Results 81 to 90 of about 418 (144)

Benthic communities on recent and historical volcanic lava flows of an oceanic island. [PDF]

open access: yesPLoS One
Ugena A   +5 more
europepmc   +1 more source

Cytological changes during bioluminescence production in dissociated photocytes from the ophiuroid Amphipholis squamata (Echinodermata)

open access: yes, 2000
Bioluminescence in the ophiuroid Amphipholis squamata is produced by photocytes located within the spinal ganglia of arm spines. Ganglionic cells were dissociated (pronase digestion) and photocytes separated from other cell types by using a continuous ...
Jangoux, M., Deheyn, D., Mallefet, J.
core  

Involvement of cyclic nucleotides and IP3 in the regulation of luminescence in the brittlestar Amphipholis squamata (Echinodermata)

open access: yes, 2000
We investigated the effects of cyclic nucleotides (cGMP, cAMP) and the phosphoinositide IP3 on the luminescence of the ophiuroid Amphipholis squamata. The cGMP analogue, dibutyryl-cGMP, and the guanylate cyclase activator, sodium nitroprusside, had no ...
De Bremaeker, N.   +3 more
core  

Morphological, physiological and genetic variability of the ophiuroid Amphipholis squamata from the lagoon system of Oliveri-Tindari (Sicily)

open access: yes, 2001
Amphipholis squamata is considered to be the only echinoderm distributed worldwide, excepted in polar regions. This vast distribution area contrasts with a low dispersal potential due to the lack of a pelagic larval stage and an aggregative spatial ...
Féral, J.-P.   +3 more
core  

Biogeographic variation in the diet of juvenile blacktip sharks across the Galapagos Archipelago. [PDF]

open access: yesSci Rep
Ryburn SJ   +7 more
europepmc   +1 more source

Sphaerodorum ophiurophoretos n. sp., une nouvelle éspece de Sphaerodoridae (Annelida, Polychaeta) commensal sur Amphipholis squamata (Echinodermata, Ophiuridae)

open access: yes, 1988
5 Páginas, 3 Figuras[EN]A new species of sphaerodorid polychaete. Sphaerodorum ophiurophurctos nov. sp., is described. Il is characterized by two rows of dorsolateral macrocrotubercles with terminal papillae and two rows of dorsal microtubercles ...
Martin, Daniel, Alvà, Victor
core  

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