نتایج جستجو برای: pinctada radiata
تعداد نتایج: 4520 فیلتر نتایج به سال:
در این تحقیق اثر شوریهای مختلف بر روی رشد صدفچه مرواریدساز محار (Pinctada radiata) مورد مطالعه قرار گرفت. صدفچه ها از محیط طبیعی بوسیله جمعآورهای احداثی در اطراف جزیره هندورابی واقع درخلیج فارس در شهریور 1393 جمع آوری شدند . سپس بر اساس 5 تیمار از شوریهای مختلف 25، 30، 35، 40 و 45 قسمت در هزار با ریزجلبک (Isochrysis aff galbana) با محیط کشتF/2 کشت داده شدند. صدفچهها در محیط آزمایشگاهی پس...
Integrated multitrophic aquaculture (IMTA) is an innovative mariculture methodology that reduces the environmental footprint and increases profitability of farm. It combines cultivation species belonging to different trophic levels, simulating a natural food web. In this study, five Mediterranean were co-cultured in three operating fish farms Aegean (E. Mediterranean) Sea with conditions. The c...
Pteriid oysters (Pinctada maxima, Pinctada margaritifera, Pinctada albina, Pteria penguin), rock oysters (Saccostrea glomerata, Saccostrea cuccullata, Saccostrea echinata) and representatives of other taxa (Malleidae, Isognomonidae, Pinnidae, Mytilidae, Spondylidae, Arcidae) from the wild, and 4670 hatchery-reared P. maxima, from northern and Western Australia, were examined for parasites and d...
This Collective article reports 17 introduced species and 22 new locations for these in the Mediterranean Sea. The are from three different Marine Strategy Framework Directive (MSFD) subregions (Aegean-Levantine Sea, Adriatic Sea Western Sea) of Marmara cover ten countries. goal consistent detailed reporting is to complement existing inventories serve as a basis establishing monitoring strategi...
Age validation is the first step to determine shellfish species age determination. This information is vital for different inferential models used in marine ecosystem management activities. In spite that various validation techniques are used for marking carbon calcium structures, the calcein marking technique for oysters had never been used for age validation in Pinctada mazatlanica. Thus the ...
Fine structures of the zona radiata in zebrafish, Danio rerio, is examined and compared. The zona radiata (called as zona pellucid in mammals), is a porous structure located between oolemma and follicle cell epithelium in fish, has various functions. The zona radiata is an inner connection surface that regulates essential transition from follicle cells to oocytes and from oocytes to follicular ...
We reported pearl oyster Pinctada fucata cDNA and genomic characterization of a new homeobox-containing protein, PfMSX. The PfMSX gene encodes a transcription factor that was localized to the nucleus. Analyses of PfMSX mRNA in tissues and developmental stages showed high expressions in mantle or D-shaped larvae. In electrophoretic mobility shift assays (EMSAs) PfMSX binded to MSX consensus bind...
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