Protein content in urine of male and female water vole (Arvicola amphibius) at the period of spring growth and sexual maturation

Назарова, Г. Г.; Proskurnyak, L. P.

doi:10.1134/s0022093013030110

Cited by 5 publications

(2 citation statements)

References 14 publications

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“…The chemical composition of urine and its function have been reported in many animals, such as Ailuropoda melanoleuca (Liu et al 2012), Arvicola amphibius (Nazarova & Proskurnyak 2013), Mus musculus (Zhang et al 2007), Panthera leo (Andersen & Vulpius 1999) and Lynx rufus (Mattina et al 1991). Ailuropoda melanoleuca rely on urine to distinguish distant relatives and avoid inbreeding or excessive inbreeding (Liu et al 2012).…”

Section: Introductionmentioning

confidence: 99%

“…Ailuropoda melanoleuca rely on urine to distinguish distant relatives and avoid inbreeding or excessive inbreeding (Liu et al 2012). Female A. amphibius rely on a urinary protein in males to select a mate (Nazarova & Proskurnyak 2013). A urinary protein in M. musculus acts as a cue for gender identification and encodes age information (Kwak et al 2013).…”

Section: Introductionmentioning

confidence: 99%

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Study of chemical communication based on urine in tree shrews Tupaia belangeri (Mammalia: Scandentia: Tupaiidae)

Wan-long

Wang

2017

The European Zoological Journal

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Chemical communication plays a key role in mammalian reproductive and social behaviour. The chemical constituents of urine are the main signal resource that can encode sex, quality and social status. In order to investigate the role of urine in the reproductive biology of Tupaia belangeri, the volatile components of urine were analysed by gas chromatography-mass spectrometry, and the behaviour of the tree shrew in response to urinary odour was investigated in a Y-maze test. The results show that hydrocarbons were the major components of urine in wild, acclimated and laboratory-breeding animals. The concentrations of the chemical components in urine from individuals in the wild population were higher than those in the acclimated and breeding animals. Tupaia belangeri showed significant differences in reactions of individuals and urinary odour. Males and females had different components in their urine. The stay duration of male tree shrews to the urinary odour of females in oestrus or lactating was significantly longer than that to the odour of pregnant females. The chemical components were different at different reproductive stages. Taken together, these results suggest that the odour of urine can encode female reproductive status and gender. Tupaia belangeri relies on these odours to recognise sex and choose a mate. Chemical communication based on signals in urine plays an important role in the reproduction of T. belangeri.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study of chemical communication based on urine in tree shrews Tupaia belangeri (Mammalia: Scandentia: Tupaiidae)

Wan-long

Wang

2017

The European Zoological Journal

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The Presence Of Strange Males’ Odor Induces Behavioral Responses And Elevated Levels Of Low Molecular Weight Proteins Excreted In The Urine Of Mature Water Vole Males (Arvicola amphibius L)

2016

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We hypothesized that low molecular weight urinary proteins play a role in male-male chemical communication in the water vole, Arvicola ampibius L. We studied the effect of placing soiled litter from strange males into the cage of another sexually mature male on the intensity of its digging and scattering, urination on the litter, and alteration in the levels of low molecular weight proteins (15-25 kDa) excreted in the urine before and after 4 days of exposure as determined by chip electrophoresis. The intensity of digging and scattering was positively correlated with levels of testosterone in serum of males exposed to strange male odors (r = 0.56; P < 0.01), as well as with the concentration of low molecular weight proteins in the donor's urine (r = 0.52, P < 0.05). At the end of the experiment, the level of low molecular weight protein in excreted urine was elevated in the males exposed to the strange male's litter. These results highlight the importance of quantitative inter-individual variation of low molecular weight urinary proteins in the modulation of the physiology and behavior of conspecifics.

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Sexual size dimorphism correlates with the number of androgen response in mammals, but only in small-bodied species

Ghione,

Dean

2024

Preprint

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Sexual size dimorphism (SSD) is common throughout the animal kingdom. “Rensch’s Rule” was proposed nearly 80 years ago, named for the observation that the magnitude of SSD in male-larger species increased with average body size. Here we re-examine this trend across 268 mammalian species with full genome assemblies and annotations, and place the evolution of SSD in the context of androgen response elements or estrogen response elements, the DNA motifs to which sex hormone receptors bind. Hormone receptors provide intuitive mechanisms for sex-specific regulation of the genome and could greatly impact SSD. We find that the three relatively large-bodied lineages (orders Carnivora, Cetartiodactyla, and Primates) follow Rensch’s Rule, and SSD does not correlate with the number of receptor elements. In contrast, SSD in small-bodied lineages (Chiroptera and Rodentia) correlates with the number of androgen response elements, but SSD does not correlate with overall body size. One hypothesis to unify our observations is that small-bodied organisms like bats and rodents tend to reach peak reproductive fitness quickly and are more reliant on hormonal signaling to achieve SSD over relatively short time periods. Our study uncovers a previously unappreciated relationship between SSD, body size, and hormone signaling that likely varies in ways related to life history.

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Protein content in urine of male and female water vole (Arvicola amphibius) at the period of spring growth and sexual maturation

Cited by 5 publications

References 14 publications

Study of chemical communication based on urine in tree shrews Tupaia belangeri (Mammalia: Scandentia: Tupaiidae)

Study of chemical communication based on urine in tree shrews Tupaia belangeri (Mammalia: Scandentia: Tupaiidae)

The Presence Of Strange Males’ Odor Induces Behavioral Responses And Elevated Levels Of Low Molecular Weight Proteins Excreted In The Urine Of Mature Water Vole Males (Arvicola amphibius L)

Sexual size dimorphism correlates with the number of androgen response in mammals, but only in small-bodied species

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