Journal Article
The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N.
Record Number:
6076
Year:
2021
Journal:
International Journal of Developmental Biology
Pages:
245-250
Volume:
65
Abstract:
ABSTRACT Vertebrate eyes share the same general organization, though species have evolved morphological and functional adaptations to diverse environments. Cave-adapted animals are characterized by a variety of features including eye reduction, loss of body pigmentation, and enhanced non-visual sensory systems. Species that live in perpetual darkness have also evolved sensory mechanisms that are independent of light stimuli. The subterranean catfish Phreatobius cisternarum lives in the Amazonian phreatic zone and displays a diversity of morphological features that are similar to those observed in cavefish and appear to be adaptations to life in the dark. Here we combine histological and transcriptome analyses to characterize sensory adaptations of P. cisternarum to the subterranean environment. Histological analysis showed that the vestigial eyes of P. cisternarum contain a rudimentary lens. Transcriptome analysis revealed a repertoire of eleven visual and non-visual opsins and the expression of 36 genes involved in lens development and maintenance. In contrast to other cavefish species, such as Astyanax mexicanus, Phreatichthys andruzzii, Sinocyclocheilus anophthalmus and Sinocyclocheilus microphthalmus, DASPEI neuromast staining patterns did not show an increase in the number of sensory hair cells. Our work reveals unique adaptations in the visual system of P. cisternarum to underground habitats and helps to shed light into troglomorphic attributes of subterranean animals.
KEY WORDS: opsin, blind catfish, neuromast, sensory system
Times Cited:
8
Relevent Species:
Phreatobius undescribed species Anapixi [Muriel-Cunha 2008]Phreatobius dracunculus Shibatta, Muriel-Cunha and De Pinna 2007Phreatobius sanguijuela Fernandez, Saucedo, Carvajal and Schaefer 2007Phreatobius cisternarum Goeldi 1905Phreatobius undescribed species Jaú [Muriel-Cunha 2008]Phreatobius undescribed species Tarumanzinho [Muriel-Cunha 2008]Phreatobius undescribed species Viruá [Muriel-Cunha 2008]Phreatobius undescribed species Aripuana [Muriel-Cunha 2008]
Related Records:
Fuhrmann, O. (1905)
Scleropages formosum und uber Phreatobius cisternarum
Fuhrmann, O. (1905)Scleropages formosum und uber Phreatobius cisterarum
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Fuhrmann, O. (1905)Scleropages formosum und uber Phreatobius cisternarum
Fuhrmann, O. (1905)Scleropages formosum und uber Phreatobius cisterarum
Fuhrmann, O. (1905)Scleropages formosum und uber Phreatobius cisternarum
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Fuhrmann, O. (1905)Scleropages formosum und uber Phreatobius cisternarum
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Goeldi, E. (1905)Nova zoologica aus der Amazonas-Region. Neue Wirbeltiere
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Mariluz, B.R. (2019)A base molecular das adaptações visuais nos genes das opsinas de anableps Anableps e Phreatobius cisternarum através da análise de transcriptoma
Mariluz, B.R. (2019)A base molecular das adaptações visuais nos genes das opsinas de anableps Anableps e Phreatobius cisternarum através da análise de transcriptoma
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Liu, A. Schneider, P. and Taylor,J. (2019)Opsins in the dark. Characterising light sensitive genes in the Brazilian eyeless cavefish Phreatobius cisternarum
Liu, A. Schneider, P. and Taylor,J. (2019)Opsins in the dark. Characterising light sensitive genes in the Brazilian eyeless cavefish Phreatobius cisternarum
Mariluz, B.R. (2019)A base molecular das adaptações visuais nos genes das opsinas de anableps Anableps e Phreatobius cisternarum através da análise de transcriptoma
Liu, A. Schneider, P. and Taylor,J. (2019)Opsins in the dark. Characterising light sensitive genes in the Brazilian eyeless cavefish Phreatobius cisternarum
Mariluz, B.R. (2019)A base molecular das adaptações visuais nos genes das opsinas de anableps Anableps e Phreatobius cisternarum através da análise de transcriptoma
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N. (2021)The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N. (2021)The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N. (2021)The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N. (2021)The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N. (2021)The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N. (2021)The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N. (2021)The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment
Perez, L.N., Mariluz, B.R., Lorena, J., Liu, A., Sousa, M.P., Martins, R.A.P., Taylor, J.S. and Schneider, P.N. (2021)The subterranean catfish Phreatobius cisternarum provides insights into visual adaptations to the phreatic environment