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https://www.readbyqxmd.com/read/28627772/bactericidal-effect-of-calcium-oxide-scallop-shell-powder-against-pseudomonas-aeruginosa-biofilm-on-quail-egg-shell-stainless-steel-plastic-and-rubber
#1
Soo-Jin Jung, Shin Young Park, Seh Eun Kim, Ike Kang, Jiyong Park, Jungwon Lee, Chang-Min Kim, Myung-Sub Chung, Sang-Do Ha
The aim of this study was to evaluate the bactericidal effect of calcium oxide (CaO) against Pseudomonas aeruginosa biofilms on quail eggshells and major egg contacting surfaces (stainless steel, plastic, and rubber). The samples were subjected to CaO treatments (0%, 0.01%, 0.05%, 0.10%, 0.15%, 0.20%, 0.25%, and 0.30%) for 1 min. All the CaO treatments significantly reduced P. aeruginosa biofilms on all tested surfaces as compared to controls. In comparison of biofilm stability, the strongest and most resistant biofilm was formed on eggshell against the CaO treatment, followed by rubber, stainless steel, and plastic...
June 19, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28620260/the-positive-expression-of-genotype-vii-newcastle-disease-virus-malaysian-isolate-in-japanese-quails-coturnix-coturnix-japonica
#2
Lizma Felisha Mazlan, Noor Farhana Bachek, Siti Nor Azizah Mahamud, Lokman Hakim Idris, Tan Sheau Wei, Abdul Rahman Omar, Mohd Hezmee Mohd Noor
AIM: Genotype VII Newcastle disease virus (NDV) is the most predominant NDV strains that circulating in Malaysia; thus, this study was aimed to determine the susceptibility of Japanese quails toward genotype VII NDV. Clinical signs, gross pathological lesions of organs, positive detection of virus in organs and cloacal swabs, as well as the expression of the antibody titer, were used as parameters to assess the susceptibility of Japanese quails following infection of genotype VII NDV...
May 2017: Veterinary World
https://www.readbyqxmd.com/read/28606119/molecular-epidemiology-of-avian-rotaviruses-group-a-and-d-shed-by-different-bird-species-in-nigeria
#3
Maude Pauly, Oluwole O Oni, Aurélie Sausy, Ademola A Owoade, Christopher A O Adeyefa, Claude P Muller, Judith M Hübschen, Chantal J Snoeck
BACKGROUND: Avian rotaviruses (RVs) cause gastrointestinal diseases of birds worldwide. However, prevalence, diversity, epidemiology and phylogeny of RVs remain largely under-investigated in Africa. METHODS: Fecal samples from 349 birds (158 symptomatic, 107 asymptomatic and 84 birds without recorded health status) were screened by reverse transcription PCR to detect RV groups A and D (RVA and RVD). Partial gene sequences of VP4, VP6, VP7 and NSP4 for RVA, and of VP6 and VP7 for RVD were obtained and analyzed to infer phylogenetic relationship...
June 12, 2017: Virology Journal
https://www.readbyqxmd.com/read/28576650/steroid-metabolism-in-the-brain-from-bird-watching-to-molecular-biology-a-personal-journey
#4
REVIEW
Jacques Balthazart
Since Arnold Adolph Berthold established in 1849 the critical role of the testes in the activation of male sexual behavior, intensive research has identified many sophisticated neurochemical and molecular mechanisms mediating this action. Studies in Japanese quail demonstrated the critical role of testosterone action and of testosterone aromatization in the sexually dimorphic medial preoptic nucleus in the activation of male copulatory behavior. The development of an immunohistochemical visualization of brain aromatase in quail then allowed further refinement in the localization of the sites of neuroestrogens production...
June 4, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28575073/a-comprehensive-retrospective-study-of-the-seroprevalence-of-h9n2-avian-influenza-viruses-in-occupationally-exposed-populations-in-china
#5
Xin Li, Bai Tian, Zhou Jianfang, Chen Yongkun, Li Xiaodan, Zhu Wenfei, Li Yan, Tang Jing, Guo Junfeng, Chen Tao, Gao Rongbao, Wang Dayan, Yuelong Shu
The H9N2 avian influenza virus circulates worldwide, predominantly in poultry. Its increasing infectivity and adaptation in poultry and mammals have enhanced the possibility of human infection. However, H9N2 human cases are difficult to detect due to their mild clinical symptoms. Serological study is valuable for risk assessment. A total of 15,700 serum samples were collected from occupationally exposed populations in 22 provinces of China and tested using hemagglutination inhibition (HI) and microneutralization (MN) assays...
2017: PloS One
https://www.readbyqxmd.com/read/28571695/influenza-viruses-production-evaluation-of-a-novel-avian-cell-line-duckcelt%C3%A2-t17
#6
Emma Petiot, Anaïs Proust, Aurélien Traversier, Laurent Durous, Frédéric Dappozze, Marianne Gras, Chantal Guillard, Jean-Marc Balloul, Manuel Rosa-Calatrava
The influenza vaccine manufacturing industry is looking for production cell lines that are easily scalable, highly permissive to multiple viruses, and more effective in term of viral productivity. One critical characteristic of such cell lines is their ability to grow in suspension, in serum free conditions and at high cell densities. Influenza virus causing severe epidemics both in human and animals is an important threat to world healthcare. The repetitive apparition of influenza pandemic outbreaks in the last 20years explains that manufacturing sector is still looking for more effective production processes to replace/supplement embryonated egg-based process...
May 29, 2017: Vaccine
https://www.readbyqxmd.com/read/28552562/the-central-anorexigenic-mechanism-of-amylin-in-japanese-quail-coturnix-japonica-involves-pro-opiomelanocortin-calcitonin-receptor-and-the-arcuate-nucleus-of-the-hypothalamus
#7
Jingwei Yuan, Elizabeth R Gilbert, Mark A Cline
Amylin is a 37-amino acid peptide hormone that exerts anorexigenic effects in humans and animals. We demonstrated that central injection of amylin into chicks affected feeding and related behaviors via the hypothalamus and brainstem, although the molecular mechanisms remained elusive. Thus, the objective of this study was to investigate the molecular mechanisms underlying anorexigenic effects of amylin in 7 day-old Japanese quail. Food but not water intake was reduced after intracerebroventricular amylin injection, and the behavior analysis indicated that this was associated with decreased food pecks and preening...
August 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28541573/lighting-programs-for-male-and-female-meat-quails-coturnix-coturnix-raised-in-equatorial-region
#8
G C Aguiar, E R Freitas, P H Watanabe, C W S Figueiredo, L P Silva, G A J Nascimento, R C Lima, R C Nepomuceno, N L Sá
The aim of the present study was to evaluate the effect of lighting programs for male and female meat quails raised in an equatorial region on performance and carcass traits. A total of 1,500 sexed quails (Coturnix coturnix) was distributed in a completely randomized design in a 2 × 3 factorial arrangement, with 2 sexes (male and female) and 3 lighting programs (natural, intermittent, and continuous) with 5 replicates of 50 birds. The lighting programs were applied in the period from 7 to 49 d of age, being natural (12 h and 30 min of natural light and 11 h and 30 min of dark), intermittent (12 h and 30 min of natural light and 5 h and 30 min of artificial light, alternating lighting periods with one h and 06 min and periods of darkness with one h and 12 min), and continuous (23 h of natural + artificial light and one h of dark)...
May 24, 2017: Poultry Science
https://www.readbyqxmd.com/read/28536195/discovery-of-a-widespread-metabolic-pathway-within-and-among-phenolic-xenobiotics
#9
Pahriya Ashrap, Guomao Zheng, Yi Wan, Tong Li, Wenxin Hu, Wenjuan Li, Hong Zhang, Zhaobin Zhang, Jianying Hu
Metabolism is an organism's primary defense against xenobiotics, yet it also increases the production of toxic metabolites. It is generally recognized that phenolic xenobiotics, a group of ubiquitous endocrine disruptors, undergo rapid phase II metabolism to generate more water-soluble glucuronide and sulfate conjugates as a detoxification pathway. However, the toxicological effects of the compounds invariably point to the phase I metabolic cytochrome P450 enzymes. Here we show that phenolic xenobiotics undergo an unknown metabolic pathway to form more lipophilic and bioactive products...
June 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28532523/immune-responses-intestinal-microbiota-performance-and-blood-characteristics-of-japanese-quail-fed-on-diets-containing-camphor
#10
A Sedaghat, M A Karimi Torshizi
This study aimed to investigate the effect of supplemental camphor on the performance and immune functions of Japanese quail by feeding graded levels (0 (control), 250, 500, 750, 1000, 5000 or 10 000 ppm) of camphor during a 42-day feeding trial. In all, 280 1-day-old quail chicks were randomly assigned into 28 cages of 10 chicks each with separate feeders. The results clearly demonstrated that camphor did not have a significant effect on BW, BW gain, total experimental average daily feed intake, feed conversion ratio, internal organ relative weights and biochemical parameters such as uric acid, albumin, total protein and triglyceride; however, plasma cholesterol concentration was significantly different in a linear manner, in which 500 ppm of camphor resulted in a lower level of cholesterol...
May 23, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28529649/sak-hv-triggered-a-short-period-lipid-lowering-biotherapy-based-on-the-energy-model-of-liver-proliferation-via-a-novel-pathway
#11
Chao Zhang, Zhiguang Huang, Haoran Jing, Wenliang Fu, Min Yuan, Wenrong Xia, Ling Cai, Xiangdong Gan, Yao Chen, Minji Zou, Minhui Long, Jiaxi Wang, Min Wang, Donggang Xu
The accumulations of excess lipids within liver and serum are defined as non-alcoholic fatty liver disease (NAFLD) and hyperlipemia respectively. Both of them are components of metabolic syndrome that greatly threaten human health. Here, a recombinant fusion protein (SAK-HV) effectively treated NAFLD and hyperlipemia in high-fat-fed ApoE(-/-) mice, quails and rats within just 14 days. Its triglyceride and cholesterol-lowering effects were significantly better than that of atorvastatin during the observation period...
2017: Theranostics
https://www.readbyqxmd.com/read/28525869/hepatic-microsomal-metabolism-of-bde-47-and-bde-99-by-lesser-snow-geese-and-japanese-quail
#12
Lisa K Krieger, András Szeitz, Stelvio M Bandiera
In the present study, we investigated the oxidative biotransformation of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) and 2,2',4,4',5-pentabromodiphenyl ether (BDE-99) by liver microsomes from wild lesser snow geese (Chen caerulescens caerulescens) and domesticated Japanese quail (Coturnix japonica). Formation of hydroxy-metabolites was analyzed using an ultra-high performance liquid chromatography-tandem mass spectrometry-based method. Incubation of BDE-47 with avian liver microsomes produced sixteen hydroxy-metabolites, eight of which were identified using authentic standards...
May 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28521051/efficiency-of-early-single-dose-probiotic-administration-methods-on-performance-small-intestinal-morphology-blood-biochemistry-and-immune-response-of-japanese-quail
#13
Kazem Seifi, Mohammad Amir Karimi Torshizi, Shaban Rahimi, Mohammad Kazemifard
The aim of the present study was to investigate the efficacy of early probiotics (single dose) administered in different ways, on quails' performance, small intestine morphology, blood biochemistry, and immune response. In total, 192 day-old chicks were used in one of the following experimental groups before being transferred to a raising room: 1) Control (no probiotic administered), 2) oral gavage, 3) spray, and 4) vent lip. Four replicates of 12 chicks per cage were considered for each treatment and birds were raised up to 35 d in the same conditions...
May 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28511899/signaling-pathways-to-and-from-the-hypophysial-pars-tuberalis-an-important-center-for-the-control-of-seasonal-rhythms
#14
REVIEW
Horst-Werner Korf
Seasonal (circannual) rhythms play an important role for the control of body functions (reproduction, metabolism, immune responses) in nearly all living organisms. Also humans are affected by the seasons with regard to immune responses and mental functions, the seasonal affective disorder being one of the most prominent examples. The hypophysial pars tuberalis (PT), an important interface between the hypophysial pars distalis and neuroendocrine centers in the brain, plays an essential role in the regulation of seasonal functions and may even be the seat of the circannual clock...
May 13, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28508987/transmission-of-h6n2-wild-bird-origin-influenza-a-virus-among-multiple-bird-species-in-a-stacked-cage-setting
#15
J Jeffrey Root, Susan A Shriner, Jeremy W Ellis, Kaci K VanDalen, Alan B Franklin
Live bird markets are common in certain regions of the U.S. and in other regions of the world. We experimentally tested the ability of a wild bird influenza A virus to transmit from index animals to naïve animals at varying animal densities in stacked cages in a simulated live bird market. Two and six mallards, five and twelve quail, and six and nine pheasants were used in the low-density and high-density stacks of cages, respectively. Transmission did not occur in the high-density stack of cages likely due to the short duration and relatively low levels of shedding, a dominance of oral shedding, and the lack of transmission to other mallards in the index cage...
May 16, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28507408/effect-of-dietary-supplementation-of-fermented-fish-silage-on-serum-biochemical-parameters-of-broiler-japanese-quails-coturnix-coturnix-japonica
#16
Sasmita Panda, Laxman Kumar Babu, Arun Kumar Panda, Tanuja S, Anurag Mohanty, Kuldeep Kumar Panigrahy, Pinaki Samal
AIM: The objective of this study was to evaluate the effect of feeding fermented fish silage (FFS) on serum biochemical parameters of Japanese quails (Coturnix coturnix japonica). MATERIALS AND METHODS: A total of 192, 7-day-old broiler Japanese quail chicks of either sex, were randomly distributed into four dietary treatments with four replicates in each group having 12 chicks in each replicate pen. The dietary treatments were T1 - Control diet, T2 - Diet containing 5% FFS, T3 - Diet containing 10% FFS, and T4 - Diet containing 15% FFS...
April 2017: Veterinary World
https://www.readbyqxmd.com/read/28502731/the-influence-of-a-probiotic-supplementation-on-memory-in-quail-suggests-a-role-of-gut-microbiota-on-cognitive-abilities-in-birds
#17
Severine Parois, Ludovic Calandreau, Narjis Kraimi, Irène Gabriel, Christine Leterrier
The gut microbiota is involved in host behaviour and memory in mammals. Consequently, it may also influence emotional behaviour and memory in birds. Quail from two genetic lines with different fearfulness (LTI: long tonic immobility, n=37; STI: short tonic immobility, n=32) were either or not supplemented with a probiotic (Pediococcus acidilactici) from hatching. Emotional reactivity was measured in a tonic immobility test (d6 and 7 of age) and two open-field tests (d13-15; d22-24). Memory was measured in a test rewarded with mealworms, where quail had to remember the cups previously visited (d34-36)...
May 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28497115/an-efficient-rapid-and-recyclable-system-for-crispr-mediated-genome-editing-in-candida-albicans
#18
Namkha Nguyen, Morgan M F Quail, Aaron D Hernday
Candida albicans is the most common fungal pathogen of humans. Historically, molecular genetic analysis of this important pathogen has been hampered by the lack of stable plasmids or meiotic cell division, limited selectable markers, and inefficient methods for generating gene knockouts. The recent development of clustered regularly interspaced short palindromic repeat(s) (CRISPR)-based tools for use with C. albicans has opened the door to more efficient genome editing; however, previously reported systems have specific limitations...
March 2017: MSphere
https://www.readbyqxmd.com/read/28495270/egg-deposition-of-maternal-testosterone-is-primarily-controlled-by-the-preovulatory-peak-of-luteinizing-hormone-in-japanese-quail
#19
Monika Okuliarova, Simone L Meddle, Michal Zeman
Differential transfer of maternal testosterone (T) into egg yolk provides a means of adjusting an offspring's phenotype to ambient environmental conditions. While the environmental and genetic driven variability in yolk T levels is widely described, the underlying mechanisms are poorly understood. Here, we investigated whether neuroendocrine mechanisms controlling ovulatory processes are associated with the regulation of yolk T deposition. Circulatory profiles of luteinizing hormone (LH), T and estradiol levels were analysed during the last 7 h before ovulation in Japanese quail selected for contrasting yolk T concentrations...
May 8, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28492231/ppks-mediate-direct-signal-transfer-from-phytochrome-photoreceptors-to-transcription-factor-pif3
#20
Weimin Ni, Shou-Ling Xu, Eduardo González-Grandío, Robert J Chalkley, Andreas F R Huhmer, Alma L Burlingame, Zhi-Yong Wang, Peter H Quail
Upon light-induced nuclear translocation, phytochrome (phy) sensory photoreceptors interact with, and induce rapid phosphorylation and consequent ubiquitin-mediated degradation of, transcription factors, called PIFs, thereby regulating target gene expression and plant development. Nevertheless, the biochemical mechanism of phy-induced PIF phosphorylation has remained ill-defined. Here we identify a family of nuclear protein kinases, designated Photoregulatory Protein Kinases (PPK1-4; formerly called MUT9-Like Kinases (MLKs)), that interact with PIF3 and phyB in a light-induced manner in vivo...
May 11, 2017: Nature Communications
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