1
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Zada D, Schulze L, Yu JH, Tarabishi P, Napoli JL, Milan J, Lovett-Barron M. Development of neural circuits for social motion perception in schooling fish. Curr Biol 2024:S0960-9822(24)00833-9. [PMID: 39025069 DOI: 10.1016/j.cub.2024.06.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 05/15/2024] [Accepted: 06/20/2024] [Indexed: 07/20/2024]
Abstract
The collective behavior of animal groups emerges from the interactions among individuals. These social interactions produce the coordinated movements of bird flocks and fish schools, but little is known about their developmental emergence and neurobiological foundations. By characterizing the visually based schooling behavior of the micro glassfish Danionella cerebrum, we found that social development progresses sequentially, with animals first acquiring the ability to aggregate, followed by postural alignment with social partners. This social maturation was accompanied by the development of neural populations in the midbrain that were preferentially driven by visual stimuli that resemble the shape and movements of schooling fish. Furthermore, social isolation over the course of development impaired both schooling behavior and the neural encoding of social motion in adults. This work demonstrates that neural populations selective for the form and motion of conspecifics emerge with the experience-dependent development of collective movement.
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Affiliation(s)
- David Zada
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego, La Jolla, CA 92093, USA
| | - Lisanne Schulze
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego, La Jolla, CA 92093, USA
| | - Jo-Hsien Yu
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego, La Jolla, CA 92093, USA
| | - Princess Tarabishi
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego, La Jolla, CA 92093, USA
| | - Julia L Napoli
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego, La Jolla, CA 92093, USA
| | - Jimjohn Milan
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego, La Jolla, CA 92093, USA
| | - Matthew Lovett-Barron
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego, La Jolla, CA 92093, USA.
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2
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Pose-Méndez S, Rehbock M, Wolf-Asseburg A, Köster RW. In Vivo Monitoring of Fabp7 Expression in Transgenic Zebrafish. Cells 2024; 13:1138. [PMID: 38994990 PMCID: PMC11240397 DOI: 10.3390/cells13131138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 06/20/2024] [Accepted: 06/29/2024] [Indexed: 07/13/2024] Open
Abstract
In zebrafish, like in mammals, radial glial cells (RGCs) can act as neural progenitors during development and regeneration in adults. However, the heterogeneity of glia subpopulations entails the need for different specific markers of zebrafish glia. Currently, fluorescent protein expression mediated by a regulatory element from the glial fibrillary acidic protein (gfap) gene is used as a prominent glia reporter. We now expand this tool by demonstrating that a regulatory element from the mouse Fatty acid binding protein 7 (Fabp7) gene drives reliable expression in fabp7-expressing zebrafish glial cells. By using three different Fabp7 regulatory element-mediated fluorescent protein reporter strains, we reveal in double transgenic zebrafish that progenitor cells expressing fluorescent proteins driven by the Fabp7 regulatory element give rise to radial glia, oligodendrocyte progenitors, and some neuronal precursors. Furthermore, Bergmann glia represent the almost only glial population of the zebrafish cerebellum (besides a few oligodendrocytes), and the radial glia also remain in the mature cerebellum. Fabp7 regulatory element-mediated reporter protein expression in Bergmann glia progenitors suggests their origin from the ventral cerebellar proliferation zone, the ventricular zone, but not from the dorsally positioned upper rhombic lip. These new Fabp7 reporters will be valuable for functional studies during development and regeneration.
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Affiliation(s)
- Sol Pose-Méndez
- Cellular and Molecular Neurobiology, Zoological Institut, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Michel Rehbock
- Cellular and Molecular Neurobiology, Zoological Institut, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Alexandra Wolf-Asseburg
- Cellular and Molecular Neurobiology, Zoological Institut, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Reinhard W Köster
- Cellular and Molecular Neurobiology, Zoological Institut, Technische Universität Braunschweig, 38106 Braunschweig, Germany
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3
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Veith J, Chaigne T, Svanidze A, Dressler LE, Hoffmann M, Gerhardt B, Judkewitz B. The mechanism for directional hearing in fish. Nature 2024; 631:118-124. [PMID: 38898274 PMCID: PMC11222163 DOI: 10.1038/s41586-024-07507-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 05/02/2024] [Indexed: 06/21/2024]
Abstract
Locating sound sources such as prey or predators is critical for survival in many vertebrates. Terrestrial vertebrates locate sources by measuring the time delay and intensity difference of sound pressure at each ear1-5. Underwater, however, the physics of sound makes interaural cues very small, suggesting that directional hearing in fish should be nearly impossible6. Yet, directional hearing has been confirmed behaviourally, although the mechanisms have remained unknown for decades. Several hypotheses have been proposed to explain this remarkable ability, including the possibility that fish evolved an extreme sensitivity to minute interaural differences or that fish might compare sound pressure with particle motion signals7,8. However, experimental challenges have long hindered a definitive explanation. Here we empirically test these models in the transparent teleost Danionella cerebrum, one of the smallest vertebrates9,10. By selectively controlling pressure and particle motion, we dissect the sensory algorithm underlying directional acoustic startles. We find that both cues are indispensable for this behaviour and that their relative phase controls its direction. Using micro-computed tomography and optical vibrometry, we further show that D. cerebrum has the sensory structures to implement this mechanism. D. cerebrum shares these structures with more than 15% of living vertebrate species, suggesting a widespread mechanism for inferring sound direction.
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Affiliation(s)
- Johannes Veith
- Einstein Center for Neurosciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Institut für Biologie, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Thomas Chaigne
- Einstein Center for Neurosciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Aix Marseille Univ, CNRS, Centrale Med, Institut Fresnel, Marseille, France
| | - Ana Svanidze
- Einstein Center for Neurosciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Lena Elisa Dressler
- Einstein Center for Neurosciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Museum für Naturkunde Berlin, Berlin, Germany
| | - Maximilian Hoffmann
- Einstein Center for Neurosciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Rockefeller University, New York, NY, USA
| | - Ben Gerhardt
- Einstein Center for Neurosciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Institut für Biologie, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Benjamin Judkewitz
- Einstein Center for Neurosciences, Charité - Universitätsmedizin Berlin, Berlin, Germany.
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4
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Carr CE. Pressure and particle motion enable fish to sense the direction of sound. Nature 2024; 631:29-30. [PMID: 38898257 DOI: 10.1038/d41586-024-01509-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
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5
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Cook VANO, Groneberg AH, Hoffmann M, Kadobianskyi M, Veith J, Schulze L, Henninger J, Britz R, Judkewitz B. Ultrafast sound production mechanism in one of the smallest vertebrates. Proc Natl Acad Sci U S A 2024; 121:e2314017121. [PMID: 38408231 DOI: 10.1073/pnas.2314017121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 12/01/2023] [Indexed: 02/28/2024] Open
Abstract
Motion is the basis of nearly all animal behavior. Evolution has led to some extraordinary specializations of propulsion mechanisms among invertebrates, including the mandibles of the dracula ant and the claw of the pistol shrimp. In contrast, vertebrate skeletal movement is considered to be limited by the speed of muscle, saturating around 250 Hz. Here, we describe the unique propulsion mechanism by which Danionella cerebrum, a miniature cyprinid fish of only 12 mm length, produces high amplitude sounds exceeding 140 dB (re. 1 µPa, at a distance of one body length). Using a combination of high-speed video, micro-computed tomography (micro-CT), RNA profiling, and finite difference simulations, we found that D. cerebrum employ a unique sound production mechanism that involves a drumming cartilage, a specialized rib, and a dedicated muscle adapted for low fatigue. This apparatus accelerates the drumming cartilage at over 2,000 g, shooting it at the swim bladder to generate a rapid, loud pulse. These pulses are chained together to make calls with either bilaterally alternating or unilateral muscle contractions. D. cerebrum use this remarkable mechanism for acoustic communication with conspecifics.
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Affiliation(s)
- Verity A N O Cook
- Einstein Center for Neuroscience, Charité Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Antonia H Groneberg
- Einstein Center for Neuroscience, Charité Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Maximilian Hoffmann
- Einstein Center for Neuroscience, Charité Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Mykola Kadobianskyi
- Einstein Center for Neuroscience, Charité Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Johannes Veith
- Einstein Center for Neuroscience, Charité Universitätsmedizin Berlin, Berlin 10117, Germany
- Department of Biology, Humboldt University, Berlin 10115, Germany
| | - Lisanne Schulze
- Einstein Center for Neuroscience, Charité Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Jörg Henninger
- Einstein Center for Neuroscience, Charité Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Ralf Britz
- Senckenberg Society Natural History Collections, Dresden 01109, Germany
| | - Benjamin Judkewitz
- Einstein Center for Neuroscience, Charité Universitätsmedizin Berlin, Berlin 10117, Germany
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6
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Vasconcelos RO, Bolgan M, Matos AB, Van-Dunem SP, Penim J, Amorim MCP. Characterization of the vocal behavior of the miniature and transparent fish model, Danionella cerebruma). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2024; 155:781-789. [PMID: 38289152 DOI: 10.1121/10.0024346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 12/21/2023] [Indexed: 02/01/2024]
Abstract
Danionella cerebrum has recently been proposed as a promising model to investigate the structure and function of the adult vertebrate brain, including the development of vocal-auditory neural pathways. This genetically tractable and transparent cypriniform is highly vocal, but limited information is available on its acoustic behavior and underlying biological function. Our main goal was to characterize the acoustic repertoire and diel variation in sound production of D. cerebrum, as well as to investigate the relationship between vocal behavior and reproduction. Sound recordings demonstrated high vocal activity, with sounds varying from short sequences of pulses known as "bursts" (comprising up to 15 pulses) to notably longer sounds, termed "long bursts", which extended up to 349 pulses with over 2.7 s. Vocal activity peaked at midday and it was very low at night with only a few bursts. While the number of pulses was higher during the daytime, the interpulse interval was longer at night. In addition, calling time was positively associated with the number of viable eggs, suggesting that acoustic communication is important for reproduction. These preliminary findings reveal the potential of using D. cerebrum to investigate vocal plasticity and the implications for sexual selection and reproduction in a novel vertebrate model for neuroscience.
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Affiliation(s)
- Raquel O Vasconcelos
- Institute of Science and Environment, University of Saint Joseph, Macao, Special Administrative Region, China
- Marine and Environmental Sciences Centre/ARNET Aquatic Research Network, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
- EPCV - Department of Life Sciences, Lusófona University, Lisbon, Portugal
| | - Marta Bolgan
- Ocean Science Consulting Limited, Dunbar, United Kingdom
| | - André B Matos
- Institute of Science and Environment, University of Saint Joseph, Macao, Special Administrative Region, China
- Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Sheila P Van-Dunem
- EPCV - Department of Life Sciences, Lusófona University, Lisbon, Portugal
| | - Jorge Penim
- EPCV - Department of Life Sciences, Lusófona University, Lisbon, Portugal
- Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - M Clara P Amorim
- Marine and Environmental Sciences Centre/ARNET Aquatic Research Network, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
- Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
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7
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Lee TJ, Briggman KL. Visually guided and context-dependent spatial navigation in the translucent fish Danionella cerebrum. Curr Biol 2023; 33:5467-5477.e4. [PMID: 38070503 DOI: 10.1016/j.cub.2023.11.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/06/2023] [Accepted: 11/14/2023] [Indexed: 12/21/2023]
Abstract
Danionella cerebrum (DC) is a promising vertebrate animal model for systems neuroscience due to its small adult brain volume and inherent optical transparency, but the scope of their cognitive abilities remains an area of active research. In this work, we established a behavioral paradigm to study visual spatial navigation in DC and investigate their navigational capabilities and strategies. We initially observed that adult DC exhibit strong negative phototaxis in groups but less so as individuals. Using their dark preference as a motivator, we designed a spatial navigation task inspired by the Morris water maze. Through a series of environmental cue manipulations, we found that DC utilize visual cues to anticipate a reward location and found evidence for landmark-based navigational strategies wherein DC could use both proximal and distal visual cues. When subsets of proximal visual cues were occluded, DC were capable of using distant contextual visual information to solve the task, providing evidence for allocentric spatial navigation. Without proximal visual cues, DC tended to seek out a direct line of sight with at least one distal visual cue while maintaining a positional bias toward the reward location. In total, our behavioral results suggest that DC can be used to study the neural mechanisms underlying spatial navigation with cellular resolution imaging across an adult vertebrate brain.
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Affiliation(s)
- Timothy J Lee
- Max Planck Institute for Neurobiology of Behavior - caesar, Department of Computational Neuroethology, Ludwig-Erhard-Allee 2, Bonn, 53175 North Rhine-Westphalia, Germany.
| | - Kevin L Briggman
- Max Planck Institute for Neurobiology of Behavior - caesar, Department of Computational Neuroethology, Ludwig-Erhard-Allee 2, Bonn, 53175 North Rhine-Westphalia, Germany.
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8
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Hoffmann M, Henninger J, Veith J, Richter L, Judkewitz B. Blazed oblique plane microscopy reveals scale-invariant inference of brain-wide population activity. Nat Commun 2023; 14:8019. [PMID: 38049412 PMCID: PMC10695970 DOI: 10.1038/s41467-023-43741-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 11/17/2023] [Indexed: 12/06/2023] Open
Abstract
Due to the size and opacity of vertebrate brains, it has until now been impossible to simultaneously record neuronal activity at cellular resolution across the entire adult brain. As a result, scientists are forced to choose between cellular-resolution microscopy over limited fields-of-view or whole-brain imaging at coarse-grained resolution. Bridging the gap between these spatial scales of understanding remains a major challenge in neuroscience. Here, we introduce blazed oblique plane microscopy to perform brain-wide recording of neuronal activity at cellular resolution in an adult vertebrate. Contrary to common belief, we find that inferences of neuronal population activity are near-independent of spatial scale: a set of randomly sampled neurons has a comparable predictive power as the same number of coarse-grained macrovoxels. Our work thus links cellular resolution with brain-wide scope, challenges the prevailing view that macroscale methods are generally inferior to microscale techniques and underscores the value of multiscale approaches to studying brain-wide activity.
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Affiliation(s)
- Maximilian Hoffmann
- Einstein Center for Neurosciences, NeuroCure Cluster of Excellence, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Rockefeller University, New York, USA
| | - Jörg Henninger
- Einstein Center for Neurosciences, NeuroCure Cluster of Excellence, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Johannes Veith
- Einstein Center for Neurosciences, NeuroCure Cluster of Excellence, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Department of Biology, Humboldt University Berlin, Berlin, Germany
| | - Lars Richter
- Department of Chemistry and Center for NanoScience, Ludwig Maximilians University, Munich, Germany
| | - Benjamin Judkewitz
- Einstein Center for Neurosciences, NeuroCure Cluster of Excellence, Charité - Universitätsmedizin Berlin, Berlin, Germany.
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9
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Ferrara NC, Che A, Briones B, Padilla-Coreano N, Lovett-Barron M, Opendak M. Neural Circuit Transitions Supporting Developmentally Specific Social Behavior. J Neurosci 2023; 43:7456-7462. [PMID: 37940586 PMCID: PMC10634550 DOI: 10.1523/jneurosci.1377-23.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 08/01/2023] [Accepted: 08/01/2023] [Indexed: 11/10/2023] Open
Abstract
Environmentally appropriate social behavior is critical for survival across the lifespan. To support this flexible behavior, the brain must rapidly perform numerous computations taking into account sensation, memory, motor-control, and many other systems. Further complicating this process, individuals must perform distinct social behaviors adapted to the unique demands of each developmental stage; indeed, the social behaviors of the newborn would not be appropriate in adulthood and vice versa. However, our understanding of the neural circuit transitions supporting these behavioral transitions has been limited. Recent advances in neural circuit dissection tools, as well as adaptation of these tools for use at early time points, has helped uncover several novel mechanisms supporting developmentally appropriate social behavior. This review, and associated Minisymposium, bring together social neuroscience research across numerous model organisms and ages. Together, this work highlights developmentally regulated neural mechanisms and functional transitions in the roles of the sensory cortex, prefrontal cortex, amygdala, habenula, and the thalamus to support social interaction from infancy to adulthood. These studies underscore the need for synthesis across varied model organisms and across ages to advance our understanding of flexible social behavior.
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Affiliation(s)
- Nicole C Ferrara
- Discipline of Physiology and Biophysics, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois 60064
- Center for Neurobiology of Stress Resilience and Psychiatric Disorders, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois 60064
| | - Alicia Che
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut 06520
| | - Brandy Briones
- Center for the Neurobiology of Addiction, Pain, and Emotion, Department of Anesthesiology and Pain Medicine, Department of Pharmacology, University of Washington, Seattle, Washington 98195
| | - Nancy Padilla-Coreano
- Evelyn F. & William McKnight Brain Institute and Department of Neuroscience, University of Florida, Gainesville, Florida 32610
| | - Matthew Lovett-Barron
- Department of Neurobiology, School of Biological Sciences, University of California San Diego, La Jolla, California 92093
| | - Maya Opendak
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205
- Kennedy Krieger Institute, Baltimore, Maryland 21205
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10
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Zada D, Schulze L, Yu JH, Tarabishi P, Napoli JL, Lovett-Barron M. Development of neural circuits for social motion perception in schooling fish. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.25.563839. [PMID: 37961196 PMCID: PMC10634817 DOI: 10.1101/2023.10.25.563839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Many animals move in groups, where collective behavior emerges from the interactions amongst individuals. These social interactions produce the coordinated movements of bird flocks and fish schools, but little is known about their developmental emergence and neurobiological foundations. By characterizing the visually-based schooling behavior of the micro glassfish Danionella cerebrum, here we found that social development progresses sequentially, with animals first acquiring the ability to aggregate, followed by postural alignment with social partners. This social maturation was accompanied by the development of neural populations in the midbrain and forebrain that were preferentially driven by visual stimuli that resemble the shape and movements of schooling fish. The development of these neural circuits enables the social coordination required for collective movement.
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Affiliation(s)
- David Zada
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego. La Jolla, CA, USA 92093
| | - Lisanne Schulze
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego. La Jolla, CA, USA 92093
| | - Jo-Hsien Yu
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego. La Jolla, CA, USA 92093
| | - Princess Tarabishi
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego. La Jolla, CA, USA 92093
| | - Julia L Napoli
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego. La Jolla, CA, USA 92093
| | - Matthew Lovett-Barron
- Department of Neurobiology, School of Biological Sciences. University of California, San Diego. La Jolla, CA, USA 92093
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11
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Lam PY. Longitudinal in vivo imaging of adult Danionella cerebrum using standard confocal microscopy. Dis Model Mech 2022; 15:283162. [PMID: 36398624 PMCID: PMC9844135 DOI: 10.1242/dmm.049753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 11/09/2022] [Indexed: 11/19/2022] Open
Abstract
Danionella cerebrum is a new vertebrate model that offers an exciting opportunity to visualize dynamic biological processes in intact adult animals. Key advantages of this model include its small size, life-long optical transparency, genetic amenability and short generation time. Establishing a reliable method for longitudinal in vivo imaging of adult D. cerebrum while maintaining viability will allow in-depth image-based studies of various processes involved in development, disease onset and progression, wound healing, and aging in an intact live animal. Here, a method for both prolonged and longitudinal confocal live imaging of adult D. cerebrum using custom-designed and 3D-printed imaging chambers is described. Two transgenic D. cerebrum lines were created to test the imaging system, i.e. Tg(mpeg1:dendra2) and Tg(kdrl:mCherry-caax). The first line was used to visualize macrophages and microglia, and the second for spatial registration. By using this approach, differences in immune cell morphology and behavior during homeostasis as well as in response to a stab wound or two-photon-induced brain injury were observed in intact adult fish over the course of several days.
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Affiliation(s)
- Pui-Ying Lam
- Neuroscience Research Center, Medical College of Wisconsin, 53226 Milwaukee, WI, USA,Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, 53226 Milwaukee, WI, USA,Author for correspondence ()
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12
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Tatarsky RL, Guo Z, Campbell SC, Kim H, Fang W, Perelmuter JT, Schuppe ER, Conway KW, Reeve HK, Bass AH. Acoustic and postural displays in a miniature and transparent teleost fish, Danionella dracula. J Exp Biol 2022; 225:276185. [PMID: 35916179 DOI: 10.1242/jeb.244585] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/26/2022] [Indexed: 11/20/2022]
Abstract
Acoustic behavior is widespread across vertebrates, including among fishes. We report robust acoustic displays during aggressive interactions for a laboratory colony of Danionella dracula, a miniature and transparent species of teleost fish closely related to zebrafish (Danio rerio), which are hypothesized to be sonic based on the presence of a hypertrophied muscle associated with the male swim bladder. Males produce bursts of pulsatile sounds and a distinct postural display-extension of a hypertrophied lower jaw, a morphological trait not present in other Danionella species-during aggressive, but not courtship interactions. Females show no evidence of sound production or jaw extension in such contexts. Novel pairs of size-matched or -mismatched males were combined in resident-intruder assays where sound production and jaw extension could be linked to individuals. In both dyad contexts, resident males produced significantly more sound pulses than intruders. During heightened sonic activity, the majority of highest sound producers also showed increased jaw extension. Residents extended their jaw more than intruders in size-matched, but not -mismatched contexts. Larger males in size-mismatched dyads produced more sounds and jaw extensions compared to their smaller counterparts, and sounds and jaw extensions increased with increasing absolute body size. These studies establish D. dracula as a sonic species that modulates putatively acoustic and postural displays during aggressive interactions based on residency and body size, providing a foundation for further investigating the role of multimodal displays in a new model clade for neurogenomic and neuroimaging studies of aggression, courtship, and other social interactions.
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Affiliation(s)
- Rose L Tatarsky
- Cornell University, Department of Neurobiology and Behavior, Ithaca, New York, USA
| | - Zilin Guo
- Cornell University, Department of Neurobiology and Behavior, Ithaca, New York, USA
| | - Sarah C Campbell
- Cornell University, Department of Neurobiology and Behavior, Ithaca, New York, USA
| | - Helena Kim
- Cornell University, Department of Neurobiology and Behavior, Ithaca, New York, USA
| | - Wenxuan Fang
- Cornell University, Department of Neurobiology and Behavior, Ithaca, New York, USA
| | | | - Eric R Schuppe
- Cornell University, Department of Neurobiology and Behavior, Ithaca, New York, USA
| | - Kevin W Conway
- Texas A&M University, Department of Ecology and Conservation Biology and Biodiversity Research and Teaching Collections, College Station, Texas, USA
| | - Hudson K Reeve
- Cornell University, Department of Neurobiology and Behavior, Ithaca, New York, USA
| | - Andrew H Bass
- Cornell University, Department of Neurobiology and Behavior, Ithaca, New York, USA
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13
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Haynes EM, Ulland TK, Eliceiri KW. A Model of Discovery: The Role of Imaging Established and Emerging Non-mammalian Models in Neuroscience. Front Mol Neurosci 2022; 15:867010. [PMID: 35493325 PMCID: PMC9046975 DOI: 10.3389/fnmol.2022.867010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/18/2022] [Indexed: 11/24/2022] Open
Abstract
Rodents have been the dominant animal models in neurobiology and neurological disease research over the past 60 years. The prevalent use of rats and mice in neuroscience research has been driven by several key attributes including their organ physiology being more similar to humans, the availability of a broad variety of behavioral tests and genetic tools, and widely accessible reagents. However, despite the many advances in understanding neurobiology that have been achieved using rodent models, there remain key limitations in the questions that can be addressed in these and other mammalian models. In particular, in vivo imaging in mammals at the cell-resolution level remains technically difficult and demands large investments in time and cost. The simpler nervous systems of many non-mammalian models allow for precise mapping of circuits and even the whole brain with impressive subcellular resolution. The types of non-mammalian neuroscience models available spans vertebrates and non-vertebrates, so that an appropriate model for most cell biological questions in neurodegenerative disease likely exists. A push to diversify the models used in neuroscience research could help address current gaps in knowledge, complement existing rodent-based bodies of work, and bring new insight into our understanding of human disease. Moreover, there are inherent aspects of many non-mammalian models such as lifespan and tissue transparency that can make them specifically advantageous for neuroscience studies. Crispr/Cas9 gene editing and decreased cost of genome sequencing combined with advances in optical microscopy enhances the utility of new animal models to address specific questions. This review seeks to synthesize current knowledge of established and emerging non-mammalian model organisms with advances in cellular-resolution in vivo imaging techniques to suggest new approaches to understand neurodegeneration and neurobiological processes. We will summarize current tools and in vivo imaging approaches at the single cell scale that could help lead to increased consideration of non-mammalian models in neuroscience research.
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Affiliation(s)
- Elizabeth M. Haynes
- Morgridge Institute for Research, Madison, WI, United States
- Center for Quantitative Cell Imaging, University of Wisconsin-Madison, Madison, WI, United States
| | - Tyler K. Ulland
- Department of Pathology, University of Wisconsin-Madison, Madison, WI, United States
| | - Kevin W. Eliceiri
- Morgridge Institute for Research, Madison, WI, United States
- Center for Quantitative Cell Imaging, University of Wisconsin-Madison, Madison, WI, United States
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States
- Department of Medical Physics, University of Wisconsin-Madison, Madison, WI, United States
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Rajan G, Lafaye J, Faini G, Carbo-Tano M, Duroure K, Tanese D, Panier T, Candelier R, Henninger J, Britz R, Judkewitz B, Gebhardt C, Emiliani V, Debregeas G, Wyart C, Del Bene F. Evolutionary divergence of locomotion in two related vertebrate species. Cell Rep 2022; 38:110585. [PMID: 35354040 DOI: 10.1016/j.celrep.2022.110585] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 12/15/2021] [Accepted: 03/08/2022] [Indexed: 11/27/2022] Open
Abstract
Locomotion exists in diverse forms in nature; however, little is known about how closely related species with similar neuronal circuitry can evolve different navigational strategies to explore their environments. Here, we investigate this question by comparing divergent swimming pattern in larval Danionella cerebrum (DC) and zebrafish (ZF). We show that DC displays long continuous swimming events when compared with the short burst-and-glide swimming in ZF. We reveal that mesencephalic locomotion maintenance neurons in the midbrain are sufficient to cause this increased swimming. Moreover, we propose that the availability of dissolved oxygen and timing of swim bladder inflation drive the observed differences in the swim pattern. Our findings uncover the neural substrate underlying the evolutionary divergence of locomotion and its adaptation to their environmental constraints.
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Affiliation(s)
- Gokul Rajan
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, 75012 Paris, France; Institut Curie, PSL Research University, INSERM U934, CNRS UMR3215, Paris, France
| | - Julie Lafaye
- Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Laboratoire Jean Perrin (LJP), 75005 Paris, France
| | - Giulia Faini
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, 75012 Paris, France
| | - Martin Carbo-Tano
- Institut du Cerveau (ICM), Sorbonne Universités, UPMC Univ Paris 06 CNRS UMR 7225, Inserm U1127, Hôpital Pitié-Salpêtrière, 75013 Paris, France
| | - Karine Duroure
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, 75012 Paris, France; Institut Curie, PSL Research University, INSERM U934, CNRS UMR3215, Paris, France
| | - Dimitrii Tanese
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, 75012 Paris, France
| | - Thomas Panier
- Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Laboratoire Jean Perrin (LJP), 75005 Paris, France
| | - Raphaël Candelier
- Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Laboratoire Jean Perrin (LJP), 75005 Paris, France
| | - Jörg Henninger
- Charité-Universitätsmedizin Berlin, Einstein Center for Neurosciences, NeuroCure Cluster of Excellence, 10117 Berlin, Germany
| | - Ralf Britz
- Senckenberg Naturhistorische Sammlungen Dresden, Museum für Zoologie, 01109 Dresden, Germany
| | - Benjamin Judkewitz
- Charité-Universitätsmedizin Berlin, Einstein Center for Neurosciences, NeuroCure Cluster of Excellence, 10117 Berlin, Germany
| | - Christoph Gebhardt
- Institut Curie, PSL Research University, INSERM U934, CNRS UMR3215, Paris, France
| | - Valentina Emiliani
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, 75012 Paris, France
| | - Georges Debregeas
- Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Laboratoire Jean Perrin (LJP), 75005 Paris, France
| | - Claire Wyart
- Institut du Cerveau (ICM), Sorbonne Universités, UPMC Univ Paris 06 CNRS UMR 7225, Inserm U1127, Hôpital Pitié-Salpêtrière, 75013 Paris, France
| | - Filippo Del Bene
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, 75012 Paris, France; Institut Curie, PSL Research University, INSERM U934, CNRS UMR3215, Paris, France.
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