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Systematic of Rhinebothrium Linton, 1890 and composition of Rhinebothriidae Euzet, 1953 (Platyhelminthes: Cestoda)

Grant number: 17/11063-4
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): August 01, 2017
Effective date (End): May 28, 2021
Field of knowledge:Biological Sciences - Zoology - Taxonomy of Recent Groups
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Daniel José Galafasse Lahr
Grantee:Bruna Trevisan Souza Szucko
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):19/01453-5 - Increasing taxonomic representation of rhinebothriids to improve their phylogenetic analysis and its morphological circumscription, BE.EP.DR

Abstract

In recent years, the class Cestoda has undergone considerable changes, mainly on the supra-generic categories. This restructuring was largely due to the contribution of new insights into the phylogenetic relationships of taxa based on molecular data. However, there are still numerous taxa that need revision, for example the family Rhinebothriidae Euzet, 1953. This family was recently attributed to the newly erected order Rhinebothriidea Healy, Caira, Jensen, Webster & Littlewood, 2009. But, the internal phylogenetic relationships of the family Rhinebothriidae are still poorly known, especially with respect to the apparent polyphyly of its type genus, Rhinebothrium Linton, 1890. The polyphyly of Rhinebothrium may be result of the low representativeness of species included in previous phylogenetic studies and/or the validity of species assigned to the genus. In addition, previous phylogenetic studies were based only on two molecular markers (18S and 28S ribosomal DNA), which limits the testing power of earlier hypotheses and species delimitations. On the other hand, recent technological advances (e.g., next generation sequencing, NGS) provide possibilities to obtain vast amounts of molecular data labor- and cost efficiently, allowing a more rigorous testing of existing and proposing of more robust hypotheses. Thus, the present proposal aims to provide a robust phylogenetic hypothesis for members of the Rhinebothriidae through an unprecedented number of samples and integrating NGS data, with a particular focus on the circumscription and diversity of Rhinebothrium. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TREVISAN, BRUNA; JACOB MACHADO, DENIS; LAHR, DANIEL J. G.; MARQUES, FERNANDO P. L. omparative Characterization of Mitogenomes From Five Orders of Cestodes (Eucestoda: Tapeworms. FRONTIERS IN GENETICS, v. 12, DEC 22 2021. Web of Science Citations: 0.
SANTOS, JESSICA VIEIRA; MARQUES, FERNANDO P. L.; TREVISAN, BRUNA. THE FIRST REPORT AND DESCRIPTION OF A NEW SPECIES OF RHINEBOTHRIUM FROM A DASYATID STINGRAY FROM THE BRAZILIAN NORTHEASTERN COAST WITH A REVIEW OF THE DISTRIBUTION OF THE GENUS THROUGHOUT ENDEMIC MARINE ECOREGIONS. Journal of Parasitology, v. 106, n. 6, p. 809-817, DEC 2020. Web of Science Citations: 0.
TREVISAN, BRUNA; CAIRA, JANINE N. THREE NEW SPECIES OF RHINEBOTHRIUM (CESTODA: RHINEBOTHRIIDEA) FROM THE LEOPARD WHIPRAY, HIMANTURA LEOPARDA, IN AUSTRALIA. Journal of Parasitology, v. 106, n. 6, p. 789-801, DEC 2020. Web of Science Citations: 1.
TREVISAN, BRUNA; ALCANTARA, DANIEL M. C.; MACHADO, DENIS JACOB; MARQUES, FERNANDO P. L.; LAHR, DANIEL J. G. Genome skimming is a low-cost and robust strategy to assemble complete mitochondrial genomes from ethanol preserved specimens in biodiversity studies. PeerJ, v. 7, SEP 13 2019. Web of Science Citations: 0.

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