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16 results for “Lasiopodomys brandtii”
Fig. 2 in Influence of biotic and abiotic factors on flea species population dynamics on Lasiopodomys brandtii
Fig. 2. Community structure of Lasiopodomys brandtii fleas by seasons. Three flea species were collected throughout the study meanwhile, Rhadinopsylla rothschildi was only detected in autumn. The top of each column indicates the number of samples for each season.
Density-dependent changes of mating system and family structure in Brandt's voles (Lasiopodomys brandtii)
<p>A mating system is an important life history for animals dealing with changing environments. Population density affects the plasticity of a mating system and subsequently the family structure of animals, but its impacts on mating systems and social structures are rarely investigated by using molecular markers in field conditions. In this study, using microsatellite genetic markers, we examined the changes in the social and genetic mating system and family structure of Brandt's voles in the grassland of Inner Mongolia, China, under low-, medium-, and high-density enclosures (each enclosure 0.48-ha with 4 replicates.) We found, that with the increase in population density of the founder voles introduced into the enclosure in early spring, both sexes increased their number of genetic mating partners, while males increased their social partners, resulting in a more promiscuous mating system. The number of genetic fathers and mothers per family, the number of social offspring per founder male or female, and the proportion of extra-group offspring increased with increased density, indicating that the response of the family structure to density change which is consistent with the change in mating system observed in our study. Both male and female voles had multiple mates, but males had a larger number of social and genetic mates, the number of social and genetic offspring, and the number of social and genetic families. Our study highlights the significance of density-dependent plasticity of a mating system and family structure in affecting the population change of small mammals.</p>
Fig. 1 in Influence of biotic and abiotic factors on flea species population dynamics on Lasiopodomys brandtii
Fig. 1. Map of the study area.
Density-dependent changes of mating system and family structure in Brandt's voles (Lasiopodomys brandtii)
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Data from: Brandt’s vole (Lasiopodomys brandtii) affects the dominant position of three gramineous species by altering defense traits and interspecific competition
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Fig. 3 in Effect of Group Density on the Physiology and Aggressive Behavior of Male Brandt's Voles (Lasiopodomys brandtii)
Fig. 3. Duration of male Brandt's voles (Lasiopodomys brandtii) engaging in aggressive behavior during a 30-min period in the three-voles and the five-voles groups. Error bars indicate standard error. Same letters indicate no significant differences between age groups at P <0.05 (n = 12).
Fig. 2 in Effect of Group Density on the Physiology and Aggressive Behavior of Male Brandt's Voles (Lasiopodomys brandtii)
Fig. 2. Concentration of corticosterone (CORT) (A) and testosterone (T) (B) in the serum of male Brandt's voles (Lasiopodomys brandtii) in the three-voles and the five-voles groups. Error bars indicate standard error. *indicates significant differences between two groups at P <0.05 (n = 6).
Fig. 4 in Effect of Group Density on the Physiology and Aggressive Behavior of Male Brandt's Voles (Lasiopodomys brandtii)
Fig. 4. Relative mRNA expression levels of TPH2 (A), 5HT1A (B) and 5HT1B (C) in the dorsal raphe nucleus (DRN), amygdala (AMY), and medial prefrontal cortex (mPFC) of male Brandt's voles (Lasiopodomys brandtii) in the three-voles and the five-voles group. Error bars indicate standard error. Same letters connect bars with no significant differences at P <0.05 (n = 6).
Fig. 1 in Effect of Group Density on the Physiology and Aggressive Behavior of Male Brandt's Voles (Lasiopodomys brandtii)
Fig. 1. Body weight (A), and relative weight of testis (B), epididymis (C), and spleen (D) of male Brandt's voles (Lasiopodomys brandtii) in the three-voles and the five-voles groups. Error bars indicate standard error. *indicates significant differences at P <0.05 and ***indicates significant differences at P <0.001 between two groups (n = 6). Note: Relative weight of testis, epididymis, and spleen was calculated as paired testes, paired epididymis, and spleen weights (g), respectively, divided by body weight (g).
Figure 1 from: Dai X, Zhou L-Y, Xu T-T, Wang Q-Y, Luo B, Li Y-Y, Gu C, Li S-P, Wang A-Q, Wei W-H, Yang S-M (2020) Reproductive responses of the male Brandt's vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid. Zoologia 37: 1-11. https://doi.org/10.3897/zoologia.37.e52232
Figure 1 The effect of TA on body weight. The body weight of male Lasiopodomys brandtii provided low dose (3 mg/mL) and high dose (6 mg/mL) tannic acid (TA) from four weeks of age to eight weeks of age. Error bars indicate standard error (n = 6).
Figure 13 from: Dai X, Zhou L-Y, Xu T-T, Wang Q-Y, Luo B, Li Y-Y, Gu C, Li S-P, Wang A-Q, Wei W-H, Yang S-M (2020) Reproductive responses of the male Brandt's vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid. Zoologia 37: 1-11. https://doi.org/10.3897/zoologia.37.e52232
Figure 13 The effect of TA on the expression of autophagy-related genes. Relative mRNA expression levels of LC3A and Beclin1 in the testes of male Lasiopodomys brandtii provided low dose (3 mg/mL) and high dose (6 mg/mL) tannic acid (TA). Error bars indicate standard error. Same letters connect bars with no significant differences at p < 0.05 (n = 6).
Figure 10-12 from: Dai X, Zhou L-Y, Xu T-T, Wang Q-Y, Luo B, Li Y-Y, Gu C, Li S-P, Wang A-Q, Wei W-H, Yang S-M (2020) Reproductive responses of the male Brandt's vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid. Zoologia 37: 1-11. https://doi.org/10.3897/zoologia.37.e52232
Figure 10-12 The effect of TA on the content of anti-oxidative enzymes in serum. GSH-Px (10), CAT (11), and SOD (12) level in the serum of male Lasiopodomys brandtii provided low dose (3 mg/mL) and high dose (6 mg/mL) tannic acid (TA). Error bars indicate standard error. Same letters connect bars with no significant differences at p < 0.05 (n = 6).
Figure 6-9 from: Dai X, Zhou L-Y, Xu T-T, Wang Q-Y, Luo B, Li Y-Y, Gu C, Li S-P, Wang A-Q, Wei W-H, Yang S-M (2020) Reproductive responses of the male Brandt's vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid. Zoologia 37: 1-11. https://doi.org/10.3897/zoologia.37.e52232
Figure 6-9 The effect of TA on the reproduction-related hormones concentration and StAR expression. Concentrations of luteinizing hormone (LH) (6), follicle-stimulating hormone (FSH) (7), and testosterone (T) (8) in the serum and relative mRNA expression levels of steroidogenic acute regulatory protein (StAR) (9) in the testes of male Lasiopodomys brandtii provided low dose (3 mg/mL) and high dose (6 mg/mL) tannic acid (TA). Error bars indicate standard error. Same letters connect bars with no significant differences at p < 0.05 (n = 6).
Figure 4-5 from: Dai X, Zhou L-Y, Xu T-T, Wang Q-Y, Luo B, Li Y-Y, Gu C, Li S-P, Wang A-Q, Wei W-H, Yang S-M (2020) Reproductive responses of the male Brandt's vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid. Zoologia 37: 1-11. https://doi.org/10.3897/zoologia.37.e52232
Figure 4-5 The effect of TA on the sperm quality. Sperm density (4), Sperm abnormality rate (5), and Sperm mortality rate (5) in the epididymis of male Lasiopodomys brandtii provided low dose (3 mg/mL) and high dose (6 mg/mL) tannic acid (TA). Error bars indicate standard error. Same letters connect bars with no significant differences at p < 0.05 (n = 6).
Figures 2-3 from: Dai X, Zhou L-Y, Xu T-T, Wang Q-Y, Luo B, Li Y-Y, Gu C, Li S-P, Wang A-Q, Wei W-H, Yang S-M (2020) Reproductive responses of the male Brandt's vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid. Zoologia 37: 1-11. https://doi.org/10.3897/zoologia.37.e52232
Figures 2-3 The effect of TA on the reproductive organ weight. Relative testis weight (2) and relative epididymis weight (3) of male Lasiopodomys brandtii provided low dose (3 mg/mL) and high dose (6 mg/mL) tannic acid (TA). Error bars indicate standard error. Same letters connect bars with no significant differences at p < 0.05 (n = 6). Note: Relative testis and epididymis weight were calculated as paired testes and epididymis weight (g) divided by body weight (g).
Supplementary material 1 from: Shi L, Jiang M, Li M, Shang X, Li X, Huang M, Wu Y, Qiao C, Wang X, Tian X, Shi Y, Wang Z (2021) Regulation of HIF-1α and p53 in stress responses in the subterranean rodents Lasiopodomys mandarinus and Lasiopodomys brandtii (Rodentia: Cricetidae). Zoologia 38: 1-11. https://doi.org/10.3897/zoologia.38.e58607
Figure S1.
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