Results 41 to 50 of about 4,565 (205)

Spatial transcriptomics reveals a cnidarian segment polarity program in Nematostella vectensis.

open access: yesCurrent Biology, 2023
During early animal evolution, the emergence of axially polarized segments was central to the diversification of complex bilaterian body plans. Nevertheless, precisely how and when segment polarity pathways arose remains obscure. Here, we demonstrate the
Shuonan He   +4 more
semanticscholar   +1 more source

The methyltransferase HEN1 is required in Nematostella vectensis for microRNA and piRNA stability as well as larval metamorphosis. [PDF]

open access: yesPLoS Genetics, 2018
Small non-coding RNAs (sRNAs) such as microRNAs (miRNAs), small interfering RNAs (siRNAs) and piwi-interacting RNAs (piRNAs) regulate the levels of endogenous, viral and transposable element RNA in plants (excluding piRNAs) and animals.
Vengamanaidu Modepalli   +3 more
doaj   +1 more source

An adult stem-like cell population generates germline and neurons in the sea anemone Nematostella vectensis

open access: yesbioRxiv, 2023
Most genetic research animals (e.g., vertebrates, insects, nematodes) segregate germline and soma during early embryogenesis. In contrast, some highly regenerative bilaterian (e.g., planarians) and non-bilaterian animals (e.g., hydrozoan cnidarians ...
Paula Miramón-Puértolas   +1 more
semanticscholar   +1 more source

Nonribosomal Peptide Synthesis in Animals: The Cyclodipeptide Synthase of Nematostella

open access: yesChemistry & Biology, 2011
Cyclodipeptide synthases (CDPSs) are small enzymes structurally related to class-I aminoacyl-tRNA synthetases (aaRSs). They divert aminoacylated tRNAs from their canonical role in ribosomal protein synthesis, for cyclodipeptide formation. All the CDPSs experimentally characterized to date are bacterial.
Seguin, Jérôme   +8 more
openaire   +3 more sources

Parental exposure to ocean acidification impacts gamete production and physiology but not offspring performance in Nematostella vectensis

open access: yesBiology Open, 2023
Ocean acidification (OA) resulting from anthropogenic CO2 emissions is impairing the reproduction of marine organisms. While parental exposure to OA can protect offspring via carryover effects, this phenomenon is poorly understood in many marine ...
Benjamin H. Glass   +4 more
semanticscholar   +1 more source

Identification and in vivo characterization of NvFP-7R, a developmentally regulated red fluorescent protein of Nematostella vectensis.

open access: yesPLoS ONE, 2010
BackgroundIn recent years, the sea anemone Nematostella vectensis has emerged as a critical model organism for comparative genomics and developmental biology. Although Nematostella is a member of the anthozoan cnidarians (known for producing an abundance
Aissam Ikmi, Matthew C Gibson
doaj   +1 more source

Dynamics of venom composition across a complex life cycle

open access: yeseLife, 2018
Little is known about venom in young developmental stages of animals. The appearance of toxins and stinging cells during early embryonic stages in the sea anemone Nematostella vectensis suggests that venom is already expressed in eggs and larvae of this ...
Yaara Y Columbus-Shenkar   +7 more
doaj   +1 more source

Histone demethylase Lsd1 is required for the differentiation of neural cells in Nematostella vectensis

open access: yesNature Communications, 2022
The evolutionary point where chromatin modifier function integrated into regulation of specific cell types is unclear. In the cnidarian Nematostella vectensis, the authors here show that lysine specific demethylase Lsd1 is developmentally regulated and ...
James M. Gahan   +4 more
doaj   +1 more source

Early evolution of the LIM homeobox gene family

open access: yesBMC Biology, 2010
Background LIM homeobox (Lhx) transcription factors are unique to the animal lineage and have patterning roles during embryonic development in flies, nematodes and vertebrates, with a conserved role in specifying neuronal identity.
Degnan Bernard M   +6 more
doaj   +1 more source

Cnidarian-bilaterian comparison reveals the ancestral regulatory logic of the β-catenin dependent axial patterning

open access: yesNature Communications, 2021
The authors show in Nematostella that the more orally expressed β-catenin targets repress the more aborally expressed β-catenin targets, thus patterning the oral-aboral axis.
Tatiana Lebedeva   +9 more
doaj   +1 more source

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