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Cladistic analysis of the Dasydytidae family (Gastrotricha: Chaetonotida) and contribution to the increase of gastritric sequences on GenBank genetic database

Grant number: 17/20312-8
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2017
Effective date (End): November 30, 2018
Field of knowledge:Biological Sciences - Zoology - Taxonomy of Recent Groups
Principal researcher:André Rinaldo Senna Garraffoni
Grantee:Axell Kou Minowa
Home Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:14/23856-0 - Phylogenetic reconstruction of Gastrotricha based on molecular and morphological data, AP.BTA.JP

Abstract

Gastrotricha is a phylum of aquatic microinvertebrates commonly found in freshwater and marine environments around the world. Despite being abundant, this taxon is not very well known, possibly by its diminutive size and fragility of their bodies. The great majority of the gastrotrics present benthic lifestyle, whether associated with the sediment or the periphyton. The exception to this habit is seen in specimens of the family Dasydytidae, a group that contains rare organisms that developed the semi-planktonic lifestyle. Despite the fewphylogenetic studies, the most accepted hypothesis is that the taxon is monophyletic. However, the relations of relatives between the seven genera Dasydytidae, and their respective monophyly, have been practically never tested under a phylogenetic bias. Thus, the objective of the present study is to elucidate the phylogenetic relationship of the 32 Dasydytidae based on morphological data, besides testing the monophyly of the 7 genera.In addition, it is intended to carry out collections in new locations, to formally describe the Dasydytidae morphotype previously discovered (FAPESP Process Nº 2015 / 25066-0) and sequencing the mitochondrial genes COI and the ribosomal 18S and 28S of this new morphotype as well as the newly described species Haltydites pseudosquamatus Minowa & Garraffoni, 2017. (AU)

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Scientific publications
(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)
MINOWA, AXELL K.; GARRAFFONI, ANDRE R. S. Redescription of the dasydytid gastrotrich Haltidytes ooeides (Brunson, 1950) based on type material. ZOOKEYS, n. 785, p. 41-48, SEP 19 2018. Web of Science Citations: 0.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.