Results 11 to 20 of about 13,813 (212)

Selecting 16S rRNA Primers for Microbiome Analysis in a Host–Microbe System: The Case of the Jellyfish Rhopilema nomadica

open access: yesMicroorganisms, 2023
Amplicon sequencing of the 16S rRNA gene is extensively used to characterize bacterial communities, including those living in association with eukaryotic hosts.
Noga Barak   +5 more
doaj   +1 more source

The rising swarms of jellyfish in Indian waters: the environmental drivers, ecological, and socio-economic impacts

open access: yesJournal of Water and Climate Change, 2022
A four-decade data of jellyfish aggregation from 1980 to 2020 were taken to discern whether there has been an actual rise in jellyfish swarm in Indian coastal and estuarine waters.
Alfisa Siddique   +3 more
doaj   +1 more source

Comparative Aspects of Structure and Function of Cnidarian Neuropeptides

open access: yesFrontiers in Endocrinology, 2020
Cnidarians are early-branching animals in the eukaryotic tree of life. The phylum Cnidaria are divided into five classes: Scyphozoa (true jellyfish), Cubozoa (box jellyfish), Hydrozoa (species, Hydra and Hydractinia), Anthozoa (sea anemone, corals, and ...
Toshio Takahashi
doaj   +1 more source

Phylogenetics and Mitogenome Organisation in Black Corals (Anthozoa: Hexacorallia: Antipatharia): An Order-Wide Survey Inferred From Complete Mitochondrial Genomes

open access: yesFrontiers in Marine Science, 2020
Black corals (Anthozoa: Antipatharia) are an ecologically and culturally important group of deep-sea cnidarians. However, as the majority of species inhabit depths >50 m, they are relatively understudied.
Nick J. Barrett   +8 more
doaj   +1 more source

Ordovician conulariid monospecific assemblages (Czech Republic, Morocco) [PDF]

open access: yesEstonian Journal of Earth Sciences, 2023
A recently discovered locality of the Katian age near Erfoud (Morocco) supports an assumption that at least some conulariids lived preferably in monospecific associations.
Jana Bruthansová, Petr Kraft
doaj   +1 more source

Detection of telomeric sequences and ribosomal RNA genes in holokinetic chromosomes of five jumping plant-lice species: First data on the superfamily Psylloidea (Hemiptera: Sternorrhyncha)

open access: yesEuropean Journal of Entomology, 2018
Fluorescence in situ hybridization (FISH) is a technique used to determine the chromosomal position of DNA and RNA probes. The present study contributes to knowledge on jumping plant-lice genomes by using FISH with 18S rDNA and telomeric (TTAGG)n probes ...
Anna MARYAŃSKA-NADACHOWSKA   +3 more
doaj   +1 more source

Coral Venom and Toxins as Protection Against Crown-of-Thorns Sea Star Attack. [PDF]

open access: yesMol Ecol
ABSTRACT Crown‐of‐thorns sea star (CoTS) outbreaks are a main cause of hard coral cover decline across the Indo‐Pacific, posing a major threat to the resilience of coral reefs. However, the drivers underlying CoTS feeding on preferred (e.g., Acropora species) versus non‐preferred (e.g., Porites species) are poorly understood. We hypothesised that coral
Gorman LM   +4 more
europepmc   +2 more sources

Cryopreservation of Hydractinia symbiolongicarpus Sperm to Support Community-Based Repository Development for Preservation of Genetic Resources

open access: yesAnimals, 2022
Hydractinia symbiolongicarpus is an emerging model organism in which cutting-edge genomic tools and resources are being developed for use in a growing number of research fields.
Aidan L. Huene   +6 more
doaj   +1 more source

Evidence for a genetic sex determination in Cnidaria, the Mediterranean red coral (Corallium rubrum) [PDF]

open access: yesRoyal Society Open Science, 2017
Sexual reproduction is widespread among eukaryotes, and the sex-determining processes vary greatly among species. While genetic sex determination (GSD) has been intensively described in bilaterian species, no example has yet been recorded among non ...
M. Pratlong   +9 more
doaj   +1 more source

Reverse development in Cnidaria [PDF]

open access: yesCanadian Journal of Zoology, 2004
Cnidarians have long been considered simple animals in spite of the variety of their complex life cycles and developmental patterns. Several cases of developmental conversion are known, leading to the formation of resting stages or to offspring proliferation. Besides their high regenerative and asexual-reproduction potential, a number of cnidarians can
PIRAINO, Stefano   +4 more
openaire   +2 more sources

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