Results 11 to 20 of about 339,700 (227)

Quantification of Telomerase Activity in Colonial Ascidians

open access: yesThe FASEB Journal, 2016
Colonial ascidians are marine invertebrate chordates that reproduce sexually and asexually, and are also capable of whole body regeneration in response to damage.
M. Durham, Ch. H. Beck, Elena L. Keeling
semanticscholar   +2 more sources

Effects of color variation and physiological state on ascidian microbiomes [PDF]

open access: yesMicrobiologyOpen
Ascidians, known for their color variation, host species‐specific microbial symbiont communities. Some ascidians can also transition into a nonfiltering (resting) physiological state.
Samantha K. Morrison   +2 more
doaj   +2 more sources

Graveyards of Giant Pandas at the Bottom of the Sea? A Strange-Looking New Species of Colonial Ascidians in the Genus Clavelina (Tunicata: Ascidiacea)

open access: yesSpecies Diversity
An unidentified colonial ascidian called gaikotsu-panda-hoya in Japanese, literally meaning ‘skeleton panda ascidian,’ has been attracting SCUBA divers’ attention for the past few years since its strange appearance was introduced on the Internet by a ...
Naohiro Hasegawa, Hiroshi Kajihara
doaj   +2 more sources

Defensive Metabolites from Antarctic Invertebrates: Does Energetic Content Interfere with Feeding Repellence? [PDF]

open access: yesMarine Drugs, 2014
Many bioactive products from benthic invertebrates mediating ecological interactions have proved to reduce predation, but their mechanisms of action, and their molecular identities, are usually unknown.
Laura Núñez-Pons, Conxita Avila
doaj   +4 more sources

Taxonomic identity of Distaplia stylifera (Tunicata, Ascidiacea), a new arrival to the eastern Pacific displaying invasive behavior in the Gulf of California, Mexico [PDF]

open access: yesZooKeys, 2023
A colonial ascidian of the genus Distaplia caused a mass mortality of the pen shell Atrina maura (Sowerby, 1835) during June 2016 in the southwest of the Gulf of California (Mexico), with a significant socio-economic cost.
Betzabé Moreno-Dávila   +7 more
doaj   +4 more sources

Germline cell formation and gonad regeneration in solitary and colonial ascidians [PDF]

open access: yesDevelopmental Dynamics, 2011
AbstractThe morphology of ascidian gonad is very similar among species. The testis consists of variable number of testicular follicles; the ovary consists of ovarian tubes that are thickened forming the germinal epithelium with stem cells for female germ cells with the exception of botryllid ascidians. Peculiar accessory cells that would be germline in
K. Kawamura   +5 more
semanticscholar   +5 more sources

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