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20 results for “Felis silvestris”
Fig. 6 in Molecular analysis of blood-associated pathogens in European wildcats (Felis silvestris silvestris) from Germany
Fig. 6. Median Joining haplotype network of the 18 S rRNA sequences (561 nucleotide positions) of Hepatozoon felis (A, B) and pie chart of the 18 S rRNA gene (572 nucleotide positions) of Hepatozoon silvestris (C, D) showing the geographical distribution (A, C) and the reported hosts (B, D). Circles represent haplotypes; numbers within the circles represent the number of individuals, if no number is shown, then only one individual is represented; labels next to circles specify organism name and representative GenBank accession numbers of the haplotypes, white circles represent intermediate nodes; bars on branches interconnecting haplotypes represent the number of substitutions; and asterisks mark haplotypes containing the individuals obtained in the present study.
Fig. 5 in Molecular analysis of blood-associated pathogens in European wildcats (Felis silvestris silvestris) from Germany
Fig. 5. Median Joining haplotype network of the 16 S rRNA sequences (983 nucleotide positions) of Candidatus Mycoplasma haematominutum showing the geographical distribution (A) and the reported hosts (B). Circles represent haplotypes; numbers within the circles represent the number of individuals, if no number is shown, then only one individual is represented; labels next to circles specify representative GenBank accession numbers of the haplotypes, white circles represent intermediate nodes; bars on branches interconnecting haplotypes represent the number of substitutions; and asterisks mark haplotypes containing the individuals obtained in the present study.
Fig. 2 in Molecular analysis of blood-associated pathogens in European wildcats (Felis silvestris silvestris) from Germany
Fig. 2. Geographic origin of the 96 European wildcats (Felis silvestris) from Germany included in this study. The gray area represents the geographic distribution of wildcats in Germany according to the National FFH Report 2019, plotted on the 10 × 10 km reference grid ETRS89-LAEA5210 EEA according to a compilation of the German Federal Agency for Nature Conservation (BfN) and monitoring data of the federal states (Bundesamt für Naturschutz, 2020). Abbreviations: Brandenburg (BB), Bremen (B), Berlin (BR), Baden-Württemberg (BW), Bavaria (BY), Hamburg (H), Hesse (HE), Mecklenburg-West Pomerania (MWP), Lower Saxony (LS), North Rhine-Westphalia (NRW), Rhineland-Palatinate (RP), Schleswig-Holstein (SH), Saarland (S), Saxony (SN), Saxony-Anhalt (SA) and Thuringia (TH).
Fig. 1 in Molecular analysis of blood-associated pathogens in European wildcats (Felis silvestris silvestris) from Germany
Fig. 1. Distribution of wildcat samples in total number of wildcats (y-axis) collected per year (x-axis).
Fig. 4 in Molecular analysis of blood-associated pathogens in European wildcats (Felis silvestris silvestris) from Germany
Fig. 4. Co-infection scheme of detected pathogens, excluding M. ovis. Numbers represent counts of European wildcats (Felis silvestris) with respective pathogen (s) detected.
Fig. 3 in Molecular analysis of blood-associated pathogens in European wildcats (Felis silvestris silvestris) from Germany
Fig. 3. Geographical distribution of uninfected (white dots) and infected European wildcats (Felis silvestris) from Germany according to detected pathogens. A: red dots represent detection of Cytauxzoon europaeus; B: red dots represent detection of Hepatozoon silvestris, green dots represent detection of Hepatozoon felis; C: red dots represent detection of Bartonella spp.; D: red dots represent detection of Candidatus Mycoplasma haematominutum; green dots represent detection of Mycoplasma ovis; blue lines represent major rivers; and black lines represent borders of federal states. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 1 in First Molecular Detection of Giardia duodenalis Assemblage B in a Free-Living European Wildcat (Felis s. silvestris) from Luxembourg
Fig. 1. Neighbor-joining distance analysis of the β-giardin nucleotide sequences. FS1 – sequence of partial β-giardin gene of the isolate from wildcat (KX685669). Reference human isolates: WB and KC8, (X85958 and AY072723); LD18, Nij5, VAN/90/UBC/44, GH- 202 (AY072727, AY072725, KP687755, AB618785); A101 and – cat isolate, (AY647264 and EU769206); P15 – reference cow isolate, (AY072729); A29 and A27 – reference dog isolates (AY545646 and AY545648). G. muris (AY258618) represents an outgroup.
Camera trap image of Felis silvestris catus (2017-09-11T12:16:10Z)
Camera Trap Image taken in <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Camera trap image of Felis silvestris catus (2018-11-08T05:14:59Z)
Camera Trap Image taken in <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Camera trap image of Felis silvestris catus (2018-02-01T13:01:01Z)
Camera Trap Image taken in <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Data from: Towards a genome-wide approach for detecting hybrids: informative SNPs to detect introgression between domestic cats and European wildcats (Felis silvestris)
Endemic gene pools have been severely endangered by human-mediated hybridization, which is posing new challenges in the conservation of several vertebrate species. The endangered European wildcat is an example of this problem, as several natural populations are suffering introgression of genes from the domestic cat. The implementation of molecular methods for detecting hybridization is crucial for supporting appropriate conservation programs on the wildcat. In this study, genetic variation at 158 single-nucleotide polymorphisms (SNPs) was analyzed in 139 domestic cats, 130 putative European wildcats and 5 captive-bred hybrids (N=274). These SNPs were variable both in wild (HE=0.107) and domestic cats (HE=0.340). Although we did not find any SNP that was private in any population, 22 SNPs were monomorphic in wildcats and pairwise FCT values revealed marked differences between domestic and wildcats, with the most divergent 35 loci providing an average FCT>0.74. The power of all the loci to accurately identify admixture events and discriminate the different hybrid categories was evaluated. Results from simulated and real genotypes show that the 158 SNPs provide successful estimates of admixture, with 100% hybrid individuals (two to three generations in the past) being correctly identified in STRUCTURE and over 92% using the NEWHYBRIDS' algorithm. None of the unclassified cats were wrongly allocated to another hybrid class. Thirty-five SNPs, showing the highest FCT values, provided the most parsimonious panel for robust inferences of parental and first generations of admixed ancestries. This approach may be used to further reconstruct the evolution of wildcat populations and, hopefully, to develop sound conservation guidelines for its legal protection in Europe.
Data from: Linking genetic diversity and temporal fluctuations in population abundance of the introduced feral cat (Felis silvestris catus) on the Kerguelen Archipelago.
Linking temporal variations of genetic diversity, including allelic richness and heterozygosity, and spatio-temporal fluctuations in population abundance has emerged as an important tool for understanding demographic and evolutionary processes in natural populations. This so-called 'genetic monitoring' was conducted across 12 consecutive years (1996-2007) at three sites for the feral cat, introduced onto the Kerguelen Archipelago fifty years ago. Temporal changes in allelic richness and heterozygosity at 18 microsatellite DNA loci were compared to temporal changes in the adult population abundance index, obtained by typical demographic monitoring. No association was found at the island spatial scale but we observed an association between genetic diversity and adult population indices from year to year within each study site. More particularly, the magnitude of successive increases or decreases in the adult population abundance index appeared to be the major factor linking the trajectories of genetic diversity and adult population abundance indices. Natal dispersal and/or local recruitment, both facilitated by high juvenile survival when the adult population size is small, are proposed as the major demographic processes contributing to such an observed pattern. Finally, we suggested avoiding the use of the harmonic mean as an estimator of long-term population size to study the relationships between demographic fluctuations and heterozygosity in populations characterized by strong multi-annual density fluctuations.
Data from: Towards a genome-wide approach for detecting hybrids: informative SNPs to detect introgression between domestic cats and European wildcats (Felis silvestris)
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Data from: Linking genetic diversity and temporal fluctuations in population abundance of the introduced feral cat (Felis silvestris catus) on the Kerguelen Archipelago.
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Data from: A suite of genetic markers useful in assessing wildcat (Felis silvestris ssp.) - domestic cat (Felis silvestris catus) admixture
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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 sub-species, 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 North-East 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 exposure to hybridization. We compared two local populations of wildcats, one living in a continuous forest habitat in the French Pyrenees, the other living in a highly fragmented forest-agricultural landscape in Northeastern France to get insights into the variability of hybridization rates. Strong evidence of hybridization was detected in Northeastern France and not in the Pyrenees. Close kin in the Pyrenees were not found in the same geographic location contrary to what was previously reported for females in the Northeastern wildcat population. The two wildcat populations were significantly differentiated (Fst = 0.072) to an extent close to what has been reported (Fst = 0.103) between the Iberian population, from which the Pyrenean population may originate, and the German population, which is connected to the Northeastern population. The genetic diversity of the Pyrenean wildcats was lower than that of Northeastern wildcat populations in France and in other parts of Europe. The lower hybridization in the Pyrenees may result from the continuity of natural forest habitats. Further investigations should focus on linking landscape features to hybridization rates working on local populations.
Data from: An assessment of the role of the falx cerebri and tentorium cerebelli in the cranium of the cat (Felis silvestris catus)
The falx cerebri and the tentorium cerebelli are two projections of the dura mater in the cranial cavity which ossify to varying degrees in some mammalian species. The idea that the ossification of these structures may be necessary to support the loads arising during feeding has been proposed and dismissed in the past, but never tested quantitatively. To address this, a biomechanical model of a domestic cat (Felis silvestris catus) skull was created and the material properties of the falx and tentorium were varied for a series of loading regimes incorporating the main masticatory and neck muscles during biting. Under these loading conditions, ossification of the falx cerebri does not have a significant impact on the stress in the cranial bones. In the case of the tentorium, however, a localised increase in stress was observed in the parietal and temporal bones, including the tympanic bulla, when a non-ossified tentorium was modelled. These effects were consistent across the different analyses, irrespective of loading regime. The results suggest that ossification of the tentorium cerebelli may play a minor role during feeding activities by decreasing the stress in the back of the skull.
Data from: An assessment of the role of the falx cerebri and tentorium cerebelli in the cranium of the cat (Felis silvestris catus)
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Hybridization between Felis silvestris silvestris and Felis silvestris catus in two contrasted environments in France
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On following pages: 35. Sand Cat (Felis margarita); 36. Chinese Mountain Cat (Felis bieti); 37. Wildcat (Felis silvestris). in Felidae
On following pages: 35. Sand Cat (Felis margarita); 36. Chinese Mountain Cat (Felis bieti); 37. Wildcat (Felis silvestris).
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International Brain Laboratory public data
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OpenNeuro
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