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Mitochondrial disease genes in yeast

By | July 25, 2002

A yeast screen for growth characteristics identifies a large number of genes linked to mitochondrial function, and perhaps to human mitochondrial diseases.

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UK's Lords seek changes in animal testing

By | July 25, 2002

A House of Lords report supports the use of animals in research but calls for greater efforts to seek alternatives.

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How diet extends lifespan

By | July 24, 2002

Calorie restriction increases lifespan in yeast through increasing respiration by a factor of three.

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SV40 in vaccines

By | July 24, 2002

Did polio vaccines contaminated with SV40 cause increased incidence of rare cancers and non-Hodgkin lymphoma?

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The real culprit in Graves disease

By | July 24, 2002

Thyroid-stimulating autoantibodies preferentially recognize the free A subunit, not the thyrotropin holoreceptor, in Graves thyrotoxicosis.

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Transfection using lasers

By | July 24, 2002

A variety of mammalian cells can be efficiently transfected with DNA using treatment with a femtosecond pulse laser.

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UK government puts weight behind science

By | July 24, 2002

Tony Blair's government has underlined its commitment to UK science in the strategy document just released.

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Chocolate eaten in 600 BC

By | July 23, 2002

Analysis of Preclassic Mayan urns suggests humans were imbibing chocolate much early than previously thought.

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Crackdown on DNA patents needed

By | July 23, 2002

A long-awaited report by the Nuffield Council on Bioethics says fewer patents on DNA sequences should be granted.

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Turning off a transgene

By | July 23, 2002

Studies of transgenic rice plants provide insights into the role of methylation in gene silencing.

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