow, Bronwyn H Bleakley, Safi K Darden, Charles R Tyler, Indar W Ramnarine, Darren P Croft
Models of cooperation among nonkin suggest that social assortment is important for the evolution of cooperation. Theory predicts that interacting phenotypes, whereby an individual's behavior depends on the behavior of its social partners, can drive such social assortment. We measured repeated indirect genetic effects (IGEs) during cooperative predator inspection in eight populations of Trinidadian guppies (Poecilia reticulata) that vary in their evolutionary history of predation. Four broad patterns emerged that were dependent on river, predation history, and sex: (i) current partner behavior had the largest effect on focal behavior, with fish from low-predation habitats responding more to their social partners than fish from high-predation habitats; (ii) different focal/partner behavior combinations can generate cooperation; (iii) some high-predation fish exhibited carryover effects across social partners; and (iv) high-predation fish were more risk averse...
June 2017: American Naturalist
https://www.readbyqxmd.com/read/28511041/biofilm-formation-and-granule-properties-in-anaerobic-digestion-at-high-salinity
#12
M C Gagliano, S B Ismail, A J M Stams, C M Plugge, H Temmink, J B Van Lier
For the anaerobic biological treatment of saline wastewater, Anaerobic Digestion (AD) is currently a possibility, even though elevated salt concentrations can be a major obstacle. Anaerobic consortia and especially methanogenic archaea are very sensitive to fluctuations in salinity. When working with Upflow Sludge Blanket Reactor (UASB) technology, in which the microorganisms are aggregated and retained in the system as a granular biofilm, high sodium concentration negatively affects aggregation and consequently process performances...
May 10, 2017: Water Research
https://www.readbyqxmd.com/read/28504423/genetic-vulnerabilities-to-prenatal-alcohol-exposure-limb-defects-in-sonic-hedgehog-and-gli2-heterozygous-mice
#13
Eric W Fish, Laura B Murdaugh, Kathleen K Sulik, Kevin P Williams, Scott E Parnell
BACKGROUND: Genetic factors influence the physical and neurobehavioral manifestations of prenatal alcohol exposure (PAE). Animal models allow the investigation of specific genes that confer vulnerability to, or protection from, birth defects associated with fetal alcohol spectrum disorders (FASDs). The objective of the present experiments was to determine if genetic alterations in the Sonic Hedgehog (Shh) signaling pathways affect the vulnerability to PAE-induced skeletal defects involving the forelimbs and/or hindlimbs...
May 15, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28501197/methylmercury-determination-in-seafood-by-photochemical-vapor-generation-capacitively-coupled-plasma-microtorch-optical-emission-spectrometry
#14
Eniko Covaci, Marin Senila, Michaela Ponta, Eugen Darvasi, Dorin Petreus, Maria Frentiu, Tiberiu Frentiu
A non-chromatographic method based on double liquid-liquid extraction and measurements by UV photochemical vapor generation capacitively coupled plasma microtorch optical emission spectrometry was developed and characterized for methylmercury determination in seafood. Samples were prepared following the procedure recommended in JRC Technical Report of European Commission formerly proposed for the determination of methylmercury in seafood by thermal decomposition atomic absorption spectrometry, namely confinement of Hg species in 47% HBr solution, extraction of CH3Hg(+) in toluene and back-extraction in 1% l-cysteine aqueous solution...
August 1, 2017: Talanta
https://www.readbyqxmd.com/read/28500794/rapid-broad-scale-gene-expression-evolution-in-experimentally-harvested-fish-populations
#15
Silva Uusi-Heikkilä, Tiina Sävilammi, Erica Leder, Robert Arlinghaus, Craig R Primmer
Gene expression changes potentially play an important role in adaptive evolution under human-induced selection pressures but this has been challenging to demonstrate in natural populations. Fishing exhibits strong selection pressure against large body size, thus potentially inducing evolutionary changes in life-history and other traits that may be slowly reversible once fishing ceases. However, there is a lack of convincing examples regarding the speed and magnitude of fisheries-induced evolution and thus the relevant underlying molecular-level effects remain elusive...
May 13, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28495472/matrix-specific-distribution-and-diastereomeric-profiles-of-hexabromocyclododecane-hbcd-in-a-multimedia-environment-air-soil-sludge-sediment-and-fish
#16
Hyeyeong Jo, Min-Hui Son, Sung-Hee Seo, Yoon-Seok Chang
Hexabromocyclododecane (HBCD) contamination and its diastereomeric profile were investigated in a multi-media environment along a river at the local scale in air, soil, sludge, sediment, and fish samples. The spatial distribution of HBCD in each matrix showed a different result. The highest concentrations of HBCD in air and soil were detected near a general industrial complex; in the sediment and sludge samples, they were detected in the down-stream region (i.e., urban area). Each matrix showed the specific distribution patterns of HBCD diastereomers, suggesting continuous inputs of contaminants, different physicochemical properties, or isomerizations...
May 9, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28494284/evaluating-the-impact-of-irrigation-on-surface-water-groundwater-interaction-and-stream-temperature-in-an-agricultural-watershed
#17
Hedeff I Essaid, Rodney R Caldwell
Changes in groundwater discharge to streams caused by irrigation practices can influence stream temperature. Observations along two currently flood-irrigated reaches in the 640-square-kilometer upper Smith River watershed, an important agricultural and recreational fishing area in west-central Montana, showed a downstream temperature decrease resulting from groundwater discharge to the stream. A watershed-scale coupled surface water and groundwater flow model was used to examine changes in streamflow, groundwater discharge to the stream and stream temperature resulting from irrigation practices...
May 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28493894/multi-scale-temporal-patterns-in-fish-presence-in-a-high-velocity-tidal-channel
#18
Haley A Viehman, Gayle Barbin Zydlewski
The natural variation of fish presence in high-velocity tidal channels is not well understood. A better understanding of fish use of these areas would aid in predicting fish interactions with marine hydrokinetic (MHK) devices, the effects of which are uncertain but of high concern. To characterize the patterns in fish presence at a tidal energy site in Cobscook Bay, Maine, we examined two years of hydroacoustic data continuously collected at the proposed depth of an MHK turbine with a bottom-mounted, side-looking echosounder...
2017: PloS One
https://www.readbyqxmd.com/read/28493538/a-fine-scale-analysis-of-heavily-invaded-italian-freshwater-fish-assemblages
#19
Annamaria Nocita, Elena Tricarico, Sandro Bertolino
Inland waters are highly vulnerable to the introduction and spread of non-native species, due to heavy human use of aquatic ecosystems and the natural linkages among streams and lakes. This is particularly noticeable in freshwater fish communities. To better evaluate how these communities are affected by non-native species introductions, we conducted a fine scale analysis of the changes in Italian freshwater fish assemblages after species introduction. For this analysis, we collected information on fish species present in 44 basins...
May 11, 2017: Integrative Zoology
https://www.readbyqxmd.com/read/28493127/improved-cho-cell-line-stability-and-recombinant-protein-expression-during-long-term-culture
#20
Zeynep Betts, Alan J Dickson
Therapeutic proteins require proper folding and posttranslational modifications to be effective and biologically active. Chinese hamster ovary (CHO) cells are by far the most frequently used host for commercial production of therapeutic proteins. However, an unpredictable decrease in protein productivity during the time required for scale up impairs process yields, time, finance, and regulatory approval for the desired product. Therefore, it is important to assess cell lines at stages throughout the period of long-term culture in terms of productivity and various molecular parameters including plasmid and mRNA copy numbers and location of the plasmid on the host cell chromosome...
2017: Methods in Molecular Biology
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