نتایج جستجو برای: immature embryo
تعداد نتایج: 93588 فیلتر نتایج به سال:
Background: This study was conducted in order to determine whether BCB staining performed on immature bovine oocytes to assess G6pdhlevel has an impact on ivf/ivp technology in bovine embryos. Both spermatozoa and oocytes metabolize glucose through the pentose phosphate pathway (PPP), and NADPH appears necessary for gamete fusion. Activity of glucose 6-phosphate dehydrogenase (G6PDH), the key e...
Citrus rootstock breeding is important to improve their resistance diseases, pests and adverse environmental conditions. The majority of citrus species have nuceller embryony. Although Clementine mandarin monoembryonic, in some cases (intercrossing etc.) abortive seed formation can be seen frequently. In this study, × Carrizo citrange were crossed. the interspecies hybridization (Citrus Ponciru...
Sorghum is a wonder crop from physiological point of view. It is the most important cereal crop, after rice and wheat. The number of reports describing the use of transgenic Sorghum for basic studies in Biotechnology is still limited when compared to other crops. In one hand, the success of the transformation techniques is mainly dependent upon the availability of optimal protocols for highly ...
Objective In vitro maturation (IVM) is an artificial reproductive technology in which immature oocytes are harvested from the ovaries and subsequently matured in vitro. IVM does not require ovarian hyperstimulation and thus the risk of ovarian hyperstimulation syndrome (OHSS) is avoided. In this multicenter prospective cohort study we assessed the live birth rate per initiated in vitro maturati...
This report presents the initial results of our study of the immature kernel stage of 150 defective kernel maize mutants. They are single gene, recessive mutants that map throughout the genome, defective in both endosperm and embryo development and, for the most part, lethal (Neuffer and Sheridan 1980). All can be distinguished on immature ears, and 85% of them reveal a mutant phenotype within ...
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