Results 21 to 30 of about 7,864 (187)

Acoel flatworms are not Platyhelminthes: evidence from phylogenomics [PDF]

open access: yes, 2007
Acoel flatworms are small marine worms traditionally considered to belong to the phylum Platyhelminthes. However, molecular phylogenetic analyses suggest that acoels are not members of Platyhelminthes, but are rather extant members of the earliest ...
Baguñà Monjo, Jaume   +9 more
core   +2 more sources

Why study sleep in flatworms?

open access: yes, 2023
The behaviors that characterize sleep have been observed across a broad range of different species. While much attention has been placed on vertebrates (mostly mammals and birds), the grand diversity of invertebrates has gone largely unexplored. Here, we
Shauni Omond (9491258)   +1 more
core   +1 more source

A phylogenomic approach to resolving interrelationships of polyclad flatworms, with implications for life-history evolution

open access: yesRoyal Society Open Science, 2023
Platyhelminthes (flatworms) are a diverse invertebrate phylum useful for exploring life-history evolution. Within Platyhelminthes, only two clades develop through a larval stage: free-living polyclads and parasitic neodermatans.
Jessica A. Goodheart   +4 more
doaj   +1 more source

Accelerated microfluidic native chemical ligation at difficult amino acids toward cyclic peptides

open access: yesNature Communications, 2018
Flow-based peptide synthesis is a well-established method, yet difficult to combine with native chemical ligation (NCL), the go-to method for peptide cyclization. Here, the authors developed a microfluidic procedure for peptide cyclization within minutes,
Nathalie Ollivier   +5 more
doaj   +1 more source

Characterization of Schistosome Sox Genes and Identification of a Flatworm Class of Sox Regulators

open access: yesPathogens, 2023
Schistosome helminths infect over 200 million people across 78 countries and are responsible for nearly 300,000 deaths annually. However, our understanding of basic genetic pathways crucial for schistosome development is limited.
Stephanie Wood   +5 more
doaj   +1 more source

The Life Cycle of the Acropora Coral-Eating Flatworm (AEFW), Prosthiostomum acroporae; The Influence of Temperature and Management Guidelines

open access: yesFrontiers in Marine Science, 2019
As coral aquaculture is increasing around the world for reef restoration and trade, mitigating the impact of coral predators, pathogens and parasites is necessary for optimal growth.
Jonathan A. Barton   +12 more
doaj   +1 more source

New species of Polycystididae (Platyhelminthes: Kalyptorhynchia) from Cuba and the Pacific coast of Panama

open access: yesEuropean Journal of Taxonomy, 2023
Four new species of marine polycystidid microturbellarians (Platyhelminthes, Kalyptorhynchia) are described from Cuba and Panama. These species are Brachyrhynchoides ortizi sp. nov., Djeziraia adriani sp. nov., Phonorhynchoides lalanai sp.
Yander L. Diez   +3 more
doaj   +1 more source

A SIMPLE TECHNIQUE FOR STAINING OF PLATYHELMINTHS WITH THE LACTOPHNOL COTTON BLUE STAIN [PDF]

open access: yesJournal of the Egyptian Society of Parasitology, 2013
This paper describes a simple technique for staining of flatworms using lactophenol cotton blue (LPCB). The staining was tested on 2 trematode species: Heterophyes heterophyes and Mesostephanus appendiculatus, and one cestode: Diplopylidium acanthotetra,
OSAMA EL-AZAZY, ADAWIA HENEDI
doaj   +1 more source

Fossil constraints on the origin and evolution of Platyhelminthes are surprisingly concordant with modern molecular phylogenies [PDF]

open access: yesZoologia (Curitiba)
Trace fossils preserved with fossil worm-shaped remains suggest the presence of free-living flatworms during the Ordovician at the latest and their occurrence in terrestrial environments during the Permian.
Kenneth De Baets   +7 more
doaj   +1 more source

Computational analysis of spliced leader trans-splicing in the regenerative flatworm Macrostomum lignano reveals its prevalence in conserved and stem cell related genes

open access: yesВавиловский журнал генетики и селекции, 2021
In eukaryotes, trans-splicing is a process of nuclear pre-mRNA maturation where two different RNA molecules are joined together by the spliceosomal machinery utilizing mechanisms similar to cis-splicing.
K. V. Ustyantsev, E. V. Berezikov
doaj   +1 more source

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