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      A new species of Rineloricaria (Siluriformes: Loricariidae) from coastal drainages of Rio de Janeiro, southeastern Brazil

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          Abstract

          Abstract A new species of Rineloricaria is described from the Iguaçu, Magé, Saracuruna, Guapiaçu, Macacu, Macaé, and Paraíba do Sul River basins in southeastern Brazil based on morphological and molecular data. The new species is diagnosed among congeners by the combination of the following characters: absence of plates in most of the ventral surface of pectoral girdle; snout tip with elliptical naked area reaching posteriorly the anteriormost pore of the infraorbital ramus of sensory canal; dorsal-fin spinelet present; supraoccipital and predorsal plates with smooth keels; five series of lateral plates below the dorsal fin; median and mid-ventral series of plates with well-developed keels. The new species is distinguished from congeners that inhabit the rivers draining the Serra do Mar in Rio de Janeiro state by the partial plate coverage of the ventral surface of the pectoral girdle and the abdomen (vs. pectoral girdle and abdomen completely covered by plates in Rineloricaria nigricauda, R. steindachneri, and R. zawadzkii). The new species shares the absence of plates on the abdominal surface with other species from the Paraná, Uruguay, and other Brazilian coastal river basins.

          Translated abstract

          Resumo Uma nova espécie de Rineloricaria é descrita das bacias dos rios Iguaçu, Magé, Saracuruna, Guapiaçu, Macacu, Macaé e Paraíba do Sul, no sudeste do Brasil, com base em caracteres morfológicos e moleculares. A nova espécie é diagnosticada entre as congêneres pela combinação dos seguintes caracteres: ausência de placas na maior parte da superfície ventral da cintura peitoral; extremidade do focinho com área nua elíptica estendida posteriormente, alcançando o poro mais anterior do canal sensorial infraorbital; presença de spinelet na origem da nadadeira dorsal; placas supraoccipitais e pré-dorsais com quilhas pouco proeminentes; cinco séries de placas laterais abaixo da origem da nadadeira dorsal; placas das séries mediana e médio-ventral com quilhas bem desenvolvidas. A nova espécie distingue-se das congêneres que habitam os rios que drenam a Serra do Mar no Estado do Rio de Janeiro pela cobertura parcial de placas da superfície ventral da cintura peitoral e do abdômen (vs. cintura peitoral e abdômen completamente cobertos por placas em Rineloricaria nigricauda, R. steindachneri e R. zawadzkii). A nova espécie compartilha a ausência de placas na superfície abdominal com outras espécies das bacias hidrográficas dos rios Paraná e Uruguai e rios costeiros do Brasil.

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          MEGA X: Molecular Evolutionary Genetics Analysis across Computing Platforms.

          The Molecular Evolutionary Genetics Analysis (Mega) software implements many analytical methods and tools for phylogenomics and phylomedicine. Here, we report a transformation of Mega to enable cross-platform use on Microsoft Windows and Linux operating systems. Mega X does not require virtualization or emulation software and provides a uniform user experience across platforms. Mega X has additionally been upgraded to use multiple computing cores for many molecular evolutionary analyses. Mega X is available in two interfaces (graphical and command line) and can be downloaded from www.megasoftware.net free of charge.
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            MUSCLE: multiple sequence alignment with high accuracy and high throughput.

            We describe MUSCLE, a new computer program for creating multiple alignments of protein sequences. Elements of the algorithm include fast distance estimation using kmer counting, progressive alignment using a new profile function we call the log-expectation score, and refinement using tree-dependent restricted partitioning. The speed and accuracy of MUSCLE are compared with T-Coffee, MAFFT and CLUSTALW on four test sets of reference alignments: BAliBASE, SABmark, SMART and a new benchmark, PREFAB. MUSCLE achieves the highest, or joint highest, rank in accuracy on each of these sets. Without refinement, MUSCLE achieves average accuracy statistically indistinguishable from T-Coffee and MAFFT, and is the fastest of the tested methods for large numbers of sequences, aligning 5000 sequences of average length 350 in 7 min on a current desktop computer. The MUSCLE program, source code and PREFAB test data are freely available at http://www.drive5. com/muscle.
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              Geneious Basic: An integrated and extendable desktop software platform for the organization and analysis of sequence data

              Summary: The two main functions of bioinformatics are the organization and analysis of biological data using computational resources. Geneious Basic has been designed to be an easy-to-use and flexible desktop software application framework for the organization and analysis of biological data, with a focus on molecular sequences and related data types. It integrates numerous industry-standard discovery analysis tools, with interactive visualizations to generate publication-ready images. One key contribution to researchers in the life sciences is the Geneious public application programming interface (API) that affords the ability to leverage the existing framework of the Geneious Basic software platform for virtually unlimited extension and customization. The result is an increase in the speed and quality of development of computation tools for the life sciences, due to the functionality and graphical user interface available to the developer through the public API. Geneious Basic represents an ideal platform for the bioinformatics community to leverage existing components and to integrate their own specific requirements for the discovery, analysis and visualization of biological data. Availability and implementation: Binaries and public API freely available for download at http://www.geneious.com/basic, implemented in Java and supported on Linux, Apple OSX and MS Windows. The software is also available from the Bio-Linux package repository at http://nebc.nerc.ac.uk/news/geneiousonbl. Contact: peter@biomatters.com
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                Author and article information

                Journal
                ni
                Neotropical Ichthyology
                Neotrop. ichthyol.
                Sociedade Brasileira de Ictiologia (Maringá, PR, Brazil )
                1679-6225
                1982-0224
                2023
                : 21
                : 1
                : e220083
                Affiliations
                [1] Rio de Janeiro Rio de Janeiro orgnameUniversidade Federal do Rio de Janeiro orgdiv1Museu Nacional orgdiv2Programa de Pós-Graduação em Ciências Biológicas Brazil edu.mejia@ 123456ufrj.br
                Article
                S1679-62252023000100212 S1679-6225(23)02100100212
                10.1590/1982-0224-2022-0083
                180eb5ac-5a8b-4076-9fab-d65835fb7bf8

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 22 February 2023
                : 23 August 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 30, Pages: 0
                Product

                SciELO Brazil

                Categories
                Original Article

                Suckermouth armored catfishes,Integrative taxonomy,Cascudos,Códigos de barra de DNA,Loricariinae,Peixes de água doce,Taxonomia integrativa,DNA barcode,Freshwater fishes

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