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Sakurai Y, Ikeda Y. Effect of visual lateralization on the spatial position of individuals within a school of oval squid (Sepioteuthis lessoniana). J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2024; 210:381-398. [PMID: 37515730 DOI: 10.1007/s00359-023-01654-6] [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: 04/10/2023] [Revised: 06/23/2023] [Accepted: 06/29/2023] [Indexed: 07/31/2023]
Abstract
The spatial position of individuals within a social group, which provides the group members with benefits and costs, is determined by several physical and physiological factors. Lateralization (left and right asymmetry of morphology and behavior) could also be factors determining the individual's positions within a group. However, this possibility has been documented in some fish species, but never in an invertebrate species. This study investigates the association between spatial positions and lateralization in oval squid, Sepioteuthis lessoniana, which displays social behavior, such as schooling and lateralization for eye use (visual lateralization). The direction and strength of visual lateralization were determined for single squid by observing which eye was used to detect the prey, predators, and conspecifics. The spatial positions of individuals were determined by identifying whether the squids were in the left or right side from the center of the school. When the prey was presented to schooling squids, strongly lateralized squids against prey positioned themselves on the right side, whereas weakly lateralized squids positioned themselves on the left side. When the predator was presented to squids, the strongly lateralized squids against the conspecifics positioned themselves on the right side, and the weakly lateralized squids positioned themselves on the left side. When no targets were presented, the strongly lateralized squids against the predator positioned themselves on the right side, whereas the weakly lateralized squids positioned themselves on the left side. The strength of visual lateralization of oval squid could offer the defensive and offensive functions of schools with specific individual positions.
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Affiliation(s)
- Yuma Sakurai
- Department of Marine and Environmental Sciences, Graduate School of Engineering and Science, University of the Ryukyus, Senbaru, Nishihara, Okinawa, 903-0213, Japan
- Department of Biological Sciences, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Yuzuru Ikeda
- Department of Chemistry, Biology and Marine Science, Faculty of Science, University of the Ryukyus, Senbaru, Nishihara, Okinawa, 903-0213, Japan.
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2
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Li G, Wong TW, Shih B, Guo C, Wang L, Liu J, Wang T, Liu X, Yan J, Wu B, Yu F, Chen Y, Liang Y, Xue Y, Wang C, He S, Wen L, Tolley MT, Zhang AM, Laschi C, Li T. Bioinspired soft robots for deep-sea exploration. Nat Commun 2023; 14:7097. [PMID: 37925504 PMCID: PMC10625581 DOI: 10.1038/s41467-023-42882-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/24/2023] [Indexed: 11/06/2023] Open
Abstract
The deep ocean, Earth's untouched expanse, presents immense challenges for exploration due to its extreme pressure, temperature, and darkness. Unlike traditional marine robots that require specialized metallic vessels for protection, deep-sea species thrive without such cumbersome pressure-resistant designs. Their pressure-adaptive forms, unique propulsion methods, and advanced senses have inspired innovation in designing lightweight, compact soft machines. This perspective addresses challenges, recent strides, and design strategies for bioinspired deep-sea soft robots. Drawing from abyssal life, it explores the actuation, sensing, power, and pressure resilience of multifunctional deep-sea soft robots, offering game-changing solutions for profound exploration and operation in harsh conditions.
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Affiliation(s)
- Guorui Li
- Qingdao Innovation and Development Base, Harbin Engineering University, Qingdao, China.
- Science and Technology on Underwater Vehicle Technology Laboratory, Harbin Engineering University, Harbin, China.
- College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China.
| | - Tuck-Whye Wong
- Center for X-Mechanics, Zhejiang University, Hangzhou, China
- Department of Biomedical Engineering and Health Sciences, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Benjamin Shih
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Chunyu Guo
- Qingdao Innovation and Development Base, Harbin Engineering University, Qingdao, China
- Science and Technology on Underwater Vehicle Technology Laboratory, Harbin Engineering University, Harbin, China
- College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China
| | - Luwen Wang
- School of Information and Electrical Engineering, Hangzhou City University, Hangzhou, China
| | - Jiaqi Liu
- School of Mechanical Engineering and Automation, Beihang University, Beijing, China
| | - Tao Wang
- Qingdao Innovation and Development Base, Harbin Engineering University, Qingdao, China
- Science and Technology on Underwater Vehicle Technology Laboratory, Harbin Engineering University, Harbin, China
- College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China
| | - Xiaobo Liu
- Qingdao Innovation and Development Base, Harbin Engineering University, Qingdao, China
- Science and Technology on Underwater Vehicle Technology Laboratory, Harbin Engineering University, Harbin, China
- College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China
| | - Jiayao Yan
- Department of Mechanical and Aerospace Engineering, University of California, San Diego, MA, USA
| | - Baosheng Wu
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, China
| | - Fajun Yu
- Qingdao Innovation and Development Base, Harbin Engineering University, Qingdao, China
- Science and Technology on Underwater Vehicle Technology Laboratory, Harbin Engineering University, Harbin, China
| | - Yunsai Chen
- Qingdao Innovation and Development Base, Harbin Engineering University, Qingdao, China
| | | | - Yaoting Xue
- Center for X-Mechanics, Zhejiang University, Hangzhou, China
| | - Chengjun Wang
- Center for X-Mechanics, Zhejiang University, Hangzhou, China
| | - Shunping He
- Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya, China
| | - Li Wen
- School of Mechanical Engineering and Automation, Beihang University, Beijing, China
| | - Michael T Tolley
- Department of Mechanical and Aerospace Engineering, University of California, San Diego, MA, USA
| | - A-Man Zhang
- Science and Technology on Underwater Vehicle Technology Laboratory, Harbin Engineering University, Harbin, China
- College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China
| | - Cecilia Laschi
- Department of Mechanical Engineering, National University of Singapore, Singapore, Singapore
- The BioRobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy
| | - Tiefeng Li
- Center for X-Mechanics, Zhejiang University, Hangzhou, China.
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Burford BP, Williams RR, Demetras NJ, Carey N, Goldbogen J, Gilly WF, Harding J, Denny MW. The limits of convergence in the collective behavior of competing marine taxa. Ecol Evol 2022; 12:e8747. [PMID: 35356556 PMCID: PMC8939367 DOI: 10.1002/ece3.8747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 01/31/2022] [Accepted: 02/24/2022] [Indexed: 11/23/2022] Open
Abstract
Collective behaviors in biological systems such as coordinated movements have important ecological and evolutionary consequences. While many studies examine within‐species variation in collective behavior, explicit comparisons between functionally similar species from different taxonomic groups are rare. Therefore, a fundamental question remains: how do collective behaviors compare between taxa with morphological and physiological convergence, and how might this relate to functional ecology and niche partitioning? We examined the collective motion of two ecologically similar species from unrelated clades that have competed for pelagic predatory niches for over 500 million years—California market squid, Doryteuthis opalescens (Mollusca) and Pacific sardine, Sardinops sagax (Chordata). We (1) found similarities in how groups of individuals from each species collectively aligned, measured by angular deviation, the difference between individual orientation and average group heading. We also (2) show that conspecific attraction, which we approximated using nearest neighbor distance, was greater in sardine than squid. Finally, we (3) found that individuals of each species explicitly matched the orientation of groupmates, but that these matching responses were less rapid in squid than sardine. Based on these results, we hypothesize that information sharing is a comparably important function of social grouping for both taxa. On the other hand, some capabilities, including hydrodynamically conferred energy savings and defense against predators, could stem from taxon‐specific biology.
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Affiliation(s)
- Benjamin P. Burford
- Hopkins Marine Station of Stanford University Pacific Grove California USA
- Institute of Marine Sciences, affiliated with the National Oceanic and Atmospheric Administration National Marine Fisheries Service Southwest Fisheries Science Center University of California Santa Cruz Santa Cruz California USA
| | | | - Nicholas J. Demetras
- Institute of Marine Sciences, affiliated with the National Oceanic and Atmospheric Administration National Marine Fisheries Service Southwest Fisheries Science Center University of California Santa Cruz Santa Cruz California USA
| | - Nicholas Carey
- Hopkins Marine Station of Stanford University Pacific Grove California USA
- Marine Scotland Science Aberdeen UK
| | - Jeremy Goldbogen
- Hopkins Marine Station of Stanford University Pacific Grove California USA
| | - William F. Gilly
- Hopkins Marine Station of Stanford University Pacific Grove California USA
| | - Jeffrey Harding
- National Oceanic and Atmospheric Administration National Marine Fisheries Service Southwest Fisheries Science Center Santa Cruz California USA
| | - Mark W. Denny
- Hopkins Marine Station of Stanford University Pacific Grove California USA
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4
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Sakurai Y, Ikeda Y. Visual and brain lateralization during the posthatching phase in squid under solitary and group conditions. Anim Behav 2022. [DOI: 10.1016/j.anbehav.2021.10.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Bioluminescence and Photoreception in Unicellular Organisms: Light-Signalling in a Bio-Communication Perspective. Int J Mol Sci 2021; 22:ijms222111311. [PMID: 34768741 PMCID: PMC8582858 DOI: 10.3390/ijms222111311] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 12/13/2022] Open
Abstract
Bioluminescence, the emission of light catalysed by luciferases, has evolved in many taxa from bacteria to vertebrates and is predominant in the marine environment. It is now well established that in animals possessing a nervous system capable of integrating light stimuli, bioluminescence triggers various behavioural responses and plays a role in intra- or interspecific visual communication. The function of light emission in unicellular organisms is less clear and it is currently thought that it has evolved in an ecological framework, to be perceived by visual animals. For example, while it is thought that bioluminescence allows bacteria to be ingested by zooplankton or fish, providing them with favourable conditions for growth and dispersal, the luminous flashes emitted by dinoflagellates may have evolved as an anti-predation system against copepods. In this short review, we re-examine this paradigm in light of recent findings in microorganism photoreception, signal integration and complex behaviours. Numerous studies show that on the one hand, bacteria and protists, whether autotrophs or heterotrophs, possess a variety of photoreceptors capable of perceiving and integrating light stimuli of different wavelengths. Single-cell light-perception produces responses ranging from phototaxis to more complex behaviours. On the other hand, there is growing evidence that unicellular prokaryotes and eukaryotes can perform complex tasks ranging from habituation and decision-making to associative learning, despite lacking a nervous system. Here, we focus our analysis on two taxa, bacteria and dinoflagellates, whose bioluminescence is well studied. We propose the hypothesis that similar to visual animals, the interplay between light-emission and reception could play multiple roles in intra- and interspecific communication and participate in complex behaviour in the unicellular world.
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Li B, Chen R, Zhu C, Kong F. Glowing plants can light up the night sky? A review. Biotechnol Bioeng 2021; 118:3706-3715. [PMID: 34251679 DOI: 10.1002/bit.27884] [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: 04/13/2021] [Revised: 07/04/2021] [Accepted: 07/09/2021] [Indexed: 11/10/2022]
Abstract
Luminescence, a physical phenomenon that producing cool light in vivo, has been found in bacteria, fungi, and animals but not yet in terrestrial higher plants. Through genetic engineering, it is feasible to introduce luminescence systems into living plant cells as biomarkers. Recently, some plants transformed with luminescent systems can glimmer in darkness, which can be observed by our naked eyes and provides a novel lighting resource. In this review, we summarized the bioassay development of luminescence in plant cells, followed by exampling the successful cases of glowing plants transformed with diverse luminescent systems. The potential key factors to design or optimize a glowing plant were also discussed. Our review is useful for the creation of the optimized glowing plants, which can be used not only in scientific research, but also as promising substitutes of artificial light sources in the future.
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Affiliation(s)
- Bolong Li
- School of Bioengineering, Dalian University of Technology, Dalian, China
| | - Ru Chen
- School of Bioengineering, Dalian University of Technology, Dalian, China
| | - Chenba Zhu
- School of Bioengineering, Dalian University of Technology, Dalian, China.,Institute of Biotechnology, RWTH Aachen University, Aachen, Germany
| | - Fantao Kong
- School of Bioengineering, Dalian University of Technology, Dalian, China
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Chakraborty T, Wegner SV. Cell to Cell Signaling through Light in Artificial Cell Communities: Glowing Predator Lures Prey. ACS NANO 2021; 15:9434-9444. [PMID: 34152740 DOI: 10.1021/acsnano.1c01600] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Cells commonly communicate with each other through diffusible molecules but nonchemical communication remains elusive. While bioluminescent organisms communicate through light to find prey or attract mates, it is still under debate if signaling through light is possible at the cellular level. Here, we demonstrate that cell to cell signaling through light is possible in artificial cell communities derived from biomimetic vesicles. In our design, artificial sender cells produce an intracellular light signal, which triggers the adhesion to receiver cells. Unlike soluble molecules, the light signal propagates fast, independent of diffusion and without the need for a transporter across membranes. To obtain a predator-prey relationship, the luminescence predator cells is loaded with a secondary diffusible poison, which is transferred to the prey cell upon adhesion and leads to its lysis. This design provides a blueprint for light based intercellular communication, which can be used for programing artificial and natural cell communities.
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Affiliation(s)
- Taniya Chakraborty
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Waldeyerstr. 15, 48149 Münster, Germany
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Seraphine V Wegner
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Waldeyerstr. 15, 48149 Münster, Germany
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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Jose AM. The analysis of living systems can generate both knowledge and illusions. eLife 2020; 9:56354. [PMID: 32553111 PMCID: PMC7302876 DOI: 10.7554/elife.56354] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 06/12/2020] [Indexed: 12/20/2022] Open
Abstract
Life relies on phenomena that range from changes in molecules that occur within nanoseconds to changes in populations that occur over millions of years. Researchers have developed a vast range of experimental techniques to analyze living systems, but a given technique usually only works over a limited range of length or time scales. Therefore, gaining a full understanding of a living system usually requires the integration of information obtained at multiple different scales by two or more techniques. This approach has undoubtedly led to a much better understanding of living systems but, equally, the staggering complexity of these systems, the sophistication and limitations of the techniques available in modern biology, and the need to use two or more techniques, can lead to persistent illusions of knowledge. Here, in an effort to make better use of the experimental techniques we have at our disposal, I propose a broad classification of techniques into six complementary approaches: perturbation, visualization, substitution, characterization, reconstitution, and simulation. Such a taxonomy might also help increase the reproducibility of inferences and improve peer review.
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Affiliation(s)
- Antony M Jose
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, United States
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