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Forisomes: calcium-powered protein complexes with potential as ‘smart’ biomaterials

Paper ID Volume ID Publish Year Pages File Format Full-Text
37143 45315 2010 9 PDF Available
Title
Forisomes: calcium-powered protein complexes with potential as ‘smart’ biomaterials
Abstract

Sieve tubes in legumes contain forisomes, which are spindle-like bodies that are composed of ATP-independent, mechanically active proteins. Upon injury, forisomes occlude sieve tubes by dispersion and thus, help to prevent loss of nutrient-rich transport sap. Forisome enlargement by dispersion is brought about by Ca2+-induced conformational changes that confer radial expansion and longitudinal contraction. Forisomes recontract upon Ca2+ removal. In vitro, forisomes reversibly disperse and contract in the presence or absence of Ca2+, respectively, and at distinct pHs. Recently, forisomes have received renewed attention because of their unique capacity to convert chemical into mechanical energy independent of high-energy organic compounds. Forisome-based ‘smart’ materials can be used to produce self-powered monitoring and diagnostic systems. Here, we focus on physiological, chemical and physical aspects of forisomes and discuss their potential as biomimetic devices.

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Forisomes: calcium-powered protein complexes with potential as ‘smart’ biomaterials
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 28, Issue 2, February 2010, Pages 102–110
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us