Expression of the Reproductive Female-Specific Vitellogenin Gene in Endocrinologically Induced Male and Intersex Cherax quadricarinatus Crayfish1
نویسندگان
چکیده
منابع مشابه
Vitellogenin levels in hemolymph, ovary and hepatopancreas of the freshwater crayfish Cherax quadricarinatus (Decapoda: Parastacidae) during the reproductive cycle.
The freshwater crayfish Cherax quadricarinatus is a tropical species of great interest for aquaculture. Vitellogenin (Vg), a lipoprotein precursor of the vitellum accumulated in spawned eggs, can be synthesized in the ovary and/or hepatopancreas of most crustaceans, being the hemolymph the way for transporting Vg throughout the reproductive cycle. Concentration of Vg in hemolymph, ovary and hep...
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15 صفحه اولSex determination in crayfish: are intersex Cherax quadricarinatus (Decapoda, Parastacidae) genetically females?
In the Australian red-claw crayfish Cherax quadricarinatus (von Martens) (Decapoda, Parastacidae), a gonochoristic species, seven different combinations of intersex individuals (with both male and female genital openings) have been described. However, to date, the genetic basis for this phenomenon has not been investigated. This study was designed to test a simple chromosome-based sex-determina...
متن کاملCircadian oscillations of RPCH gene expression in the eyestalk of the crayfish Cherax quadricarinatus.
The RPCH and beta-actin cDNAs from the crayfish Cherax quadricarinatus were amplified, cloned and sequenced. The primary structure sequences of these cDNAs were compared to other members of the AKH/RPCH family. Fluctuations in the amount of the C. quadricarinatus RPCH and beta-actin mRNAs, as cDNAs, were quantified every 3h by RT-PCR. Single cosinor analysis supports the notion of beta-actin an...
متن کاملStructural characterization of the N-glycan moiety and site of glycosylation in vitellogenin from the decapod crustacean Cherax quadricarinatus.
Glycosylation is of importance for the structure and function of proteins. In the case of vitellin (Vt), a ubiquitous protein accumulated into granules as the main yolk protein constituent of oocytes during oogenesis, glycosylation could be of importantance for the folding, processing and transport of the protein to the yolk and also provides a source of carbohydrate during embryogenesis. Vt fr...
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ژورنال
عنوان ژورنال: Biology of Reproduction
سال: 2005
ISSN: 0006-3363,1529-7268
DOI: 10.1095/biolreprod.104.038554