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https://www.readbyqxmd.com/read/28644079/a-disseminated-cryptococcus-gattii-vgiia-infection-in-a-citron-crested-cockatoo-cacatua-sulphurea-citrinocristata-in-qu%C3%A3-bec-canada
#1
Édouard O Maccolini, Philippe J Dufresne, Sophie Ann Aschenbroich, Brittany McHale, Julie-Hélène Fairbrother, Christian Bédard, Julie A Hébert
Cryptococcus gattii infection in mammals and birds has been confined historically to tropical and subtropical regions in Australia, Southeast Asia, Africa, and South America. Since the early 2000s, numerous reports describe the emergence of C. gattii on the Pacific Coast of North America. We report on a C. gattii infection in an 8-year-old male citron-crested cockatoo (Cacatua sulphurea citrinocristata) hatched on the Canadian Pacific Coast and raised in the province of Québec, Canada. The bird developed a slow growing ulcerated, fleshy, crusty, and hemorrhagic mass infiltrating the left lower rhamphotheca...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28643920/analysis-of-polycaprolactone-scaffolds-fabricated-via-precision-extrusion-deposition-for-control-of-craniofacial-tissue-mineralization
#2
C W Fedore, L Y L Tse, H K Nam, K L Barton, N E Hatch
OBJECTIVES: Recurrence of cranial bone fusion following surgical resection in craniosynostosis patients commonly requires additional surgical procedures. Surgical implantation of engineered 3D scaffolds that control tissue mineralization could be utilized to diminish recurrence of fusion. This study investigated the ability of composite scaffolds to control tissue mineralization when cultured in vitro. SETTING AND SAMPLE POPULATION: Precision-engineered scaffolds with calvarial cells were cultured in vitro at the Department of Orthodontics and Pediatric Dentistry, University of Michigan...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643227/preparation-and-characterization-of-alginate-microparticles-containing-a-model-protein-for-oral-administration-in-gnotobiotic-european-sea-bass-dicentrarchus-labrax-larvae
#3
Eamy Nursaliza Yaacob, Jens Goethals, Aline Bajek, Kristof Dierckens, Peter Bossier, Bruno G De Geest, Daisy Vanrompay
Aquaculture is the fastest growing animal production sector. However, the production of marine fish is still hampered by the high mortality rate in the first few weeks after hatching. Mortality in larvae is often caused by microbial infections. Today, the incorporation of immunostimulants into microparticles provides us new tools to enhance disease resistance in marine larviculture. In this study, we prepared alginate microparticles loaded with the model antigen fluorescein isothiocyanate conjugated-bovine serum albumin...
June 22, 2017: Marine Biotechnology
https://www.readbyqxmd.com/read/28642479/a-genetically-enhanced-sterile-insect-technique-against-the-fruit-fly-bactrocera-dorsalis-hendel-by-feeding-adult-double-stranded-rnas
#4
Muhammad Waqar Ali, Wenping Zheng, Summar Sohail, Qingmei Li, Weiwei Zheng, Hongyu Zhang
RNAi based sterile insect technique (SIT) is an authentic insect management approach but requires proper target genes. During this study, spermless males were developed by interfering with germ cell differentiation and azoospermia related genes. Data demonstrates significant reductions in the target genes expressions (boul, zpg, dsx (M) , fzo and gas8) after oral dsRNAs administration. Knock down of target genes significantly affected the reproductive ability of males and reduced egg-hatching as compared to the control group...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641596/types-and-prevalence-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-poultry
#5
Eva-Maria Saliu, Wilfried Vahjen, Jürgen Zentek
For several billion years, bacteria have developed mechanisms to resist antibacterial substances. In modern time, antibiotics are frequently used in veterinary and human medicine for prevention and treatment of diseases, globally still also for their growth promoting effects as feed additives. This complex situation has evolved in accelerating development and prevalence of multi-drug resistant bacteria in livestock and people. Extended-spectrum beta-lactamase (ESBL) producing bacteria are resistant to a wide range of ß-lactam antibiotics...
June 23, 2017: Animal Health Research Reviews
https://www.readbyqxmd.com/read/28641395/effect-of-in-ovo-injection-of-corticotropin-releasing-hormone-on-the-timing-of-hatching-in-broiler-chickens
#6
Yugo Watanabe, Sylvia V H Grommen, Bert De Groef
In chicken embryos, intravenous injection of corticotropin-releasing hormone (CRH) causes the release of both corticosteroids and thyroid hormones. These hormones initiate and enhance the hatching process, raising the possibility that CRH treatment of the late chicken embryo could accelerate hatching and/or decrease the spread of hatching. We performed a series of exploratory tests to investigate whether in ovo delivery methods of CRH other than intravenous injection that are more practical in a commercial setting, affect hatching time in broilers...
June 21, 2017: Poultry Science
https://www.readbyqxmd.com/read/28639024/nematicidal-potential-of-hydrolates-from-the-semi-industrial-vapor-pressure-extraction-of-spanish-aromatic-plants
#7
Maria Fe Andrés, Azucena González-Coloma, Ruben Muñoz, Felipe De la Peña, Luis Fernando Julio, Jesus Burillo
The nematicidal activity of hydrolate by-products from the semi industrial vapor-pressure essential oil extraction of selected aromatic plant species (commercial: Lavandula × intermedia Emeric ex Loisel. var. super, Thymus vulgaris L., T. zygis Loefl ex L. and experimentally pre-domesticated: L. luisieri (Rozeira) Rivas-Martínez) was investigated against the root-knot nematode Meloidogyne javanica by in vitro and in vivo bioassays. Liquid-liquid extraction of hydrolates yielded the corresponding aqueous and organic fractions which were biological and chemically studied...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28638317/emergence-time-and-skin-melanin-spot-patterns-do-not-correlate-with-growth-performance-social-competitive-ability-or-stress-response-in-farmed-rainbow-trout
#8
Manuel Gesto, Peter V Skov, Alfred Jokumsen
In wild salmonid fish, specific individual behavioral traits have been correlated with the timing of fry emergence from their gravel spawning nests; Early emerging fish display more aggressive behavior and have a higher probability of becoming socially dominant, compared to fish that emerge at a later stage. Apart from aggression and dominance, other behavioral and metabolic traits, such as boldness, metabolic rate, or growth, have also been linked to emergence time. Altogether, the traits of early- and late-emerging fish resemble those of the proactive and reactive stress-coping style, respectively...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28637527/rodents-goats-and-dogs-their-potential-roles-in-the-transmission-of-schistosomiasis-in-china
#9
Clare F VAN Dorssen, Catherine A Gordon, Yuesheng Li, Gail M Williams, Yuanyuan Wang, Zhenhua Luo, Geoffrey N Gobert, Hong You, Donald P McManus, Darren J Gray
Schistosomiasis in China has been substantially reduced due to an effective control programme employing various measures including bovine and human chemotherapy, and the removal of bovines from endemic areas. To fulfil elimination targets, it will be necessary to identify other possible reservoir hosts for Schistosoma japonicum and include them in future control efforts. This study determined the infection prevalence of S. japonicum in rodents (0-9·21%), dogs (0-18·37%) and goats (6·9-46·4%) from the Dongting Lake area of Hunan province, using a combination of traditional coproparasitological techniques (miracidial hatching technique and Kato-Katz thick smear technique) and molecular methods [quantitative real-time PCR (qPCR) and droplet digital PCR (ddPCR)]...
June 22, 2017: Parasitology
https://www.readbyqxmd.com/read/28636949/cloning-expression-and-nutritional-regulation-of-the-glutamine-synthetase-gene-in-ctenopharyngodon-idellus
#10
Rong Hu, Fufa Qu, Jianzhou Tang, Qiong Zhao, Jinpeng Yan, Zhigang Zhou, Yi Zhou, Zhen Liu
Glutamine synthetase (GS) is considered a master enzyme that catalyses ATP-dependent biosynthesis of glutamine from glutamate. In the present study, the GS gene was cloned from the intestine of grass carp, (Ctenopharyngodon idellus). The full-length cDNA sequence of GS encodes a 371-amino-acid polypetide. Phylogenetic analysis of the C. idellus GS sequence reveals common carp (Cyprinus carpio) as its closest neighbor. GS mRNA was differentially expressed in different tissues, with high to low gradient expression the intestine, brain, muscle, heart, gill, liver, pituitary gland, and spleen...
June 18, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28636430/when-is-embryonic-arrest-broken-in-turtle-eggs
#11
Sean A Williamson, Roger G Evans, Richard D Reina
Turtle embryos enter a state of arrested development in the oviduct, allowing the mother greater flexibility in her reproductive schedule. Development recommences once eggs transition from the hypoxic oviduct to the normoxic nest. Significant mortality can occur if turtle eggs are moved between 12 h and 20 d after oviposition, and this is linked to the recommencement of embryonic development. To better understand the timing of developmental arrest and to determine how movement-induced mortality might be avoided, we determined the latency (i...
September 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28636279/effects-of-in-ovo-injection-of-chrysin-quercetin-and-ascorbic-acid-on-hatchability-somatic-attributes-hepatic-oxidative-status-and-early-post-hatch-performance-of-broiler-chicks
#12
F Khaligh, A Hassanabadi, H Nassiri-Moghaddam, A Golian, G-A Kalidari
An experiment was conducted to evaluate the effects of in ovo injection of chrysin, quercetin and ascorbic acid on hatchability, somatic attributes, hepatic antioxidant status and early post-hatch growth performance of broiler chicks. Four hundred and eighty embryonated broiler breeder eggs containing live 18-day-old embryos were divided into six groups of 80 eggs each. One group remained intact and served as a control group (i), whereas the other five groups were injected with the prepared injection solutions as follows: (ii) 0...
June 21, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28635581/first-report-on-the-successful-hybridization-of-pangasianodon-hypophthalmus-sauvage-1878-and-clarias-gariepinus-burchell-1822
#13
V T Okomoda, I C C Koh, M S Shahreza
Breeding and larval performance of novel hybrids from reciprocal crosses of Asian catfish Pangasianodon hypophthalmus (Sauvage, 1878) and African catfish Clarias gariepinus (Burchell, 1822) were investigated in this study. Spawning was by hormonal injection of brood fish, artificial fertilization, and incubation in triplicate aquarium tanks (0.5 × 0.5 × 0.5 m3) with continuous aeration. Reciprocal crosses (♀C. gariepinus × ♂P. hypophthalmus and ♀P. hypophthalmus × ♂C. gariepinus) had lower hatchability (≤50%) than their pure siblings (≥75%)...
June 21, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28634407/analysis-of-survival-and-hatching-transcriptomes-from-potato-cyst-nematodes-globodera-rostochiensis-and-g-pallida
#14
Marc-Olivier Duceppe, Joël Lafond-Lapalme, Juan Emilio Palomares-Rius, Michaël Sabeh, Vivian Blok, Peter Moffett, Benjamin Mimee
Potato cyst nematodes (PCNs), Globodera rostochiensis and G. pallida, cause important economic losses. They are hard to manage because of their ability to remain dormant in soil for many years. Although general knowledge about these plant parasitic nematodes has considerably increased over the past decades, very little is known about molecular events involved in cyst dormancy and hatching, two key steps of their development. Here, we have studied the progression of PCN transcriptomes from dry cysts to hatched juveniles using RNA-Seq...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28634273/the-c-elegans-vapb-homolog-vpr-1-is-a-permissive-signal-for-gonad-development
#15
Pauline A Cottee, Tim Cole, Jessica Schultz, Hieu D Hoang, Jack Vibbert, Sung Min Han, Michael A Miller
VAMP/synaptobrevin-associated proteins (VAPs) contain an N-terminal major sperm protein domain (MSPd) that is associated with amyotrophic lateral sclerosis. VAPs have an intracellular housekeeping function, as well as an extracellular signaling function mediated by the secreted MSPd. Here we show that the C. elegans VAP homolog VPR-1 is essential for gonad development. vpr-1 null mutants are maternal effect sterile due to arrested gonadogenesis following embryo hatching. Somatic gonadal precursor cells and germ cells fail to proliferate fully and complete their respective differentiation programs...
June 15, 2017: Development
https://www.readbyqxmd.com/read/28632173/gene-expression-profiling-reveals-potential-players-of-left-right-asymmetry-in-female-chicken-gonads
#16
Zhiyi Wan, Yanan Lu, Lei Rui, Xiaoxue Yu, Fang Yang, Chengfang Tu, Zandong Li
Most female birds develop only a left ovary, whereas males develop bilateral testes. The mechanism underlying this process is still not completely understood. Here, we provide a comprehensive transcriptional analysis of female chicken gonads and identify novel candidate side-biased genes. RNA-Seq analysis was carried out on total RNA harvested from the left and right gonads on embryonic day 6 (E6), E12, and post-hatching day 1 (D1). By comparing the gene expression profiles between the left and right gonads, 347 differentially expressed genes (DEGs) were obtained on E6, 3730 were obtained on E12, and 2787 were obtained on D1...
June 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28631836/medaka-extended-one-generation-reproduction-test-meogrt-evaluating-4-nonylphenol
#17
Haruna Watanabe, Yoshifumi Horie, Hitomi Takanobu, Masaaki Koshio, Taisen Iguchi, Norihisa Tatarazako
The Medaka Extended One-Generation Test (MEOGRT) was developed as a multi-generational toxicity test for chemicals, particularly endocrine disrupting chemicals. Briefly, 3 generations of Japanese medaka (Oryzias latipes) are exposed to a chemical over a 20-week period: 3-week in the parental generation (F0), 15-week in the first generation (F1), and 2-week in the second generation (F2). The present study reports the first MEOGRT results concerning branched isomer mixtures of 4-nonylphenol (NP). Adult F0 medaka exposed to NP at 5 actual concentrations (1...
June 20, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28631588/spawning-performance-of-clarias-gariepinus-burchell-1822-induced-with-ethanol-preserved-and-fresh-catfish-pituitary-extract
#18
V T Okomoda, L O Tiamiyu, D Kwaghger
This study was conducted to determine the efficacy of preserved and fresh pituitary extract of Clarias gariepinus (Burchell, 1822) to induced spawning in the same species. Growth performance of fry was also monitored for 15 days to determine the possible effect of natural hormone treatment on the fry. Pituitary glands (PG) were obtained from 12 male broodstocks, six extracted PG were preserved in 96% ethanol 24 h before injection, while the other were extracted and used in their fresh state. The PG solutions (1 g ml-1 of saline water) were injected at 1 ml kg-1 of the female broodstock...
June 20, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28631127/toxicity-of-cypermethrin-on-the-embryo-and-larvae-of-gangetic-mystus-mystus-cavasius
#19
Md Haider Ali, Kizar Ahmed Sumon, Marin Sultana, Harunur Rashid
The objective of the present study was to elucidate the effects of cypermethrin on the embryo and the larvae of Gangetic mystus, Mystus cavasius. Therefore, fertilized eggs (n = 100) and 1-day-old larvae (n = 100) were exposed to six different concentrations of cypermethrin (0, 2, 4, 8, 16 and 32 μg L(-1)) in each of the 18 plastic bowls. Each of the treatment and control was maintained in three replicates. The LC10 and LC50 values for Gangetic mystus embryos and larvae were calculated using probit analysis...
June 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28631031/metals-in-blood-and-eggs-of-green-sea-turtles-chelonia-mydas-from-nesting-colonies-of-the-northern-coast-of-the-sea-of-oman
#20
Mahmood Sinaei, Mehdi Bolouki
The green sea turtle (Chelonia mydas) has been a species of global concern for decades. In this study, heavy metals (mercury: Hg; Cadmium: Cd; Lead: Pb; Copper: Cu; and Zinc: Zn) were measured in blood and three egg fraction of green sea turtles nesting on the northern coast of Sea of Oman. Heavy metals concentrations in blood, yolk, albumen, and egg shell ranged between 0.16-36.78, 0.006-33.88, 0.003-4.02, and 0.002-6.85 μg/g (ww), respectively. According to the results, all heavy metals found in blood samples (n = 12) also were detected in the various parts of the eggs (n = 48)...
June 19, 2017: Archives of Environmental Contamination and Toxicology
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