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Genomic duplication

By | May 31, 2002

Analysis of the human genome sequence provides evidence for extensive duplication events during vertebrate evolution.

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No iron, no biofilms

By | May 31, 2002

biofilm development.

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Nogo for axon regeneration

By | May 31, 2002

Nogo receptor antagonists promote axonal regeneration after spinal cord trauma and may improve functional recovery.

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Wily wasps ferment ant civil war

By | May 31, 2002

Secretions from a parasitoid wasp induce ants to attack their kin, leaving the wasp a free run at the larvae in the nest.

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Inventory of secreted proteins

By | May 30, 2002

Genomic sequence analysis identifies pathogenicity proteins secreted into host cells by a plant pathogen.

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Max Perutz Awards 2002

By | May 30, 2002

Annual essay prizes go to those scientists who can explain the nub of their work.

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Silvereye birds explain evolution

By | May 30, 2002

Single silvereye colonization events are rarely accompanied by severe founder effects, suggesting new species arise gradually.

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2

By | May 29, 2002

channel function.

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Cow clones

By | May 29, 2002

X-chromosome inactivation, the largest epigenetic event known, involves random silencing of one of the two X chromosomes in the cells of female mammals. In an Advanced Early Publication in Nature Genetics, Fei Xue and colleagues report defects in X inactivation in cells from cloned bovine embryos (NatGenet 2002, DOI:10.1038/ng900).Xue etal. looked at the allele-specific expression of the X-linked monoamine oxidase type A (MAOA) gene and at the expression of Xist and other X-linked genes in clone

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Smallpox repays the complement

By | May 29, 2002

The variola virus overcomes human viral clearance by inactivation of complement components C3b and C4b.

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