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Bowers JM, Li CY, Parker CG, Westbrook ME, Juntti SA. Pheromone Perception in Fish: Mechanisms and Modulation by Internal Status. Integr Comp Biol 2023; 63:407-427. [PMID: 37263784 PMCID: PMC10445421 DOI: 10.1093/icb/icad049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/24/2023] [Accepted: 05/27/2023] [Indexed: 06/03/2023] Open
Abstract
Pheromones are chemical signals that facilitate communication between animals, and most animals use pheromones for reproduction and other forms of social behavior. The identification of key ligands and olfactory receptors used for pheromonal communication provides insight into the sensory processing of these important cues. An individual's responses to pheromones can be plastic, as physiological status modulates behavioral outputs. In this review, we outline the mechanisms for pheromone sensation and highlight physiological mechanisms that modify pheromone-guided behavior. We focus on hormones, which regulate pheromonal communication across vertebrates including fish, amphibians, and rodents. This regulation may occur in peripheral olfactory organs and the brain, but the mechanisms remain unclear. While this review centers on research in fish, we will discuss other systems to provide insight into how hormonal mechanisms function across taxa.
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Affiliation(s)
- Jessica M Bowers
- Department of Biology, University of Maryland, 2128 Bioscience Research Bldg, College Park, MD 20742, USA
| | - Cheng-Yu Li
- Department of Biology, University of Maryland, 2128 Bioscience Research Bldg, College Park, MD 20742, USA
| | - Coltan G Parker
- Department of Biology, University of Maryland, 2128 Bioscience Research Bldg, College Park, MD 20742, USA
| | - Molly E Westbrook
- Department of Biology, University of Maryland, 2128 Bioscience Research Bldg, College Park, MD 20742, USA
| | - Scott A Juntti
- Department of Biology, University of Maryland, 2128 Bioscience Research Bldg, College Park, MD 20742, USA
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Woszczyło M, Pasikowski P, Devaraj S, Kokocińska A, Szumny A, Skwark MJ, Niżański W, Dzięcioł M. Urinary Proteins of Female Domestic Dog ( Canis familiaris) during Ovarian Cycle. Vet Sci 2023; 10:vetsci10040292. [PMID: 37104448 PMCID: PMC10140845 DOI: 10.3390/vetsci10040292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/27/2023] [Accepted: 04/11/2023] [Indexed: 04/28/2023] Open
Abstract
The presence and identity of non-volatile chemical signals remain elusive in canines. In this study, we aim to evaluate the urinary proteins of female domestic dogs in the estrus and anestrus phases to evidence the presence of non-volatile chemical signals and to elucidate their identities. We collected urine samples from eight female dogs in the estrus and anestrus phases. A total of 240 proteins were identified in the urine samples using liquid chromatography-mass spectrometry (LC-MS analysis). The comparison of the proteins revealed a significant difference between the estrus and anestrus urine. We identified proteins belonging to the lipocalin family of canines (beta-lactoglobulin-1 and beta-lactoglobulin-2, P33685 and P33686, respectively), one of whose function was the transport of pheromones and which was present only in the estrus urine samples. Moreover, proteins such as Clusterin (CLU), Liver-expressed antimicrobial peptide 2 (LEAP2), and Proenkephalin (PENK) were more abundant in the estrus urine when compared to the anestrus urine. LEAP2 was recently described as a ghrelin receptor antagonist and implicated in regulating food intake and body weight in humans and mice. Proenkephalin, a polypeptide hormone cleaved into opioid peptides, was also recognized as a candidate to determine kidney function. As of yet, none of these have played a role in chemical communication. Clusterin, an extracellular chaperone protecting from protein aggregation implicated in stress-induced cell apoptosis, is a plausible candidate in chemical communication, which is a claim that needs to be ascertained further. Data are available via ProteomeXchange with the identifier PXD040418.
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Affiliation(s)
- Martyna Woszczyło
- Department of Reproduction and Clinic of Farm Animals, Wroclaw University of Environmental and Life Sciences, Plac Grunwaldzki 49, 50-366 Wrocław, Poland
| | | | - Sankarganesh Devaraj
- Department of Biotechnology, School of BioSciences and Technology, Vellore Institute of Technology, Vellore 632014, India
| | - Agata Kokocińska
- Institute of Biological Bases of Animal Production, University of Life Sciences in Lublin, 13 Akademicka St., 20-950 Lublin, Poland
| | - Antoni Szumny
- Department of Chemistry, Wroclaw University of Environmental and Life Sciences, C.K. Norwida 25, 50-375 Wrocław, Poland
| | | | - Wojciech Niżański
- Department of Reproduction and Clinic of Farm Animals, Wroclaw University of Environmental and Life Sciences, Plac Grunwaldzki 49, 50-366 Wrocław, Poland
| | - Michał Dzięcioł
- Department of Reproduction and Clinic of Farm Animals, Wroclaw University of Environmental and Life Sciences, Plac Grunwaldzki 49, 50-366 Wrocław, Poland
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Hoglen NEG, Manoli DS. Cupid's quiver: Integrating sensory cues in rodent mating systems. Front Neural Circuits 2022; 16:944895. [PMID: 35958042 PMCID: PMC9358210 DOI: 10.3389/fncir.2022.944895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/04/2022] [Indexed: 11/26/2022] Open
Abstract
In many animal species, males and females exploit different mating strategies, display sex-typical behaviors, and use distinct systems to recognize ethologically relevant cues. Mate selection thus requires mutual recognition across diverse social interactions based on distinct sensory signals. These sex differences in courtship and mating behaviors correspond to differences in sensory systems and downstream neural substrates engaged to recognize and respond to courtship signals. In many rodents, males tend to rely heavily on volatile olfactory and pheromone cues, while females appear to be guided more by a combination of these chemosensory signals with acoustic cues in the form of ultrasonic vocalizations. The mechanisms by which chemical and acoustic cues are integrated to control behavior are understudied in mating but are known to be important in the control of maternal behaviors. Socially monogamous species constitute a behaviorally distinct group of rodents. In these species, anatomic differences between males and females outside the nervous system are less prominent than in species with non-monogamous mating systems, and both sexes engage in more symmetric social behaviors and form attachments. Nevertheless, despite the apparent similarities in behaviors displayed by monogamous males and females, the circuitry supporting social, mating, and attachment behaviors in these species is increasingly thought to differ between the sexes. Sex differences in sensory modalities most important for mate recognition in across species are of particular interest and present a wealth of questions yet to be answered. Here, we discuss how distinct sensory cues may be integrated to drive social and attachment behaviors in rodents, and the differing roles of specific sensory systems in eliciting displays of behavior by females or males.
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Affiliation(s)
- Nerissa E G Hoglen
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, United States
- Center for Integrative Neuroscience, University of California, San Francisco, San Francisco, CA, United States
- Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
- Kavli Institute for Fundamental Neuroscience, University of California, San Francisco, San Francisco, CA, United States
- Neurosciences Graduate Program, University of California, San Francisco, San Francisco, CA, United States
| | - Devanand S Manoli
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, United States
- Center for Integrative Neuroscience, University of California, San Francisco, San Francisco, CA, United States
- Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
- Kavli Institute for Fundamental Neuroscience, University of California, San Francisco, San Francisco, CA, United States
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Zilkha N, Sofer Y, Kashash Y, Kimchi T. The social network: Neural control of sex differences in reproductive behaviors, motivation, and response to social isolation. Curr Opin Neurobiol 2021; 68:137-151. [PMID: 33910083 PMCID: PMC8528716 DOI: 10.1016/j.conb.2021.03.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/03/2021] [Accepted: 03/07/2021] [Indexed: 12/30/2022]
Abstract
Social animal species present a vast repertoire of social interactions when encountering conspecifics. Reproduction-related behaviors, such as mating, parental care, and aggression, are some of the most rewarding types of social interactions and are also the most sexually dimorphic ones. This review focuses on rodent species and summarizes recent advances in neuroscience research that link sexually dimorphic reproductive behaviors to sexual dimorphism in their underlying neuronal circuits. Specifically, we present a few possible mechanisms governing sexually-dimorphic behaviors, by hypothalamic and reward-related brain regions. Sex differences in the neural response to social isolation in adulthood are also discussed, as well as future directions for comparative studies with naturally solitary species.
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Affiliation(s)
- Noga Zilkha
- Department of Neurobiology, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yizhak Sofer
- Department of Neurobiology, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yael Kashash
- Department of Neurobiology, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Tali Kimchi
- Department of Neurobiology, Weizmann Institute of Science, Rehovot 7610001, Israel.
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Villamayor PR, Robledo D, Fernández C, Gullón J, Quintela L, Sánchez-Quinteiro P, Martínez P. Analysis of the vomeronasal organ transcriptome reveals variable gene expression depending on age and function in rabbits. Genomics 2021; 113:2240-2252. [PMID: 34015461 DOI: 10.1016/j.ygeno.2021.05.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 04/23/2021] [Accepted: 05/14/2021] [Indexed: 10/21/2022]
Abstract
The vomeronasal organ (VNO) is a chemosensory organ specialized in pheromone detection that shows a broad morphofunctional and genomic diversity among mammals. However, its expression patterns have only been well-characterized in mice. Here, we provide the first comprehensive RNA sequencing study of the rabbit VNO across gender and sexual maturation stages. We characterized the VNO transcriptome, updating the number and expression of the two main vomeronasal receptor families, including 128 V1Rs and 67 V2Rs. Further, we defined the expression of formyl-peptide receptor and transient receptor potential channel families, both known to have specific roles in the VNO. Several sex hormone-related pathways were consistently enriched in the VNO, highlighting the relevance of this organ in reproduction. Moreover, whereas juvenile and adult VNOs showed significant transcriptome differences, male and female did not. Overall, these results contribute to understand the genomic basis of behavioural responses mediated by the VNO in a non-rodent model.
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Affiliation(s)
- P R Villamayor
- Department of Zoology Genetics and Physical Anthropology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, Spain; Department of Anatomy, Animal Production and Clinical Veterinary Sciences, Faculty of Veterinary, University of Santiago de Compostela, Lugo, Spain
| | - D Robledo
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - C Fernández
- Department of Zoology Genetics and Physical Anthropology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, Spain
| | - J Gullón
- Conejos Gallegos, COGAL SL, Rodeiro, Pontevedra, Spain
| | - L Quintela
- Department of Animal Pathology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, Spain
| | - P Sánchez-Quinteiro
- Department of Anatomy, Animal Production and Clinical Veterinary Sciences, Faculty of Veterinary, University of Santiago de Compostela, Lugo, Spain.
| | - P Martínez
- Department of Zoology Genetics and Physical Anthropology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, Spain
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Tirindelli R. Coding of pheromones by vomeronasal receptors. Cell Tissue Res 2021; 383:367-386. [PMID: 33433690 DOI: 10.1007/s00441-020-03376-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 12/02/2020] [Indexed: 01/11/2023]
Abstract
Communication between individuals is critical for species survival, reproduction, and expansion. Most terrestrial species, with the exception of humans who predominantly use vision and phonation to create their social network, rely on the detection and decoding of olfactory signals, which are widely known as pheromones. These chemosensory cues originate from bodily fluids, causing attractive or avoidance behaviors in subjects of the same species. Intraspecific pheromone signaling is then crucial to identify sex, social ranking, individuality, and health status, thus establishing hierarchies and finalizing the most efficient reproductive strategies. Indeed, all these features require fine tuning of the olfactory systems to detect molecules containing this information. To cope with this complexity of signals, tetrapods have developed dedicated olfactory subsystems that refer to distinct peripheral sensory detectors, called the main olfactory and the vomeronasal organ, and two minor structures, namely the septal organ of Masera and the Grueneberg ganglion. Among these, the vomeronasal organ plays the most remarkable role in pheromone coding by mediating several behavioral outcomes that are critical for species conservation and amplification. In rodents, this organ is organized into two segregated neuronal subsets that express different receptor families. To some extent, this dichotomic organization is preserved in higher projection areas of the central nervous system, suggesting, at first glance, distinct functions for these two neuronal pathways. Here, I will specifically focus on this issue and discuss the role of vomeronasal receptors in mediating important innate behavioral effects through the recognition of pheromones and other biological chemosignals.
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Affiliation(s)
- Roberto Tirindelli
- Department of Medicine and Surgery, University of Parma, Via Volturno, 39, 43125, Parma, Italy.
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Feldman D, Scott K. Editorial overview: Systems neuroscience. Curr Opin Neurobiol 2020; 64:iii. [PMID: 33189188 DOI: 10.1016/j.conb.2020.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Dan Feldman
- University of California, Berkeley, United States.
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