unfertilized eggs
The electrical conductivity of fertilized and unfertilized eggs.
... l'emained rather closely applied to the egg-surface; in such cases the resistance of the fertilized eggs was, as in other cases, markedly lower than that of the unfertilized eggs. It was[r] ...
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Differentiating between fertilized and unfertilized eggs prior to incubation based on oxygen flux measurement
... chicken eggs are live specimens, they have not been examined using this technique because of their structural peculiarities and rather large ...chicken eggs and explore the differences in respiration ...
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Artificial activation of mature unfertilized eggs in the malaria vector mosquito, Anopheles stephensi (Diptera, Culicidae)
... mature unfertilized eggs dissected from virgin females of ...these eggs in distilled water. The endochorion of nearly all eggs incubated in distilled water darkened, similar to that of ...
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Mother-Specific Signature in the Maternal Transcriptome Composition of Mature, Unfertilized Zebrafish Eggs
... mature eggs, potential differences between individual eggs are ...zebrafish eggs from clutches of five mothers in which we focus on the differences in maternal mRNA abundance per gene between and ...
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Start of the embryonic cell cycle is dually locked in unfertilized starfish eggs
... in unfertilized starfish eggs arrested at G1 ...starfish eggs? Cyclin B ubiquitylation is performed by APC/C associated either with Cdc20 in M phase or Cdh1 in G1 phase (Peters, ...in ...
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Arrhenotoky and oedipal mating in the northern fowl mite (Ornithonyssus sylviarum) (Acari: Gamasida: Macronyssidae)
... costly reductions in productivity [1,2]. Mite infestations spread quickly through commercial flocks and are diffi- cult to control due to pesticide resistance [1,3]. The sex ratios of NFM populations are female biased ...
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Variations of Immune Parameters in the Early Life Stages and the Female Broodstock of the Cultured Persian Sturgeon, Acipenser persicus (Borodin 1897) and the Sterlet, Acipenser ruthenus (Linnaeus, 1758)
... the unfertilized eggs to 1 MPF) of the Persian sturgeon and the Sterlet could be attributed to the role of this protein in the generation of cells and ...
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Mutational analyses of fs(1)Ya, an essential, developmentally regulated, nuclear envelope protein in Drosophila.
... This suggests that meiotic segregation is normal in Yu‘ unfertilized eggs, but that fusion of the meiotic products is abnormal, occurring too early, before coordination [r] ...
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In vitro fertilization and artificial activation of eggs of the direct-developing anuran Eleutherodactylus coqui
... of eggs of the Puerto Rican coqui frog obtained by hormonally induced ...of eggs, probably in response to mechanical stress during ...all unfertilized eggs obtained by hormone injection ...
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The Metabolism of Fertilized and Unfertilized Sea Urchin Eggs
... This point might be clarified by examining the inhibitory action of HCN on unfertilized eggs in the dark, in the presence of CO, but at a sufficiently low partial pressure to avoid CO in[r] ...
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CAENORHABDITIS ELEGANS FERTILIZATION-DEFECTIVE MUTANTS WITH ABNORMAL SPERM
... Several results show that the mutants described here are defective in fertiliza- tion due to abnormal sperm: (a) they are sterile, but lay unfertilized eggs; (b) they make sperm in n[r] ...
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Maternal Inheritance of Mouse mtDNA in Interspecific Hybrids: Segregation of the Leaked Paternal mtDNA Followed by the Prevention of Subsequent Paternal Leakage
... Mixtures for PCR were set up with a TaKaRa PCR Amplifi- cation Kit recommended by the manufacturer (TaKaRa, To- kyo, Japan) without primer concentration (final concentra- tion was 1 mM). The first round of PCR involved ...
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Expression Patterns of CAPN1 and CAPN8b Genes during Embryogenesis in Xenopus laevis
... fertilized eggs were incubated at 23˚C. Only eggs that turned round with the animal pole on the top were ...(unfertilized eggs), 1 (fer- tilized eggs), 5 (morula, 2 h 45 pf at 23˚C), 8 ...
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Transcription of growth hormone mRNA as a molecular marker of egg quality in Siberian sturgeon (Acipenser baerii)
... Figure 4. GH gene transcription levels. Total RNA was reverse-transcribed and used for quantitative real-time PCR. The relative amount of Siberian sturgeon mRNA GH was normalized to the level of RPL6 from each RNA ...
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The Fertilization Reaction in the Sea Urchin
... The probability of a successful sperm-egg collision was studied by immersing unfertilized eggs in sperm suspensions of known density for known but varying periods of time, ranging from o[r] ...
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Morphologic Evaluation of the Fertilized and Unfertilized Ostrich Egg during the Early Stages of Development (MRI Analysis)
... Figures 3 and 4 show transverse and sagittal images of the fertilized eggs, through the first 18 days of ostrich embryo development. The yolk, albumen, air cell, latebra and the neck of the latebra were similar in ...
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The Effect of Phlorizin on the Metabolism of Cytolysing Sea urchin Eggs
... If a suspension of unfertilized eggs is shaken in a manometer in the presence of saponin, four types of eggs may be recovered: 1 eggs which appear normal though they cannot be fertilized[r] ...
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Scrambled Eggs
... He took a seat on the couch, took her hand and smiled, "Today, my eggs aren't running." Outside, flurries began to fall and the gingerbread houses gleamed with morning luster.[r] ...
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Facultative mobilization of eggshell calcium promotes embryonic growth in an oviparous snake
... Quantitative analysis of layers of the eggshell of P. guttatus confirms microscopic analysis that most of the calcium is associated with the outer layers of fibrous protein (Kohring, 1996; Table 1). Allocation of calcium ...
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Some Biology Features of Pempelia spp (Lepidoptera: Pyralidae): An Insect Pest of Jatropha curcas
... Jatropha curcas L., a biofuel tree, is attacked by several insect pests, including Pempelia spp. (Lepi- doptera: Pyralidae). This insect pest feeds on the stem and the leaves of the plant and can inflict se- vere damage ...
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