Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology最新文献_第3页

Photoperiod-driven testicular DNA methylation in gonadotropin and sex steroid receptor promoters in Siberian hamsters. 西伯利亚仓鼠促性腺激素和性类固醇受体启动子的光周期驱动睾丸DNA甲基化。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-05-01 Epub Date: 2025-02-15 DOI: 10.1007/s00359-025-01733-w

Irem Denizli, Ana Monteiro, Kathryn R Elmer, Tyler J Stevenson

{"title":"Photoperiod-driven testicular DNA methylation in gonadotropin and sex steroid receptor promoters in Siberian hamsters.","authors":"Irem Denizli, Ana Monteiro, Kathryn R Elmer, Tyler J Stevenson","doi":"10.1007/s00359-025-01733-w","DOIUrl":"10.1007/s00359-025-01733-w","url":null,"abstract":"Seasonal cycles in breeding, often orchestrated by annual changes in photoperiod, are common in nature. Here, we studied how change in photoperiod affects DNA methylation in the testes of a highly seasonal breeder: the Siberian hamster (Phodopus sungorus). We hypothesized that DNA methylation in promoter regions associated with key reproductive genes such as follicle-stimulating hormone receptor in the testes is linked to breeding and non-breeding states. Using Oxford Nanopore sequencing, we identified more than 10 million (10,151,742) differentially methylated cytosine-guanine (CpG) sites in the genome between breeding long photoperiod and non-breeding short photoperiod conditions. ShinyGo enrichment analyses identified biological pathways consisting of reproductive system, hormone-mediated signalling and gonad development. We found that short photoperiod induced DNA methylation in the promoter regions for androgen receptor (Ar), estrogen receptors (Esr1, Esr2), kisspeptin1 receptor (kiss1r) and follicle-stimulating hormone receptor (Fshr). Long photoperiods were observed to have higher DNA methylation in promoters for basic helix-loop-helix ARNT-like 1 (Bmal1), progesterone receptor (Pgr) and thyroid-stimulating hormone receptor (Tshr). Our findings provide insights into the epigenetic mechanisms underlying seasonal adaptations in timing reproduction in Siberian hamsters and could be informative for understanding male fertility and reproductive disorders in mammals.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":"327-337"},"PeriodicalIF":1.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081511/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143426820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrophysiological and behavioral responses of elongated solifuge sensilla to mechanical stimuli. 细长孤立感器对机械刺激的电生理和行为反应。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-05-01 Epub Date: 2025-02-05 DOI: 10.1007/s00359-025-01731-y

Pallabi Kundu, Mariela Oviedo-Diego, Franco Cargnelutti, R Ryan Jones, Erika Garcia, Eileen A Hebets, Douglas D Gaffin

{"title":"Electrophysiological and behavioral responses of elongated solifuge sensilla to mechanical stimuli.","authors":"Pallabi Kundu, Mariela Oviedo-Diego, Franco Cargnelutti, R Ryan Jones, Erika Garcia, Eileen A Hebets, Douglas D Gaffin","doi":"10.1007/s00359-025-01731-y","DOIUrl":"10.1007/s00359-025-01731-y","url":null,"abstract":"A fundamental understanding of animal sensory systems is crucial for comprehending their interactions with the environment and with other conspecifics. However, knowledge gaps persist, particularly in arachnids like the order Solifugae. While certain solifuge setae and palpal papillae have been studied structurally and electrophysiologically, providing evidence of chemoreception and mechanoreception, the sensilla on their walking legs remain unexplored. Notably, elongated sensilla on the femur and tibia of the 4th walking legs resemble trichobothria in other arachnid orders yet their function remains unknown. Thus, this study investigates whether these sensilla serve a mechanosensory function. Using electrophysiological and behavioral assays on Eremobates pallipes (Eremobatidae), we assessed the response of the elongated 4th leg sensilla to- (i) air particle movement and- (ii) air pressure changes. Air particle movement stimuli were generated using a speaker placed in the near field of the elongated sensilla that emitted low-frequency pure tones (10-1000 Hz). Air pressure stimuli involved forceful blowing on the sensilla. No response to air particle movement was observed, but a mechanosensory response to air pressure stimuli was detected. Electrophysiological data identified a fast-adapting and fast-recovering cell, and behavioral observations revealed a startle response. Our electrophysiology results suggest a mechanosensory role of elongated sensilla on the 4th walking legs of solifuge, indicating that although they are not sensitive enough to detect air particle movement stimuli, they can receive and respond to air pressure stimuli. Our behavioral experiments similarly show that these sensilla are not sensitive enough to detect air particle movement but respond to more forceful mechanosensory stimuli.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":"277-292"},"PeriodicalIF":1.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081520/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143257246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dietary carotenoids enhance SWS1 expression in female western mosquitofish (Gambusia affinis) but do not impair their likelihood of pregnancy in the presence of male guppy. 饮食中的类胡萝卜素增强了雌性西蚊鱼（Gambusia affinis）中SWS1的表达，但在雄性孔雀鱼存在的情况下，不影响它们怀孕的可能性。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-04-29 DOI: 10.1007/s00359-025-01741-w

Yu-Chun Wang, I-Pei Kao, Chia-Hao Chang

{"title":"Dietary carotenoids enhance SWS1 expression in female western mosquitofish (Gambusia affinis) but do not impair their likelihood of pregnancy in the presence of male guppy.","authors":"Yu-Chun Wang, I-Pei Kao, Chia-Hao Chang","doi":"10.1007/s00359-025-01741-w","DOIUrl":"https://doi.org/10.1007/s00359-025-01741-w","url":null,"abstract":"The various cone opsin genes are responsible for distinct ecological tasks, with the altered expression profiles in teleost fishes representing an excellent paradigm for studying how fishes can quickly adapt to diverse habitats within their lifecycles. The molecular mechanisms underlying transcriptional switching among cone opsin genes are still being investigated, but factors such as light conditions, developmental stages, sex hormones, and diet are known to play a role in changing cone opsin expression profiles. Based on previous research on guppies, we hypothesized that a diet rich in carotenoids could enhance expression of the opsin gene LWS in western mosquitofish (Gambusia affinis) and potentially influence female mate choice. We raised female western mosquitofish under low-level or high-level carotenoid diets and then conducted female mating preference experiments, with or without the presence of male guppy (Poecilia reticulata). qPCR revealed that high carotenoid intake upregulates SWS1 rather than LWS transcription. This positive feedback loop may promote foraging efficiency and also protect the visual system from UV damage. The carotenoid diets had no effect on pregnancy likelihood, possibly because UV light is not a critical cue in western mosquitofish female mate choice and/or the light source we used did not encompass the UV spectrum. Presence of male guppies had no effect on pregnancy likelihood, though a previous study reported that it significantly reduced brood size. Therefore, interactions between male guppies and western mosquitofish likely reduces the number of copulations and/or disrupts parenting to reduce the number of offspring.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144058371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The relative landmark shift during free movement on a treadmill may enhance visual learning for ant foragers. 在跑步机上自由运动时的相对里程碑式移动可能会增强觅食蚁的视觉学习能力。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-03-28 DOI: 10.1007/s00359-025-01738-5

Akihiro Takahara, Tomoko Sakiyama

{"title":"The relative landmark shift during free movement on a treadmill may enhance visual learning for ant foragers.","authors":"Akihiro Takahara, Tomoko Sakiyama","doi":"10.1007/s00359-025-01738-5","DOIUrl":"https://doi.org/10.1007/s00359-025-01738-5","url":null,"abstract":"Ants are known for their sophisticated navigational abilities and rely on various cues to locate food sources efficiently. Visual landmarks play a crucial role in guiding foraging behavior. However, the significance of walking ants perceiving the relative motion of a landmark to themselves during learning is still not fully understood. Here, Japanese carpenter ants were observed on a treadmill device where they could walk in place on the treadmill. Two types of conditions were set for the training process: the fixed condition involved a stationary landmark, and the moving condition featured a landmark oscillating at a constant speed from side to side after feeding, which was independent of the movements of the ants. In the Y-maze test, a significantly greater number of ants in the moving training condition associated the landmark with food (82% of the ants) than in the fixed training condition (56% of the ants). Our results thus suggest that perceiving the relative movement of landmarks during the learning process on a treadmill is important for ant foragers.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143736175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Male seminal fluid allocation according to socio-sexual context in the South American fruit fly. 南美果蝇社会性别背景下的雄性精液分配。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-03-01 Epub Date: 2025-01-07 DOI: 10.1007/s00359-024-01728-z

Antonella Giudice, Gisela Castillo, Viviana Díaz, Andrea Moyano, Alfonsina Palladini, Diana Pérez-Staples, Carolina de Lourdes Olea, Solana Abraham

{"title":"Male seminal fluid allocation according to socio-sexual context in the South American fruit fly.","authors":"Antonella Giudice, Gisela Castillo, Viviana Díaz, Andrea Moyano, Alfonsina Palladini, Diana Pérez-Staples, Carolina de Lourdes Olea, Solana Abraham","doi":"10.1007/s00359-024-01728-z","DOIUrl":"10.1007/s00359-024-01728-z","url":null,"abstract":"During copulation male insects transfer sperm and seminal fluids, including accessory gland proteins (Acps) to females, produced in the accessory glands (AGs). These Acps influence female behavior and physiology, inhibiting sexual receptivity, promoting ovulation and/or oviposition. The theory of ejaculate allocation postulates that production is costly; therefore, males strategically allocate ejaculates based on perception of sperm competition and quality and availability of females. The objective of this study was to determine in the South American fruit fly Anastrepha fraterculus whether there is differential allocation of Acps by males under different social contexts: (i) presence or absence of males in the mating arena (male social context), (ii) presence/absence of females in the mating arena (female social context), and (iii) female condition (sugar-fed/protein-fed). This was inferred through female behavior (fecundity, fertility and remating) and the dynamics of the reduction in male AGs size and protein content after copulation. No effect was observed from the various social contexts perceived by males on female's fecundity, fertility, or remating. Mated males had less protein in their AGs compared to unmated males. Male social context affected AG size after copulation: there was a marked decrease in AG size in males which mated in the presence of rival males; moreover, males mated under competition had lower protein content in their AGs than males mating without competition, suggesting that males can adjust seminal fluid quantity depending on social-mating context, although this difference did not impact the physiology and behavior of females after copulation. Our results also indicate that AG size and protein content are correlated.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":"235-245"},"PeriodicalIF":1.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142959063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

From mechanoecology to sensory physiology to olfactory navigation: the Editors' and Readers' Choice Awards 2025. 从机械生态学到感官生理学再到嗅觉导航：2025年编辑和读者选择奖。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-03-01 DOI: 10.1007/s00359-025-01736-7

Günther K H Zupanc, Wolfgang Rössler, Eric J Warrant, Uwe Homberg, Kentaro Arikawa, Charlotte Helfrich-Förster, Andrea Megela Simmons

{"title":"From mechanoecology to sensory physiology to olfactory navigation: the Editors' and Readers' Choice Awards 2025.","authors":"Günther K H Zupanc, Wolfgang Rössler, Eric J Warrant, Uwe Homberg, Kentaro Arikawa, Charlotte Helfrich-Förster, Andrea Megela Simmons","doi":"10.1007/s00359-025-01736-7","DOIUrl":"10.1007/s00359-025-01736-7","url":null,"abstract":"In celebration of the excellence of articles published in the Journal of Comparative Physiology A, Editors' and Readers' Choice Awards are annually conferred to the top papers in the categories Original Research Paper and Review/Review-History Article. The recipients of the 2025 Editors' Choice Awards were selected based on votes cast by the Editorial Board on articles published in 2024. In the category Original Research Paper, this distinction goes to 'Tonotopic Ca2+ dynamics and sound processing in auditory interneurons of the bush-cricket Mecopoda elongata' by Timothy Bayley and Berthold Hedwig (J Comp Physiol A 210:353-369, 2024). In the category Review/Review-History Article, this distinction goes to 'Mechanoecology: biomechanical aspects of insect-plant interactions' by Gianandrea Salerno, Manuela Rebora, Elena Gorb, and Stanislav Gorb (J Comp Physiol A 210:249-265, 2024). The winners of the 2025 Readers' Choice Awards were determined by the number of online accesses of articles published in 2023. In the category Original Research Paper, the winner is 'Coleoptera claws and trichome interlocking' by Gianandrea Salerno, Manuela Rebora, Silvana Piersanti, Valerio Saitta, Elena Gorb, and Stanislav Gorb (J Comp Physiol A 209:299-312, 2023). In the category Review/Review-History Article, the winner is 'Olfactory navigation in arthropods' by Theresa J. Steele, Aaron J. Lanz, and Katherine I. Nagel (J Comp Physiol A 209:467-488, 2023), which already won the Editors' Choice Award in 2024.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":"129-133"},"PeriodicalIF":1.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Shelter selection in females of two scorpion species depends on shelter size and scent. 两种蝎子的雌性蝎子对庇护所的选择取决于庇护所的大小和气味。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-03-01 Epub Date: 2024-11-02 DOI: 10.1007/s00359-024-01721-6

Janina Hladik, Yorick Bailer, Harald Wolf, Torben Stemme

{"title":"Shelter selection in females of two scorpion species depends on shelter size and scent.","authors":"Janina Hladik, Yorick Bailer, Harald Wolf, Torben Stemme","doi":"10.1007/s00359-024-01721-6","DOIUrl":"10.1007/s00359-024-01721-6","url":null,"abstract":"Shelter selection is an important task in an animal's life. Concerning scorpions, little is known on the evaluation of potential shelters and the importance of chemosensation. To address these issues, we conducted a two-choice shelter test in rectangular open field arenas to identify properties rendering shelters attractive for female scorpions of the species E. italicus and M. eupeus. Shelters varied in size (large, small) and scent (none, conspecific: male or female, attractive: prey, aversive: rosemary oil). Contact with the shelters was video-recorded under red light for 13 h, including the whole night phase. Results revealed a preference for larger shelters, with conspecific scent having minor or no influence. Striking differences occurred with regard to prey and rosemary oil scents. Prey scent was more attractive to M. eupeus, while rosemary oil did not act as a repellent. E. italicus was not very attracted by prey scent, but was repelled by rosemary oil. These findings might reflect the different habitats, semi-arid vs. Mediterranean climates: prey and rosemary are scarce in the semi-arid climate (habitat of M. eupeus), whereas they are abundant in the Mediterranean climate (habitat of E. italicus). We carried out impairment experiments to identify the main sensory organs responsible for the above observations. These are the pectines and pedipalps which function as mechano- and chemosensors. Scorpions could not detect size nor scent properly when either their pectines or pedipalps were impaired.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":"163-183"},"PeriodicalIF":1.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12003491/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142564033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Novel nerve regeneration assessment method using adult zebrafish with crush spinal cord injury. 利用挤压脊髓损伤的成年斑马鱼进行神经再生评估的新方法。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-03-01 Epub Date: 2024-11-12 DOI: 10.1007/s00359-024-01723-4

Hiroaki Motohashi, Satoshi Sugita, Yoshito Hosokawa, Takahiro Hasumura, Shinichi Meguro, Noriyasu Ota, Yoshihiko Minegishi

{"title":"Novel nerve regeneration assessment method using adult zebrafish with crush spinal cord injury.","authors":"Hiroaki Motohashi, Satoshi Sugita, Yoshito Hosokawa, Takahiro Hasumura, Shinichi Meguro, Noriyasu Ota, Yoshihiko Minegishi","doi":"10.1007/s00359-024-01723-4","DOIUrl":"10.1007/s00359-024-01723-4","url":null,"abstract":"Zebrafish (Danio rerio), an alternative to rodents, are widely used in neurological, genetic, and toxicology research. The zebrafish larval spinal cord injury model has been used in neural mechanistic analyses owing to its high regenerative capacity and throughput; however, it also had several limitations in imitating rodents. Therefore, we investigated the use of adult zebrafish as an alternative model to rodents for evaluating nerve regeneration. Here, we established a novel spinal cord regeneration evaluation method, which was based on the maximum swimming speed of adult zebrafish in a custom-built hydrodynamic-based aquarium. The spinal cords of adult male zebrafish were crushed using forceps, and maximum swimming speed and histological spinal cord regeneration were evaluated. Spinal cord-injured zebrafish showed a significant decline in motor function, followed by recovery at 3 weeks postoperatively, accompanied by histological regeneration. Spinal cord regeneration can be indirectly assessed by monitoring maximum swimming speed. They were also fed a diet containing fig extract, which can promote peripheral nerve regeneration; they were fed daily starting 1 week before the operation. Maximum swimming speed was measured time-dependently until 3 weeks postoperatively. Fig-consuming fish showed improved recovery of maximum swimming speed compared to the controls, which was consistent with the histological analysis. In summary, we established a spinal cord regeneration assessment system using adult zebrafish in a customized aquarium, which enables researchers to evaluate spinal cord regeneration in adult zebrafish similar to that of rodent experiments, contributing to faster and easier screening of neuroregenerative technology.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":"185-197"},"PeriodicalIF":1.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12003591/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142632959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Vector-based navigation in desert ants: the significance of path-integration vectors. 基于矢量的沙漠蚂蚁导航：路径积分矢量的意义。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-03-01 Epub Date: 2024-12-03 DOI: 10.1007/s00359-024-01725-2

Beatrice Voegeli, Stefan Sommer, Markus Knaden, Rüdiger Wehner

{"title":"Vector-based navigation in desert ants: the significance of path-integration vectors.","authors":"Beatrice Voegeli, Stefan Sommer, Markus Knaden, Rüdiger Wehner","doi":"10.1007/s00359-024-01725-2","DOIUrl":"10.1007/s00359-024-01725-2","url":null,"abstract":"In the longstanding discussion of whether insects, especially central place foragers such as bees and ants, use metric representations of their landmark surroundings (so-called \"cognitive maps\"), the ability to find novel shortcuts between familiar locations has been considered one of the most decisive proofs for the use of such maps. Here we show by channel-based field experiments that desert ants Cataglyphis can travel such shortcuts between locations (defined by memorized goal vectors) just on the basis of path integration. When trained to visit two spatially separated feeders A and B they later travel the hitherto novel route A→B. This behavior may originate from the interaction of goal vectors retrieved from long-term memory and the current vector computed by the continuously running path integrator. Based on former experiments, we further argue that path integration is a necessary requirement also for acquiring landmark information (in form of learned goal-directed views). This emphasizes the paramount importance of path integration in these central place foragers. Finally we hypothesize that the ant's overall system of navigation consists in the optimal combination of path-integration vectors and view-based vectors, and thus handles and uses vectorial information without the need of constructing a \"vector map\", in which vectors are linked to known places in the environment others than to the origin of all journeys, the nest.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":"209-220"},"PeriodicalIF":1.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12003618/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142774910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Is there direct photoentrainment in the goldfish liver? Wavelength-dependent regulation of clock genes and investigation of the opsin 7 family. 金鱼肝脏中存在直接光抑制吗？对时钟基因的波长依赖性调控和对蛋白酶 7 家族的调查。

IF 1.9 4区心理学

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2025-03-01 Epub Date: 2024-10-28 DOI: 10.1007/s00359-024-01722-5

Nuria Saiz, Ángel L Alonso-Gómez, Sergio Bustamante-Martínez, Nuria de Pedro, María J Delgado, Esther Isorna

{"title":"Is there direct photoentrainment in the goldfish liver? Wavelength-dependent regulation of clock genes and investigation of the opsin 7 family.","authors":"Nuria Saiz, Ángel L Alonso-Gómez, Sergio Bustamante-Martínez, Nuria de Pedro, María J Delgado, Esther Isorna","doi":"10.1007/s00359-024-01722-5","DOIUrl":"10.1007/s00359-024-01722-5","url":null,"abstract":"Widespread direct photoentrainment in zebrafish peripheral tissues is linked to diverse non-visual opsins. To explore whether this broadly distributed photosensitivity is specific to zebrafish or is a general teleost feature, we investigated hepatic photosynchronization in goldfish. First, we focused on the opsin 7 family (OPN7, a key peripheral novel opsin in zebrafish), investigating its presence in the goldfish liver. Subsequently, we studied whether light can directly entrain the goldfish liver and retina clocks. Silico analysis revealed seven OPN7 paralogs from four gene families, suggesting expansion through whole-genome and tandem duplications. The paralogs of families OPN7a, OPN7b, and OPN7d were mainly localized in neural tissues, while OPN7c paralogs were more abundant in peripheral tissues-including the liver-suggesting divergent roles. Light (independently of the wavelength employed) directly induced the per2a clock gene in the retina both in vivo and in vitro, confirming expected photoentrainment. However, in the liver, photoinduction of per1a and cry1a only occurred in vivo, not in vitro. These results suggest an indirect light-entrainment mechanism of the goldfish hepatic clock, possibly mediated by other oscillators or photosensitive organs. Our findings challenge the assumption of widespread direct photosensitivity in the peripheral tissues of teleosts. Further research is needed to understand the role of tissue-specific photoentrainment and non-visual opsins in diverse teleost species.","PeriodicalId":54862,"journal":{"name":"Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology","volume":" ","pages":"149-162"},"PeriodicalIF":1.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142523719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0