Convergent evolution of body color between sympatric freshwater fishes via different visual sensory evolution

Montenegro, Javier; Mochida, Koji; Matsui, Kumi; Mokodongan, Daniel F.; Sumarto, Bayu K. A.; Lawelle, Sjamsu Alam; Nofrianto, Andy B.; Hadiaty, Renny Kurnia; Masengi, Kawilarang W. A.; Yong, Lengxob; Inomata, Norio; Irie, Takahiro; Hashiguchi, Yasuyuki; Terai, Yohey; Kitano, Jun; Yamahira, Kazunori

doi:10.1002/ece3.5211

Cited by 10 publications

(9 citation statements)

References 44 publications

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“…Furthermore, the retention of RH2C is an adaptation of turbot to the spectral environment in the deep sea due to its shortwave-shift of λ max . Additionally, some studies have shown that opsin genes are tied to nuptial and body coloration [ 36 , 37 ], but further work is required to confirm this function. Regarding the RH1 genes, all flatfish species studied herein have the substitution of D83N, which has been demonstrated to cause blue shift in cattle and chameleons [ 38 ].…”

Section: Discussionmentioning

confidence: 99%

Evolutionary ecology of the visual opsin gene sequence and its expression in turbot (Scophthalmus maximus)

Wang

Zhou

et al. 2021

BMC Ecol Evo

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Background As flatfish, turbot undergo metamorphosis as part of their life cycle. In the larval stage, turbot live at the ocean surface, but after metamorphosis they move to deeper water and turn to benthic life. Thus, the light environment differs greatly between life stages. The visual system plays a great role in organic evolution, but reports of the relationship between the visual system and benthic life are rare. In this study, we reported the molecular and evolutionary analysis of opsin genes in turbot, and the heterochronic shifts in opsin expression during development. Results Our gene synteny analysis showed that subtype RH2C was not on the same gene cluster as the other four green-sensitive opsin genes (RH2) in turbot. It was translocated to chromosome 8 from chromosome 6. Based on branch-site test and spectral tuning sites analyses, E122Q and M207L substitutions in RH2C, which were found to be under positive selection, are closely related to the blue shift of optimum light sensitivities. And real-time PCR results indicated the dominant opsin gene shifted from red-sensitive (LWS) to RH2B1 during turbot development, which may lead to spectral sensitivity shifts to shorter wavelengths. Conclusions This is the first report that RH2C may be an important subtype of green opsin gene that was retained by turbot and possibly other flatfish species during evolution. Moreover, E122Q and M207L substitutions in RH2C may contribute to the survival of turbot in the bluish colored ocean. And heterochronic shifts in opsin expression may be an important strategy for turbot to adapt to benthic life.

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Section: Discussionmentioning

confidence: 99%

Evolutionary ecology of the visual opsin gene sequence and its expression in turbot (Scophthalmus maximus)

Wang

Zhou

et al. 2021

BMC Ecol Evo

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“…Furthermore, the retention of RH2C is an adaptation of turbot to the spectral environment in the deep sea due to its short-shift of λ max . Additionally, some studies have shown that opsin genes are tied to nuptial and body coloration [31,32], but further work is required to confirm this function. Regarding the RH1 genes, all flatfish species studied herein have the substitution of D83N, which has been demonstrated to cause blue shift in cattle and chameleons [33].…”

Section: Molecular Evolution Of Rh2 and Rh1mentioning

confidence: 99%

Evolutionary ecology of the visual opsin gene sequence and its expression in turbot (Scophthalmus maximus)

Wang

et al. 2020

Preprint

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Background As flatfish, turbot undergo metamorphosis as part of their life cycle. In the larval stage, turbot live at the ocean surface, but after metamorphosis they move to deeper water and turn to benthic life. Thus, the light environment differs greatly between life stages. The vision system plays a great role in organic evolution, but reports of the relationship between the visual system and benthic life are rare. In this study, we reported the molecular and evolutionary analysis of opsin genes in turbot, and the heterochronic shifts in opsin expression during development.Results Our gene synteny analysis showed that subtype RH2C was not on the same gene cluster as the other four green-sensitive opsin genes ( RH2 ) in turbot. It was translocated to chromosome 8 from chromosome 6. Based on branch-site test and spectral tuning sites analyses, E122Q and M207L substitutions in RH2C , which were found to be under positive selection, are closely related to the blue shift of optimum light sensitivities. And real-time PCR results indicated the dominant opsin gene shifted from red-sensitive ( LWS ) to RH2B1 during turbot development, which may lead to spectral sensitivity transition from red to green.Conclusions We demonstrated that RH2C may be an important subtype of green opsin gene that was retained by turbot and possibly other flatfish species during evolution. Moreover, E122Q and M207L substitutions in RH2C may contribute to the survival of turbot in the bluish colored ocean. And heterochronic shifts in opsin expression may be an important strategy for turbot to adapt to benthic life.

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“…34-36 Finally, to identify genes that are associated with populations with different genetic heritability or environmental quality, transcriptome analysis using RNA-seq procedure can be performed. 37,38…”

Section: Some Selected Molecular Computational and Bioinformatics Tmentioning

confidence: 99%

Applications of Next-Generation Sequencing Technologies and Computational Tools in Molecular Evolution and Aquatic Animals Conservation Studies: A Short Review

Tan

Wong

Razali

et al. 2019

Evol Bioinform Online

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Aquatic ecosystems that form major biodiversity hotspots are critically threatened due to environmental and anthropogenic stressors. We believe that, in this genomic era, computational methods can be applied to promote aquatic biodiversity conservation by addressing questions related to the evolutionary history of aquatic organisms at the molecular level. However, huge amounts of genomics data generated can only be discerned through the use of bioinformatics. Here, we examine the applications of next-generation sequencing technologies and bioinformatics tools to study the molecular evolution of aquatic animals and discuss the current challenges and future perspectives of using bioinformatics toward aquatic animal conservation efforts.

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Convergent evolution of body color between sympatric freshwater fishes via different visual sensory evolution

Cited by 10 publications

References 44 publications

Evolutionary ecology of the visual opsin gene sequence and its expression in turbot (Scophthalmus maximus)

Evolutionary ecology of the visual opsin gene sequence and its expression in turbot (Scophthalmus maximus)

Evolutionary ecology of the visual opsin gene sequence and its expression in turbot (Scophthalmus maximus)

Applications of Next-Generation Sequencing Technologies and Computational Tools in Molecular Evolution and Aquatic Animals Conservation Studies: A Short Review

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