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SM ISO690:2012 BALAN, Ion. Aspecte membrano-structurale în păstrarea
biodiversităţii prin crioconservare
. In: Studia Universitatis Moldaviae (Seria Ştiinţe Reale şi ale Naturii), 2012, nr. 1(51), pp. 101-105. ISSN 1814-3237. |
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Studia Universitatis Moldaviae (Seria Ştiinţe Reale şi ale Naturii) | ||||||
Numărul 1(51) / 2012 / ISSN 1814-3237 /ISSNe 1857-498X | ||||||
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Pag. 101-105 | ||||||
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Preserving organism biodiversity is possible by genepool cryoconservation, which is followed by fundamental
researches to elucidate the mechanism of cryodestruction and cryoprotection in different level of organization of biological
objects, including in the spermatozoa’s membrane structures. First, at lipids level, which are essential and integral components
of membrane and perform important functions in the viability of biological objects – energy source, biological
active substance.
Our reserches focused on determining of lipids in rooster and boar spermatozoa membrane in cryoconservation
process.
The results have elucidated lipid spectrum in rooster and boar spermatozoa plasma membrane in cryoconsevation
process. Experimentally was established a significant decrease of the cholesterol:phospholipids proportion value in the
freezing-defrosting process of the rooster sperm. It was ascertained that increase of the cholesterol:phospholipids
proportion in the cryoconservation process of boar sperm is predeterminated by the cholesterol and phospholipids
interactions of the synthetic mediums and structurals elements of the plasma membrane. |
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