Results 51 to 60 of about 2,429 (200)

Cteno‐Bot: An Untethered Metachronally Swimming Robot With Magnetoactive Propulsors

open access: yesAdvanced Intelligent Systems, EarlyView.
We present Cteno‐bot, an untethered ctenophore‐inspired robot which swims using metachronally coordinated appendages. A single mechanism controls up to 216 magnetoactive propulsors via a dynamically varying magnetic field. We show that the swimming speed of the robot can be increased without a corresponding increase in power requirement, simply by ...
David J. Peterman, Margaret L. Byron
wiley   +1 more source

Role of SoxE transcription factors in development and disease

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Sox8, Sox9, and Sox10 arose by multiple rounds of genome duplications from a single SoxE gene in ancestral vertebrates. In this review, we will briefly discuss the molecular structure and function of SoxE transcription factors and their evolutionary origin. We will then discuss their expression, function, and developmental disorders.
Merin Lawrence, Gerhard Schlosser
wiley   +1 more source

Not All Ctenophores Are Bioluminescent: Pleurobrachia

open access: yesThe Biological Bulletin, 1995
The traditional view has been that all species of the phylum Ctenophora are capable of producing light. Our inability to elicit luminescence from members of the well-known genus Pleurobrachia, as well as a lack of published documentation, led to an effort to determine whether this genus is truly bioluminescent.
Haddock, Steven H. D. (Steven Harold David),‏ ‎   +1 more
openaire   +4 more sources

Pelagic ctenophores from the São Sebastião Channel, southeastern Brazil

open access: yes, 2006
Oliveira, Otto M. P., Migotto, Alvaro E. (2006): Pelagic ctenophores from the São Sebastião Channel, southeastern Brazil.
Oliveira, Otto M. P., Migotto, Alvaro E.
core   +1 more source

Cambrian comb jellies from Utah illuminate the early evolution of nervous and sensory systems in ctenophores - Phylogenetic dataset

open access: yes, 2021
Ctenophores are a group of predatory macroinvertebrates whose controversial phylogenetic position has prompted several competing hypotheses regarding the evolution of animal organ systems.
Weaver, James   +3 more
core   +1 more source

From the sea to DNA barcode: Optimized preservation method for gelatinous zooplankton integrative taxonomy

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Assigning taxonomic identity and thus assessing taxonomic diversity in gelatinous zooplankton is challenging due to their fragility and difficult preservation. Formalin fixation compromises DNA integrity, while flash‐freezing, ethanol, and acetone preservation affect morphological features. In this study, we developed a methodological protocol
Claudia Traboni   +4 more
wiley   +1 more source

Antipredatory Escape Behaviors of Two Benthic Ctenophores in South Florida

open access: yes, 2018
Benthic ctenophores, members of the family Coeloplanidae (Order Platyctenida, Phylum Ctenophora) are more widespread and abundant in tropical and subtropical marine environments than formerly recognized.
Nicolas Martinez   +14 more
core   +1 more source

Phylogenetic Analyses of Sites in Different Protein Structural Environments Result in Distinct Placements of the Metazoan Root

open access: yesBiology, 2020
Phylogenomics, the use of large datasets to examine phylogeny, has revolutionized the study of evolutionary relationships. However, genome-scale data have not been able to resolve all relationships in the tree of life; this could reflect, at least in ...
Akanksha Pandey, Edward L. Braun
doaj   +1 more source

Speciation of pelagic zooplankton: Invisible boundaries can drive isolation of oceanic ctenophores

open access: yesFrontiers in Genetics, 2022
The study of evolution and speciation in non-model systems provides us with an opportunity to expand our understanding of biodiversity in nature. Connectivity studies generally focus on species with obvious boundaries to gene flow, but in open-ocean ...
Shannon B. Johnson   +9 more
doaj   +1 more source

Concurrent tunable structural color, luminescence, and afterglow in single ZnS: X@SiO2 spheres via SiO2‐nanoarmor and calcination decoupling collaborative strategy

open access: yesSmart Molecules, EarlyView.
For the first time, tunable structural color, luminescence, and afterglow are integrated into single ZnS:X@SiO2 spheres via a SiO2‐nanoarmor and calcination decoupling strategy, achieving 250–410 nm monodisperse wurtzite spheres with 91% phase conversion, 12.8% PLQY, and 12.27 s afterglow. Abstract The integration of structural color, photoluminescence,
Tianyi Liu   +3 more
wiley   +1 more source

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