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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

UV-B radiation and soil microbial communities

Article Abstract:

The finding that the exposure of a subartic heath ecosystem to increased ultraviolet-B (UV-B) irradiation causes a drastic decline in the mass ratio of C: N in soil microorganisms, which would in turn increase the amount of nitrogen stored in the microbial biomass and possibly alter the availability of nitrogen to plants is analyzed. The research revealed that under identical experimental condition, an increased UV-B irradiation could affect both the community structure and amount of nitrogen held with in the microbial mass.

Author: Johnson, David, Campbell, Colin D., Lee, John A., Callaghan, Terry V., Qwynn-Jones, Dylan
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
Soil microbiology, Nitrogen-fixing microorganisms

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Myocardin and ternary complex factors compete for SRF to control smooth muscle gene expression

Article Abstract:

The way extracellular signals enable serum response factor (SRF) to select between muscle-specific and growth-regulated genes are investigated. It is observed that by regulating the association of SRF with antagonistic cofactors growth and developmental signals modulate smooth muscle gene expression.

Author: Zhigao Wang, Da-Zhi Wang, Hockemeyer, Dirk, McAnally, John, Nordheim, Alfred; Olson, Eric N.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
Genetic aspects, Smooth muscle

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Patches for wounded muscle

Article Abstract:

The damaging effects of stresses and strains imposed on certain cells on the muscle membrane are studied. The finding indicated the presence of a protein called dysferlin as a new component of the mechanism for resealing the holes, and thus healing the muscle membrane.

Author: Ellis, Juliet A.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
Care and treatment, Muscle regeneration, Membrane disorders

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