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https://www.readbyqxmd.com/read/28430864/the-gnih-lpxrfa-system-s-regulation-of-reproduction-in-the-brain-pituitary-axis-of-the-zebrafish-danio-rerio
#1
Olivia Smith Spicer, Nilli Zmora, Ten-Tsao Wong, Matan Golan, Berta Levavi-Sivan, Yoav Gothilf, Yonathan Zohar
Gonadotropin-inhibitory hormone (GNIH) was discovered in quail with the ability to reduce gonadotropin expression/secretion in the pituitary. There have been few studies on GNIH orthologs in teleosts (Lpxrfa peptides), which have provided inconsistent results. Therefore, the goal of this study was to determine the roles and modes of action by which Lpxrfa exerts its functions in the brain-pituitary axis of zebrafish (Danio rerio). We localized Lpxrfa soma to the ventral hypothalamus, with fibers extending throughout the brain and to the pituitary...
April 18, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28419321/genetic-analysis-of-partial-egg-production-records-in-japanese-quail-using-random-regression-models
#2
G Abou Khadiga, B Y F Mahmoud, G S Farahat, A M Emam, E A El-Full
The main objectives of this study were to detect the most appropriate random regression model (RRM) to fit the data of monthly egg production in 2 lines (selected and control) of Japanese quail and to test the consistency of different criteria of model choice. Data from 1,200 female Japanese quails for the first 5 months of egg production from 4 consecutive generations of an egg line selected for egg production in the first month (EP1) was analyzed. Eight RRMs with different orders of Legendre polynomials were compared to determine the proper model for analysis...
April 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28419309/influence-of-dietary-inclusion-of-untreated-or-heat-treated-jatropha-meal-on-productive-and-reproductive-performances-and-biochemical-blood-parameters-of-laying-japanese-quail
#3
M E Abd El-Hack, M Alagawany, S A A El-Sayed, J Fowler
Jatropha meal (JM) has been characterized as a potential animal feedstuff due to its high crude protein content and high levels of essential amino acids. However, it contains anti-nutritive and toxic compounds that may hinder its use. The present study was conducted to evaluate the effects of a dietary inclusion of raw Jatropha meal (RJM) and heat-treated Jatropha meal on the growth and production of laying Japanese quail using productive, reproductive, and biochemical blood parameters. A total number of 180 mature Japanese quail at 2 months of age (120 females and 60 males) was randomly divided into 4 treatment groups: control (0% JM); 3...
April 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28418272/incubation-temperature-alters-temperature-dependent-oxygen-consumption-in-northern-bobwhite-quail-hatchlings-colinus-virginianus
#4
Christopher Marks, Natalie E Nickles, Tom Wise, Spiro Mavroidis
This study investigated the effect of mismatching incubation and posthatch temperatures in northern bobwhite quail hatchlings. Quail embryos were incubated at 35.5° or 37.5°C. Metabolic rates were then measured in hatchlings acclimated to either the same or the opposite temperature treatment. While hatchlings expressed higher oxygen consumption when posthatch temperature did not match incubation temperature, the effect of mismatching temperatures was significant only when posthatch temperature was higher than incubation temperature...
July 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28414820/transcriptome-analysis-of-the-epidermis-of-the-purple-quail-like-q-lp-mutant-of-silkworm-bombyx-mori
#5
Pingyang Wang, Zhiyong Qiu, Dingguo Xia, Shunming Tang, Xingjia Shen, Qiaoling Zhao
A new purple quail-like (q-lp) mutant found from the plain silkworm strain 932VR has pigment dots on the epidermis similar to the pigment mutant quail (q). In addition, q-lp mutant larvae are inactive, consume little and grow slowly, with a high death rate and other developmental abnormalities. Pigmentation of the silkworm epidermis consists of melanin, ommochrome and pteridine. Silkworm development is regulated by ecdysone and juvenile hormone. In this study, we performed RNA-Seq on the epidermis of the q-lp mutant in the 4th instar during molting, with 932VR serving as the control...
2017: PloS One
https://www.readbyqxmd.com/read/28413083/a-novel-nuclear-xenobiotic-receptors-ahr-pxr-car-mediated-mechanism-of-dehp-induced-cerebellar-toxicity-in-quails-coturnix-japonica-via-disrupting-cyp-enzyme-system-homeostasis
#6
Zheng-Hai Du, Jun Xia, Xiao-Chen Sun, Xue-Nan Li, Cong Zhang, Hua-Shan Zhao, Shi-Yong Zhu, Jin-Long Li
Di-(2-ethylhexyl)-phthalate (DEHP) is causing serious health hazard in wildlife animal and human through environment and food chain, including the effect of brain development and impacted neurobehavioral outcomes. However, DEHP exposure caused cerebellar toxicity in bird remains unclear. To evaluate DEHP-exerted potential neurotoxicity in cerebellum, male quails were exposed with 0, 250, 500 and 750 mg/kg BW/day DEHP by gavage treatment for 45 days. Neurobehavioral abnormality and cerebellar histopathological alternation were observed in DEHP-induced quails...
April 14, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28407861/influence-of-different-types-of-lamps-on-the-reproductive-development-of-male-japanese-quail-coturnix-coturnix-japonica
#7
Pâmela L Retes, Marcelo Espósito, Danusa G das Neves, Arabela G A Viana, Louise M Coelho, Manuel F Bobadilla-Mendez, Renata R Alvarenga, Edison J Fassani, Juliano V Peixoto, Márcio G Zangeronimo
Reproductive tract development during puberty is critical to reproductive performance, and the light is crucial in this process in birds. However, in male quail, there is little information on the effects of types of lamps, more specifically the wavelength emitted. Thus, the objective was to evaluate the effects of types of lamps on the reproductive performance of male Japanese quail (Coturnix coturnix japonica). Two hundred and forty male quail were exposed to six different types of lamp (incandescent, white fluorescent, or blue, white, red or green LED)...
May 2017: Theriogenology
https://www.readbyqxmd.com/read/28394503/accounting-for-linkage-disequilibrium-in-genome-scans-for-selection-without-individual-genotypes-the-local-score-approach
#8
María Inés Fariello, Simon Boitard, Sabine Mercier, David Robelin, Thomas Faraut, Cécile Arnould, Julien Recoquillay, Olivier Bouchez, Gérald Salin, Patrice Dehais, David Gourichon, Sophie Leroux, Frédérique Pitel, Christine Leterrier, Magali SanCristobal
Detecting genomic footprints of selection is an important step in the understanding of evolution. Accounting for linkage disequilibrium in genome scans increases detection power, but haplotype-based methods require individual genotypes and are not applicable on pool-sequenced samples. We propose to take advantage of the local score approach to account for linkage disequilibrium in genome scans for selection, cumulating (possibly small) signals from single markers over a genomic segment, to clearly pinpoint a selection signal...
April 10, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28390608/using-sildenafil-viagra-to-treat-congenital-lymphatic-malformations-of-the-head-and-neck-our-experience
#9
John Rocke, Gavin Quail, Graeme Copley
No abstract text is available yet for this article.
May 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28387355/transgenerational-transmission-of-a-stress-coping-phenotype-programmed-by-early-life-stress-in-the-japanese-quail
#10
Cédric Zimmer, Maria Larriva, Neeltje J Boogert, Karen A Spencer
An interesting aspect of developmental programming is the existence of transgenerational effects that influence offspring characteristics and performance later in life. These transgenerational effects have been hypothesized to allow individuals to cope better with predictable environmental fluctuations and thus facilitate adaptation to changing environments. Here, we test for the first time how early-life stress drives developmental programming and transgenerational effects of maternal exposure to early-life stress on several phenotypic traits in their offspring in a functionally relevant context using a fully factorial design...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28386121/the-fractal-organization-of-ultradian-rhythms-in-avian-behavior
#11
Diego A Guzmán, Ana G Flesia, Miguel A Aon, Stefania Pellegrini, Raúl H Marin, Jackelyn M Kembro
Living systems exhibit non-randomly organized biochemical, physiological, and behavioral processes that follow distinctive patterns. In particular, animal behavior displays both fractal dynamics and periodic rhythms yet the relationship between these two dynamic regimens remain unexplored. Herein we studied locomotor time series of visually isolated Japanese quails sampled every 0.5 s during 6.5 days (>10(6) data points). These high-resolution, week-long, time series enabled simultaneous evaluation of ultradian rhythms as well as fractal organization according to six different analytical methods that included Power Spectrum, Enright, Empirical Mode Decomposition, Wavelet, and Detrended Fluctuation analyses...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28384328/effect-of-serial-pig-passages-on-the-adaptation-of-an-avian-h9n2-influenza-virus-to-swine
#12
Jose Carlos Mancera Gracia, Silvie Van den Hoecke, Xavier Saelens, Kristien Van Reeth
H9N2 avian influenza viruses are endemic in poultry in Asia and the Middle East. These viruses sporadically cause dead-end infections in pigs and humans raising concerns about their potential to adapt to mammals or reassort with human or swine influenza viruses. We performed ten serial passages with an avian H9N2 virus (A/quail/Hong Kong/G1/1997) in influenza naïve pigs to assess the potential of this virus to adapt to swine. Virus replication in the entire respiratory tract and nasal virus excretion were examined after each passage and we deep sequenced viral genomic RNA of the parental and passage four H9N2 virus isolated from the nasal mucosa and lung...
2017: PloS One
https://www.readbyqxmd.com/read/28380350/tumor-associated-macrophages-suppress-the-cytotoxic-activity-of-antimitotic-agents
#13
Oakley C Olson, Hyunjung Kim, Daniela F Quail, Emily A Foley, Johanna A Joyce
Antimitotic agents, including Taxol, disrupt microtubule dynamics and cause a protracted mitotic arrest and subsequent cell death. Despite the broad utility of these drugs in breast cancer and other tumor types, clinical response remains variable. Tumor-associated macrophages (TAMs) suppress the duration of Taxol-induced mitotic arrest in breast cancer cells and promote earlier mitotic slippage. This correlates with a decrease in the phosphorylated form of histone H2AX (γH2AX), decreased p53 activation, and reduced cancer cell death in interphase...
April 4, 2017: Cell Reports
https://www.readbyqxmd.com/read/28373142/aflatoxins-produced-by-aspergillus-parasiticus-present-in-the-diet-of-quails-increase-the-activities-of-cholinesterase-and-adenosine-deaminase
#14
Aleksandro Schafer da Silva, Janio M Santurio, Lenilson F Roza, Nathieli B Bottari, Gabriela M Galli, Vera M Morsch, Maria Rosa C Schetinger, Matheus D Baldissera, Lenita M Stefani, Willian M Radavelli, Thainã Tomasi, Marcel M Boiago
The aim of this study was to evaluate the effects of aflatoxins on cholinesterases (acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), and adenosine deaminase (ADA) activities in quails. For this, twenty male quails were randomly distributed into two groups (n = 10 each): the group A was composed by quails that received feed without aflatoxin (the control group); while the group B was composed by quails that received feed contaminated with 200 ppm/kg of feed of aflatoxin. On day 20, the animals were euthanized to measure the activities of AChE (total blood and brain), BChE (serum) and ADA (serum, liver, and brain), as well as for histopathological analyses (liver and intestine)...
March 31, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28370610/size-dependent-isolation-of-primordial-germ-cells-from-avian-species
#15
Kyung M Jung, Young M Kim, Tamao Ono, Jae Y Han
Primordial germ cells (PGCs), the precursors of sperm or ova, could be used to generate transgenic animals and interspecies germ-line chimeras, which would facilitate the recovery of endangered species by making their access and manipulation in vitro easier. During early embryogenesis in avian species, PGCs are transported via the bloodstream to the gonadal anlagen. PGCs of most avian species-particularly wild or endangered birds-are not readily isolated from the embryonic bloodstream because germ-cell markers have not yet been defined for them...
March 30, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28359880/coordinated-movement-is-influenced-by-prenatal-light-experience-in-bobwhite-quail-chicks-colinus-virginianus
#16
Starlie C Belnap, Robert Lickliter
Sensory-motor development begins early during embryogenesis and is influenced by sensory experience. Little is known about the prenatal factors that influence the development of motor coordination. Here we investigated whether and to what extent prenatal light experience can influence the development of motor coordination in bobwhite quail hatchlings. Quail embryos were incubated under four light conditions: no light (dark), 2h of total light (2HR), 6h of total light (6HR), and diffused sunlight (controls)...
March 27, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28355309/the-differential-expression-of-mc1r-regulators-in-dorsal-and-ventral-quail-plumages-during-embryogenesis-implications-for-plumage-pattern-formation
#17
Thanh-Lan Gluckman, Nicholas I Mundy
Melanin pigmentation patterns are ubiquitous in animals and function in crypsis, physical protection, thermoregulation and signalling. In vertebrates, pigmentation patterns formed over large body regions as well as within appendages (hair/feathers) may be due to the differential distribution of pigment producing cells (melanocytes) and/or regulation of the melanin synthesis pathway. We took advantage of the pigmentation patterns of Japanese quail embryos (pale ventrum and patterned feathers dorsally) to explore the role of genes and their transcripts in regulating the function of the melanocortin-1-receptor (MC1R) via 1...
2017: PloS One
https://www.readbyqxmd.com/read/28348876/comparison-of-bacterial-genome-assembly-software-for-minion-data-and-their-applicability-to-medical-microbiology
#18
Kim Judge, Martin Hunt, Sandra Reuter, Alan Tracey, Michael A Quail, Julian Parkhill, Sharon J Peacock
Translating the Oxford Nanopore MinION sequencing technology into medical microbiology requires on-going analysis that keeps pace with technological improvements to the instrument and release of associated analysis software. Here, we use a multidrug-resistant Enterobacter kobei isolate as a model organism to compare open source software for the assembly of genome data, and relate this to the time taken to generate actionable information. Three software tools (PBcR, Canu and miniasm) were used to assemble MinION data and a fourth (SPAdes) was used to combine MinION and Illumina data to produce a hybrid assembly...
September 2016: Microbial Genomics
https://www.readbyqxmd.com/read/28348874/robust-high-throughput-prokaryote-de-novo-assembly-and-improvement-pipeline-for-illumina-data
#19
Andrew J Page, Nishadi De Silva, Martin Hunt, Michael A Quail, Julian Parkhill, Simon R Harris, Thomas D Otto, Jacqueline A Keane
The rapidly reducing cost of bacterial genome sequencing has lead to its routine use in large-scale microbial analysis. Though mapping approaches can be used to find differences relative to the reference, many bacteria are subject to constant evolutionary pressures resulting in events such as the loss and gain of mobile genetic elements, horizontal gene transfer through recombination and genomic rearrangements. De novo assembly is the reconstruction of the underlying genome sequence, an essential step to understanding bacterial genome diversity...
August 2016: Microbial Genomics
https://www.readbyqxmd.com/read/28344413/evaluation-of-some-heavy-metals-residues-in-batteries-and-deep-litter-rearing-systems-in-japanese-quail-meat-and-offal-in-egypt
#20
Ali M Ahmed, Dalia M Hamed, Nagwa T Elsharawy
AIM: The main objectives of this study were for comparing the effect of batteries and deep litter rearing systems of domesticated Japanese quail, Coturnix coturnix japonica, on the concentration levels of cadmium, copper, lead, and zinc from the quail meat and offal in Ismailia, Egypt. MATERIALS AND METHODS: A total of 40 quail meat and their offal samples were randomly collected from two main quail rearing systems: Battery (Group I) and deep litter system (Group II) for determination of concentration levels of cadmium, copper, lead, and zinc...
February 2017: Veterinary World
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