Mammalian Sperm
Analysis of chemotaxis when the fraction of responsive cells is small application to mammalian sperm guidance
... in sperm cells of marine invertebrates), a large fraction of the cells, often nearly all of them, apparently respond to the chemoattractant gradient (Eisenbach, ...of mammalian sperm chemotaxis, the ...
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Comprehensive profiling of accessible surface glycans of mammalian sperm using a lectin microarray
... the mammalian sperm on the lectin microarray To get the lectin binding profiles of the mammalian ...fixed sperm were labeled with propidine iodide, which is nucleic acid ...labeled ...
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Mammalian sperm metabolism: oxygen and sugar, friend and foe
... rabbit sperm and sperm from other mammals, including human, derives from the mitochondrial capsule selenoprotein, which is a transformed version of phospholipid hydroperoxide glutathione peroxidase (Calvin ...
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Rheotaxis facilitates upstream navigation of mammalian sperm cells
... internally, sperm transport is much more complex and the importance of shear flows relative to chemotaxis, peristaltic pumping, or thermotaxis still poses an open problem as it is difficult to perform ...
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Flagellar ultrastructure suppresses buckling instabilities and enables mammalian sperm navigation in high-viscosity media
... human sperm flagellum ...hyperactivated mammalian sperm [23], which was biochemically regulated within a model assuming a significant varying tensile ...the sperm swimming in high viscous ...
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Preliminary Study: A New Approach for Improving the Cryopreservation of Mammalian Sperm
... of mammalian sperm in vitro are ...—on mammalian cryopreserved sperm pa- ...and sperm is preserved in the oviduct until mating during the active ecophysiological stage in ...reduced ...
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Participation of cysteine rich secretory proteins (CRISP) in mammalian sperm egg interaction
... Although sperm released from the testis are fully differentiated cells, they are not capable of fertilizing an ...fertilize, sperm must undergo several physiological changes during their transit through the ...
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Zinc: A Necessary Ion for Mammalian Sperm
... binding partners in human seminal fluid [62, 63]. Zinc-containing Sperm Proteins 110.. Zinc-containing proteins, commonly known as metalloproteins, are capable of binding one or 111.[r] ...
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Characterization and possible function of glyceraldehyde-3-phosphate dehydrogenase-spermatogenic protein GAPDHS in mammalian sperm
... D-Glyceraldehyde-3-phosphate dehydrogenase (GAPDH, EC 1.2.1.12) is a glycolytic enzyme catalysing oxidative phosphorylation of glyceraldehyde-3-phosphate, yielding 1,3-diphosphoglycerate, which is used by ...
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Recent knowledge concerning mammalian sperm chromatin organization and its potential weaknesses when facing oxidative challenge
... Among histone PTM occurring during spermiogene- sis, simultaneous hyperacetylation and ubiquitinylation seem to play an important role in the histone-PRM ex- change. H2A and H2B ubiquitinylation adds a large chemical ...
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The structure and role of mammalian sperm RNA: a review
... The human TNP1 gene is located on a different chromosome than TNP2, PRM1 and PRM2 which have all been mapped to 16p13.3 (Viguie et al. 1990). The TNP2-PRM1-PRM2 chromosome lo- cus spans 28.5 kb. The specific structure ...
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Mammalian sperm nuclear organization: resiliencies and vulnerabilities
... in sperm chromatin ...(Prms). Sperm DNA-protamine interaction leads in a unique appearance that involves the coiling of sperm DNA into toroidal subunits, also known as “ doughnut loops ” , that ...
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Odorant Receptors and Desensitization Proteins Colocalize in Mammalian Sperm
... (B) Anti-odorant receptor antibody OD2 (1:500) recognizes a specific 64-kD band in olfactory cilia, testis, and rat, hamster, and human sperm.. Kidney, heart, ovary, lung, and brain are [r] ...
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The distal sperm flagellum: its potential for motility after separation from the basal structures
... In mammalian sperm flagella, where a transition zone is not typically seen and where the distal centriole degenerates (Fawcett and Phillips, 1969; Woolley and Fawcett, 1973), accessory structures in the ...
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Epididymal Sperm Maturation in Bats with Prolonged Sperm Storage
... In mammalian sperm, it has been possible to determine that this occurs in a similar fashion, with a phosphorylation ratio of approximately 1000/100/1 for Ser, Thr and Tyr, respectively [27, ...in ...
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In vivo three dimensional tracking of sperm behaviors in the mouse oviduct
... on sperm rheotaxis has shown that the swimming velocity of sperm increases in response to an increase of the fluid flow velocity within a certain range (El-Sherry et ...distance-dependent sperm ...
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CONCEPTUAL UNDERSTANDING OF SHUKRA DUSHTI W.S.R TO SEMINAL PARAMETERS .......
... It is very interesting to know that by proper assessment of physical and bio- chemical features of semen in semen analysis, a physician can understand the dosha involved in the sam- prapti(pathology) better. Thus, it ...
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Unbiased Characterization of Anopheles Mosquito Blood Meals by Targeted High-Throughput Sequencing
... multiple mammalian hosts in a single blood ...the mammalian mitochondrial 16S ribosomal RNA genes (16S rRNA) should amplify more than 95% of the mammalian 16S rRNA sequences present in the NCBI ...
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Review Article Effects of diabetes mellitus on semen quality in adult men: a systematic review and meta-analysis
... progressive sperm motility were 40% and 32%, respectively, and that males with sperm motility values below these thresh- old values are considered to have asthenozoo- spermia ...for sperm to reach ...
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Effect of bulls' breed, age and body condition score on quantitative and qualitative traits of their semen
... eosin on a preheated microscope slide, spread, then examined under a phase contrast microscope at 1 000x magnifi cation and with oil immersion. We classifi ed a minimum of 100 spermatozoa as either dead (with red heads) or ...
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