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Journal of Parasitology

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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
#1
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/28431210/exotic-gill-lice-species-copepoda-lernaeopodidae-salmincola-spp-infect-rainbow-trout-oncorhynchus-mykiss-and-brook-trout-salvelinus-fontinalis-in-the-southeastern-united-states
#2
Carlos F Ruiz, Jacob M Rash, Doug A Besler, Jackson R Roberts, Micah B Warren, Cova R Arias, Stephen A Bullard
Salmincola californiensis infected 25 of 31 (prevalence 0.8; intensity 2-35 [mean 6.6 ± standard deviation 7.7; n = 25]) rainbow trout, Oncorhynchus mykiss, from a private trout farm connected to the Watauga River, North Carolina. Salmincola edwardsii infected all of 9 (1.0; 2-43 [9.3 ± 13.0; 9]) brook trout, Salvelinus fontinalis, from Big Norton Prong, a tributary of the Little Tennessee River, North Carolina. Both lernaeopodids are well-known salmonid pathogens but neither is native to, nor has been previously taxonomically confirmed from, the southeastern United States...
April 21, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28420310/helminth-fauna-associated-with-three-neotropical-bat-species-chiroptera-mormoopidae-in-veracruz-mexico
#3
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/28420302/the-genus-spirorchis-maccallum-1918-digenea-schistosomatoidea-and-the-early-history-of-parasitology-in-the-united-states
#4
Thomas Reid Platt
We know little about the founders of our discipline apart from their scientific contributions and brief biographical sketches, most frequently in published obituaries. A number of years ago, Ralph Lichtenfels, then Director of the National Parasite Collection, sent me photocopies of letters between Henry Baldwin Ward, Horace W. Stunkard, George A. MacCallum, and William G. MacCallum dating from the early years of the 20th century that hinted at a series of conflicts centered on the proposal of Spirorchis MacCallum, 1918 (Digenea: Schistosomatoidea)...
April 18, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28399378/the-adult-and-immature-stages-of-the-new-species-of-the-genus-demodex-acariformes-demodecidae-with-data-on-parasitism-topography-and-topical-specificity-of-demodecid-mites-in-the-yellow-necked-mouse-apodemus-flavicollis-rodentia-muridae
#5
Joanna N Izdebska, Leszek Rolbiecki, Sławomira Fryderyk, Łukasz Mierzyński
Demodex mollis n. sp. is described from the yellow-necked mouse Apodemus flavicollis (Melchior, 1834) from Poland. It is a medium-sized demodecid mite (adult stages are on average 249 µm long) observed in the skin of the eyelid area. The new species is most similar to two other species occupying similar microhabitat in hosts of the same genus - Demodex lacrimalis Lukoschus and Jongman, 1974 from Apodemus sylvaticus Linnaeus, 1758 and Demodex huttereri Mertens, Lukoschus and Nutting, 1983 from Apodemus agrarius (Pallas, 1771), but differs by the following features: the terminal palpi are equipped with 3 spines, including 1 large claw-like and the second single; subgnathosomal setae (setae n) are situated on both sides of the anterior side of the pharyngeal bulb; claws on the leg tarsi are bifurcated and each equipped with large subterminal spur and proximal pointed projection; the opisthosoma is soft and flexible; and aedeagus in males have different shape and localization...
April 11, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28398110/molecular-characterization-of-hypoderma-spp-in-domestic-ruminants-from-turkey-and-pakistan
#6
Haroon Ahmed, Sami Simsek, Cem Ecmel Saki, Harun Kaya Kesik, Seyma Gunyakti Kilinc
The aim of this study was to determine the morphological and molecular characterization of Hypoderma spp. in cattle and yak from different provinces of Turkey and Pakistan. For this purpose, a total of 78 larvae were collected from different provinces of Turkey and Pakistan from October (2015) to January (2016) from slaughtered animals. Thirty eight out of 78 Hypoderma larvae were morphologically classified as third instar larvae (L3) of Hypoderma bovis, 37 were Hypoderma lineatum and 3 were classified as suspected or un-identified...
April 11, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28398107/first-record-of-raillietina-celebensis-cestoda-cyclophyllidea-in-south-america-redescription-and-phylogeny
#7
Raquel O Simões, Susana B Simões, JoséL Luque, Alena Mayo Iniguez, Arnaldo Maldonado Júnior
Raillietina celebensis is a cestode that parasitizes the small intestine of rats and humans. Here we detail the morphology and morphometry of R. celebenis specimens collected from Rattus norvegicus in the municipality of São Gonçalo, Rio de Janeiro state, Brazil, by light and confocal scanning laser microscopy and also report the results of molecular phylogenetic analyses to determine its relationships within the family Davaineidae. Analysis of the number and size of testes, number and shape of rostellar hooks; cirrus sac length; capsules and eggs per capsule and morphology of the mature proglote allowed concluding that the present specimens constitute a new record of R...
April 11, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28395586/differential-change-patterns-of-main-antimicrobial-peptide-genes-during-infection-of-entompathogenic-nematode-and-their-symbiotic-bacteria
#8
Reyhaneh Darsouei, Javad Karimi, Mohammad Ghadamyari, Mojtaba Hosseini
The expression of antimicrobial peptides (AMPs) as main humoral defense reactions of insects during infection by entomopathogenic nematodes (EPNs) and their symbiont is addressed herein. Three AMPs, attacin, cecropin, and spodoptericin, were evaluated in the fifth instar larvae of Spodoptera exigua Hübner when challenged with Steinernema carpocapsae or Heterorhabditis bacteriophora. The results indicated that attacin was expressed to a greater extent than either cecropin or spodoptericin. While spodoptericin was expressed to a much lesser extent, this AMP was induced against gram-positive bacteria, thus not expressed after penetration of Xenorhabdus nematophila and Photorhabdus luminescens...
April 10, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28395577/developing-an-apicomplexan-dna-barcodoing-system-to-detect-blood-parasites-of-small-coral-reef-fishes
#9
Paul Sikkel, Lance P Renoux, Maureen Dolan, Nico Smit, Courtney Cook
Apicomplexan parasites are obligate parasites of many species of vertebrates. To date, there is very limited understanding of these parasites in the most diverse group of vertebrates, actinopterygian fishes. While DNA barcoding targeting the eukaryotic 18S small subunit (SSU) rRNA gene sequence has been useful in identifying apicomplexans in tetrapods, identification of apicomplexans infecting fishes has relied solely on morphological identification by microscopy. In this study, a DNA barcoding method was developed that targets the 18S rRNA gene primers for identification apicomplexans parasitizing certain actinopterygian fishes...
April 10, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28395568/a-case-of-ectopic-paragonimiasis-in-a-17th-century-korean-mummy
#10
Dong Hoon Shin, Yi Suk Kim, Dong Soo Yoo, Myeung Ju Kim, Chang Seok Oh, Jong Ha Hong, Eun Ju Lee, Jong Yil Chai, Min Seo
Archaeoparasitological studies on fossilized feces obtained from Joseon Dynasty (1392-1910 CE) mummies have provided invaluable data on the patterns of parasitic infection in pre-modern Korean societies. In our recent radiological investigation of a 17th century Joseon mummy discovered in Cheongdo (South Korea), we located a liver mass just below the diaphragm. Anatomical dissection confirmed the presence of a mass of unknown etiology. A subsequent parasitological examination of a sample of the mass revealed a large number of ancient Paragonimus sp...
April 10, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28359175/precipitation-climate-change-and-parasitism-of-prairie-dogs-by-fleas-that-transmit-plague
#11
David Eads, John Hoogland
Fleas (Insecta: Siphonaptera) are hematophagous ectoparasites that can reduce the fitness of vertebrate hosts. Laboratory populations of fleas decline under dry conditions, implying that populations of fleas will also decline when precipitation is scarce under natural conditions. If precipitation and hence vegetative production are reduced, however, then herbivorous hosts might suffer declines in body condition and have weakened defenses against fleas, so that fleas will increase in abundance. We tested these competing hypotheses using information from 23 yr of research on 3 species of colonial prairie dogs in western USA: Gunnison's prairie dogs (Cynomys gunnisoni, 1989-1994), Utah prairie dogs (C...
March 30, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28355128/concurrent-examination-of-bobcats-and-ticks-reveals-high-prevalence-of-cytauxzoon-felis-in-southern-illinois
#12
Elliott A Zieman, F Agustin Jimenez, Clayton K Nielsen
Cytauxzoon felis is an intraerythrocytic apicomplexan of felids enzootic in the southeastern United States. In domestic cats (Felis catus), this parasite can result in the highly fatal disease cytauxzoonosis or bobcat fever. Bobcats (Lynx rufus) are the wild animal reservoir host. To date, the characterization of prevalence of C. felis in bobcats is mostly based on broad-scale surveys from hunter-harvested specimens collected across large geographic areas, usually consisting of multiple states. Detailed studies on the development, transmission, distribution, effects and prevalence of C...
March 29, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28355111/the-missing-fellow-first-description-of-the-trypanoxyuris-pigrae-male-nematoda-oxyuridae-a-parasite-of-the-black-howler-monkey-alouatta-pigra-in-mexico
#13
Brenda Solórzano-García, Dario Güiris-Andrade, Gerardo Perez-Ponce de Leon
The first morphological description of the male of Trypanoxyuris pigrae Solórzano-García, Nadler, and Pérez-Ponce de León, 2016 is presented in this study. Morphological data are supported by molecular data. Specimens of T. pigrae were recovered after the necropsy of a roadkill black howler monkey (Alouatta pigra) in southeastern Mexico. Males of T. pigrae are characterized by having 3 notched lips, and a long esophagus with a posterior bulb; they also show a single crested lateral alae, , a single spicule, and 4 caudal papillae...
March 29, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28350530/book-review-a-century-of-parasitology-discoveries-ideas-and-lessons-learned-by-scientists-who-published-in-the-journal-of-parasitology-1914-2014
#14
Marilyn E Scott
No abstract text is available yet for this article.
March 28, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28335683/redescription-of-pallisentis-brevitritospinus-indica-acanthocephala-quadrigyridae-from-channa-punctatus-bloch-schneider-channidae-in-aligarh-india-with-new-understandings-of-old-structures
#15
Omar M Amin, Richard Heckmann, Ahammed Shareef
Pallisentis indica Mital and Lal, 1976 was originally described from Channa gatchua Hamilton (Channidae) in Kali nadi River, Aligarh, India. It was later placed in the subgenus Brevitritospinus Amin, Heckmann, Ha, Luc, and Doanh, 2000. Our collection from the spotted snakehead Channa punctatus Bloch & Schneider in another locality of the same stream in Aligarh produced many specimens with variable traits revealing new structures that have never before been described in the Acanthocephala, especially relating to the ducted trunk spines...
March 23, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28335675/development-and-application-of-an-indirect-enzyme-linked-immunosorbent-assay-using-recombinant-mag1-for-serodiagnosis-of-toxoplasma-gondii-in-dogs
#16
Xunhui Zhuo, Hongchao Sun, Zhi Zhang, Jiaqing Luo, Ying Shan, Aifang Du
Serologic tests are widely accepted and applied as means to detect anti Toxoplasma gondii immunoglobulin G antibodies(IgG). In this study, recombinant matrix antigen (MAG1) was induced by isopropyl-β-d-thiogalactoside(IPTG) and purified by nickel-nitrilotriacetic acid (Ni-NTA) purification system. We then developed and optimized an indirect enzyme-linked immunosorbent assay (ELISA) through checkerboard assays using serial dilutions of antigens and sera to assess the potential use of MAG1 in serologic detection of T...
March 23, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28323544/host-diet-affects-the-morphology-of-a-butterfly-parasite
#17
Kevin Ming-Kong Hoang, Leiling Tao, Jacobus C de Roode, Mark D Hunter
Understanding host-parasite interactions is essential for ecological research, wildlife conservation and health management. While most studies focus on numerical traits of parasite groups, such as changes in parasite load, less focus is placed on the traits of individual parasites, such as parasite size and shape (parasite morphology). Parasite morphology has significant effects on parasite fitness, such as initial colonization of hosts, avoidance of host immune defenses, and the availability of resources for parasite replication...
March 21, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28319677/characterization-and-distribution-of-isospora-sabiai-n-sp-apicomplexa-eimeriidae-from-thrushes-turdus-spp-passeriformes-turdidae-from-brazil
#18
Irlane Fde Pinho, Mariana B Rodrigues, Lidiane M Silva, Brunodo B Lopes, Mariana S Oliveira, Matheus A Ferreira, Sergian V Cardozo, Hermes R Luz, Ildemar Ferreira, Carlos Wilson G Lopes, Bruno Pereira Berto
A new coccidian species (Protozoa: Apicomplexa: Isospora) is described parasitizing white-necked thrushes Turdus albicollis Vieillot, 1818, rufous-bellied thrushes Turdus rufiventris Vieillot, 1818, pale-breasted thrushes Turdus leucomelas Vieillot, 1818 and yellow-legged thrushes Turdus flavipes Vieillot, 1818 from 3 different localities in Brazil. Isospora sabiai n. sp. has oocysts that are sub-spherical to ellipsoidal, 20.9 × 18.6 µm, with smooth, delicate, bilayered wall, ~1.1 μm thick. Micropyle inconspicuous or imperceptible...
March 20, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28355109/identification-of-12-piroplasms-infecting-ten-tick-species-in-china-using-reverse-line-blot-hybridization
#19
Mirza Omar Abdallah, Qingli Niu, Jifei Yang, Muhammad Adeel Hassan, Peifa Yu, Guiquan Guan, Ze Chen, Guangyuan Liu, Jianxun Luo, Hong Yin
Piroplasmosis, a disease of domestic and wild animals is caused by tick-borne protozoa in the genera of Theileria and Babesia. There was limited information available about the prevalence of piroplasmosis in ticks in China. To assess potential threat of piroplasmosis in China, we investigated the infections of ovine and bovine Babesia and Theileria species in ticks collected from cattle, yaks, sheep, horses and camels in several regions of China where tick-borne diseases have been reported. A total of 652 ticks were collected from the animals in 6 provinces of China...
March 13, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28350489/redescription-and-molecular-assessment-of-relationships-among-three-species-of-echeneibothrium-rhinebothriidea-echeneibothriidae-parasitizing-the-yellownose-skate-dipturus-chilensis-in-chile
#20
Veronica M Bueno, Janine N Caira
Much progress has recently been made towards revising the taxonomic assignments of genera originally classified in the polyphyletic "Tetraphyllidea". Many of these genera, including Echeneibothrium van Beneden, 1850, were accommodated in the order Rhinebothriidea. However, beyond this larger taxonomic action, little work has been conducted on this genus over the last 50 yrs. As a consequence, the criteria employed for characterizing species of Echeneibothrium have lagged behind those typically employed in more modern descriptions of elasmobranch-hosted cestode taxa...
March 10, 2017: Journal of Parasitology
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