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Paz A, Holt KJ, Clarke A, Aviles A, Abraham B, Keene AC, Duboué ER, Fily Y, Kowalko JE. Changes in local interaction rules during ontogeny underlie the evolution of collective behavior. iScience 2023; 26:107431. [PMID: 37636065 PMCID: PMC10448030 DOI: 10.1016/j.isci.2023.107431] [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: 04/03/2023] [Revised: 06/17/2023] [Accepted: 07/17/2023] [Indexed: 08/29/2023] Open
Abstract
Collective motion emerges from individual interactions which produce group-wide patterns in behavior. While adaptive changes to collective motion are observed across animal species, how local interactions change when these collective behaviors evolve is poorly understood. Here, we use the Mexican tetra, Astyanax mexicanus, which exists as a schooling surface form and a non-schooling cave form, to study differences in how fish alter their swimming in response to neighbors across ontogeny and between evolutionarily diverged populations. We find that surface fish undergo a transition to schooling mediated by changes in the way fish modulate speed and turning relative to neighbors. This transition begins with the tendency to align to neighbors emerging by 28 days post-fertilization and ends with the emergence of robust attraction by 70 days post-fertilization. Cavefish exhibit neither alignment nor attraction at any stage of development. These results reveal how evolution alters local interactions to produce striking differences in collective behavior.
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Affiliation(s)
- Alexandra Paz
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL 33458, USA
| | - Karla J. Holt
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL 33458, USA
| | - Anik Clarke
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL 33458, USA
| | - Ari Aviles
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL 33458, USA
| | - Briana Abraham
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL 33458, USA
| | - Alex C. Keene
- Department of Biology, Texas A&M, College Station, TX 77840, USA
| | - Erik R. Duboué
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL 33458, USA
| | - Yaouen Fily
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL 33458, USA
| | - Johanna E. Kowalko
- Department of Biological Sciences, Lehigh University, Bethlehem, PA 18015, USA
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Paz A, Holt KJ, Clarke A, Aviles A, Abraham B, Keene AC, Duboué ER, Fily Y, Kowalko JE. Changes in local interaction rules during ontogeny underlie the evolution of collective behavior. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.28.534467. [PMID: 37034671 PMCID: PMC10081253 DOI: 10.1101/2023.03.28.534467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Collective motion emerges from individual interactions which produce groupwide patterns in behavior. While adaptive changes to collective motion are observed across animal species, how local interactions change when these collective behaviors evolve is poorly understood. Here, we use the Mexican tetra, A. mexicanus, which exists as a schooling surface form and a non-schooling cave form, to study differences in how fish alter their swimming in response to neighbors across ontogeny and between evolutionarily diverged populations. We find that surface fish undergo a transition to schooling during development that occurs through increases in inter-individual alignment and attraction mediated by changes in the way fish modulate speed and turning relative to neighbors. Cavefish, which have evolved loss of schooling, exhibit neither of these schooling-promoting interactions at any stage of development. These results reveal how evolution alters local interaction rules to produce striking differences in collective behavior.
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Affiliation(s)
- Alexandra Paz
- Wilkes Honors College, Florida Atlantic University, Jupiter FL
| | - Karla J. Holt
- Wilkes Honors College, Florida Atlantic University, Jupiter FL
| | - Anik Clarke
- Wilkes Honors College, Florida Atlantic University, Jupiter FL
| | - Ari Aviles
- Wilkes Honors College, Florida Atlantic University, Jupiter FL
| | - Briana Abraham
- Wilkes Honors College, Florida Atlantic University, Jupiter FL
| | | | - Erik R. Duboué
- Wilkes Honors College, Florida Atlantic University, Jupiter FL
| | - Yaouen Fily
- Wilkes Honors College, Florida Atlantic University, Jupiter FL
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Rodriguez-Morales R, Gonzalez-Lerma P, Yuiska A, Han JH, Guerra Y, Crisostomo L, Keene AC, Duboue ER, Kowalko JE. Convergence on reduced aggression through shared behavioral traits in multiple populations of Astyanax mexicanus. BMC Ecol Evol 2022; 22:116. [PMID: 36241984 PMCID: PMC9563175 DOI: 10.1186/s12862-022-02069-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 09/20/2022] [Indexed: 11/10/2022] Open
Abstract
Background Results Conclusion Supplementary information
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Affiliation(s)
- Roberto Rodriguez-Morales
- grid.259029.50000 0004 1936 746XDepartment of Biological Sciences, Lehigh University, 18015 Bethlehem, PA USA
| | - Paola Gonzalez-Lerma
- grid.255951.fDepartment of Integrative Biology and Biomedical Sciences, Florida Atlantic University, 33431 Boca Raton, FL USA
| | - Anders Yuiska
- grid.255951.fCharles E. Schmidt College of Science, Florida Atlantic University, 33431 Boca Raton, FL USA
| | - Ji Heon Han
- grid.255951.fCharles E. Schmidt College of Science, Florida Atlantic University, 33431 Boca Raton, FL USA ,grid.255951.fProgram in Integrative Biology and Neuroscience, Florida Atlantic University, 33458 Jupiter, FL USA
| | - Yolanda Guerra
- grid.255951.fHarriet L. Wilkes Honors College, Florida Atlantic University, 33458 Jupiter, FL USA
| | - Lina Crisostomo
- grid.255951.fHarriet L. Wilkes Honors College, Florida Atlantic University, 33458 Jupiter, FL USA
| | - Alex C. Keene
- grid.264756.40000 0004 4687 2082Department of Biology, Texas A&M, College Station, TX USA
| | - Erik R. Duboue
- grid.255951.fCharles E. Schmidt College of Science, Florida Atlantic University, 33431 Boca Raton, FL USA ,grid.255951.fHarriet L. Wilkes Honors College, Florida Atlantic University, 33458 Jupiter, FL USA
| | - Johanna E. Kowalko
- grid.259029.50000 0004 1936 746XDepartment of Biological Sciences, Lehigh University, 18015 Bethlehem, PA USA
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Lunsford ET, Paz A, Keene AC, Liao JC. Evolutionary convergence of a neural mechanism in the cavefish lateral line system. eLife 2022; 11:77387. [PMID: 35708234 PMCID: PMC9246366 DOI: 10.7554/elife.77387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 06/15/2022] [Indexed: 11/13/2022] Open
Abstract
Animals can evolve dramatic sensory functions in response to environmental constraints, but little is known about the neural mechanisms underlying these changes. The Mexican tetra, Astyanax mexicanus, is a leading model to study genetic, behavioral, and physiological evolution by comparing eyed surface populations and blind cave populations. We compared neurophysiological responses of posterior lateral line afferent neurons and motor neurons across A. mexicanus populations to reveal how shifts in sensory function may shape behavioral diversity. These studies indicate differences in intrinsic afferent signaling and gain control across populations. Elevated endogenous afferent activity identified a lower response threshold in the lateral line of blind cavefish relative to surface fish leading to increased evoked potentials during hair cell deflection in cavefish. We next measured the effect of inhibitory corollary discharges from hindbrain efferent neurons onto afferents during locomotion. We discovered that three independently derived cavefish populations have evolved persistent afferent activity during locomotion, suggesting for the first time that partial loss of function in the efferent system can be an evolutionary mechanism for neural adaptation of a vertebrate sensory system.
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Affiliation(s)
- Elias T Lunsford
- Department of Biology, University of Florida, Saint Augustine, United States
| | - Alexandra Paz
- Department of Biological Sciences, Florida Atlantic University, Jupiter, United States
| | - Alex C Keene
- Texas A&M University, College Station, United States
| | - James C Liao
- Department of Biology, University of Florida, Saint Augustine, United States
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Tanvir Z, Rivera D, Severi KE, Haspel G, Soares D. Evolutionary and homeostatic changes in morphology of visual dendrites of Mauthner cells in Astyanax blind cavefish. J Comp Neurol 2020; 529:1779-1786. [PMID: 33070322 DOI: 10.1002/cne.25056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 01/12/2023]
Abstract
Mauthner cells are the largest neurons in the hindbrain of teleost fish and most amphibians. Each cell has two major dendrites thought to receive segregated streams of sensory input: the lateral dendrite receives mechanosensory input while the ventral dendrite receives visual input. These inputs, which mediate escape responses to sudden stimuli, may be modulated by the availability of sensory information to the animal. To understand the impact of the absence of visual information on the morphologies of Mauthner cells during developmental and evolutionary time scales, we examined the teleost Astyanax mexicanus. This species of tetra is found in two morphs: a seeing surface fish and a blind cavefish. We compared the structure of Mauthner cells in surface fish raised under daily light conditions, in surface fish raised in constant darkness, and in two independent lineages of cave populations. The length of ventral dendrites of Mauthner cells in dark-raised surface fish larvae were longer and more branched, while in both cave morphs the ventral dendrites were smaller or absent. The absence of visual input in surface fish with normal eye development leads to a homeostatic increase in dendrite size, whereas over evolution, the absence of light led to the loss of eyes and a reduction in dendrite size.
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Affiliation(s)
- Zainab Tanvir
- Federated Department of Biological Sciences, New Jersey Institute of Technology, Newark, New Jersey, USA
| | - Daihana Rivera
- Federated Department of Biological Sciences, New Jersey Institute of Technology, Newark, New Jersey, USA
| | - Kristen E Severi
- Federated Department of Biological Sciences, New Jersey Institute of Technology, Newark, New Jersey, USA
| | - Gal Haspel
- Federated Department of Biological Sciences, New Jersey Institute of Technology, Newark, New Jersey, USA
| | - Daphne Soares
- Federated Department of Biological Sciences, New Jersey Institute of Technology, Newark, New Jersey, USA
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