Publications

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investigating the role of urbanisation, wetlands and climatic conditions in nematode parasitism in a large australian elapid snake.tiger snakes (notechis scutatus) in wetlands of south-west western australia (sw wa) are commonly parasitised by the nematode ophidascaris pyrrhus. host-parasite interactions are complex and can potentially be impacted by factors such as urbanisation or climate. we assessed whether urbanisation, distance to wetland sites, and climatic factors have influenced parasitism in tiger snakes from specimens collected over the last century. we dissected 91 museum specimens of tiger snakes across sw wa an ...202031879593
type material of arctiinae (lepidoptera: erebidae) in the collection of the museo argentino de ciencias naturales bernardino rivadavia (buenos aires, argentina).the museo argentino de ciencias naturales bernardino rivadavia (macn) possesses one of the most important lepidoptera collections in south america. here are deposited several type specimens of lepidoptera, particularly of arctiinae, described by burmeister, berg, snellen, jörgensen, giacomelli, orfila, and forster. this study presents a catalogue with complete information and photographs of most type specimens of arctiinae housed in the macn. additionally, we provide comments on the type materia ...202032230363
''eye of tiger sign" mimic in patients with spastic paraplegia gene 7 (spg7) mutations. 202033157434
increased overt attention to objects in early deaf adults: an eye-tracking study of complex naturalistic scenes.the study of selective attention in people with profound deafness has repeatedly documented enhanced attention to the peripheral regions of the visual field compared to hearing controls. this finding emerged from covert attention studies (i.e., without eye-movements) involving extremely simplified visual scenes and comprising few visual items. in this study, we aimed to test whether this key finding extends also to overt attention, using a more ecologically valid experimental context in which co ...202031514103
tongue protrusion dystonia in pantothenate kinase-associated neurodegeneration.tongue protrusion dystonia is an uncommon focal dystonia involving the lingual muscles. causes of tongue protrusion dystonia include tardive dystonia, posthypoxic dystonia, neuroacanthocytosis, pantothenate kinase-associated neurodegeneration, and lesch-nyhan syndrome.202031371123
tigers in the sidewall: surgical approaches to excision of lateral deep infiltrating endometriosis.to describe the surgical approaches and excisional techniques used in an extreme case of deep infiltrating endometriosis (die) affecting the lateral pelvic side wall.202031325590
road network intersection density and childhood obesity risk in the us: a national longitudinal study.road intersection density is an important indicator of walkability. the objectives of this study were to examine the trends in intersection density in the us from 2007 to 2011 and assess the associations between intersection density and childhood obesity risk at the state level.202031605806
description of erysipelothrix piscisicarius sp. nov., an emergent fish pathogen, and assessment of virulence using a tiger barb (puntigrus tetrazona) infection model.a recently described emergent disease of ornamental fish has been associated with an erysipelothrix species positive for the surface protective antigen (spa) c gene. whole genome sequencing was performed on five spac erysipelothrix isolates from diseased ornamental fish. in addition, these spac erysipelothrix isolates were compared to spaa-, spab- and other spac-positive erysipelothrix species isolated from terrestrial and marine mammals, birds and fish using multi-locus sequence analysis (mlsa) ...202031682217
corrigendum: phytoplasmas-the "crouching tiger" threat of australian plant pathology.[this corrects the article doi: 10.3389/fpls.2017.00599.].202030402053
a challenging case of patent ductus arteriosus device closure in an adult with unconventional views and catheters.abnormally oriented patent ductus arteriosus is expected in adults, which can lead to difficulties while attempting a device closure. alternate angiographic views like the "right anterior oblique view," "retrograde approach" and in rare cases, as elicited in the following case scenario, special catheters like the "tiger® catheter" can aid in crossing the lesion and completion of the procedure successfully.202029876027
tremor-dominant pantothenate kinase-associated neurodegeneration.neurodegeneration with brain iron accumulation (nbia) includes a rare and heterogeneous group of disorders characterized by iron deposition in the basal ganglia. pantothenate kinase-associated neurodegeneration (pkan) is the most common nbia and has 2 main presentations: typical and atypical, the latter rarely presents with tremor. our reported patients underwent full neurologic examination, standard brain magnetic imaging, and genetic testing for pkan. three patients who had "tremor-dominant" p ...202030838286
like the eye of the tiger: inpatient psychiatric facility exclusionary criteria and its "knockout" of the emergency psychiatric patient.over 6% of all emergency department (ed) visits in the united states involve primary mental health or behavioral issues. the patients are stabilized in the ed but frequently require admission to an inpatient psychiatric unit or institution for longer term treatment and management. to facilitate this process, an emergency physician (ep) must first "medically clear" the patient as stable for transfer. at present, there is no interdisciplinary consensus regarding the necessary elements of the medic ...202029097857
giardia duodenalis in captive tigers (panthera tigris), palawan bearcats (arctictis binturong whitei) and asian palm civet (paradoxurus hermaphroditus) at a wildlife facility in manila, philippines.this study was conducted to determine the prevalence of giardia duodenalis in captive animals in a wildlife facility. this is the first study conducted in these animals from the facility.202028979344
neurodegeneration with brain iron accumulation: a case report.pantothenate kinase-associated neurodegeneration (pkan) is an autosomal recessive disorder caused by mutation in the pank2 gene. it is characterized by abnormal brain iron accumulation, mainly in the globus pallidus. pkan is included in a group of disorders known as neurodegeneration with brain iron accumulation (nbia). we report a case of atypical pkan with its most characteristic presentation, exhibiting marked psychiatric symptoms, speech disorder and focal dystonia. brain mri has great diagn ...202029213449
distemper, extinction, and vaccination of the amur tiger.canine distemper virus (cdv) has recently emerged as an extinction threat for the endangered amur tiger (panthera tigris altaica). cdv is vaccine-preventable, and control strategies could require vaccination of domestic dogs and/or wildlife populations. however, vaccination of endangered wildlife remains controversial, which has led to a focus on interventions in domestic dogs, often assumed to be the source of infection. effective decision making requires an understanding of the true reservoir ...202033229566
mutational spectra of sars-cov-2 isolated from animals.coronaviruses are ubiquitous and infect a wide spectrum of animals and humans. the newly emerged severe acute respiratory syndrome coronavirus-2 (sars-cov-2) has become a worldwide pandemic. to address the role that animals may play in the evolution of sars-cov-2, the full genome sequences of sars-cov-2 isolated from animals were compared with sars-cov-2 human isolates from the same clade and geographic region. phylogenetic analysis of sars-cov-2 isolated from the cat, dog, mink, mouse, and tige ...202033384909
a literature review of host feeding patterns of invasive aedes mosquitoes in europe.aedes invasive mosquitoes (aims) play a key role as vectors of several pathogens of public health relevance. four species have been established in europe, including aedes aegypti, aedesalbopictus, aedes japonicus and aedes koreicus. in addition, aedes atropalpus has been repeatedly recorded although it has not yet been established. in spite of their importance in the transmission of endemic (e.g., heartworms) and imported pathogens (e.g., dengue virus), basic information of parameters affecting ...202033260438
progress in source tracking of sars-cov-2.coronavirus disease 2019 (covid-19) pandemic has caused a total of 55 928 327 confirmed cases and 1 344 003 deaths as of november 19, 2020. but so far the origin of severe acute respiratory syndrome coronavirus 2 (sars-cov-2) that causes this pandemic has remained undetermined. the purpose of this study is to review the current research of sars-cov-2 and the existing problems therein, which may provide inspiration for further researches. existing evidence suggested that sars-cov-2 may be derived ...202033380405
an overview of sars-cov-2 and animal infection.a novel coronavirus has been reported as the causative pathogen of the coronavirus disease 2019 (covid-19) outbreak in wuhan city, china in december 2019. due to the rapid spread of the virus worldwide, it has been announced as a pandemic by the world health organization (who). hospitalized patients in wuhan were associated with the huanan seafood wholesale market where live animals, such as poultry, bats, snakes, frogs, rabbits, marmots, and hedgehogs are sold in that market which suggests a po ...202033363234
is it time to consider shreds of epidemiological and environmental evidence associated with high transmission of covid-19?novel coronavirus named covid-19 that emerged in late december from wuhan affected almost the entire globe. recent studies provided new insight into the high transmission of the disease. this review explores the current evidence of epidemiological and environmental factors associated with high transmission of covid-19. even transmission and symptoms found among cats, dogs, ferrets, and tiger suggested low species barrier of the virus. the airborne transmission was found even up to 4 m, and fecal ...202134322402
sars cov-2 spike protein in silico interaction with ace2 receptors from wild and domestic species.the severe acute respiratory syndrome coronavirus 2 (sars-cov-2) has been declared a pandemic by the world health organization (who), and since its first report, it has become a major public health concern. sars-cov-2 is closely related to sars-cov and sars-related bat coronaviruses, and it has been described to use angiotensin-converting enzyme 2 (ace2) as a receptor. natural sars-cov-2 infection in domestic and wildlife animals, measured by rt-qpcr, has been confirmed in different countries, e ...202133659022
bats, pangolins, minks and other animals - villains or victims of sars-cov-2?coronavirus disease-19 (covid-19) is caused by the severe acute respiratory syndrome coronavirus-2 (sars-cov-2), which has become unstoppable, spreading rapidly worldwide and, consequently, reaching a pandemic level. this review aims to provide the information available so far on the likely animal origin of sars-cov-2 and its possible hosts/reservoirs as well as all natural animal infections and experimental evidence using animal models. horseshoe bats from the species rhinolophus affinis seem t ...202133464439
sars-cov-2 infection and longitudinal fecal screening in malayan tigers (panthera tigris jacksoni), amur tigers (panthera tigris altaica ), and african lions (panthera leo krugeri) at the bronx zoo, new york, usa.severe acute respiratory syndrome coronavirus-2 (sars-cov-2) emerged as the cause of a global pandemic in 2019-2020. in march 2020, new york city became the epicenter in the united states for the pandemic. on 27 march 2020, a malayan tiger (panthera tigris jacksoni) at the bronx zoo in new york city developed a cough and wheezing with subsequent inappetence. over the next week, an additional malayan tiger and two amur tigers (panthera tigris altaica) in the same building and three lions (panther ...202133480553
serologic survey of selected pathogens in free-ranging bengal tigers (panthera tigris tigris) in nepal.serum samples of 11 bengal tigers (panthera tigris tigris) from chitwan national park in nepal, collected between 2011-17, were evaluated for the presence of antibodies to eight diseases commonly investigated in large felids. this initial serologic survey was done to establish baseline information to understand the exposure of nepal's free-ranging tiger population to these diseases. tiger serum samples collected opportunistically during encounters such as translocation, human conflict, and injur ...202133822151
genome-wide identification of aedes albopictus long noncoding rnas and their association with dengue and zika virus infection.the asian tiger mosquito, aedes albopictus (ae. albopictus), is an important vector that transmits arboviruses such as dengue (denv), zika (zikv) and chikungunya virus (chikv). long noncoding rnas (lncrnas) are known to regulate various biological processes. knowledge on ae. albopictus lncrnas and their functional role in virus-host interactions are still limited. here, we identified and characterized the lncrnas in the genome of an arbovirus vector, ae. albopictus, and evaluated their potential ...202133481791
sylvatic canine morbillivirus in captive panthera highlights viral promiscuity and the need for better prevention strategies.canine distemper virus (cdv) is a multi-host morbillivirus that infects virtually all carnivora and a few non-human primates. here we describe a cdv outbreak in an exotic felid rescue center that led to the death of eight felids in the genus panthera. similar to domestic dogs and in contrast to previously described cdv cases in panthera, severe pneumonia was the primary lesion and no viral antigens or cdv-like lesions were detected in the central nervous system. four tigers succumbed to opportun ...202133946447
exposure of wild sumatran tiger (panthera tigris sumatrae) to canine distemper virus.canine distemper virus (cdv) is recognized as a conservation threat to amur tigers (panthera tigris altaica) in russia, but the risk to other subspecies remains unknown. we detected cdv neutralizing antibodies in nine of 21 wild-caught sumatran tigers (42.9%), including one sampled on the day of capture, confirming exposure in the wild.202133822169
profile of small rnas, vdna forms and viral integrations in late chikungunya virus infection of aedes albopictus mosquitoes.the asian tiger mosquito aedes albopictus is contributing to the (re)-emergence of chikungunya virus (chikv). to gain insights into the molecular underpinning of viral persistence, which renders a mosquito a life-long vector, we coupled small rna and whole genome sequencing approaches on carcasses and ovaries of mosquitoes sampled 14 days post chikv infection and investigated the profile of small rnas and the presence of vdna fragments. since aedes genomes harbor nonretroviral endogenous viral e ...202133806250
evaluation of a real-time rt-pcr panel for detection of sars-cov-2 in bat guano.severe acute respiratory syndrome coronavirus 2 (sars-cov-2) is the causative agent of coronavirus disease 2019 (covid-19), which is an ongoing global health concern. the exact source of the virus has not been identified, but it is believed that this novel coronavirus originated in animals; bats in particular have been implicated as the primary reservoir of the virus. sars-cov-2 can also be transmitted from humans to other animals, including tigers, cats, and mink. consequently, infected people ...202133522461
in vitro characterization of fitness and convalescent antibody neutralization of sars-cov-2 cluster 5 variant emerging in mink at danish farms.in addition to humans, severe acute respiratory syndrome coronavirus 2 (sars-cov-2) can transmit to animals that include hamsters, cats, dogs, mink, ferrets, tigers, lions, cynomolgus macaques, rhesus macaques, and treeshrew. among these, mink are particularly susceptible. indeed, 10 countries in europe and north america reported sars-cov-2 infection among mink on fur farms. in denmark, sars-cov-2 spread rapidly among mink farms and spilled-over back into humans, acquiring mutations/deletions wi ...202134248922
sars-cov-2 in animals: potential for unknown reservoir hosts and public health implications.severe acute respiratory syndrome coronavirus 2 (sars-cov-2, previously 2019-ncov) is suspected of having originated in 2019 in china from a coronavirus infected bat of the genus rhinolophus. following the initial emergence, possibly facilitated by a mammalian bridge host, sars-cov-2 is currently transmitted across the globe via efficient human-to-human transmission. results obtained from experimental studies indicate that animal species such as cats, ferrets, raccoon dogs, cynomolgus macaques, ...202133892621
key components of inflammasome and pyroptosis pathways are deficient in canines and felines, possibly affecting their response to sars-cov-2 infection.sars-cov-2 causes the ongoing covid-19 pandemic. natural sars-cov-2 infection has been detected in dogs, cats and tigers. however, the symptoms in canines and felines were mild. the underlying mechanisms are unknown. excessive activation of inflammasome pathways can trigger cytokine storm and severe damage to host. in current study, we performed a comparative genomics study of key components of inflammasome and pyroptosis pathways in dogs, cats and tigers. cats and tigers do not have aim2 and nl ...202133584656
evaluating angiotensin-converting enzyme 2-mediated sars-cov-2 entry across species.the severe acute respiratory syndrome coronavirus 2 (sars-cov-2) pandemic represents a global threat, and the interaction between the virus and angiotensin-converting enzyme 2 (ace2), the primary entry receptor for sars-cov-2, is a key determinant of the range of hosts that can be infected by the virus. however, the mechanisms underpinning ace2-mediated viral entry across species remains unclear. using infection assay, we evaluated sars-cov-2 entry mediated by ace2 of 11 different animal species ...202133610551
structural analysis of covid-19 spike protein in recognizing the ace2 receptor of different mammalian species and its susceptibility to viral infection.the pandemic covid-19 was caused by a novel coronavirus-2 (sars-cov-2) that infects humans through the binding of glycosylated sars-cov-2 spike 2 protein to the glycosylated ace2 receptor. the spike 2 protein recognizes the n-terminal helices of the glycosylated metalloprotease domain in the human ace2 receptor. to understand the susceptibility of animals for infection and transmission, we did sequence and structure-based molecular interaction analysis of 16 ace2 receptors from different mammali ...202133552834
teleingestion remote video capsule endoscope.we describe 2 cases in which video capsule endoscopy was performed remotely using teleingestion remote video capsule endoscopy (tiger vce), given limited access to endoscopy during the covid-19 pandemic. the patients ingested the capsocam capsule during a televisit, and the video was subsequently reviewed remotely by the physician. tiger vce was used to diagnose a benign etiology of melena and used to confirm a diagnosis of crohn's disease before the initiation of biologic therapy. these cases d ...202134079843
panthera tigris jacksoni population crash and impending extinction due to environmental perturbation and human-wildlife conflict.the critically endangered malayan tiger (panthera tigris jacksoni), with an estimated population of less than 200 individuals left in isolated rainforest habitats in malaysia, is in an intermediate population crash leading to extinction in the next decade. the population has decreased significantly by illegal poaching, environmental perturbation, roadkill, and being captured during human-wildlife conflicts. forty-five or more individuals were extracted from the wild (four animals captured due to ...202133917373
feline coronavirus and feline infectious peritonitis in nondomestic felid species.feline coronavirus (fcov) is reported worldwide and known to cause disease in domestic and nondomestic felid species. although fcov often results in mild to inapparent disease, a small subset of cats succumb to the fatal, systemic disease feline infectious peritonitis (fip). an outbreak of fip in cheetahs (acinonyx jubatus) in a zoological collection demonstrated the devastating effect of fcov introduction into a naïve group of animals. in addition to cheetahs, fip has been described in european ...202133827157
cerebral cysticercosis in a wild bengal tiger (panthera tigris tigris) in bhutan: a first report in non-domestic felids.the endangered bengal tiger (panthera tigris tigris) is a keystone species playing an essential role in ecology as well as in the social and spiritual lives of the himalayan people. the latest estimate of the bengal tiger population in bhutan accounts for 103 individuals. infectious organisms, including zoonotic parasites causing high burden in human health, have received little attention as a cause of mortality in tigers. taeniosis/cysticercosis, caused by the cestode taenia solium, is consider ...202133665082
assessment of the function of gonad-specific pmago4 in viral replication and spermatogenesis in penaeus monodon.argonaute family is phylogenetically subdivided into ago and piwi subfamilies that operate either transcriptional or post-transcriptional regulation in association with particular types of small rnas. among the four members of ago subfamily (pmago1-4) found in black tiger shrimp penaeus monodon, pmago4 exhibits gonad-restricted expression and takes part in transposon repression as the piwi subfamily. while pmago1-3 participate in rna interference (rnai)-based mechanism, the role of pmago4 in rna ...202132791174
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