Publications

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clinical investigations and treatment outcome in a european wildcat (felis silvestris silvestris) infected by cardio-pulmonary nematodes.recently, feline cardio-pulmonary nematodes have attracted high scientific interest, as they are increasingly reported from various areas. most of these parasites have similar transmission patterns and/or host reservoirs, thus they may affect domestic and wild felids living in sympatry. in the present study, a case of multiple cardio-pulmonary parasitism in co-infection with other parasites in a european wildcat is presented. the animal, found exhausted, was hospitalised for recovery and parasit ...202032057385
molecular detection of arthropod-borne pathogens in eurasian badgers (meles meles) from the united kingdom.arthropod-borne diseases (abd) are of increasing interest in veterinary and public health. eurasian badgers (meles meles) are known to harbor a wide range of pathogens, but information on their role as abd reservoirs and their potential epidemiological relevance is limited. this study aimed to investigate the occurrence of arthropod-borne pathogens, specifically piroplasmids and the bacteria anaplasma phagocytophilum, ehrlichia canis, coxiella burnetii, francisella tularensis and bartonella spp. ...202032155963
assessment of persistent organic pollutants in hair samples collected from several iranian wild cat species.persistent organic pollutants (pops), including the organochlorine pesticides (ocps), such as dichlorodiphenyltrichloroethane (ddt) and its metabolites, hexachlorobenzene (hcb), α, β and γ-hexachlorocyclohexane (hch) isomers, and the polychlorinated biphenyl (pcb) congeners (iupac nos. 28, 52, 101, 138, 153, and 180), were determined in hair samples collected from 41 iranian wild cats belonging to 8 different species. this is the first report on the presence of selected pops in feline hair from ...202032044571
molecular survey of bartonella spp. and haemoplasmas in american minks (neovison vison).the aim of this study was to perform a molecular survey and characterize bartonella spp. and haemotropic mycoplasma (haemoplasmas) in invasive american minks (neovison vison) from southern chile. additionally, we addressed risk factors for positivity in both groups of agents. blood and/or tissue samples from 246 minks were analysed by qpcr targeting the nuog gene for bartonella spp. and conventional (c)pcr for 16s rrna for haemotropic mycoplasma spp. nuog qpcr-positive bartonella spp. samples we ...202032985137
first report of a troglostrongylus brevior case in a domestic cat in turkeyparasitic bronchopneumonia plays an important role, especially in the respiratory diseases of cats. troglostrongylus species have been reported as lung parasites of wild cats; however, in recent years, they have also been found in domestic cats, especially from the mediterranean and balkan countries. in this report, troglostrongylus brevior was found during the examination of lung samples of a tabby cat who was euthanized at the age of 2 years. to the best of our knowledge, this is the first rep ...202032928727
projecting introgression from domestic cats into european wildcats in the swiss jura.hybridization between wild and domesticated organisms is a worldwide conservation issue. in the jura mountains, threatened european wildcats (felis silvestris) have been demographically spreading for approximately the last 50 years, but this recovery is coupled with hybridization with domestic cats (felis catus). here, we project the pattern of future introgression using different spatially explicit scenarios to model the interactions between the two species, including competition and different ...202032908607
reproductive biology and biotechnologies in wild felids.conservation strategies in natural habitats as well as in breeding centers are necessary for maintaining and reinforcing viable populations of wild felids. among the fundamental knowledge that is required for conservation breeding, a solid understanding of reproductive biology is critical for improving natural breeding and enhance genetic diversity. additionally, it offers the opportunity to develop assisted reproductive technologies (arts) in threatened and endangered species. conservation bree ...202032102745
molecular detection of gurltia paralysans by semi-nested pcr in cerebrospinal fluid and serum samples from domestic cats (felis catus).gurltia paralysans is an angio-neurotropic metastrongyloid nematode that infects domestic and wild cats, invading the veins of the subarachnoid space of the spinal cord and mainly causing progressive paralysis of the pelvic limbs. the definitive diagnosis of feline gurltiosis can only be achieved by post-mortem examination that reveals the presence of the nematode in the spinal cord vein vasculature. an early diagnosis with conclusive results is required since laboratory and imaging findings are ...202032660139
intermediate gastropod hosts of major feline cardiopulmonary nematodes in an area of wildcat and domestic cat sympatry in greece.the metastrongyloid nematodes aelurostrongylus abstrusus, troglostrongylus brevior and angiostrongylus chabaudi are cardiopulmonary parasites affecting domestic cats (felis catus) and wildcats (felis silvestris). although knowledge on these nematodes has been improved in the past years, gaps in our knowledge of their distribution and role of gastropods as intermediate hosts in europe still exist. this study reports on the presence of these nematodes and their intermediate hosts in an area in gre ...202032650821
genetic instability of a polydactyl hypopigmented cat with squamous cell carcinoma-a case report.polydactyly, hypopigmentation, and squamous cell carcinoma are common in cats. however, a cat exhibiting all of these conditions has not yet been reported. this study presents the case of a 14- year-old male mexican cat, hypopigmented, with supernumerary fingers, two preaxial and one on each posterior limb, admitted to the clinic with a lesion in the left periocular region. the cat was subjected to a general physical examination, blood, and urine chemistry, as well as a biopsy and genomic instab ...202032528983
evidence for individual differences in behaviour and for behavioural syndromes in adult shelter cats.consistent inter-individual differences in behaviour have been previously reported in adult shelter cats. in this study, we aimed to assess whether repeatable individual differences in behaviours exhibited by shelter cats in different situations were interrelated, forming behavioural syndromes. we tested 31 adult cats in five different behavioural tests, repeated three times each: a struggle test where an experimenter restrained the cat, a separation/confinement test where the cat spent 2 min in ...202032492877
can jaguar (panthera onca) ovulate without copulation?threatened of extinction in brazil, the jaguar is the largest predator in latin america, playing an important role in the ecosystem where it is inserted. despite of some important studies in this species, its reproductive physiology needs to be better understood for the development of more effective reproductive biotechnologies. one well studied biological aspect is the occurrence of ovulation following stimulation of the vaginal floor during copulation. this mechanical stimulation is responsibl ...202032092606
the global serological prevalence of toxoplasma gondii in felids during the last five decades (1967-2017): a systematic review and meta-analysis.felids (domestic and wild cats) are important in the epidemiology of the parasite toxoplasma gondii because they are the only hosts that can excrete the environmentally resistant oocysts. we conducted a systematic review and meta-analysis to estimate the global prevalence of t. gondii in species of the family felidae.202032066495
anatomical description of the origin and distribution of the lumbosacral plexus in one puma (puma concolor).wild felids often suffer spinal and limb disorders; however, their nervous system anatomy is poorly studied. herein, the lumbosacral plexus (plexus lumbosacralis) of an adult puma and the motor and sensitive innervation of the pelvic limb is described. we found anatomical similarities to other felids, but also some differences. branches l4-s3 form the lumbosacral plexus (plexus lumbosacralis) in the puma. the femoral nerve (n. femoris) arises from the union of l4-l5, while in other felids, it is ...202032452572
applying genomic data in wildlife monitoring: development guidelines for genotyping degraded samples with reduced single nucleotide polymorphism panels.the genomic era has led to an unprecedented increase in the availability of genome-wide data for a broad range of taxa. wildlife management strives to make use of these vast resources to enable refined genetic assessments that enhance biodiversity conservation. however, as new genomic platforms emerge, problems remain in adapting the usually complex approaches for genotyping of noninvasively collected wildlife samples. here, we provide practical guidelines for the standardized development of red ...202031925943
molecular survey of metastrongyloid lungworms in domestic cats (felis silvestris catus) from romania: a retrospective study (2008-2011).: background: lungworms are recognized as important agents in the pathology of the respiratory system in domestic cats. while aelurostrongylus abstrusus is worldwide known and studied, troglostrongylus brevior has gained the attention of the scientific community only in the last decade. the pathogenicity of this species seems to be higher than a. abstrusus, causing more severe clinical presentations and being potentially fatal, especially in young animals.202031991881
fragmentation and low density as major conservation challenges for the southernmost populations of the european wildcat.knowledge of population dynamics of threatened species in the wild is key to effective conservation actions. however, at present, there are many examples of endangered animals for which their current situation is unknown, and not just in remote areas and less developed countries. we have explored this topic by studying the paradigmatic case of the european wildcat (felis silvestris silvestris), an endangered small carnivore whose status has been subjectively established on the basis of non-syste ...202031990935
hybridization between felis silvestris silvestris and felis silvestris catus in two contrasted environments in france.european wildcat (felis silvestris silvestris) populations are fragmented throughout most of the whole range of the subspecies and may be threatened by hybridization with the domestic cat f.s. catus. the underlying ecological processes promoting hybridization remain largely unknown. in france, wildcats are mainly present in the northeast and signs of their presence in the pyrenees have been recently provided. however, no studies have been carried out in the french pyrenees to assess their exposu ...202031988727
illegal trade in wild cats and its link to chinese-led development in central and south america.seizures of hundreds of jaguar heads and canines in central and south america from 2014 to 2018 resulted in worldwide media coverage suggesting that wildlife traffickers are trading jaguar body parts as substitutes for tiger parts to satisfy the demand for traditional asian medicine. we compiled a data set of >1000 seized wild cats (jaguar [panthera onca], puma [puma concolor], and ocelot [leopardus pardalis]) from 19 central and south american countries and china. we ran generalized additive mi ...202032484587
granulosa cells in three-dimensional culture: a follicle-like structure for domestic cat vitrified oocytes.follicle-like structures are three-dimensional matrices joint with living cells that allow the in vitro development of female gametes in more physiological conditions. they have been shown to be beneficial to fresh oocytes in different species, and in this study, domestic cat (felis silvestris catus) granulosa cells were used to create a functional follicle-like structure aimed at supporting the in vitro maturation of conspecific vitrified oocytes, key players of fertility preservation programme ...202031913547
distribution of infectious endogenous retroviruses in mixed-breed and purebred cats.endogenous retroviruses of domestic cats (erv-dcs) are members of the genus gammaretrovirus that infect domestic cats (felis silvestris catus). uniquely, domestic cats harbor replication-competent proviruses such as erv-dc10 (erv-dc18) and erv-dc14 (xenotropic and nonecotropic viruses, respectively). the purpose of this study was to assess invasion by two distinct infectious erv-dcs, erv-dc10 and erv-dc14, in domestic cats. of a total sample of 1646 cats, 568 animals (34.5%) were positive for er ...202031748876
structural and mechanistic studies of the rare myristoylation signal of the feline immunodeficiency virus.all retroviruses encode a gag polyprotein containing an n-terminal matrix domain (ma) that anchors gag to the plasma membrane and recruits envelope glycoproteins to virus assembly sites. membrane binding by the gag protein of hiv-1 and most other lentiviruses is dependent on n-terminal myristoylation of ma by host n-myristoyltransferase enzymes (nmts), which recognize a six-residue "myristoylation signal" with consensus sequence: m1gxxx[st]. for unknown reasons, the feline immunodeficiency virus ...202032442659
characterization of mesenchymal stem cells derived from adipose tissue of a cougar (puma concolor).adipose derived mesenchymal stem cells (amscs) have been isolated from domestic and wild cats. for wild cats, the isolation of amscs has been reported in the black-footed cats (felis nigripes) and guigna (leopardus guigna). stromal vascular fraction (svf) isolated from cougar adipose tissue have been used to restore elbow functionality in the cougar (puma concolor) but multipotent characteristics of these cells have not been described. the present study describes for the first time the isolation ...202032714450
sars-cov-2 natural transmission from human to cat, belgium, march 2020.in march 2020, a severe respiratory syndrome developed in a cat, 1 week after its owner received positive test results for severe acute respiratory syndrome coronavirus 2. viral rna was detected in the cat's nasopharyngeal swab samples and vomitus or feces; immunoglobulin against the virus was found in convalescent-phase serum. human-to-cat transmission is suspected.202032788033
streptobacillus felis, a member of the oropharynx microbiota of the felidae, isolated from a tropical rusty-spotted cat.streptobacillus felis is a fastidious microorganism and a novel member of the potentially zoonotic bacteria causing rat bite fever. since its description, this is the second isolation of s. felis in a diseased member of the felidae. interestingly, the strain from this study was isolated from a zoo held, rusty-spotted cat (prionailurus rubiginosus), with pneumonia, thereby indicating a possible broader host range in feline species. a recent preliminary sampling of domestic cats (felis silvestris ...202032776203
a household case evidences shorter shedding of sars-cov-2 in naturally infected cats compared to their human owners.severe acute respiratory syndrome coronavirus 2 (sars-cov-2) has been detected in domestic and wild cats. however, little is known about natural viral infections of domestic cats, although their importance for modelling disease spread, informing strategies for managing positive human-animal relationships and disease prevention. here, we describe the sars-cov-2 infection in a household of two human adults and sibling cats (one male and two females) using real-time rt-pcr, an elisa test, viral seq ...202133317424
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
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