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157 results for “Microtus”
FIGURE 6. Paranoplocephala omphalodes from Microtus agrestis from Finland. A. Scolex and neck. B in Phylogenetic relationships and taxonomic revision of Paranoplocephala Lühe, 1910 sensu lato (Cestoda, Cyclophyllidea, Anoplocephalidae)
FIGURE 6. Paranoplocephala omphalodes from Microtus agrestis from Finland. A. Scolex and neck. B. Mature proglottid.
Microtus oregoni decontaminated FSCR
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Microtus richardsoni SPAdes preassembly
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Microtus richardsoni decontaminated FSCR
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Supplementary material 1 from: Fernandes N, Ferreira EM, Pita R, Mira A, Santos SM (2022) The effect of habitat reduction by roads on space use and movement patterns of an endangered species, the Cabrera vole Microtus cabrerae. In: Santos S, Grilo C, Shilling F, Bhardwaj M, Papp CR (Eds) Linear Infrastructure Networks with Ecological Solutions. Nature Conservation 47: 177-196. https://doi.org/10.3897/natureconservation.47.71864
The effect of habitat encroachment by roads on space use and movement patterns of an endangered vole
Microtus richardsoni decontaminated gx
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On following pages: 115. Reed Vole (Alexandromys fortis); 116. Sakhalin Vole (Alexandromys sachalinensis); 117. Mongolian Vole (Alexandromys mongolicus); 118. Middendorff's Vole (Alexandromys middendorffii; 119. Gromov's Vole (Alexandromys gromovi); 120. Lacustrine Vole (Alexandromys limnophilus); 121. Root Vole (Alexandromys oeconomus); 122. Taiwan Vole (Alexandromys kikuchii); 123. Japanese Grass Vole (Alexandromys montebell); 124. Afghan Vole (Microtus afghanus); 125. Bucharian Vole (Microtus bucharensis); 126. Juniper Vole (Microtus juldaschi); 127. Short-tailed Field Vole (Microtus agrestis); 128. Mediterranean Field Vole (Microtus lavernedii): 129. Portuguese Field Vole (Microtus rozianus); 130. Insular Vole (Microtus abbreviatus); 131. Singing Vole (Microtus miurus); 132. Rock Vole (Microtus chrotorrhinus); 133. Zempoaltepec Vole (Microtus umbrosus); 134. Tarabundi Vole (Microtus oaxacensis); 135. Guatemalan Vole (Microtus guatemalensis); 136. Woodland Vole (Microtus pinetorum); 137. Jalapan Vole (Microtus quasiater); 138. California Vole (Microtus californicus): 139. Beach Vole (Microtus brewer); 140. Mexican Vole (Microtus mexicanus); 141. Mogollon Vole (Microtus mogollonensis); 142. Prairie Vole (Microtus ochrogasten; 143. Taiga Vole (Microtus xanthognathus); 144. Cabrera''s Vole (Microtus cabrerae); 145. North American Water Vole (Microtus richardson); 146. Gray-tailed Vole (Microtus canicaudus). in Cricetidae
On following pages: 115. Reed Vole (Alexandromys fortis); 116. Sakhalin Vole (Alexandromys sachalinensis); 117. Mongolian Vole (Alexandromys mongolicus); 118. Middendorff's Vole (Alexandromys middendorffii; 119. Gromov's Vole (Alexandromys gromovi); 120. Lacustrine Vole (Alexandromys limnophilus); 121. Root Vole (Alexandromys oeconomus); 122. Taiwan Vole (Alexandromys kikuchii); 123. Japanese Grass Vole (Alexandromys montebell); 124. Afghan Vole (Microtus afghanus); 125. Bucharian Vole (Microtus bucharensis); 126. Juniper Vole (Microtus juldaschi); 127. Short-tailed Field Vole (Microtus agrestis); 128. Mediterranean Field Vole (Microtus lavernedii): 129. Portuguese Field Vole (Microtus rozianus); 130. Insular Vole (Microtus abbreviatus); 131. Singing Vole (Microtus miurus); 132. Rock Vole (Microtus chrotorrhinus); 133. Zempoaltepec Vole (Microtus umbrosus); 134. Tarabundi Vole (Microtus oaxacensis); 135. Guatemalan Vole (Microtus guatemalensis); 136. Woodland Vole (Microtus pinetorum); 137. Jalapan Vole (Microtus quasiater); 138. California Vole (Microtus californicus): 139. Beach Vole (Microtus brewer); 140. Mexican Vole (Microtus mexicanus); 141. Mogollon Vole (Microtus mogollonensis); 142. Prairie Vole (Microtus ochrogasten; 143. Taiga Vole (Microtus xanthognathus); 144. Cabrera''s Vole (Microtus cabrerae); 145. North American Water Vole (Microtus richardson); 146. Gray-tailed Vole (Microtus canicaudus).
Microtus oregoni decontaminated gx
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Behavioral trajectories of aging prairie voles (Microtus ochrogaster): Adapting behavior to social context wanes with advanced age
<p>Several studies using mice have examined the effects of aging on cognitive tasks, as well as sensory and motor functions. However, few studies have examined the influence of aging on social behavior. Prairie voles (<em>Microtus ochrogaster</em>) are a socially monogamous and biparental rodent that live in small family groups and are now among the most popular rodent models for studies examining social behavior. Although the social behavioral trajectories of early-life development in prairie voles have been well-studied, how social behavior may change throughout adulthood remains unknown. Here we examined behavior in virgin male and female prairie voles in four different age groups: postnatal day (PND) 60–80, 140–160, 220–240, and 300–320. All animals underwent testing in a novel object task, a dominance test, a resident-intruder test, and several iterations of social approach and social interaction tests with varying types of social stimuli (i.e., novel same-sex conspecific, novel opposite-sex conspecific, familiar same-sex sibling/cagemate, small group of novel same-sex conspecifics). We found that age influenced neophobia and dominance, but not social approach behavior. Further, we found that young adult, but not older adult, prairie voles adapt prosocial and aggressive behavior relative to social context and that selective aggression occurs in relation to age even in the absence of a pair bond. Our results suggest that prairie voles calibrate social phenotype in a context-dependent manner in young adulthood and stop adjusting behavior to social context in advanced age, demonstrating that social behavior is plastic not only throughout early development but also well into adulthood. Together, this study provides insight into age-related changes in social behavior in prairie voles and shows that prairie voles may be a viable model for studying the cognitive and physiological benefits of social relationships and social engagement in advanced age.</p>
Figure 3 in Variation in leukocyte indices and immunoglobulin levels according to host density, sex, flea burden and tularemia prevalence in the common vole Microtus arvalis
Figure 3: Relationships between the proportion of eosinophils and a) vole density (number of captured voles/100 traps/24 h), and b) tularemia and flea prevalence in voles. The grey shaded area shows the 95 % confidence intervals of the predicted curve (a; left) and error bars show standard deviations (b; right).
Figure 2 in Variation in leukocyte indices and immunoglobulin levels according to host density, sex, flea burden and tularemia prevalence in the common vole Microtus arvalis
Figure 2: Relationship between the neutrophil-to-lymphocyte (N:L) ratio and vole density index according to sex. Vole density was estimated as the number of captured voles/100 traps/24 h. Grey shaded areas show the 95 % confidence intervals of the predicted curves.
Figure 1 in Variation in leukocyte indices and immunoglobulin levels according to host density, sex, flea burden and tularemia prevalence in the common vole Microtus arvalis
Figure 1: Relationship between the a) neutrophil-to-lymphocyte (N:L) ratio and immunoglobulin (Ig) levels according to vole sex, and between the b) proportion of eosinophils and Ig levels. Grey shaded areas show the 95 % confidence intervals of the predicted curves.
Figure 1 in Sex chromosome polymorphism in Bulgarian populations of Microtus guentheri (Danford & Alston, 1880)
Figure 1. Topographic location of the investigated population: 1 – Eastern Rodop Mountains (Latitude 41° 229 North; Longitude 26° 289 East), 2 – Strandzha Mountain (Latitude 42° 559 North; Longitude 27° 519 East).
Microtus oregoni SPAdes preassembly
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Association of SNPs in Microtus arvalis and clade infections by TULV-CEN.S and TULV-EST.S
<p>The natural host ranges of many viruses are restricted to very specific taxa. Little is known about the molecular barriers between species that lead to the establishment of this restriction or generally prevent virus emergence in new hosts. Here, we identify genomic polymorphisms in a natural rodent host associated with a strong genetic barrier to the transmission of the European Tula orthohantavirus (TULV). We analyzed the very abrupt spatial transition between two major phylogenetic clades in TULV across the comparatively much wider natural hybrid zone between evolutionary lineages of their reservoir host, the common vole (<i>Microtus arvalis</i>). A genomic scan of 79 225 Single Nucleotide Polymorphisms (SNPs) in 323 TULV infected host individuals detected 30 SNPs that were associated with specific TULV clades in two replicate sampling transects. Focusing the analysis on 199 voles with evidence of genomic admixture at the individual level (0.1 - 0.9) supported statistical significance for all 30 loci. Host genomic variation at these SNPs explained up to 37.6% of clade-specific TULV infections. Genes in the vicinity of associated SNPs are involved in functions related to immune response or membrane transport. This study demonstrates the relevance of natural hybrid zones as systems not only for studying processes of evolutionary divergence and speciation, but also for the detection of evolving genetic barriers for specialized parasites.</p>
FIGURE 19 in Distribution and variation of the giant alpha anoles (Squamata: Dactyloidae) of the genus Dactyloa in the highlands of western Panama, with the description of a new species formerly referred to as D. microtus
FIGURE 19. Habitats of Dactyloa in western Panama. From west to east (collected species in parentheses): (A) Lower Montane Wet Forest (LMWF) at Río Changena, 1640 m asl (D. microtus); (B) LMWF at Sendero La Cascada, 1830 m asl (D. ginaelisae); (C) Premontane Wet Forest (PMWF) at headwaters of Río Chiriquí Malí, BPPS, 1050 m asl (westernmost and highest locality for D. kunayalae); (D) PMWF at Willie Mazú, 640 m asl (D. frenata, D. ibanezi, and D. insignis); E) PMWF at Cerro Pata de Macho, RFLF, ca. 1500 m asl (D. casildae and D. ginaelisae); (F) looking north from pasture at ca. 1800 m asl onto primary and secondary LMWF along valley of Quebrada Juglí, ca. 1710 m asl (type locality of D. ginaelisae); (G) LMWF at Cerro Santiago near La Nevera, 1810 m asl (D. ginaelisae); (H) looking from PMWF at Cerro Negro, 700 m asl (D. frenata), towards PMWF on Cerro Mariposa (D. frenata, D. ibanezi, D. insignis, and D. kunayalae).
FIGURE 18 in Distribution and variation of the giant alpha anoles (Squamata: Dactyloidae) of the genus Dactyloa in the highlands of western Panama, with the description of a new species formerly referred to as D. microtus
FIGURE 18. Preserved specimens of Dactyloa from western Panama: (A–D) Dactyloa casildae, (A) and (B) young male MHCH 2121, SVL = 69 mm; (C) and (D) female SMF 89453, SVL = 81 mm; (E–G) D. frenata, (E) male SMF 89467, SVL = 132 mm, (F) and (G) young male SMF 91460, SVL = 72 mm; (H–J) D. ibanezi, (H) male paratype SMF 89459, SVL = 78 mm, (I) and (J) female SMF 91475, SVL = 78 mm; (K–M) D. insignis, (K) adult female SMF 89482, SVL = 124 mm, (L) and (M) juvenile female SMF 91477, SVL = 64 mm; (N–Q) D. kunayalae, (N) and (O) male SMF 91484, SVL = 103 mm; (P) and (Q) young female SMF 91485, SVL = 64 mm; (R) and (S) D. ginaelisae, female SMF 91503, SVL = 100 mm; (T) and (U) D. microtus, young male SMF 91499, SVL = 65 mm.
FIGURE 15 in Distribution and variation of the giant alpha anoles (Squamata: Dactyloidae) of the genus Dactyloa in the highlands of western Panama, with the description of a new species formerly referred to as D. microtus
FIGURE 15. Specimens of Dactyloa kunayalae from western Panama: (A) adult male SMF 91484 from BPPS; (B) young female SMF 91485 from Río Hacha; (C) female SMF 96009 from Cerro Mariposa; (D) SMF 96009 in sleeping position; (E) uncollected, probably male specimen from Río Chilagres; (F–H) dewlaps of (F) male SMF 91484, (G) female SMF 96009, and (H) young female SMF 91485; (I) lateral, (J) dorsal, and (K) ventral views of head of SMF 91485; (L) ventral view of SMF 91485; (M) enlarged postcloacal scales of SMF 91484; ventral views of (N) left foot and (O) left hand of SMF 91485.
FIGURE 12 in Distribution and variation of the giant alpha anoles (Squamata: Dactyloidae) of the genus Dactyloa in the highlands of western Panama, with the description of a new species formerly referred to as D. microtus
FIGURE 12. Specimens of Dactyloa frenata from western Panama: (A) adult male SMF 89467 from Cerro Mariposa, photo by Nadim Hamad and Leonhard Stadler; (B) juvenile male SMF 91459 and (C) young male SMF 91460 from Willie Mazú; (D) female SMF 89897 from Cerro Negro; (E–G) dewlaps of (E) adult male SMF 89467, photo by Nadim Hamad and Leonhard Stadler, (F) young male SMF 91460, and (G) female SMF 89897; (H) lateral, (I) dorsal, and (J) ventral views of head of SMF 91460; enlarged postcloacal scales of (K) SMF 91460 and (L) SMF 91459; ventral views of (M) left foot and (N) left hand of SMF 91460.
FIGURE 7 in Distribution and variation of the giant alpha anoles (Squamata: Dactyloidae) of the genus Dactyloa in the highlands of western Panama, with the description of a new species formerly referred to as D. microtus
FIGURE 7. Specimens of Dactyloa microtus from Costa Rica: (A–H) holotype USNM 31282, adult female, SVL = 106 mm: entire specimen photographed by James Pointdexter in (A) lateral and (B) ventral view; (C) dorsal, (D) lateral, and (E) ventral view of head; (F) ventral view of cloacal region showing lack of enlarged postcloacal scales; (G) detail of dorsal scales at midbody, arrows indicate middorsal rows; (H) detail of subcaudal scales, each bearing more than one prominent keel; (I, J) individual photographed by Mason Ryan at Parque Nacional Tapantí, Cartago province; (K, L) individual photographed by Daniel Cascante at Cerro Dantas, Heredia province. Scale bars = 1 mm, all arrows point posteriorly.
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