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Re-engineering of carbon fixation in plants – challenges for plant biotechnology to improve yields in a high-CO2 world

Paper ID Volume ID Publish Year Pages File Format Full-Text
16033 42482 2012 5 PDF Available
Title
Re-engineering of carbon fixation in plants – challenges for plant biotechnology to improve yields in a high-CO2 world
Abstract

Source and sink strength control plant carbon gain and yield. Source strength was recently engineered by modifying the large subunit of Rubisco, replacing the small subunit, and creating improved thermostable Rubisco activases. This technological breakthrough makes Rubisco engineering feasible at last. Enhancement of leaf transitory starch synthesis or induction of artificial sinks in leaves increased biomass and yield. Importantly, such approaches also had a positive feedback on source strength. In addition, novel targets for the improvement of carbon gain in crops have been identified that are especially relevant in the light of climate change.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (183 K)Download as PowerPoint slideHighlights► Rubisco engineering became feasible by identification of single residues controlling enzymatic properties of the enzyme. ► Increases in leaf transitory sinks have been identified as positive regulators of source strength. ► Novel targets for biotechnology include components of light reactions and transcription factors.

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Re-engineering of carbon fixation in plants – challenges for plant biotechnology to improve yields in a high-CO2 world
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Publisher
Database: Elsevier - ScienceDirect
Journal: Current Opinion in Biotechnology - Volume 23, Issue 2, April 2012, Pages 204–208
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
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