sex reversal
Temperature preference of Nile tilapia (Oreochromis niloticus) juveniles induces spontaneous sex reversal
... genetic sex determination system (XX|XY) where high temperatures (above 32˚C to ...thermal sex reversal mechanism in a natural context remains ...the sex ratio toward ...the sex ratio ...
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Brief exposure of embryos to steroids or aromatase inhibitor induces sex reversal in Nile tilapia (Oreochromis niloticus)
... no sex reversal was observed in YY spawns, changes in the expression or activity of brain aromatase could not be the sole factor involved in the mechanism of embryonic sex ...
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The sensitive period for male-to-female sex reversal begins at the embryonic stage in the Nile tilapia and is associated with the sexual genotype
... Temperature-dependent sex reversal is accompanied by a decrease in brain aromatase activity during the sex- differentiating period (D’Cotta et ...gonad sex differentiation cannot be ruled out, ...
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Reduced Activity of SRY and its Target Enhancer Sox9-TESCO in a Mouse Species with X*Y Sex Reversal
... classes, sex determination in mammals is relatively static and almost invariably based on an XX female/XY male ...of sex-determining systems as well as into mechanistic issues such as the interplay between ...
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Study of gene expression during high temperature sex reversal in Oreochromis niloticus
... Survival rates: treated 77% control 79% Sex reversal: 22% We observe an unexpected up-regulation of brain aromatase ( cyp19a1b ) in trunk of developing Nile tilapia. Moreover, we could show that cyp19a1b ...
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Sex chromosome and sex locus characterization in goldfish, Carassius auratus (Linnaeus, 1758)
... of sex reversal induced by temperature according to previous re- search [ 25 ...to sex these fish based on gonadal ...cant sex ratio differences and genotype/phenotype sex- linkage with ...
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Diffusion properties of active particles with directional reversal
... 2 Laboratoire J. A. Dieudonn´e, Universit´e de Nice Sophia Antipolis, UMR 7351 CNRS, Parc Valrose, F-06108 Nice Cedex 02, France E-mail: grossmann@physik.hu-berlin.de Abstract. The diffusion properties of self-propelled ...
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The Sexual Differentiation of the Human Brain: Role of Sex Hormones Versus Sex Chromosomes.
... 1.4 Indirect Measures of Prenatal Hormone Levels For obvious ethical reasons, indirect markers of prenatal hormone levels have been used to study potential organizational effects of sex hormones in the human ...
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Magnetic reversal in ion-irradiated FePt thin films
... thin films as a function of film thickness. For the thinnest films, very low ion irradiation fluences induce a perpendicular magnetic anisotropy with very square hysteresis loops and small coercive fields. The reduced ...
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Testing Time-Reversal : $\Lambda_b$ Decays into Polarized Resonances
... assuming TR as a good symmetry, it leads to P T = 0. Therefore a nonzero P T could be a sign of TRV. In this case, P T is called a Time Odd (T-odd) observable. Usually, a T-odd observable is not sufficient to prove the ...
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Arrays of holes fabricated by electron-beam lithography combined with image reversal process using nickel pulse reversal plating
... image reversal process using Ni pulse reversal plating was used to reverse the tonality of the pattern and to form a hard-etch mask for ...Pulse reversal technique was used in this study to improve ...
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Efficient Deconstruction with Typed Pointer Reversal (abstract)
... Node( Box<(Tree_2boxes<A,B>,A)>, Box<(Tree_2boxes<A,B>,B)>), } does not hold enough free bits to implement pointer reversal: it misses one available bit. Indeed, Rust recognises that it can ...
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Synthesis and magnetic reversal of bi-conical Ni nanostructures Synthesis and magnetic reversal of bi-conical Ni nanostructures
... tion reversal occurs through a nucleation/propagation pro- cess instead of a coherent rotation of the spins in the constriction as one could expect from the shape anisotropy of the ...
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Regulatory behaviour under threat of court reversal
... Inexperienced regulators, therefore, have stronger incentives to avoid making ‘mistakes’ and experienced regulators have greater opportunity to consider additional decision objectives, such as consumer surplus 6 with ...
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Testing Explanations of Preference Reversal: a Model
... Cubitt, R.P., Munro, A., and Starmer, C. (2004). “Testing Explanations of Preference Reversal,” The Economic Journal vol. 114, pp. 709-726. Fisher, G.W., Carmon, Z., Ariely, D., and Zauberman, G. (1999). ...
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Plasma generation using time reversal of microwaves
... 2 ISAE-SUAPERO, Universit e de Toulouse, 10 Avenue Edouard Belin, 31400 Toulouse, France a) Author to whom correspondence should be addressed: valentin.mazieres@laplace.univ-tlse.fr ABSTRACT We report the experimental ...
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Cooling by Time Reversal of Atomic Matter Waves
... time reversal of matter waves of ultracold atoms in the regime of quantum ...time reversal is not ...time reversal symmetry, and therefore this setup can be used as a sensi- tive Loschmidt ...
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Reversal : le partage de la parole comme expérience sensible, esthétique, et politique
... En conclusion enfin je soulève les questions éthiques induites par mon enquête, qui problématisent avec rigueur ma pratique artistique d’intervention dans les organ[r] ...
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Time-reversal for EMC improvement in powerline communications
... Figure 9. CDF of Focusing Gain for 144 CTFs Figure 10 shows the plot between Focusing Gain and the peak value of CIR magnitude. It is quite obvious from this figure that the Focusing Gain generally increases for weaker ...
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TIME-REVERSAL MIRRORING FOR NEAR-ULTRASONIC INDOOR COMMUNICATION
... More specifically, the communication system stud- ied here combines a linear-frequency-modulation spread- spectrum technique, used to encode information and in- crease detection robustness, with a Time-Reversal ...
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