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Samantha M Peneyra, Jose Cardona-Costa, Julie White, Christopher M Whipps, Elyn R Riedel, Neil S Lipman, Christine Lieggi
Pseudoloma neurophilia, a microsporidium that primarily infects neural tissues, is a common pathogen in laboratory zebrafish. The risk of parasite transmission with different spawning apparatuses and the effectiveness of disinfection are unknown. In this study, we spawned uninfected zebrafish with P. neurophilia-infected zebrafish in either 50 L mass spawning chambers (MSCs) or 1 L standard breeding tanks (BTs). Fish were spawned once or thrice, with and without chamber disinfection between uses, to evaluate risk of vertical and horizontal transmission...
October 19, 2017: Zebrafish
William D Helenbrook, Stephen V Stehman, William M Shields, Christopher M Whipps
Forest disturbance and human encroachment have the potential to influence intestinal parasite communities in animal hosts by modifying nutritional health, physiological stress, host densities, contact rates, and ranging patterns. Anthropogenic disturbances also have the ability to affect the ecological landscape of parasitic disease, potentially impacting the health of both wildlife and people. Our research investigated the association of forest disturbance and human encroachment on intestinal parasite communities in mantled howler monkeys, Alouatta palliata aequatorialis...
2017: Folia Primatologica; International Journal of Primatology
Sayef Laamiri
First parasitological surveys of Myxozoa are performed on the sparid saddled seabream Oblada melanura (Linnaeus, 1758) and the serranid painted comber Serranus scriba (Linnaeus, 1758) caught from the Bay of Bizerte and the Gulf of Tunis respectively in Northeast Tunisia, Western Mediterranean. In this study, 6 bivalvulid myxosporean species belonging to the 3 genera Ceratomyxa Thélohan, 1892, Myxodavisia Zhao, Zhou, Kent & Whipps, 2008 and Zschokkella Auerbach, 1910, are isolated infecting their hosts. Two species Ceratomyxa sp...
May 19, 2017: Zootaxa
C T Chang, K M Doerr, C M Whipps
Zebrafish (Danio rerio) are a popular model organism used in a growing number of research fields. Maintaining healthy, disease-free laboratory fish is important for the integrity of many of these studies. Mycobacteriosis is a chronic bacterial infection caused by several Mycobacterium spp. and is the second most common disease found in laboratory zebrafish. Current mycobacteriosis control measures recommend the removal of infected fish and in severe outbreaks, depopulation. These measures can be effective, but less disruptive measures should be assessed for controlling mycobacteriosis, particularly when valuable and rare lines of fish are affected...
October 2017: Journal of Fish Diseases
Alessandra Jordano Conforte, Fábia Guimarães-Dias, Anna Cristina Neves-Borges, Marta Bencke-Malato, Durvalina Felix-Whipps, Márcio Alves-Ferreira
Drought stress is the main limiting factor of soybean yield. Currently, genetic engineering has been one important tool in the development of drought-tolerant cultivars. A widely used strategy is the fusion of genes that confer tolerance under the control of the CaMV35S constitutive promoter; however, stress-responsive promoters would constitute the best alternative to the generation of drought-tolerant crops. We characterized the promoter of α-galactosidase soybean (GlymaGAL) gene that was previously identified as highly up-regulated by drought stress...
2017: Genetics and Molecular Biology
Katrina Alger, Elizabeth Bunting, Krysten Schuler, Christopher M Whipps
Lymphoproliferative disease virus (LPDV) is an oncogenic avian retrovirus that was previously thought to exclusively infect domestic turkeys but was recently shown to be widespread in Wild Turkeys ( Meleagris gallopavo ) throughout most of the eastern US. In commercial flocks, the virus spreads between birds housed in close quarters, but there is little information about potential risk factors for infection in wild birds. Initial studies focused on distribution of LPDV nationally, but investigation of state-level data is necessary to assess potential predictors of infection and detect patterns in disease prevalence and distribution...
July 2017: Journal of Wildlife Diseases
Hirokazu Yoshikawa, Mackenzie D M Whipps, Natalia M Rojas
This special section of Child Development brings together experts in developmental science and intervention research to incorporate current evidence on resilience for vulnerable populations and give concrete suggestions for action and research. This commentary synthesizes the contributions of the articles, noting themes such as simultaneous attention to multiple risk, protective, and promotive processes; integrating new principles from clinical and therapeutic interventions; and adapting intervention approaches for new populations...
March 2017: Child Development
Mackenzie D M Whipps
BACKGROUND: Prior research in high-income countries finds that young mothers tend to breastfeed their infants for shorter durations than older mothers; however, there are gaps in our understanding of the processes by which age influences breastfeeding. Research aim: The primary objective of this study was to test the mediating effects of parity and education attainment on the association between maternal age and two breastfeeding outcomes: total duration and duration of exclusive breastfeeding...
February 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
Lauren McGurk, Reeba Oliver, Funlayo Odejinmi
BACKGROUND: In clinical practice, the current trend for surgical hysterectomy for the large uterus is by laparotomy, where vaginal hysterectomy is not feasible. The benefits of a laparoscopic approach to hysterectomy are well documented, but limited literature is available on laparoscopic hysterectomy in the larger uterus. A supracervical hysterectomy should be considered for women, where there is no contraindication to a residual cervix. OBJECTIVE: To compare surgical outcomes for laparoscopic supracervical hysterectomy (LSH) in the large uterus (equal or greater than 500 g) compared with normal (<500 g), results were compared to the limited literature on this topic...
February 2017: Archives of Gynecology and Obstetrics
James Knox, Snehal Jadhav, Danielle Sevior, Alex Agyekum, Margaret Whipp, Lynette Waring, Jonathan Iredell, Enzo Palombo
No abstract text is available yet for this article.
February 2016: Pathology
Christopher James Whipp, Pierre-Yves Daoust, Gary Conboy, Hans Gelens
A large abdominal mass containing numerous cysticerci identified as those of Taenia crassiceps (=Cysticercus longicollis) was found in the pelvic region of the abdominal cavity of a severely constipated and emaciated red fox ( Vulpes vulpes ) in Prince Edward Island, Canada. Cysticercosis has not previously been reported in a wild canid in North America.
January 2017: Journal of Wildlife Diseases
Mackenzie D M Whipps, Hirokazu Yoshikawa
More than 4 million unauthorized parents of legal status children currently reside in the United States (Capps, Fix, & Zong, 2016). Developmental scientists and intervention researchers hoping to work with these mixed-status families face a myriad of challenges, largely generated from the population's policy-driven social exclusion. Despite the challenges, there is a moral imperative to work with and support parents and children currently living in mixed-status households. This chapter applies a social justice perspective, largely stemming from Prilleltensky's critical community psychological framework, to improve the relevance and usefulness of research on mixed-status families (Prilleltensky & Nelson, 1997)...
2016: Advances in Child Development and Behavior
S J Ryan, E J Gavard, A E Cheeseman, J B Cohen, C M Whipps
From June 2014 to June 2015, capillary tube collections of blood were obtained concurrently with ear clips of trapped free-ranging, globally vulnerable New England cottontails (NEC; Sylvilagus transitionalis) and eastern cottontail rabbits (EC; Sylvilagus floridanus) in the Hudson Valley region of New York, United States. Species identification (NEC, EC) and sex (NEC) were determined genetically using a mitochondrial DNA assay and Y chromosome marker, respectively. Hematocrit values were obtained using a microhematocrit centrifuge...
June 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Carolyn T Chang, Jeffrey D Amack, Christopher M Whipps
Mycobacteriosis is a common bacterial infection in laboratory zebrafish caused by several different species and strains of Mycobacterium, including both rapid and slow growers. One control measure used to prevent mycobacterial spread within and between facilities is surface disinfection of eggs. Recent studies have highlighted the effectiveness of povidone-iodine (PVPI) on preventing propagation of Mycobacterium spp. found in zebrafish colonies. We evaluated the effect of disinfection using 12.5-50 ppm PVPI (unbuffered and buffered) on zebrafish exposed at 6 or 24 h postfertilization (hpf) to determine if this treatment is suitable for use in research zebrafish...
July 2016: Zebrafish
Timothy Mason, Kathy Snell, Erika Mittge, Ellie Melancon, Rebecca Montgomery, Marcie McFadden, Javier Camoriano, Michael L Kent, Christopher M Whipps, Judy Peirce
In 2011, the zebrafish research facility at the University of Oregon experienced an outbreak of Mycobacterium marinum that affected both research fish and facility staff. A thorough review of risks to personnel, the zebrafish veterinary care program, and zebrafish husbandry procedures at the research facility followed. In the years since 2011, changes have been implemented throughout the research facility to protect the personnel, the fish colony, and ultimately the continued success of the zebrafish model research program...
July 2016: Zebrafish
Aouatef Thabet, Sabiha Tlig-Zouari, Suliman Y Al Omar, Lamjed Mansour
During examination of some species of the family Mugilidae, two coelozoic myxozoans were observed in the gall-bladder of the leaping mullet, Liza saliens (Risso). Spore morphology allowed us to allocate them to the genus Ellipsomyxa Køie, 2003, one of which is described here as new. Ellipsomyxa kalthoumi n. sp. was observed forming globular pseudoplasmodia and free spores floating in the bile. Mature spores are ellipsoidal, measuring 13-21 × 10-15 (17.2 × 13.2) µm and possessing two equal spherical polar capsules, 5-6 (5...
July 2016: Systematic Parasitology
Yanhua Zhai, Christopher M Whipps, Zemao Gu, Qingxiang Guo, Zizhen Wu, Hongmei Wang, Yang Liu
Morphometric data from spores of ten myxosporean species were statistically analysed to explore myxosporean intraspecific variation in measurements when obtained from a sample from: (1) the same plasmodium, (2) different plasmodia from the same host and (3) different host individuals and localities. In some cases, significant differences in spore dimensions were found between samples from the same plasmodium, highlighting the difficulty of obtaining representative measurements of myxosporean spore. In addition, significant differences in spore dimensions were found when plasmodia from the same site of infection were compared, suggesting that measurements of spores should come from several different plasmodia of the sampling to increase the reliability of the morphology data...
2016: Folia Parasitologica
Timothy Mason, Kathy Snell, Erika Mittge, Ellie Melancon, Rebecca Montgomery, Marcie McFadden, Javier Camoriano, Michael L Kent, Christopher M Whipps, Judy Peirce
In 2011, the zebrafish research facility at the University of Oregon experienced an outbreak of Mycobacterium marinum that affected both research fish and facility staff. A thorough review of risks to personnel, the zebrafish veterinary care program, and zebrafish husbandry procedures at the research facility followed. In the years since 2011, changes have been implemented throughout the research facility to protect the personnel, the fish colony, and ultimately the continued success of the zebrafish model research program...
May 9, 2016: Zebrafish
Alice Hurrell, Oliver Reeba, Odejinmi Funlayo
BACKGROUND: Women with recurrent ectopic pregnancy (EP) represent a unique cohort of patients in whom diagnostic expertise is paramount. We determined whether recurrent EP is associated with significant differences in patient demographics, clinical presentation, risk factors and surgical findings when compared with primary EP. METHODS: A retrospective case-control study of all EPs diagnosed from 2003 to 2014, at Whipps Cross University Hospital, London. RESULTS: In the above period 849 EPs were surgically managed (758 primary EPs and 91 recurrent EPs)...
2016: SpringerPlus
Timothy C Howle, James A Dimmock, Peter R Whipp, Ben Jackson
Two studies involving high school physical education students were conducted to investigate associations between 2 x 2 self-presentation motives and theorized antecedents. In Study 1 (n = 445), using path analysis, we found that positive predictive pathways emerged from fear of negative evaluation, trait agency and communion, self-presentational efficacy, and social self-efficacy to 2 x 2 motives. In Study 2 (n = 301), using cluster analysis, we found that approximately half the cohort was classified into a high motive endorsement cluster and half into a low motive endorsement cluster...
October 2015: Journal of Sport & Exercise Psychology
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