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ASEXUAL REPRODUCTION IN AMAROUCIUM YAMAZII (A COLONIAL ASCIDIAN)

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Asexual Propagation and Regeneration in Colonial Ascidians

The Biological Bulletin, 2011
Regeneration is widely distributed among the metazoans. However, clear differences exist as to the degree of regenerative capacity: some phyla can only replace missing body parts, whereas others can generate entirely new individuals. Ascidians are animals that possess a remarkable regenerative plasticity and exhibit a great diversity of mechanisms for ...
Ulrich Kürn   +3 more
semanticscholar   +4 more sources

Allogeneic distinction in Botryllus primigenus and in other colonial ascidians.

Advances in Experimental Medicine and Biology, 1975
Certain species of colonial ascidians have colony specificity or the ability to distinguish self colonies from not-self colonies within the same species. In Botryllus primigenus, when a colony recognizes another as belonging to the self strain, both colonies fuse with each other to form one colony (designated as “fusion”).
K. Tanaka
semanticscholar   +3 more sources

Ascidians as Bioresources: An Anti-inflammatory Activity of Colonial Ascidians Eudistoma ovatum and Didemnum perlucidum

, 2021
Carrageenan-induced rat paw edema is a prominent inflammatory model to evaluate the anti-inflammatory effect of compounds of biological origin. In animals pretreated with Eudistoma ovatum (EO) and Didemnum perlucidum (DP) drugs, there was significant and
Kaleem J Khan, L. Praba, H. Ali
semanticscholar   +1 more source

Seasonal distribution of solitary and colonial benthic ascidians (Chordata) with ecological gradients in and around Andaman and Nicobar Islands, India

Marine Ecology, 2023
Ascidians are rapidly emerging biofouling organisms that generally occur on the natural and artificial substratum of the marine environment. However, very few studies have been reported on their species diversity and distribution patterns.
R. Murugan   +4 more
semanticscholar   +1 more source

Biogeography and host-specificity of cyanobacterial symbionts in colonial ascidians of the genus Lissoclinum

Systematics and Biodiversity, 2020
Ascidians are known to harbour bacterial symbionts in their tunics. In particular, the ascidian genus Lissoclinum can host abundant and diverse cyanobacterial associates.
Mirielle Lopez-Guzman   +3 more
semanticscholar   +1 more source

Parallel plications may enhance surface function: physical properties of transparent tunics in colonial ascidians Clavelina cyclus and C. obesa

Journal of the Marine Biological Association of the United Kingdom, 2019
An array of nano-scale protrusions, called the nipple array, is found on the body surface of various invertebrates, and this structure is believed to decrease light reflectance and water wettability on the surface in the terrestrial environment. However,
Daisuke Sakai   +4 more
semanticscholar   +1 more source

Continuous development precludes radioprotection in a colonial ascidian

Developmental & Comparative Immunology, 2004
Colonial organisms provide a unique experimental system for stem cell biology. The colonial Urochordate Botryllus schlosseri reproduces sexually as well as by continuous asexual budding. Adjacent colonies with a shared histocompatibility allele undergo vascular fusion and establish a common blood circulation, performing natural transplantation.
Diana J, Laird, Irving L, Weissman
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Light induced larval release of a colonial ascidian

Journal of Experimental Marine Biology and Ecology, 2000
Larval release and photobehavior were studied in the colonial ascidian Polyandrocarpa zorritensis. The test hypothesis was that if larval release is induced by light, then larvae should be attracted to settlement areas where light is sufficient for larval release. Light induced larval release but the time course varied with light intensity.
Forward Jr., Richard B.   +2 more
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Stress granule related‐genes during blastogenetic cycle of two colonial ascidians: Botryllus schlosseri compared to Botryllus primigenus

Developmental Dynamics
Colonial ascidians are chordates known to reproduce both sexually and asexually. In the present study, we used the Mediterranean species Botryllus schlosseri and the Japanese Botryllus primigenus to investigate the possible role of tiar, ttp, and g3bp in
L. Drago   +3 more
semanticscholar   +1 more source

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