WebSep 10, 2024 · Introduction. In fish, female fecundity is tightly linked to the proper completion of oogenesis in the ovary, whereby undifferentiated germinal stem cells undergo meiosis, dramatically increase their size and ultimately form the eggs [].Such an important differentiation process requires interactions between the oocyte and the surrounding … WebJul 1, 2009 · the complexity of oogenesis. Moreover, numerous circulating endocrine and locally-acting paracrine and autocrine factors …
Fishes Free Full-Text The Use of Fish Scale Hormone …
WebJan 8, 2010 · Indeed, Cyp17a1 could participate in the shift from E2 to maturation-inducing steroid production observed in fish and amphibians during late oogenesis [40, 75]. In addition, Cyp17a1 could also participate in the production of androgens that have been evidenced to play important roles during late oogenesis in both amphibians and fish … WebSubcellular localization of lncR26319 by FISH showed that lncR26319 was present in both the nucleus and cytoplasm, ... The expression of yolk family genes in the oogenesis and embryogenesis network of nutrients and structural substances was significantly downregulated, which also resulted in reduced fertility of female moths and failure of ... how do you use a timing light gun
Expression Profiles of Fsh-Regulated Ovarian Genes during …
WebOogenesis—the differentiation of the ovum—differs from spermatogenesis in several ways. Whereas the gamete formed by spermatogenesis is essentially a motile nucleus, the gamete formed by oogenesis contains all the materials needed to initiate and maintain metabolism and development. Therefore, in addition to forming a haploid nucleus, oogenesis also … WebMaternal factors in fish oogenesis and embryonic development. Maternal factors are essential for early animal development, including fish species. The teleost fish Danio … WebDec 16, 2024 · Investigation of the use of fish scales as a medium for non-lethal biomonitoring has recently commenced. Fish scales have been shown to incorporate cortisol over longer periods of time than blood and thus provide a promising means of assessing long-term stress in many species of teleost fish. However, while cortisol is a … how do you use a tile