Spawning induction, fertilization essays and larval development of the sea urchin Paracentrotus lividus
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چکیده
منابع مشابه
Metallic nickel nanoparticles and their effect on the embryonic development of the sea urchin Paracentrotus lividus.
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Sea urchins have specialized adhesive organs called tube feet, which mediate strong but reversible adhesion. Tube feet are composed by a disc, producing adhesive and de-adhesive secretions for substratum attachment, and a stem for movement. After detachment the secreted adhesive remains bound to the substratum as a footprint. Recently, a label-free quantitative proteomic approach coupled with t...
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Incorporation of uridine in cleavage stage eggs of the sea urchin Paracentrotus lividus was investigated. It was shown by ion exchange and thin layer chromatography that most of the uridine taken up during the 16-cell stage was converted into UTP with some incorporation into UDP and UMP. Conversion of uridine to these phosphorylated nucleosides occurred throughout early cleavage stages. A very ...
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Metallothioneins (MT) are small and cysteine-rich proteins that bind metal ions such as zinc, copper, cadmium, and nickel. In order to shed some light on MT gene structure and evolution, we cloned seven Paracentrotus lividus MT genes, comparing them to Echinodermata and Chordata genes. Moreover, we performed a phylogenetic analysis of 32 MTs from different classes of echinoderms and 13 MTs from...
متن کاملFurther improvements in the sea urchin embryo cryopreservation protocol (Paracentrotus lividus)
Previous studies indicated the existence of some amount of variability in the embryonic development success of cryopreserved sea-urchin (Paracentrotus lividus) embryos. The present work studied the covariation of cryopreservation results fluctuations and reproductive parameters (condition index, CI and oocytes quality) during the reproductive season, in order to verify the hypothesis of the eff...
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ژورنال
عنوان ژورنال: Frontiers in Marine Science
سال: 2018
ISSN: 2296-7745
DOI: 10.3389/conf.fmars.2018.06.00134