First record of dermal fluorescence in the desert-adapted Stenodactylus and Trigonodactylus geckos

IF 2.6 3区 环境科学与生态学 Q2 ECOLOGY Journal of Arid Environments Pub Date : 2024-04-17 DOI:10.1016/j.jaridenv.2024.105161
Bernat Burriel-Carranza , Adrián Talavera , Gabriel Mochales-Riaño , Sulaiman Al Hashmi , Ahmed Al Busaidi , Johannes Els , Salvador Carranza
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Abstract

Even though steadily increasing, biofluorescence is a rarely documented phenomenon in vertebrates. Within geckos, only six species have been shown to produce fluorescence and only one case of dermal fluorescence has been reported. Here, we report on the discovery of dermal fluorescence in the Dune Sand Gecko (Stenodactylus doriae), the Eastern Sand Gecko (S. leptocosymbotes), and the Arabian Web-footed Sand Gecko (Trigonodactylus arabicus), three closely-related, nocturnal, desert-adapted Arabian geckos. We show that there are interspecific differences in fluorescent regions which might be linked to the habitat preference and behaviour of each species. Our results are in agreement with prior hypotheses suggesting that desert-adapted geckos might use dermal biofluorescence for conspecific signalling. With the present work, we expand the current knowledge on skin fluorescence in reptiles and provide new insights on fluorescence of desert-adapted geckos.

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首次记录适应沙漠环境的石龙子和三足石龙子壁虎的真皮荧光
尽管生物荧光的数量在稳步增长,但在脊椎动物中,这种现象却鲜有记载。在壁虎中,只有 6 个物种被证明会产生荧光,而且只有一例皮肤荧光的报道。在这里,我们报告了在沙丘沙壁虎(Stenodactylus doriae)、东部沙壁虎(S. leptocosymbotes)和阿拉伯蹼足沙壁虎(Trigonodactylus arabicus)身上发现的真皮荧光,这是三种密切相关、夜间活动、适应沙漠的阿拉伯壁虎。我们的研究表明,荧光区域存在种间差异,这可能与每个物种对栖息地的偏好和行为有关。我们的研究结果与之前的假设一致,即适应沙漠的壁虎可能利用真皮生物荧光进行同种信号传递。通过本研究,我们扩展了目前有关爬行动物皮肤荧光的知识,并对适应沙漠的壁虎的荧光提供了新的见解。
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来源期刊
Journal of Arid Environments
Journal of Arid Environments 环境科学-环境科学
CiteScore
5.70
自引率
3.70%
发文量
144
审稿时长
55 days
期刊介绍: The Journal of Arid Environments is an international journal publishing original scientific and technical research articles on physical, biological and cultural aspects of arid, semi-arid, and desert environments. As a forum of multi-disciplinary and interdisciplinary dialogue it addresses research on all aspects of arid environments and their past, present and future use.
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