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https://www.readbyqxmd.com/read/28625206/organic-food-consumption-during-pregnancy-and-its-association-with-health-related-characteristics-the-koala-birth-cohort-study
#1
Ana Paula Simões-Wüst, Carolina Moltó-Puigmartí, Eugene Hjm Jansen, Martien Cjm van Dongen, Pieter C Dagnelie, Carel Thijs
OBJECTIVE: To investigate the associations of organic food consumption with maternal pre-pregnancy BMI, hypertension and diabetes in pregnancy, and several blood biomarkers of pregnant women. DESIGN: Prospective cohort study. SETTING: Pregnant women were recruited at midwives' practices and through channels related to consumption of food from organic origin. SUBJECTS: Pregnant women who filled in FFQ and donated a blood sample (n 1339)...
June 19, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28599794/a-novel-combination-adjuvant-platform-for-human-and-animal-vaccines
#2
Ravendra Garg, Lorne Babiuk, Sylvia van Drunen Littel-van den Hurk, Volker Gerdts
Adjuvants are crucial components of many vaccines. They are used to improve the immunogenicity of vaccines with the aim of conferring long-term protection, to enhance the efficacy of vaccines in newborns, elderly or immunocompromised persons, and to reduce the amount of antigen or the number of doses required to elicit effective immunity. Novel combination adjuvants have been tested in both candidate animals and humans vaccines and have generated encouraging results. Recently, we developed a combination adjuvant platform (TriAdj) comprising of three components, namely a TLR agonist, either polyI:C or CpG oligodeoxynucleotides (ODN), host defense peptide and polyphosphazene...
June 6, 2017: Vaccine
https://www.readbyqxmd.com/read/28575080/immunization-of-a-wild-koala-population-with-a-recombinant-chlamydia-pecorum-major-outer-membrane-protein-momp-or-polymorphic-membrane-protein-pmp-based-vaccine-new-insights-into-immune-response-protection-and-clearance
#3
Marion Desclozeaux, Amy Robbins, Martina Jelocnik, Shahneaz Ali Khan, Jon Hanger, Volker Gerdts, Andrew Potter, Adam Polkinghorne, Peter Timms
We assessed the effects of two different single-dose anti-Chlamydia pecorum (C. pecorum) vaccines (containing either Major Outer Membrane Protein (3MOMP) or Polymorphic Membrane Protein (Pmp) as antigens) on the immune response of a group of wild koalas. Both vaccines elicited a systemic humoral response as seen by the production of anti-chlamydial IgG antibodies in more than 90% of vaccinated koalas. A mucosal immune response was also observed, with an increase in Chlamydia-specific mucosal IgG and/or IgA antibodies in some koalas post-vaccination...
2017: PloS One
https://www.readbyqxmd.com/read/28560934/organic-food-consumption-during-pregnancy-is-associated-with-different-consumer-profiles-food-patterns-and-intake-the-koala-birth-cohort-study
#4
Ana Paula Simões-Wüst, Carolina Moltó-Puigmartí, Martien Cjm van Dongen, Pieter C Dagnelie, Carel Thijs
OBJECTIVE: To find out how the consumption of organic food during pregnancy is associated with consumer characteristics, dietary patterns and macro- and micronutrient intakes. DESIGN: Cross-sectional description of consumer characteristics, dietary patterns and macro- and micronutrient intakes associated with consumption of organic food during pregnancy. SETTING: Healthy, pregnant women recruited to a prospective cohort study at midwives' practices in the southern part of the Netherlands; to enrich the study with participants adhering to alternative lifestyles, pregnant women were recruited through various specific channels...
May 31, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28455999/pharmacokinetics-of-posaconazole-in-koalas-phascolarctos-cinereus-after-intravenous-and-oral-administration
#5
S Gharibi, B Kimble, L Vogelnest, J Barnes, C K Stadler, M Govendir
The pharmacokinetic profile of posaconazole in clinically normal koalas (n = 8) was investigated. Single doses of posaconazole were administered intravenously (i.v.; 3 mg/kg; n = 2) or orally (p.o.; 6 mg/kg; n = 6) with serial plasma samples collected over 24 and 36 hr, respectively. Plasma concentrations of posaconazole were quantified by validated high-performance liquid chromatography. A noncompartmental pharmacokinetic analysis of data was performed. Following i.v. administration, estimates of the median (range) of plasma clearance (CL) and steady-state volume of distribution (Vss ) were 0...
April 29, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28428288/complete-genome-sequence-of-the-streptococcus-gallolyticus-subsp-gallolyticus-strain-dsm-16831
#6
Imke Grimm, Jessika Dumke, Tanja Vollmer, Dennis Hinse, Christian Rückert, Jörn Kalinowski, Cornelius Knabbe, Jens Dreier
Streptococcus gallolyticus subsp. gallolyticus DSM 16831 is an intriguing strain because of its low virulent phenotype compared to other isolates. We present here the complete genome sequence for this strain isolated from koala feces.
April 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28363053/atypical-presentation-of-cryptococcus-neoformans-in-a-koala-phascolarctos-cinereus-a-magnetic-resonance-imaging-and-computed-tomography-study
#7
Eva Martínez-Nevado, Elisa González Alonso-Alegre, M Ángeles Jiménez Martínez, Alfonso Rodríguez-Álvaro, Elena Martínez de Merlo, Juncal García García, Isabel García Real
Cryptococcosis is a worldwide and potentially fatal mycosis documented in wild and captive koalas ( Phascolarctos cinereus ) caused by Cryptococcus neoformans . Though mainly a subclinical disease, when the nasal cavity is affected, epistaxis, mucopurulent nasal discharge, dyspnea, and facial distortion may occur. This report describes a case of cryptococcosis in a koala where unilateral exophthalmos was the only evident clinical sign and magnetic resonance imaging and computed tomography findings are described...
March 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28355168/associations-of-plasma-uric-acid-and-purine-metabolites-with-blood-pressure-in-children-the-koala-birth-cohort-study
#8
Lieke E J M Scheepers, Annelies Boonen, Wieke Pijnenburg, Jörgen Bierau, Jan A Staessen, Coen D A Stehouwer, Carel Thijs, Ilja C W Arts
OBJECTIVE: Elevated serum uric acid concentration has been associated with high blood pressure (BP) and hypertension. A putative underlying mechanism is the accumulation of reactive oxygen species when uric acid is generated by an increased enzyme activity of xanthine oxidase (XO). The aims of the present study were to investigate the associations between plasma uric acid concentration, purine metabolite ratios, as proxies for increased XO activity, and SBP and DBP in school-age children...
May 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28344572/gut-colonization-by-methanogenic-archaea-is-associated-with-organic-dairy-consumption-in-children
#9
Jeroen A A van de Pol, Niels van Best, Catherine A Mbakwa, Carel Thijs, Paul H Savelkoul, Ilja C W Arts, Mathias W Hornef, Monique Mommers, John Penders
The gut microbiota represents a complex and diverse ecosystem with a profound impact on human health, promoting immune maturation, and host metabolism as well as colonization resistance. Important members that have often been disregarded are the methanogenic archaea. Methanogenic archaea reduce hydrogen levels via the production of methane, thereby stimulating food fermentation by saccharolytic bacteria. On the other hand, colonization by archaea has been suggested to promote a number of gastrointestinal and metabolic diseases such as colorectal cancer, inflammatory bowel disease, and obesity...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28274187/bioaugmentation-of-the-anaerobic-digestion-of-food-waste-by-dungs-of-herbivore-carnivore-and-omnivore-zoo-animals
#10
Javkhlan Ariunbaatar, Onur Ozcan, Robert Bair, Giovanni Esposito, Ray Ball, Piet N L Lens, Daniel H Yeh
The potential improvement of biomethanation of food waste (FW) by adding dung of herbivore (giraffe, llama, koala), carnivore (tiger), and omnivore (sloth bear) animals to anaerobic sludge (AnS) was investigated. Adding 30% giraffe, sloth bear or koala dung to the AnS inoculum yielded, respectively, a 11.17 (±4.51), 10.10 (±1.23), and 1.41 (±0.56)% higher biomethane production, as compared to the control (FW with solely AnS). The highest biomethane production of 564.00 (±3.88) ml CH4/gVSadded obtained with 30% giraffe dung and 70% AnS was attributed to a higher solubilization of proteins (6...
March 27, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28273935/infection-with-koala-retrovirus-subgroup-b-korv-b-but-not-korv-a-is-associated-with-chlamydial-disease-in-free-ranging-koalas-phascolarctos-cinereus
#11
Courtney A Waugh, Jonathan Hanger, Joanne Loader, Andrew King, Matthew Hobbs, Rebecca Johnson, Peter Timms
The virulence of chlamydial infection in wild koalas is highly variable between individuals. Some koalas can be infected (PCR positive) with Chlamydia for long periods but remain asymptomatic, whereas others develop clinical disease. Chlamydia in the koala has traditionally been studied without regard to coinfection with other pathogens, although koalas are usually subject to infection with koala retrovirus (KoRV). Retroviruses can be immunosuppressive, and there is evidence of an immunosuppressive effect of KoRV in vitro...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28266284/koala-retrovirus-genotyping-analyses-reveal-a-low-prevalence-of-korv-a-in-victorian-koalas-and-an-association-with-clinical-disease
#12
Alistair R Legione, Jade L S Patterson, Pam Whiteley, Simon M Firestone, Megan Curnick, Kate Bodley, Michael Lynch, James R Gilkerson, Fiona M Sansom, Joanne M Devlin
PURPOSE: Koala retrovirus (KoRV) is undergoing endogenization into the genome of koalas in Australia, providing an opportunity to assess the effect of retrovirus infection on the health of a population. The prevalence of KoRV in north-eastern Australia (Queensland and New South Wales) is 100 %, whereas previous preliminary investigations in south-eastern Australia (Victoria) suggested KoRV is present at a lower prevalence, although the values have varied widely. Here, we describe a large study of free-ranging koalas in Victoria to estimate the prevalence of KoRV and assess the clinical significance of KoRV infection in wild koalas...
February 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28218272/decline-causes-of-koalas-in-south-east-queensland-australia-a-17-year-retrospective-study-of-mortality-and-morbidity
#13
Viviana Gonzalez-Astudillo, Rachel Allavena, Allan McKinnon, Rebecca Larkin, Joerg Henning
Koala populations are in catastrophic decline in certain eastern Australian regions. Spanning from 1997-2013, a database derived from wildlife hospitals in southeast Queensland with N = 20,250 entries was classified by causes of morbidity and mortality. A total of 11 aetiologies were identified, with chlamydiosis, trauma, and wasting being most common. The clinical diagnosis at submission varied significantly over the observation period. Combinations of aetiologies were observed in 39% of koalas submitted, with chlamydiosis frequently co-occurring...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28122598/novel-chlamydiales-genotypes-identified-in-ticks-from-australian-wildlife
#14
Delaney Burnard, Haylee Weaver, Amber Gillett, Joanne Loader, Cheyne Flanagan, Adam Polkinghorne
BACKGROUND: Members of the order Chlamydiales are known for their potential as human and veterinary bacterial pathogens. Despite this recognition, epidemiological factors such as routes of transmission are yet to be fully defined. Ticks are well known vectors for many other infections with several reports recently describing the presence of bacteria in the order Chlamydiales in these arthropods. Australian wildlife are hosts to an extensive range of tick species. Evidence is also growing that the marsupial hosts these ticks parasitise can also be infected by a number of bacteria in the order Chlamydiales, with at least one species, Chlamydia pecorum, posing a significant conservation threat...
January 26, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28032537/koala-retrovirus-korv-genotyping-analyses-reveal-a-low-prevalence-of-korv-a-in-victorian-koalas-and-an-association-with-clinical-disease
#15
Alistair Raymond Legione, Jade L S Patterson, Pam Whiteley, Simon M Firestone, Megan Curnick, Kate Bodley, Michael Lynch, James R Gilkerson, Fiona M Sansom, Joanne M Devlin
Koala retrovirus (KoRV) is currently undergoing endogenisation into the genome of koalas in Australia, providing an opportunity to assess the effect of retrovirus infection on the health of a population. The prevalence of KoRV in north eastern Australia (Queensland and New South Wales) is 100%, whereas previous preliminary investigations in south eastern Australia (Victoria) suggested KoRV is present at a lower prevalence, although the values have varied widely. Here we describe a large study of free ranging koalas in Victoria to estimate the prevalence of KoRV and assess the clinical significance of KoRV infection in wild koalas...
December 28, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28026882/supplemental-feeding-of-captive-neonatal-koalas-phascolarctos-cinereus
#16
Eri Shibata, Izumi Shindo, Etsuko Miyakawa, Nobuhide Kido
Koalas (Phascolarctos cinereus) are cautious animals, making supplemental feeding of neonates challenging because of disturbances to the normal routine. However, supplemental feeding is beneficial in improving juvenile nutrition using less formula than required for hand-rearing, and allowing maternal bonding to continue through suckling. In this study, two neonatal koalas, delivered by the same mother in 2 years, exhibited insufficient growth post-emergence from the pouch; supplemental feeding was therefore initiated...
January 2017: Zoo Biology
https://www.readbyqxmd.com/read/28001295/gradients-in-cytoarchitectural-landscapes-of-the-isocortex-diprotodont-marsupials-in-comparison-to-eutherian-mammals
#17
Christine J Charvet, Cheryl D Stimpson, Young Do Kim, Mary Ann Raghanti, Albert H Lewandowski, Patrick R Hof, Aida Gómez-Robles, Fenna M Krienen, Chet C Sherwood
Although it has been claimed that marsupials possess a lower density of isocortical neurons compared with other mammals, little is known about cross-cortical variation in neuron distributions in this diverse taxonomic group. We quantified upper-layer (layers II-IV) and lower-layer (layers V-VI) neuron numbers per unit of cortical surface area in three diprotodont marsupial species (two macropodiformes, the red kangaroo and the parma wallaby, and a vombatiform, the koala) and compared these results to eutherian mammals (e...
June 1, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/27999419/transspecies-transmission-of-gammaretroviruses-and-the-origin-of-the-gibbon-ape-leukaemia-virus-galv-and-the-koala-retrovirus-korv
#18
REVIEW
Joachim Denner
Transspecies transmission of retroviruses is a frequent event, and the human immunodeficiency virus-1 (HIV-1) is a well-known example. The gibbon ape leukaemia virus (GaLV) and koala retrovirus (KoRV), two gammaretroviruses, are also the result of a transspecies transmission, however from a still unknown host. Related retroviruses have been found in Southeast Asian mice although the sequence similarity was limited. Viruses with a higher sequence homology were isolated from Melomys burtoni, the Australian and Indonesian grassland melomys...
December 20, 2016: Viruses
https://www.readbyqxmd.com/read/27939160/chlamydial-infections-in-wildlife-conservation-threats-and-or-reservoirs-of-spill-over-infections
#19
REVIEW
Delaney Burnard, Adam Polkinghorne
Members of the order Chlamydiales are biphasic intracellular pathogens known to cause disease in both humans and animals. As we learn more about the genetic diversity of this group of pathogens, evidence is growing that these bacteria infect a broader range of animal hosts than previously thought. Over 400 host species are now documented globally with the majority of these being wild animals. Given the impact of chlamydial infections on humans and domesticated animals, the identification of members of the order Chlamydiales in wildlife raises significant questions over a) their impact on animal health and b) the relationships to those strains also found in humans and domestic animals...
November 30, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/27881767/daylight-saving-time-can-decrease-the-frequency-of-wildlife-vehicle-collisions
#20
William A Ellis, Sean I FitzGibbon, Benjamin J Barth, Amanda C Niehaus, Gwendolyn K David, Brendan D Taylor, Helena Matsushige, Alistair Melzer, Fred B Bercovitch, Frank Carrick, Darryl N Jones, Cathryn Dexter, Amber Gillett, Martin Predavec, Dan Lunney, Robbie S Wilson
Daylight saving time (DST) could reduce collisions with wildlife by changing the timing of commuter traffic relative to the behaviour of nocturnal animals. To test this idea, we tracked wild koalas (Phascolarctos cinereus) in southeast Queensland, where koalas have declined by 80% in the last 20 years, and compared their movements with traffic patterns along roads where they are often killed. Using a simple model, we found that DST could decrease collisions with koalas by 8% on weekdays and 11% at weekends, simply by shifting the timing of traffic relative to darkness...
November 2016: Biology Letters
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