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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Anti-apoptotic function of a microRNA encoded by the HSV-1 latency-associated transcript

Article Abstract:

A microRNA (miR-LAT) generated from the exon 1 region of the herpes simplex virus-1 latency-associated transcript (HSV-1LAT) gene is identified and characterized to show that a miRNA encoded by the HSV-1LAT gene confers resistance to apoptosis of infected neurons. Results suggest that the regulation of the induction of apoptosis in infected cells is by modulation of transforming growth factor-beta (TGF-beta) signaling by the miRNA, contributing to the persistence of HSV in a latent form in sensory neurons.

Author: Gupta, A., Gartner, J.J., Sethupathy, P., Hatzigeorgiou, A.G., Fraser, N.W.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
Analysis, Genetic aspects, Polymerase chain reaction, RNA, Herpes simplex virus, Structure, RNA processing

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Reversing the direction of the supercurrent in a controllable Josephson junction

Article Abstract:

The behaviour of the Josephson current has been studied in four similar diffusive superconductor/normal-metal/superconductor (SNS) junctions. A non-thermal distribution function was applied to the normal conducting weak link. The results of one device are presented including the resistance of the normal control channel and observed I-V curves of the SNS junction. The junction is proved to switch from a normal state to a pi-state.

Author: van Wees, B.J., Klapwijk, T.M., Baselmans, J.J.A., Morpurgo, A.F.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
Superconductors, Josephson junction, Josephson junctions

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A spin triplet supercurrent through the half-metallic ferromagnet CrO2

Article Abstract:

A Josephson supercurrent through the strong ferromagnet CrO2, from which it is inferred that it is a spin triplet supercurrent, is reported. The underlying physical explanation for this result is found in a conversion from spin singlet pairs to spin triplets at the interface.

Author: Klapwijk, T.M., Gupta, A., Keizer, R.S., Goennenwein, S.T.B., Miao, G., Xiao, G.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
Electric properties, Ferromagnetism, Magnetic properties, Chromium dioxide

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