Phylogenetics and the evolution of terrestriality in mudskippers (Gobiidae: Oxudercinae)

Steppan, Scott J.; Meyer, Anna A.; Barrow, Lisa N.; Alhajeri, Bader H.; Al-Zaidan, ASY; Gignac, Paul M.; Erickson, Gregory M.

doi:10.1016/j.ympev.2022.107416

Cited by 18 publications

(21 citation statements)

References 26 publications

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“…Within this clade, S. histophorus and B. pectinirostris were clustered into a sister clade, P. magnuspinnatus, and P. modestus clustered into a second sister clade with a 100% support rate for all nodes in these clades. This topology is also supported in other phylogenetic analyses (McCraney et al, 2020;Steppan et al, 2022). The divergence time analysis shows that Gobiiformes diverged from Kurtiformes approximately 96 Mya and S. histophorus diverged with B. pectinirostris approximately 30.9 Mya.…”

Section: Datasupporting

confidence: 78%

A chromosome-level genome assembly of the Walking goby (Scartelaos histophorus)

Corush

et al. 2022

Front. Mar. Sci.

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Phylogenetic tree of Scartelaos histophorus with 19 other species. Black numbers at nodes represent divergence time. The orange numbers and blue numbers represent the numbers of expanded and contracted gene families, respectively. Author contributionsJZ supervised the study and managed the project. JZ, XL, and JQ collected the samples in-field. XL performed the genome sequencing, assembly, annotation, genetic data analyses, and writing of the draft manuscript. JQ, JBC, and JC contributed to the taxonomy and phylogeny issues. JZ, XL, and JBC finished the

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Section: Datasupporting

confidence: 78%

A chromosome-level genome assembly of the Walking goby (Scartelaos histophorus)

Corush

et al. 2022

Front. Mar. Sci.

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Section: Resultsmentioning

confidence: 99%

“…Mudskippers exhibit unusual features of skillful crawling on land, swimming on water, and jumping in mud, which are a kind of fish with multiscene adaptation and multifunction driving behavior. , Thus, developing a smart actuator inspired by a mudskipper that can respond to a variety of environments has great prospects. To better control the multifunction driving behavior of robotic soft actuators, light as a wireless remote control is undoubtedly the most effective and predominant stimulus.…”

Section: Introductionmentioning

confidence: 99%

Toward a Multifunctional Light-Driven Biomimetic Mudskipper-Like Robot for Various Application Scenarios

Xiang

et al. 2022

ACS Appl. Mater. Interfaces

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The systematicness, flexibility, and complexity of natural biological organisms are a constant stream of inspiration for researchers. Therefore, mimicking the natural intelligence system to develop microrobotics has attracted broad interests. However, developing a multifunctional device for various application scenarios has great challenges. Herein, we present a bionic multifunctional actuation devicea light-driven mudskipper-like actuator that is composed of a porous silicone elastomer and graphene oxide. The actuator exhibits a reversible and wellintegrated response to near-infrared (NIR) light due to the photothermal-induced contractile stress in the actuation film, which promotes generation of cyclical and rapid locomotion upon NIR light being switched on and off, such as bending in air and crawling in liquid. Furthermore, through rational device design and modulation of light, the mechanically versatile device can float and swim controllably following a predesigned route at the liquid/air interface. More interestingly, the actuator can jump from liquid medium to air with an extremely short response time (400 ms), a maximum speed of 2 m s −1 , and a height of 14.3 cm under the stimulation of near-infrared light. The present work possesses great potential in the applications of bioinspired actuators in various fields, such as microrobots, sensors, and locomotion.

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“…Phylogenetic and comparative analyses revealed that the terrestrial transitions of mudskipper lineages are were independent of each other (Steppan et al, 2022). These species are mainly distributed in the intertidal mangrove or muddy beach areas of tropical, subtropical and temperate seas and exhibit a wide range of extreme adaptations to an amphibious lifestyle (Nursall, 1981;Burggren, 1997;Sayer, 2005;Ishimatsu and Gonzales, 2011).…”

Section: Introductionmentioning

confidence: 99%

New Insight Into Visual Adaptation in the Mudskipper Cornea: From Morphology to the Cornea-Related COL8A2 Gene

Yuan

Lin

et al. 2022

Front. Ecol. Evol.

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Much research has focused on visual system evolution in bony fishes. The capacity of visual systems to perceive and respond to external signals is integral to evolutionary success. However, integrated research on the mechanisms of adaptive evolution based on corneal structure and related genes remains limited. In this study, scanning electron microscopy (SEM) was used to assess the microstructure and adaptation of corneal epithelial cells. Then, the evolution of the cornea-related COL8A2 gene was investigated. We found various projections (microridges, microplicae, microholes, and microvilli) on the corneal epithelial cells of amphibious mudskippers. Compared with those of fully aquatic fishes, these microstructures were considered adaptations to the variable environments experienced by amphibious mudskippers, as they can resist dryness in terrestrial environments and infection in aquatic environments. Moreover, strong purifying selection was detected for COL8A2. In addition, some specific amino acid substitution sites were also identified in the COL8A2 sequence in mudskippers. Interestingly, the evolutionary rate of the COL8A2 gene was significantly and positively correlated with maximum diving depth in our dataset. Specifically, with increasing diving depth, the evolutionary rate of the COL8A2 gene seemed to gradually accelerate. The results indicated that the cornea of bony fishes has evolved through adaptation to cope with the different diving depths encountered during the evolutionary process, with the corneal evolution of the amphibious mudskipper group showing a unique pattern.

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Phylogenetics and the evolution of terrestriality in mudskippers (Gobiidae: Oxudercinae)

Cited by 18 publications

References 26 publications

A chromosome-level genome assembly of the Walking goby (Scartelaos histophorus)

A chromosome-level genome assembly of the Walking goby (Scartelaos histophorus)

Toward a Multifunctional Light-Driven Biomimetic Mudskipper-Like Robot for Various Application Scenarios

New Insight Into Visual Adaptation in the Mudskipper Cornea: From Morphology to the Cornea-Related COL8A2 Gene

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