BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
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2022
·Vol. 76
·期 12
·1-10
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IF 2.944
Li Chengzhe,Wang Hua,Chen Xiaoming,Yao Jun,Deng Jianyu
Abstract Butterflies use visual and olfactory cues to identify conspecifics during courtship. Tirumala limniace , Idea leuconoe , and Danaus chrysippus are three species of butterflies with a sympatric distribution, and T. limniace butterflies are rarely seen to chase I. leuconoe or D. chrysippus during courtship in artificial cultivation gardens, indicating that they have a mechanism for recognizing conspecifics; however, there are no reports on what kind of signals they use to recognize conspecifics. In this study, we investigated the cues used by T. limniace to identify conspecifics and the relative roles of visual and olfactory cues. We found that in the absence of olfactory cues (visual cues only), male and female butterflies were able to identify the same species based on wing color and pattern. By collecting and identifying body volatiles emitted from T. limniace males and females, we found that the highest amounts were β -ocimene and β -pinene, which were sourced from the insects’ bodies (as opposed to sex pheromones). Furthermore, electroantennogram binding behavioral experiments showed that β -ocimene was involved in the process of species recognition and that the relative roles of olfactory cues were greater than those of visual cues at close range. Therefore, T. limniace males and females could utilize both visual and olfactory cues to identify conspecifics during courtship but preferred olfactory cues. The present study highlighted the important role of adult body odor rather than sex pheromones in butterfly species recognition. Significance statement Butterflies use visual (wing color and pattern) and olfactory (sex pheromones) cues to identify conspecifics during courtship. Butterflies also release volatiles emitted from their bodies during courtship. However, there is no clear evidence that body volatiles (as opposed to sex pheromones) emitted from butterflies are involved in species recognition. We studied the functions of body volatiles emitted from Tirumala limniace adults and the relative roles of visual and olfactory cues in species recognition during courtship. We found that male and female adults could identify conspecifics using only visual cues. Meanwhile, we also found that the highest amounts of β -ocimene, which came from the bodies of T. limniace males and females, were also involved in the process of species recognition. The olfactory cues that butterflies use to identify conspecifics are usually sex pheromones, while the present study highlighted the important role of adult body odor rather than sex pheromones in butterfly species recognition.
研究领域:
昆虫学
·
生态学
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DOI
高影响因子
NEURON
·
2024
·
IF 14.7
Shunchang Fang,Zhengyi Luo,Zicheng Wei,Yuxin Qin,Jieyan Zheng,Hongyang Zhang,Jianhua Jin,Jiali Li,Chenjian Miao,Shana Yang,Yonglin Li,Zirui Liang,Xiao-Dan Yu,Xiao Min Zhang,Wei Xiong,Hongying Zhu,Wen-Biao Gan,Lianyan Huang,Boxing Li
Recognizing the affective states of social counterparts and responding appropriately fosters successful social interactions. However, little is known about how the affective states are expressed and perceived and how they influence social decisions. Here, we show that male and female mice emit distinct olfactory cues after experiencing distress. These cues activate distinct neural circuits in the piriform cortex (PiC) and evoke sexually dimorphic empathic behaviors in observers. Specifically, the PiC → PrL pathway is activated in female observers, inducing a social preference for the distressed counterpart. Conversely, the PiC → MeA pathway is activated in male observers, evoking excessive self-grooming behaviors. These pathways originate from non-overlapping PiC neuron populations with distinct gene expression signatures regulated by transcription factors and sex hormones. Our study unveils how internal states of social counterparts are processed through sexually dimorphic mechanisms at the molecular, cellular, and circuit levels and offers insights into the neural mechanisms underpinning sex differences in higher brain functions.
研究领域:
神经科学
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行为科学
·
分子生物学
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产品关联
DOI
PubMed
高影响因子
WATER RESEARCH
·
2023
·
IF 12.8
Lin Huang,Weixia Zhang,Difei Tong,Lingzheng Lu,Weishang Zhou,Dandan Tian,Guangxu Liu,Wei Shi
Recently, increased production and consumption of disinfectants such as triclosan (TCS) and triclocarban (TCC) have led to massive pollution of the environment, which draws global concern over the potential risk to aquatic organisms. However, the olfactory toxicity of disinfectants in fish remains elusive to date. In the present study, the impact of TCS and TCC on the olfactory capacity of goldfish was assessed by neurophysiological and behavioral approaches. As shown by the reduced distribution shifts toward amino acid stimuli and hampered electro-olfactogram responses, our results demonstrated that TCS/TCC treatment would cause deterioration of the olfactory ability of goldfish. Our further analysis found that TCS/TCC exposure suppressed the expression of olfactory G protein-coupled receptors in the olfactory epithelium, restricted the transformation of odorant stimulation into electrical responses by disturbing the cAMP signaling pathway and ion transportation, and induced apoptosis and inflammation in the olfactory bulb. In conclusion, our results demonstrated that an environmentally realistic level of TCS/TCC would weaken the olfactory capacity of goldfish by constraining odorant recognition efficiency, disrupting olfactory signal generation and transduction, and disturbing olfactory information processing.
研究领域:
环境科学
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水生毒理学
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神经生物学
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鱼类生理学
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产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）