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https://www.readbyqxmd.com/read/29782493/dissecting-the-phyloepidemiology-of-trypanosoma-cruzi-i-tci-in-brazil-by-the-use-of-high-resolution-genetic-markers
#1
Fabiola Roman, Samanta das Chagas Xavier, Louisa A Messenger, Márcio G Pavan, Michael A Miles, Ana María Jansen, Matthew Yeo
BACKGROUND: Trypanosoma cruzi, the causal agent of Chagas disease, is monophyletic but genetically heterogeneous. It is currently represented by six genetic lineages (Discrete Typing Units, DTUs) designated TcI-TcVI. TcI is the most geographically widespread and genetically heterogeneous lineage, this as is evidenced by a wide range of genetic markers applied to isolates spanning a vast geographic range in Latin America. METHODOLOGY/PRINCIPAL FINDINGS: In total, 78 TcI isolated from hosts and vectors distributed in 5 different biomes of Brazil, were analyzed using 6 nuclear housekeeping genes, 25 microsatellite loci and one mitochondrial marker...
May 21, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29757965/nutrition-of-six-selected-neo-tropical-mammals-in-trinidad-and-tobago-with-the-potential-for-domestication
#2
REVIEW
Kavita Ranjeeta Lall, Kegan Romelle Jones, Gary Wayne Garcia
This review highlights the available literature on the nutrition of six neo-tropical animals with the potential for domestication-the agouti ( Dasyprocta leporina / D. aguti ), lappe ( Agouti paca ), capybara ( Hydrochoerus hydrochaeris ), manicou/opossum ( Didelphis marsupialis insularis ), collared peccary ( Peccary tajucu ) and the red brokcet deer ( Mazama americana ). Over 100 references were used, spanning over 100 years. The earliest being 1915 and the most recent being 2018. The references used in this review were synthesized to give a detailed look of the dentition, anatomy of the gastrointestinal tract and type of feed these animals consume...
May 14, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29742302/transcriptomic-analysis-of-skin-pigmentation-variation-in-the-virginia-opossum-didelphis-virginiana
#3
Sergio F Nigenda-Morales, Yibo Hu, James Beasley, Hugo A Ruiz-Piña, David Valenzuela-Galván, Robert K Wayne
Skin and coat pigmentation are two of the best-studied examples of traits under natural selection given their quantifiable fitness interactions with the environment (e.g. camouflage) and signaling with other organisms (e.g. warning coloration). Previous morphological studies have found that skin pigmentation variation in the Virginia opossum (Didelphis virginiana) is associated with variation in precipitation and temperatures across its distribution range following Gloger's rule (lighter pigmentation in temperate environments)...
May 9, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29721344/urethral-duplication-with-a-cystic-phallic-urethra-associated-with-a-uterus-didelphys-partial-agenesis-of-the-tibia-and-an-equinovarus-foot
#4
Edwige Kafando, Boniface Moifo, Landry Mbouche, Derek Ndangoh, Evelyn Mah, Faustin Mouafo Tambo
Urethral duplication is a rare congenital malformation, especially in females. It may be associated with complex urogenital malformations, but the association with a cystic phallic urethra and a uterus didelphys is exceptional. We report a case of a newborn with urethral duplication, with the accessory urethra exteriorized by a large cyst, associated with a uterus didelphys and bone malformations. We discuss the clinical, radiographic, and therapeutic aspects as well as a literature review.
2018: Case Reports in Radiology
https://www.readbyqxmd.com/read/29695421/a-novel-marsupial-hepatitis-a-virus-corroborates-complex-evolutionary-patterns-shaping-the-genus-hepatovirus
#5
Ianei de Oliveira Carneiro, Anna-Lena Sander, Namá Silva, Andres Moreira-Soto, Andrea Normann, Bertram Flehmig, Alexander N Lukashev, Andreas Dotzauer, Nicolas Wieseke, Carlos Roberto Franke, Jan Felix Drexler
The discovery of nonprimate hepatoviruses illuminated the evolutionary origins of hepatitis A virus (HAV) in small mammals. Marsupials are ancient mammals that diverged during the Jurassic from other Eutheria. Viruses from marsupials may thus provide important insight into virus evolution. To investigate Hepatovirus macroevolutionary patterns, we sampled 112 opossums in northeastern Brazil. A novel marsupial HAV (MHAV) was detected in a Brazilian Common Opossum ( Didelphis aurita ) by nested RT-PCR. MHAV concentration in liver was high at 2...
April 25, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29692510/management-of-female-congenital-short-patulous-urethra-with-urethral-tapering-and-pubovaginal-sling-a-report-of-two-cases
#6
Sumit Gahlawat, Hemant Goel, Nikhil Khattar
Congenital short patulous urethra is a rare entity and may be associated with developmental anomalies of mullerian ducts or urogenital sinus. We report the management of two cases of congenital short patulous urethra with stress urinary incontinence (SUI). Both the patients presented with SUI; one was diagnosed with Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome and the other had uterus didelphys with longitudinally septated vagina. Both patients were successfully managed by excisional tapering of the urethra and pubovaginal sling placement...
April 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29690583/anatomical-and-radiographic-study-on-the-skull-and-mandible-of-the-common-opossum-didelphis-marsupialis-linnaeus-1758-in-the-caribbean
#7
Reda Mohamed
Common opossums ( Didelphis marsupialis ) are found throughout the Caribbean island of Trinidad and Tobago. The present work was conducted on 10 skulls and mandibles of the common opossum to describe the osteology and foramina of these skulls and mandibles grossly and radiographically. The information that is garnered can be used to detect, diagnose, and treat head affections, as well as for comparative studies with the skulls and mandibles of other similar species. The skulls and mandibles were prepared and cleaned using standard method...
April 23, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29673680/two-cesarean-deliveries-after-hemi-hysterectomy-due-to-gestational-trophoblastic-neoplasia
#8
Kentaro Kai, Yasushi Kawano, Mitsutake Yano, Mamiko Okamoto, Eiichi Hori, Kaei Nasu, Hisashi Narahara
OBJECTIVE: Although uterine didelphys per se is not associated with an impaired ability to conceive, the association between uterine anomalies and gestational trophoblastic neoplasia (GTN) remains unclear. The management of chemotherapy-resistant GTN in women with uterine didelphys raises a new issue regarding whether to perform a hemi-hysterectomy. CASE REPORT: A 23-year-old, gravida 1, para 0 Japanese woman was referred with a failed intermittent cervical dilatation for hematometra...
April 2018: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29669764/uterus-didelphys-two-pregnancies-two-term-breech-caesarean-deliveries
#9
Claire Ross, Hiba El-Hassan, Lorin Lakasing
We report the case of a woman with uterus didelphys who spontaneously conceived two singleton pregnancies, one in each uterus, and was delivered in both instances of a healthy breech infant at term by elective caesarean section.
April 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29607255/playing-by-the-rules-phenotypic-adaptation-to-temperate-environments-in-an-american-marsupial
#10
Sergio F Nigenda-Morales, Ryan J Harrigan, Robert K Wayne
Phenotypic variation along environmental gradients can provide evidence suggesting local adaptation has shaped observed morphological disparities. These differences, in traits such as body and extremity size, as well as skin and coat pigmentation, may affect the overall fitness of individuals in their environments. The Virginia opossum ( Didelphis virginiana ) is a marsupial that shows phenotypic variation across its range, one that has recently expanded into temperate environments. It is unknown, however, whether the variation observed in the species fits adaptive ecogeographic patterns, or if phenotypic change is associated with any environmental factors...
2018: PeerJ
https://www.readbyqxmd.com/read/29599001/parotid-salivary-gland-basal-cell-adenocarcinoma-in-a-big-eared-opossum-didelphis-aurita
#11
J Díaz-Delgado, A A C Coimbra, C Dos Santos-Cirqueira, T C Sanches, J M Guerra, A S de Oliveira, C Di Loretto, T Zwarg, R Ressio, L Rivas, M Sansone, F O Nagamori, C Kanamura, P S Gonçalves, N C C A Fernandes, K R Groch, J L Catão-Dias
The opossum (family Didelphidae) is a marsupial endemic to the Americas. Apart from the South American short-tailed opossum (Monodelphis domestica) and the Virginia opossum (Didelphis virginiana), there is considerable lack of knowledge about the health and diseases of most opossum species. Among these, the big-eared opossum (Didelphis aurita) is found in Argentina, Brazil and Paraguay. Natural and experimental studies have shown this species to be susceptible to infectious agents with zoonotic potential and the animals may play a role in transmission of such agents...
February 2018: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/29594844/host-parasite-association-between-didelphis-albiventris-didelphimorphia-didelphidae-and-ixodes-loricatus-acari-ixodidae-in-their-southern-ranges
#12
Evelina L Tarragona, Mariano Mastropaolo, Daniel Zurvera, Pablo M Beldomenico, Alberto A Guglielmone
The parasitism of Ixodes loricatus Neumann on white-eared opposum, Didelphis albiventris Lund, was analysed in the southern ranges of both. In central Argentina, 118 wild opossums were captured from 2005 to 2012. Adults of I. loricatus were collected (prevalence = 66.1%, mean = 7.03, median = 4), but no immature stage. Tick infestation was not affected by sex (p = 0.27) or age (p = 0.37) of hosts. In line with previous studies about seasonality of larvae and nymphs of I. loricatus, adult tick infestation showed no seasonal trend...
March 28, 2018: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/29522766/multilocus-characterization-of-sarcocystis-falcatula-related-organisms-isolated-in-brazil-supports-genetic-admixture-of-high-diverse-sag-alleles-among-the-isolates
#13
Marina O Cesar, Eliana R Matushima, Ticiana Zwarg, Alice S de Oliveira, Thaís C Sanches, Adriana M Joppert, Lara B Keid, Trícia Maria F S Oliveira, Helena L Ferreira, Horwald Alexander Bedoya Llano, Guilherme Konradt, Matheus Viezzer Bianchi, Fábio Gregori, Luís Fernando P Gondim, Rodrigo M Soares
In a previous study in Brazil, six isolates of Sarcocystis spp. recovered from budgerigars fed sporocysts excreted by opossums of the genus Didelphis were characterized by means of sequencing fragments of gene coding cytochrome B (CYTB), internal transcribed spacer 1 (ITS1), and surface antigen genes (SAG2, SAG3 and SAG4). The isolates shared identical ITS1 and CYTB sequences, but differed at SAG2, SAG3 and SAG4: three allele variants of SAG2, 3 allele variants of SAG3 and 2 allele variants of SAG4 were encountered in three multilocus genotypes (MLGs) (MLG1, MLG2, and MLG3)...
May 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29522485/a-descriptive-morphometric-approach-of-the-skull-and-mandible-of-the-common-opossum-didelphis-marsupialis-linnaeus-1758-in-the-caribbean-and-its-clinical-application-during-regional-anaesthesia
#14
Reda Mohamed
The aim of this study was to determine the morphometric values of the skull and the mandible of the common opossum from the Caribbean island of Trinidad and Tobago. The skulls and mandibles were obtained from ten opossums captured for research purposes. The skulls and mandibles were prepared and cleaned using standard method. Some anatomical landmarks of the skulls and mandibles were identified and measured. The results were important for identification of the common opossum via comparison and discussion of our results with that of other marsupial species...
March 9, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29516633/obstetric-outcome-in-patients-with-a-unicornuate-uterus-after-laparoscopic-resection-of-a-rudimentary-horn
#15
Masaaki Sawada, Aiko Kakigano, Shinya Matsuzaki, Tsuyoshi Takiuchi, Kazuya Mimura, Keiichi Kumasawa, Masayuki Endo, Yutaka Ueda, Kiyoshi Yoshino, Tadashi Kimura
AIM: Previous studies have shown adverse obstetric outcomes of the laparoscopic resection of a rudimentary horn. Our study aimed to investigate the obstetric outcome in our institution and to review previous studies. METHODS: Using a retrospective analysis, data were reviewed from singleton pregnancies with maternal uterine anomalies at a medical center in Osaka, Japan, between January 2011 and March 2016. The uterine anomaly cases were divided into a 'postlaparoscopic resection of the rudimentary horn' group (study group) and an 'other uterine anomalies' (bicornuate uterus, uterine didelphys and unicornuate uterus) group (control group)...
March 8, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29497880/trypanosoma-cruzi-transmission-among-captive-nonhuman-primates-wildlife-and-vectors
#16
Carolyn L Hodo, Gregory K Wilkerson, Elise C Birkner, Stanton B Gray, Sarah A Hamer
Natural infection of captive nonhuman primates (NHPs) with Trypanosoma cruzi (agent of Chagas disease) is an increasingly recognized problem in facilities across the southern USA, with negative consequences for NHP health and biomedical research. We explored a central Texas NHP facility as a nidus of transmission by characterizing parasite discrete typing units (DTU) in seropositive rhesus macaques (Macaca mulatta), identifying the wildlife reservoirs, and characterizing vector infection. In seropositive NHPs, we documented low and intermittent concentrations of circulating T...
March 1, 2018: EcoHealth
https://www.readbyqxmd.com/read/29471851/multilocus-sequence-typing-genetic-diversity-in-trypanosoma-cruzi-i-tci-isolates-from-brazilian-didelphids
#17
Fabiola Roman, Alena M Iñiguez, Matthew Yeo, Ana M Jansen
BACKGROUND: Trypanosoma cruzi is a protozoan parasite characterized by extensive genetic heterogeneity. There are currently six recognised, genetically distinct, monophyletic clades designated discrete typing units (DTUs). TcI has the broadest geographical range and most genetic diversity evidenced by a wide range of genetic markers applied to isolates spanning a vast geographical range across Latin America. However, little is known of the diversity of TcI that exists within sylvatic mammals across the geographical expanse of Brazil...
February 22, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29458886/laparoscopic-en-bloc-resection-of-a-para-cervical-cancer-with-ohvira-syndrome
#18
Soshi Kusunoki, Kuan-Gen Huang, Angelito Magno
OBJECTIVE: There are some reports of cervical cancer with uterus didelphys but a case of clear cell carcinoma (CCCC) with Obstructed Hemivagina and Ipsilateral Renal Anomaly (OHVIRA) syndrome is extremely rare. The aim of this paper was to report a case of CCCC with OHVIRA syndrome and the difficulty in making a preoperative diagnosis. CASE REPORT: A 65 years old woman presented with postmenopausal bleeding and pelvic examination showed right paracervical mass. Preoperative confirmation of cervical carcinoma was difficult due to the location of the mass, which was inaccessible by cervical punch biopsy...
February 2018: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29346277/vaccinia-virus-in-blood-samples-of-humans-domestic-and-wild-mammals-in-brazil
#19
Marina G Peres, Thais S Bacchiega, Camila M Appolinário, Acácia F Vicente, Mateus de Souza Ribeiro Mioni, Bruna L D Ribeiro, Clóvis R S Fonseca, Vanessa C Pelícia, Fernando Ferreira, Graziele P Oliveira, Jonatas S Abrahão, Jane Megid
Outbreaks of Vaccinia virus (VACV) affecting cattle and humans have been reported in Brazil in the last 15 years, but the origin of outbreaks remains unknown. Although VACV DNA have been already detected in mice ( Mus musculus ), opossums ( Didelphis albiventris ) and dogs during VACV zoonotic outbreaks, no transmission to cattle or humans from any of these were reported during Brazilian outbreaks. In this work, we assessed the PCR positivity to VACV in blood samples of cows and other domestic mammals, wild rodents and other wild mammals, and humans from areas with or without VACV infection reports...
January 18, 2018: Viruses
https://www.readbyqxmd.com/read/29275238/simultaneous-pregnancy-in-each-uterine-cavity-of-a-double-uterus-in-a-young-nigerian-multipara-who-presented-with-a-retained-second-twin-following-an-unsupervised-preterm-labor-at-home-case-report
#20
Emmanuel Oluchikwu Ani, Emmanuel Ajuluchukwu Ugwa, Aminu Bashir Taiye, Iwasam Elemi Agbor, Ibrahim Shaaibu Suleiman
INTRODUCTION: Simultaneous pregnancy in each uterine cavity of a double uterus is unusual but is a recognized risk factor for preterm labour and other poor obstetrics outcomes. The work has been reported in line with the SCARE criteria. PRESENTATION OF CASE: We report an unusual case of simultaneous pregnancy in each uterine cavity of a double uterus in a young African grand multipara who presented with a retained second twin following a preterm labour at home. DISCUSSION: A double or didelphys uterus as reported in the literatures is still uncommon even in Africa...
2018: International Journal of Surgery Case Reports
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