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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Chromosome nondisjunction yields tetraploid rather than aneuploid cells in human cell lines

Article Abstract:

A demonstration that chromosome nondisjunction is tightly coupled to regulation of cytokinesis in human cell lines, such that nondisjunction results in the formation of tetraploid rather than aneuploid cells, is presented. Results reveal that spontaneously arising binucleated cells exhibited chromosome mis-segregation rates up to 166-fold higher than the overall mitotic population.

Author: King, Randall W., Qinghua Shi
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
Physiological aspects, Human beings, Humans, Cytokinesis, Man, Human chromosome abnormalities

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Ecological interference between fatal diseases

Article Abstract:

A mechanism for ecological interference between pathogens is recently proposed. The historical measles and whooping cough records is analysed and modelled, and it is shown that ecological interference is particularly strong when fatal infections permanently remove susceptibles.

Author: Grenfell, B.T., Rohani, P., Green, C. J., Mantilla- Beniers, N. B.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
Analysis, Ecological research, Pathogenic microorganisms

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Subjects list: Research, Genetic aspects
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