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Miyatake T, Abe MS, Matsumura K, Yoshii T. Artificial selections for death‐feigning behavior in beetles show correlated responses in amplitude of circadian rhythms, but the period of the rhythm does not. Ethology 2022. [DOI: 10.1111/eth.13279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takahisa Miyatake
- Graduate School of Environmental and Life Science Okayama University Okayama Japan
| | - Masato S. Abe
- Center for Advanced Intelligence Project RIKEN Tokyo Japan
| | - Kentarou Matsumura
- Laboratory of Entomology Faculty of Agriculture Kagawa University Takamatsu Japan
| | - Taishi Yoshii
- Graduate School of Natural Science and Technology Okayama University Okayama Japan
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2
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Rayner JG, Sturiale SL, Bailey NW. The persistence and evolutionary consequences of vestigial behaviours. Biol Rev Camb Philos Soc 2022; 97:1389-1407. [PMID: 35218283 PMCID: PMC9540461 DOI: 10.1111/brv.12847] [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: 10/13/2021] [Revised: 02/16/2022] [Accepted: 02/18/2022] [Indexed: 12/23/2022]
Abstract
Behavioural traits are often noted to persist after relaxation or removal of associated selection pressure, whereas it has been observed that morphological traits under similar conditions appear to decay more rapidly. Despite this, persistent non‐adaptive, ‘vestigial’ behavioural variation has received little research scrutiny. Here we review published examples of vestigial behavioural traits, highlighting their surprising prevalence, and argue that their further study can reveal insights about the widely debated role of behaviour in evolution. Some vestigial behaviours incur fitness costs, so may act as a drag on adaptive evolution when that adaptation occurs via trait loss or reversal. In other cases, vestigial behaviours can contribute to future evolutionary trajectories, for example by preserving genetic and phenotypic variation which is later co‐opted by selection during adaptive evolution or diversification, or through re‐emergence after ancestral selection pressures are restored. We explore why vestigial behaviours appear prone to persistence. Behavioural lag may be a general phenomenon arising from relatively high levels of non‐genetic variation in behavioural expression, and pleiotropic constraint. Long‐term persistence of non‐adaptive behavioural traits could also result when their expression is associated with morphological features which might be more rapidly lost or reduced. We propose that vestigial behaviours could provide a substrate for co‐option by novel selective forces, and advocate further study of the fate of behavioural traits following relaxed and reversed selection. Vestigial behaviours have been relatively well studied in the context of antipredator behaviours, but they are far from restricted to this ecological context, and so deserve broader consideration. They also have practical importance, with mixed evidence, for example, as to whether predator/parasite‐avoidance behaviours are rapidly lost in wildlife refuges and captivity. We identify important areas for future research to help determine whether vestigial behaviours essentially represent a form of evolutionary lag, or whether they have more meaningful evolutionary consequences distinct from those of other vestigial and behavioural traits.
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Affiliation(s)
- Jack G Rayner
- Centre for Biological Diversity, Harold Mitchell Building, University of St Andrews, St Andrews, KY16 9TH, U.K
| | - Samantha L Sturiale
- Centre for Biological Diversity, Harold Mitchell Building, University of St Andrews, St Andrews, KY16 9TH, U.K
| | - Nathan W Bailey
- Centre for Biological Diversity, Harold Mitchell Building, University of St Andrews, St Andrews, KY16 9TH, U.K
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Matsumura K, Miyatake T. Effects of individual differences in the locomotor activity of assassin bugs on predator–prey interactions. Ethology 2022. [DOI: 10.1111/eth.13272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
| | - Takahisa Miyatake
- Graduate School of Environmental and Life Science Okayama University Okayama Japan
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Asakura M, Matsumura K, Ishihara R, Miyatake T. Freezing or death feigning? Beetles selected for long death feigning showed different tactics against different predators. Ecol Evol 2022; 12:e8533. [PMID: 35154646 PMCID: PMC8820118 DOI: 10.1002/ece3.8533] [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: 09/27/2021] [Revised: 12/14/2021] [Accepted: 12/17/2021] [Indexed: 11/20/2022] Open
Abstract
Prey evolve antipredator strategies against multiple enemies in nature. We examined how a prey species adopts different predation avoidance tactics against pursuit or sit-and-wait predators. As prey, we used three strains of Tribolium beetles artificially selected for short (short strain) or long (long strain) duration of death feigning, and a stock culture (base population). Death feigning is known to be effective for evading a jumping spider in the case of the long strains, while the present study showed that the long-strain beetles used freezing against a sit-and-wait type predator, Amphibolus venator, in this study. The short- strain beetles were more easily oriented toward predators. The time to predation was also shorter in the short strains compared to the long strains. The results showed that, as prey, the short strains displayed the same behavior, escaping, against both types of predators. Traditionally, death feigning has been thought to be the last resort in a series of antipredator avoidance behaviors. However, our results showed that freezing and death feigning were not parts of a series of behaviors, but independent strategies against different predators, at least for long-strain beetles. We also examined the relationship between a predator's starvation level and its predatory behavior. In addition, the orientation behavior toward and predation rate on the prey were observed to determine how often the predatory insect attacked the beetles.
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Affiliation(s)
- Masaya Asakura
- Graduate School of Environmental and Life ScienceOkayama UniversityOkayamaJapan
| | | | - Ryo Ishihara
- Graduate School of Environmental and Life ScienceOkayama UniversityOkayamaJapan
| | - Takahisa Miyatake
- Graduate School of Environmental and Life ScienceOkayama UniversityOkayamaJapan
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Tanaka K, Sasaki K, Matsumura K, Yajima S, Miyatake T. Genomic characterization between strains selected for death-feigning duration for avoiding attack of a beetle. Sci Rep 2021; 11:21816. [PMID: 34750398 PMCID: PMC8575940 DOI: 10.1038/s41598-021-00987-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 10/21/2021] [Indexed: 11/27/2022] Open
Abstract
Predator avoidance is an important behavior that affects the degree of adaptation of organisms. We compared the DNA variation of one of the predator-avoidance behaviors, the recently extensively studied "death-feigning behavior", between the long strain bred for feigning death for a long time and the short strain bred for feigning death for a short time. To clarify how the difference in DNA sequences between the long and short strains corresponds to the physiological characteristics of the death-feigning duration at the transcriptome level, we performed comprehensive and comparative analyses of gene variants in Tribolium castaneum strains using DNA-resequencing. The duration of death feigning involves many gene pathways, including caffeine metabolism, tyrosine metabolism, tryptophan metabolism, metabolism of xenobiotics by cytochrome P450, longevity regulating pathways, and circadian rhythm. Artificial selection based on the duration of death feigning results in the preservation of variants of genes in these pathways in the long strain. This study suggests that many metabolic pathways and related genes may be involved in the decision-making process of anti-predator animal behavior by forming a network in addition to the tyrosine metabolic system, including dopamine, revealed in previous studies.
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Affiliation(s)
- Keisuke Tanaka
- NODAI Genome Research Center, Tokyo University of Agriculture, Tokyo, Japan
| | - Ken Sasaki
- Graduate School of Agriculture, Tamagawa University, Tokyo, Japan
| | | | - Shunsuke Yajima
- NODAI Genome Research Center, Tokyo University of Agriculture, Tokyo, Japan
- Department of Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Takahisa Miyatake
- Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan.
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Maekawa T, Higashide D, Hara T, Matsumura K, Ide K, Miyatake T, Kimura KD, Takahashi S. Cross-species behavior analysis with attention-based domain-adversarial deep neural networks. Nat Commun 2021; 12:5519. [PMID: 34535659 PMCID: PMC8448872 DOI: 10.1038/s41467-021-25636-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 08/19/2021] [Indexed: 01/12/2023] Open
Abstract
Since the variables inherent to various diseases cannot be controlled directly in humans, behavioral dysfunctions have been examined in model organisms, leading to better understanding their underlying mechanisms. However, because the spatial and temporal scales of animal locomotion vary widely among species, conventional statistical analyses cannot be used to discover knowledge from the locomotion data. We propose a procedure to automatically discover locomotion features shared among animal species by means of domain-adversarial deep neural networks. Our neural network is equipped with a function which explains the meaning of segments of locomotion where the cross-species features are hidden by incorporating an attention mechanism into the neural network, regarded as a black box. It enables us to formulate a human-interpretable rule about the cross-species locomotion feature and validate it using statistical tests. We demonstrate the versatility of this procedure by identifying locomotion features shared across different species with dopamine deficiency, namely humans, mice, and worms, despite their evolutionary differences.
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Affiliation(s)
- Takuya Maekawa
- Graduate School of Information Science and Technology, Osaka University, Osaka, Japan.
| | - Daiki Higashide
- Graduate School of Information Science and Technology, Osaka University, Osaka, Japan
| | - Takahiro Hara
- Graduate School of Information Science and Technology, Osaka University, Osaka, Japan
| | | | - Kaoru Ide
- Graduate School of Brain Science, Doshisha University, Kyoto, Japan
| | - Takahisa Miyatake
- Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan
| | | | - Susumu Takahashi
- Graduate School of Brain Science, Doshisha University, Kyoto, Japan
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Ishihara R, Matsumura K, Jones JE, Yuhao J, Fujisawa R, Nagaya N, Miyatake T. Arousal from death feigning by vibrational stimuli: comparison of Tribolium species. J ETHOL 2020. [DOI: 10.1007/s10164-020-00680-0] [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]
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Miyatake T, Matsumura K, Kitayama R, Otsuki K, Yuhao J, Fujisawa R, Nagaya N. Arousal from Tonic Immobility by Vibration Stimulus. Behav Genet 2019; 49:478-483. [PMID: 31227945 DOI: 10.1007/s10519-019-09962-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 06/11/2019] [Indexed: 11/29/2022]
Abstract
Tonic immobility (TI) is an effective anti-predator strategy. However, long immobility status on the ground increases the risk of being eaten by predators, and thus insects must rouse themselves when appropriate stimulation is provided. Here, the strength of vibration causing arousal from the state of TI was examined in strains artificially selected for longer duration of TI (L-strains: long sleeper) in a beetle. We provided different strengths of vibration stimuli to the long sleepers in Tribolium castaneum. Although immobilized beetles were never awakened by the stimuli from 0.01 to 0.12 mm in amplitude, almost of the beetles were aroused from immobilized status by the stimulus at 0.21 mm. There was a difference in sensitivity of individuals when the stimuli of 0.14 mm and 0.18 mm were provided. F2 individuals were also bred by crossing experiments of the strains selected for shorter and longer duration of TI. The arousal sensitivity to vibration was well separated in the F2 individuals. A positive relationship was observed between the duration of TI and the vibration amplitude, suggesting that immobilized beetles are difficult to arouse from a deep sleep, while light sleepers are easily aroused by even small vibrations. The results indicate a genetic basis for sensitivity to arousal from TI.
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Affiliation(s)
- Takahisa Miyatake
- Department of Evolutionary Ecology, Graduate School of Environmental and Life Science, Okayama University, Kita-ku, Okayama, Japan.
| | - Kentarou Matsumura
- Department of Evolutionary Ecology, Graduate School of Environmental and Life Science, Okayama University, Kita-ku, Okayama, Japan
| | - Ryota Kitayama
- Department of Evolutionary Ecology, Graduate School of Environmental and Life Science, Okayama University, Kita-ku, Okayama, Japan
| | - Keiichi Otsuki
- Faculty of Computer Science and Engineering, Kyoto Sangyo University, Motoyama, Kamigamo, Kita-ku, Kyoto, Japan
| | - Ji Yuhao
- Department of Evolutionary Ecology, Graduate School of Environmental and Life Science, Okayama University, Kita-ku, Okayama, Japan
| | - Ryusuke Fujisawa
- School of Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka-shi, Fukuoka, 820-8502, Japan
| | - Naohisa Nagaya
- Faculty of Computer Science and Engineering, Kyoto Sangyo University, Motoyama, Kamigamo, Kita-ku, Kyoto, Japan
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Nakata K. 2018 Editor’s Choice Award and Editor’s Choice Articles. J ETHOL 2019. [DOI: 10.1007/s10164-019-00597-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Influence of artificial selection for duration of death feigning on pre- and post-copulatory traits in male Tribolium castaneum. J ETHOL 2019. [DOI: 10.1007/s10164-019-00596-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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