Planarian regeneration: Its end is its beginning

Article Abstract:

Increased understanding of gene function is required to dissect the genetics, cell biology and physiological aspects that make regeneration possible. A largely ignored animal model of regeneration that is making a comeback is the planarian, a simple platyhelminth worms.

United States, Regeneration (Biology)

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Wagging the dogma: Tissue-specific cell cycle control in the mouse embryo

Article Abstract:

Observations of cyclin-dependent kinases (Cdks) functioning in embryo of mice show that the functions of G1 cell cycle regulatory genes are essential only in specific cell types. Further studies on tissue-specific expression in the CDK network are suggested.

Composition, Embryo, Dogmatism

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Spatial positioning: a new dimension in genome function

Article Abstract:

The nuclear space has chromosomes that are non randomly positioned. Spatial positioning in genome activity and stability continues to be largely mysterious.

Genomes, Chromosomes

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