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Intestinal parasites

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https://www.readbyqxmd.com/read/28443822/an-eight-year-survey-of-the-intestinal-parasites-of-carnivores-hoofed-mammals-primates-ratites-and-reptiles-in-the-ljubljana-zoo-in-slovenia
#1
Pavel Kvapil, Marjan Kastelic, Alenka Dovc, Eva Bartova, Petr Cizek, Natacha Lima, Spela Strus
Problems with parasitic infections and their interspecies transmissions are common in zoological gardens and could pose serious health damage to captive animals. This study presents results of eight-year monitoring of intestinal parasites in animals from Zoo Ljubljana, Slovenia. A total of 741 faecal samples from 40 animal species were collected two to four times per year and examined microscopically. Intestinal parasites were detected in 45% of samples, with detection of helminths (Cestoda, Nematoda - Ascaridida, Enoplida, Strongylida, Oxyurida, Rhabditida and Trichurida) and protists (Apicomplexa and Ciliophora) in 25% and 13% of samples, respectively; mixed infection was found in 7% of samples...
April 21, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28442940/prevalence-of-anemia-and-its-associated-factors-among-pregnant-women-receiving-antenatal-care-at-aymiba-health-center-northwest-ethiopia
#2
Fikir Asrie
INTRODUCTION: Anemia is a global public health problem in both developing and developed countries; ~1.62 billion people suffer from anemia, and pregnant women are the most susceptible to it. The main aim of the present study was to assess the prevalence of anemia and associated risk factors among pregnant women receiving antenatal care at Aymiba Health Center, northwest Ethiopia. METHODS AND MATERIALS: An institution-based cross-sectional study was conducted at Aymiba Health Center from January to March 2015...
2017: Journal of Blood Medicine
https://www.readbyqxmd.com/read/28439685/histological-and-ultrastructural-study-of-myxobolus-mugchelo-parenzan-1966-with-initial-histopathology-survey-of-the-liza-ramada-host-intestine
#3
Mykola Ovcharenko, Bahram Sayyaf Dezfuli, Giuseppe Castaldelli, Mattia Lanzoni, Luisa Giari
This paper provides histological and ultrastructural data on Myxobolus mugchelo (Myxozoa), a parasite of the intestinal wall of thinlip mullet Liza ramada from the Comacchio lagoons (Northern Adriatic Sea, Italy). About 80% of the examined mullets were infected with this myxozoan. In histological sections, the plasmodia appeared rounded to ovoid and spindle shaped, measured 181.61 ± 97 × 122.79 ± 53.16 μm (mean ± standard deviation, SD) in size. Early sporogenic plasmodia were located primarily in the muscle layer where no pronounced inflammatory response was detected...
April 24, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28433718/three-new-piscidins-from-orange-spotted-grouper-epinephelus-coioides-phylogeny-expression-and-functional-characterization
#4
Ze-Rui Zhuang, Xiao-Dong Yang, Xia-Zi Huang, Hui-Xian Gu, Han-Yin Wei, Yi-Jun He, Li Deng
The present study reports the identification, and characterization of three new putative piscidin paralogues, ecPis-2, ecPis-3 and ecPis-4, from orange-spotted grouper (Epinephelus coioides). The cDNA of the three piscidins with the 207, 216, and 231 nt open reading frame encoded respectively a 68-, 71-, and 76-amino acid preprotein consisting of the predicted signal peptide, and putative mature peptide and prodomain. The phylogenetic analysis indicated that multiple piscidin paralogues in one fish species are highly diversified, the analysis suggested that the piscidins should be a family belonging to the superfamily of ancient cationic, linear, and amphipathic host defence peptides widespread across invertebrate and vertebrate taxa comprising insect cecropins and ceratotoxins, and the amphibian dermaseptins...
April 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28433409/managing-anthelmintic-resistance-in-parascaris-spp-a-modelling-exercise
#5
Dave M Leathwick, Christian W Sauermann, Thomas Geurden, Martin K Nielsen
A previously described model for the dynamics of the parasitic stages of Parascaris spp. was modified to include eggs outside the host and the genetics of anthelmintic resistance before being used to address questions regarding the development of resistance. Three broad questions were addressed; i) How sustainable is the current common practice of treating foals monthly for their first year of life (i.e. 12 treatments/year)? ii) Does the timing of treatments have an effect on resistance development? (i.e. do certain treatments select for resistance more strongly than others?), and iii) How sustainable is the currently recommended strategy of targeting ascarid infections in foals with two treatments applied during the first five months of life? A range of variations within these broad questions were considered, such as the value in rotational deworming, whether larvicidal treatments are more selective for resistance, and whether combination anthelmintics should be introduced...
March 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28432565/parapharyngodon-hugoi-n-sp-a-new-nematode-oxyuroidea-pharyngodonidae-of-the-tree-frog-trachycephalus-typhonius-linnaeus-from-the-brazilian-pantanal-including-a-key-to-the-congeners-from-amphibians-of-the-american-continent
#6
Felipe B Pereira, Karla M Campião, José L Luque, Luiz E R Tavares
A new nematode Parapharyngodon hugoi n. sp. (Oxyuroidea: Pharyngodonidae) is described parasitising the large intestine of the tree frog Trachycephalus typhonius (Linnaeus) (Anura: Hylidae) from the wetlands of Pantanal, State of Mato Grosso do Sul, Brazil. The new species exhibits a unique structure of the posterior cloacal lip in males, which is supported by a rigid V-shaped structure. Parapharyngodon hylidae parasitic in hylid frogs, including T. typhonius, from Mexico, is the most similar congener to P...
April 21, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28431211/oxyuricassis-coronatus-n-gen-n-sp-and-o-hexaspinatus-n-sp-oxyurida-pharyngodonidae-parasites-of-lasiancistrus-saetiger-siluriformes-loricariidae-in-freshwater-rivers-of-the-brazilian-amazon
#7
Allan Rodrigo Oliveira Rodrigues, Jeannie Nascimentodos Santos, Adriano Penha Furtado, Francisco Tiago Vasconcelos Melo
A new nematode genus is described from intestines of Lasiancistrus saetiger Ambruster from freshwater rivers in the Brazilian Amazon. Oxyuricassis n. gen. is characterized by, a cephalic hood, buccal cavity small , long oesophagus with a well-developed isthmus and a conical tail with spines. Two new species are described: O. coronatus n. sp. is characterized by the absence of lateral alae, a conical tail with truncated extremity with sclerotized projections spine-like around the tail tip, male of O. coronatus has a caudal alae sucker-like...
April 21, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28426426/pseudopecoelus-mccauleyi-n-sp-and-podocotyle-sp-digenea-opecoelidae-from-the-deep-waters-off-oregon-and-british-columbia-with-an-updated-key-to-the-species-of-pseudopecoelus-von-wicklen-1946-and-checklist-of-parasites-from-lycodes-cortezianus-perciformes-zoarcidae
#8
REVIEW
Charles K Blend, Norman O Dronen, Gabor R Racz, Scott L Gardner
Pseudopecoelus mccauleyi n. sp. (Opecoelidae: Opecoelinae) is described from the intestine of the bigfin eelpout, Lycodes cortezianus (Gilbert, 1890) (Perciformes: Zoarcidae), collected at 200-800 m depths in the Northeastern Pacific Ocean off Oregon and Vancouver Island, British Columbia. The new species is distinguished by possessing a unique combination of the following diagnostic characters: vitelline fields that extend to the posterior margin of the ventral sucker; a slender, tubular and sinuous seminal vesicle that extends some distance into the hindbody; an unspecialized, protuberant ventral sucker; a genital pore at pharynx level; lobed to deeply multilobed testes; a lobed ovary; and an egg size of 68-80 μm × 30-46 μm...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426402/molecular-identification-of-thelandros-scleratus-and-thelastoma-icemi-nematoda-oxyruida-using-mitochondrial-cox-1-sequences
#9
Anshu Chaudhary, Garima Kansal, Neetu Singh, Kumari Shobhna, Manu Verma, Hridaya S Singh
Two species of parasitic nematodes collected from the intestine of Brook's House Gecko, Hemidactylus brooki and American cockroach, Periplaneta americana L. The parasites were identified as Thelandros scleratus and Thelastoma icemi by PCR amplification method. Subsequently, sequence analysis of mt cox1 (504 and 540 bp) for T. scleratus and T. icemi respectively revealed that these sequences showed maximum similarity of 90% (in case of T. scleratus), 77% (in case of T. icemi), to nematode sequences available on GenBank...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28425423/pathology-and-molecular-analysis-of-hapalotrema-mistroides-digenea-spirorchiidae-infecting-a-mediterranean-loggerhead-turtle-caretta-caretta
#10
M Santoro, F Di Nocera, D Iaccarino, S P Lawton, A Cerrone, B Degli Uberti, M D'Amore, A Affuso, S Hochscheid, F Maffucci, G Galiero
Turtle blood flukes belonging to the family Spirorchiidae (Digenea) represent a major threat for sea turtle health and are considered the most important parasitic cause of turtle stranding and mortality worldwide. Despite the large diversity of spirorchiid species found globally, there are only 2 records for free-ranging Mediterranean sea turtles that date back to the late 1800s involving just Hapalotrema mistroides Monticelli, 1896. This study describes the first fatal confirmed case of spirorchiidiasis in a free-ranging Mediterranean loggerhead turtle Caretta caretta (Linnaeus) and, owing to the complexities of taxonomic identification of these parasites, provides the first molecular characterization and phylogenetic analysis of H...
April 20, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28425035/a-new-ascaridid-nematode-mammalakis-zambiensis-n-sp-heterakoidea-kiwinematidae-from-the-mole-rat-fukomys-anselli-burda-zima-scharff-machol%C3%A3-n-kawalika-rodentia-bathyergidae-in-zambia
#11
Kerstin Junker, Heike Lutermann, Yasen Mutafchiev
Mammalakis zambiensis n. sp. is described from the large intestine and caecum of Fukomys anselli (Burda, Zima, Scharff, Macholán & Kawalika), a bathyergid rodent endemic to Zambia. Morphological data for comparison with its three congeners, M. macrospiculum (Ortlepp, 1939), M. spalacis (Marcu, 1930) and M. spalaxi (Kozlov & Jangolenko, 1962) are provided. Based on studies of the type-material, observations of hitherto undescribed morphological characters of M. macrospiculum, a parasite of Bathyergus suillus (Schreber) (Hystricomorpha: Bathyergidae) in South Africa, are presented...
April 19, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28421202/the-interaction-between-hiv-and-intestinal-helminth-parasites-coinfection-with-nutrition-among-adults-in-kwazulu-natal-south-africa
#12
B T Mkhize, M Mabaso, T Mamba, C E Napier, Z L Mkhize-Kwitshana
In South Africa few studies have examined the effects of the overlap of HIV and helminth infections on nutritional status. This cross-sectional study investigated the interaction between HIV and intestinal helminths coinfection with nutritional status among KwaZulu-Natal adults. Participants were recruited from a comprehensive primary health care clinic and stratified based on their HIV, stool parasitology, IgE, and IgG4 results into four groups: the uninfected, HIV infected, helminth infected, and HIV-helminth coinfected groups...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28420930/enterobius-vermicularis-in-tubo-ovarian-abscess-a-rare-and-interesting-incidental-finding-a-case-report
#13
Faryal Saleem, Faizan Malik, Saira Fatima
Enterobius vermicularis is a common intestinal nematode; however, rare extraintestinal Enterobius infections have been reported from different parts of the world. Here, we present a case of tubo-ovarian abscess in an otherwise healthy young sexually active female with no known comorbids with history of on and off lower abdominal pain for one year and high grade fever for one month. On the basis of further workup and radiological evaluation, a preoperative diagnosis of right sided tubo-ovarian abscess was made and salpingo-oophorectomy was performed laproscopically in July 2015...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28420411/characterization-of-a-novel-aspartyl-protease-inhibitor-from-haemonchus-contortus
#14
Baojie Li, Javaid Ali Gadahi, Wenxiang Gao, Zhenchao Zhang, Muhammad Ehsan, Lixin Xu, Xiaokai Song, Xiangrui Li, Ruofeng Yan
BACKGROUND: Aspartyl protease inhibitor (API) was thought to protect intestinal parasitic nematodes from their hostile proteolytic environment. Studies on Ostertagia ostertagi, Ascaris suum and Brugia malayi indicated that aspins might play roles in nematode infection. In a recent study, proteins differentially expressed between free-living third-stage larvae (L3) and activated L3 (xL3) of Haemonchus contortus were identified by 2D-DIGE. API was found downregulated in xL3 when compared with L3...
April 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28420310/helminth-fauna-associated-with-three-neotropical-bat-species-chiroptera-mormoopidae-in-veracruz-mexico
#15
Emilio Clarke-Crespo, Gerardo Pérez-Ponce de León, Salvador Montiel-Ortega, Miguel Rubio-Godoy
Bats are recognized as potential hosts of pathogens exploiting the food chain to reach them as definitive hosts. However, very little is known about their endoparasites, especially for Neotropical bats. In this study, we assessed the helminth fauna associated with 3 insectivorous bat species roosting in the same single hot cave in central Veracruz, Mexico: the ghost-faced bat (Mormoops megalophylla), the naked-backed bat (Pteronotus davyi) and Wagner's mustached bat (Pteronotus personatus). During a period of 1 yr (April 2007-2008), a total of 135 mormoopid bats were collected and examined for helminths...
April 18, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28416007/disseminated-alveolar-echinococcosis-resembling-metastatic-malignancy-a-case-report
#16
Laura Caire Nail, Ezequiel Rodríguez Reimundes, Christelle Weibel Galluzzo, Dan Lebowitz, Yasmine Lucile Ibrahim, Johannes Alexander Lobrinus, François Chappuis
BACKGROUND: Alveolar echinococcosis is a potentially lethal zoonosis caused by larval forms of the tapeworm Echinococcus multilocularis. Humans are aberrant intermediate hosts who become infected by ingestion of egg-contaminated food or water or via physical contact with domestic or wild animals that carry the parasite in their small intestine. In humans, the disease usually affects the liver and can spread to other organs causing metastatic infiltration. In this report, we describe an advanced presentation of human alveolar echinococcosis mimicking metastatic malignancy...
April 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28415922/host-pharmacokinetics-and-drug-accumulation-of-anthelmintics-within-target-helminth-parasites-of-ruminants
#17
A Lifschitz, C Lanusse, L Alvarez
Anthelmintic drugs require effective concentrations to be attained at the site of parasite location for a certain period to assure their efficacy. The processes of absorption, distribution, metabolism and excretion (pharmacokinetic phase) directly influence drug concentrations attained at the site of action and the resultant pharmacological effect. The aim of the current review article was to provide an overview of the relationship between the pharmacokinetic features of different anthelmintic drugs, their availability in host tissues, accumulation within target helminths and resulting therapeutic efficacy...
April 17, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28414046/caffeoyl-and-coumaroyl-derivatives-from-acacia-cochliacantha-exhibit-ovicidal-activity-against-haemonchus-contortus
#18
G F Castillo-Mitre, A Olmedo-Juárez, R Rojo-Rubio, M Cortázar-González, P Mendoza-de Gives, E E Hernández-Beteta, D E Reyes-Guerrero, M E López-Arellano, J F Vázquez-Armijo, G Ramírez-Vargas, A Zamilpa
Ethnopharmacology relevance: Acacia cochliacantha is a small tree whose foliage is traditionally used in Mexico for treatment of kidney pain, gastrointestinal illnesses and to kill intestinal parasites. In recent decades, the study of vegetal extracts has offered other possible alternatives for the control of Haemonchus contortus. Considering that this nematode affects dramatically the health and productivity of small ruminants, the aim of this study was to identify the anthelmintic compounds from A. cochliacantha hydro-alcoholic extract (HA-E) through an ovicidal test...
April 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28413436/predominance-and-association-risk-of-blastocystis-hominis-subtype-i-in-colorectal-cancer-a-case-control-study
#19
Amr Mohamed Mohamed, Mona Abdelfattah Ahmed, Sabah Abdelghany Ahmed, Sherif Ahmed Al-Semany, Saad Saed Alghamdi, Dina Abdulla Zaglool
BACKGROUND: Blastocystis, a genetically diverse intestinal parasite with controversial pathogenic potential, has increasingly been incriminated for diarrheal illness in immunocompromised individuals including colorectal cancer (CRC) patients. The aim of the current study was to assess the possible association between Blastocystis infection and CRC condition in Makkah, Saudi Arabia (KSA). METHODS: Stool samples were collected from 80 non-cancer (NC) and 138 cancer subjects including 74 CRC patients and 64 patients with other cancers outside gastrointestinal tract (COGT)...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28412947/report-of-the-first-clinical-case-of-intestinal-trichomoniasis-caused-by-tritrichomonas-foetus-in-a-cat-with-chronic-diarrhoea-in-brazil
#20
Aline S Hora, Samantha I Miyashiro, Fabiana C Cassiano, Paulo E Brandão, Archivaldo Reche-Junior, Hilda F J Pena
BACKGROUND: Tritrichomonas foetus is an emergent and important enteric pathogen of cats, which causes prolonged diarrhoea in cats. CASE PRESENTATION: This study describes a T. foetus infection in a seven-month-old, entire male domestic shorthair kitten with a six-month history of persistent large intestinal diarrhoea, faecal incontinence, prostration, apathy and weight loss. Parasites were microscopically observed and confirmed by PCR and DNA sequencing. Molecular analyses were carried out comparing the sequence obtained in this study with T...
April 17, 2017: BMC Veterinary Research
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