Auditory sensitivity exhibits sexual dimorphism and seasonal plasticity in music frogs

Xue, Fei; Cui, Jianguo; Brauth, Steven E.; Tang, Yezhong; Fang, Guangzhan

doi:10.1007/s00359-018-1301-1

Cited by 10 publications

(10 citation statements)

References 86 publications

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“…In addition, the metabolism-related biological functions or signaling pathways were significantly enriched in large quantities based on the functional enrichment analysis. Generally, most female frogs put more efforts into spawning or performing special energy-consuming reproductive behaviors, and they were regarded as relatively “silent” during reproduction [ 62 , 67 ]. The physiological activities (e.g., energy production and metabolism) might contribute to the high-frequency hearing difference between the sexes of O. tormota via affecting the brain-processing and response to acoustic signals.…”

Section: Discussionmentioning

confidence: 99%

Comparative transcriptome analysis provides insights into the molecular mechanisms of high-frequency hearing differences between the sexes of Odorrana tormota

et al. 2022

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Background Acoustic communication is important for the survival and reproduction of anurans and masking background noise is a critical factor for their effective acoustic communication. Males of the concave-eared frog (Odorrana tormota) have evolved an ultrasonic communication capacity to avoid masking by the widespread background noise of local fast-flowing streams, whereas females exhibit no ultrasonic sensitivity. However, the molecular mechanisms underlying the high-frequency hearing differences between the sexes of O. tormota are still poorly understood. Results In this study, we sequenced the brain transcriptomes of male and female O. tormota, and compared their differential gene expression. A total of 4,605 differentially expressed genes (DEGs) between the sexes of O. tormota were identified and eleven of them were related to auditory based on the annotation and enrichment analysis. Most of these DEGs in males showed a higher expression trend than females in both quantity and expression quantity. The highly expressed genes in males were relatively concentrated in neurogenesis, signal transduction, ion transport and energy metabolism, whereas the up-expressed genes in females were mainly related to the growth and development regulation of specific auditory cells. Conclusions The transcriptome of male and female O. tormota has been sequenced and de novo assembled, which will provide gene reference for further genomic studies. In addition, this is the first research to reveal the molecular mechanisms of sex differences in ultrasonic hearing between the sexes of O. tormota and will provide new insights into the genetic basis of the auditory adaptation in amphibians during their transition from water to land.

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Section: Discussionmentioning

confidence: 99%

Comparative transcriptome analysis provides insights into the molecular mechanisms of high-frequency hearing differences between the sexes of Odorrana tormota

et al. 2022

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“…Sexually dimorphic behaviors are widespread in vocal animals such as insects, birds and anurans [48, 65, 99–105]. In general, females may be mute or exhibit a severely limited vocal repertoire while males are typically highly vocal and generally produce complex species-specific vocalizations to attract females for breeding, as well as to deter rivals [24, 106].…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, compared with the temporal features, spectral properties may provide more sufficient information for individual recognition in this species [38], suggesting the spectral features may play important roles in vocal communication. Electrophysiological studies have shown that HSA and LSA calls can elicit significantly different event-related potential (ERP) components [45–48], suggesting ERP components can depict the differences in neural responses to temporal and spectral features of vocalization. In addition, the music frogs preferentially use the right ear to detect conspecific calls which conveys auditory information most strongly to the left auditory midbrain [49, 50], consistent with the idea that discrete brain structures are specialized for different functions [51].…”

Section: Introductionmentioning

confidence: 99%

“…In addition, familiar sounds evoke smaller P3a compared with unfamiliar ones [61]. Moreover, humanlike auditory ERP components, found in various taxa including non-human primates [62], mammals [63, 64] and anurans [45, 48, 65], may indicate similar brain functions because important neuroanatomical features have been conserved during vertebrate brain evolution [66, 67]. Since discrete brain regions may be specialized for different functions [51], the present study measured the amplitude and latency of each ERP component for the left and right hemispheres in response to three acoustic stimuli (the original advertisement call, OC; and its transformation version with temporal and spectral features preserved respectively, TC and SC) in order to investigate how auditory central nervous system represents the differences of these two call features in auditory neural processing.…”

Section: Introductionmentioning

confidence: 99%

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Preference of spectral features in auditory processing for advertisement calls in the music frogs

et al. 2019

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Background Animal vocal signals encode very important information for communication during which the importance of temporal and spectral characteristics of vocalizations is always asymmetrical and species-specific. However, it is still unknown how auditory system represents this asymmetrical and species-specific patterns. In this study, auditory event related potential (ERP) changes were evaluated in the Emei music frog ( Babina daunchina ) to assess the differences in eliciting neural responses of both temporal and spectral features for the telencephalon, diencephalon and mesencephalon respectively. To do this, an acoustic playback experiment using an oddball paradigm design was conducted, in which an original advertisement call (OC), its spectral feature preserved version (SC) and temporal feature preserved version (TC) were used as deviant stimuli with synthesized white noise as standard stimulus. Results The present results show that 1) compared with TC, more similar ERP components were evoked by OC and SC; and 2) the P3a amplitudes in the forebrain evoked by OC were significantly higher in males than in females. Conclusions Together, the results provide evidence for suggesting neural processing for conspecific vocalization may prefer to the spectral features in the music frog, prompting speculation that the spectral features may play more important roles in auditory object perception or vocal communication in this species. In addition, the neural processing for auditory perception is sexually dimorphic.

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“…EEG might be involved in different brain functions including sensory registration, perception, movement and cognitive processes related to attention, learning, memory and decision-making (Basar et al, 2000(Basar et al, , 2001Klimesch, 1999;Mazza and Pagano, 2017). Our previous studies show that EEG bands in the Emei music frog (Nidirana daunchina) differ substantially from those of humans, especially in the high frequency band (Fang et al, 2012a); however, auditory perception in this species is closely related to dynamic activities of various EEG bands (Fang et al, 2012b) and specific event-related potentials (Fan et al, 2019;Fang et al, 2015;Yang et al, 2018;Yue et al, 2017). Because discrete brain regions are specialized for different functions (Kandel et al, 2013), it seems reasonable to hypothesize that eye preferences related to predatory responses might be associated with different activity patterns of specific EEG bands and in specific brain areas.…”

Section: Introductionmentioning

confidence: 93%

Dynamics of electroencephalogram oscillations underlie right-eye preferences in predatory behavior of the music frogs

Shen

Fang

Fan

et al. 2019

Journal of Experimental Biology

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Visual lateralization is a typical characteristic of many vertebrates, however, its underlying dynamic neural mechanism is unclear. In this study, predatory responses and dynamic brain activities were evaluated in the Emei music frog (Babina daunchina) to assess the potential eye preferences and its underlying dynamic neural mechanism, using behavioral and electrophysiological experiments, respectively. To do this, when prey stimulus (live cricket and leaf as control) was moved around the frogs in both clockwise and anticlockwise directions at constant velocity, the number of predatory responses were counted and Electroencephalogram (EEG) absolute power spectra for each band was measured for the telencephalon, diencephalon and mesencephalon, respectively. The results showed that (1) no significant difference of the number of predatory responses could be found for control (leaf), however, the number of predatory responses for the right visual field (RVF) were significantly greater than those for the left visual field (LVF) when the live cricket was moved into RVF clockwise; (2) compared with no-stimulus in the visual field and stimulus in LVF, the power spectra of each EEG band was greater when the prey stimulus was moved into RVF clockwise; and (3) the power spectra of theta, alpha and beta bands in the left diencephalon were significantly greater than those of the right counterpart for clockwise direction, however, relatively less similar significant differences presented for anticlockwise direction. Together, the results suggested that right-eye preferences for predatory behaviors existed in the music frogs, and that the dynamics of EEG oscillations might underlie this right-eye/left-hemisphere advantage.

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Auditory sensitivity exhibits sexual dimorphism and seasonal plasticity in music frogs

Cited by 10 publications

References 86 publications

Comparative transcriptome analysis provides insights into the molecular mechanisms of high-frequency hearing differences between the sexes of Odorrana tormota

Comparative transcriptome analysis provides insights into the molecular mechanisms of high-frequency hearing differences between the sexes of Odorrana tormota

Preference of spectral features in auditory processing for advertisement calls in the music frogs

Dynamics of electroencephalogram oscillations underlie right-eye preferences in predatory behavior of the music frogs

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