Int J Parasitol Parasites Wildl
Key Laboratory of Molecular Cell Biology, Ministry of Education of the People's Republic of China; Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center of Eco-environment; College of Life Sciences, Hebei Normal University, 050024, Shijiazhuang, Hebei Province, PR China.
Published: August 2022
Human acanthocephaliasis is a rare parasitic zoonosis mainly caused by acanthocephalans belonging to the genera , , , , and . In the present paper, the juveniles of Yamaguti, 1939 collected from the northern fur seal (Linnaeus) (Mammalia: Carnivora) in Alaska, USA were precisely identified based on morphological characters and genetic data. Their detailed morphology was studied using light and, for the first time, scanning electron microscopy. The molecular characterization of the nuclear genes [small ribosomal subunit (18S) and large ribosomal subunit (28S)] and the mitochondrial cytochrome oxidase subunit 1 (1) sequence data of are provided for the first time. Moreover, in order to clarify the phylogenetic relationships of the genus and the other genera in the family Polymorphidae, phylogenetic analyses were performed integrating different nuclear (18S + ITS+28S) and mitochondrial (1) sequence data using maximum likelihood (ML) and Bayesian inference (BI). The phylogenetic results showed that has a sister relationship with , and also revealed that is sister to + . Our molecular phylogeny also indicated a possible host-switch pattern during the evolution of the polymorphid acanthocephalans. The ancestors of polymorphid acanthocephalans seem to have originally parasitized fish-eating waterfowl in continental habitats, then extended to fish-eating marine birds in brackish water and marine habitats, and finally, opportunistically infected the marine mammals.
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http://dx.doi.org/10.1016/j.ijppaw.2022.06.003 | DOI Listing |
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Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
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School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA.
Cellular forces regulate an untold spectrum of living processes, such as cell migration, gene expression, and ion conduction. However, a quantitative description of mechanical control remains elusive due to the lack of general, live-cell tools to measure discrete forces between biomolecules. Here we introduce a computational pipeline for force measurement that leverages well-defined, tunable release of a mechanically activated small molecule fluorophore.
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Department of Computer and Information Sciences, Northumbria University, Newcastle, NE1 8ST, UK.
The Misbalance Rodeg () index stands out among the 148 discrete Adriatic indices demonstrating considerable predictive capabilities in evaluations carried out by the International Academy of Mathematical Chemistry. This index excels particularly in forecasting both the enthalpy and the standard enthalpy of vaporization for octane isomers. Despite its significant chemical applicability, the index has not been extensively explored in the literature.
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