Male aggressiveness in the tree frog &lt;i&gt;Dendropsophus branneri&lt;/i&gt; (Anura, Hylidae): Physical combat, fighting call, and escalated behavior

Aguiar, Pedro Lopes; Souza, Raphael Felipe; Oliveira, Eduardo Borges De; Nali, Renato C.

doi:10.15446/caldasia.v44n1.88112

Cited by 3 publications

(1 citation statement)

References 30 publications

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“…The sounds emitted by invaders and those being invaded have different characters in their frequency and tonality. This phenomenon has been observed in many animal groups, including frogs, birds, and mammals [25][26][27]. The effects of stress on physiology, metabolism, and gene expression have attracted considerable attention and have become a research focus in the fields of biology and ecology [28].…”

Section: Introductionmentioning

confidence: 99%

Effects of Different-Syllable Aggressive Calls on Food Intake and Gene Expression in Vespertilio sinensis

Zhou

Feng

et al. 2023

Animals

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Social animals enjoy colony benefits but are also exposed to social stress, which affects their physiology in many ways, including alterations to their energy intake, metabolism, and even gene expression. Aggressive calls are defined as calls emitted during aggressive conflicts between individuals of the same species over resources, such as territory, food, or mates. Aggressive calls produced by animals in different aggressive states indicate different levels of competitive intentions. However, whether aggressive calls produced in different aggressive states exert different physiological effects on animals has yet to be determined. Importantly, bats live in clusters and frequently produce aggressive calls of different syllables, thus providing an ideal model for investigating this question. Here, we conducted playback experiments to investigate the effects of two types of aggressive calls representing different competitive intentions on food intake, body mass, corticosterone (CORT) concentration, and gene expression in Vespertilio sinensis. We found that the playback of both aggressive calls resulted in a significant decrease in food intake and body mass, and bats in the tonal-syllable aggressive-calls (tonal calls) playback group exhibited a more significant decrease when compared to the noisy-syllable aggressive-calls (noisy calls) playback group. Surprisingly, the weight and food intake in the white-noise group decreased the most when compared to before playback. Transcriptome results showed that, when compared to the control and white-noise groups, differentially expressed genes (DEGs) involved in energy and metabolism were detected in the noisy-calls playback group, and DEGs involved in immunity and disease were detected in the tonal-calls playback group. These results suggested that the playback of the two types of aggressive calls differentially affected body mass, food intake, and gene expression in bats. Notably, bat responses to external-noise playback (synthetic white noise) were more pronounced than the playback of the two aggressive calls, suggesting that bats have somewhat adapted to internal aggressive calls. Comparative transcriptome analysis suggested that the playback of the two syllabic aggressive calls disrupted the immune system and increased the risk of disease in bats. This study provides new insight into how animals differ in response to different social stressors and anthropogenic noise.

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Section: Introductionmentioning

confidence: 99%

Effects of Different-Syllable Aggressive Calls on Food Intake and Gene Expression in Vespertilio sinensis

Zhou

Feng

et al. 2023

Animals

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The functions and evolution of graded complex calls in a treefrog

et al. 2023

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Taxonomic inflation and a reconsideration of speciation in the Andes: the case of the high-elevation tree frog Dendropsophus molitor (Anura: Hylidae)

Arias-Cárdenas,

Barrientos,

Pardo-Diaz

et al. 2023

Zoological Journal of the Linnean Society

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Dendropsophus molitor is a hylid frog endemic to the Eastern Cordillera of the Colombian Andes, where it exhibits extensive geographic variation in size and colour pattern. Previous multivariate analyses of acoustic and genetic data suggested that northern and southern populations of D. molitor were distinct lineages, and consequently, the northern populations were described as Dendropsophus luddeckei. In this study, we conducted morphometric and genetic analyses of populations of D. molitor and D. luddeckei to test the validity of this recent taxonomic split. We sequenced the mitochondrial genes 12S, 16S, and COI, and the nuclear marker POMC, and also tested whether variation in the MC1R gene was associated with colour polymorphism in these frogs. Phylogenetic analyses recovered D. molitor and D. luddeckei as polyphyletic and species delimitation tests failed to recover them as separate lineages. Genetic differentiation between populations was mostly explained by high intra- and interpopulation variation in the absence of a north-south split, and we found no differences in morphometry between northern and southern populations. In addition, the coding region of MC1R is not associated with colour polymorphism. Thus, multiple lines of evidence suggest that D. luddeckei is not a valid species and D. molitor should be considered a single species. Our study highlights the danger of taxonomic inflation in the face of limited geographic sampling and a lack of clear diagnostic characters.

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Male aggressiveness in the tree frog <i>Dendropsophus branneri</i> (Anura, Hylidae): Physical combat, fighting call, and escalated behavior

Cited by 3 publications

References 30 publications

Effects of Different-Syllable Aggressive Calls on Food Intake and Gene Expression in Vespertilio sinensis

Effects of Different-Syllable Aggressive Calls on Food Intake and Gene Expression in Vespertilio sinensis

The functions and evolution of graded complex calls in a treefrog

Taxonomic inflation and a reconsideration of speciation in the Andes: the case of the high-elevation tree frog Dendropsophus molitor (Anura: Hylidae)

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