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Related Experiment Video

Updated: May 12, 2026

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area

Published on: October 25, 2024

Commentary: why don't plant leaves get fat?

Kent D Chapman¹, John M Dyer, Robert T Mullen

¹Center for Plant Lipid Research, Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA. chapman@unt.edu

Plant Science : an International Journal of Experimental Plant Biology

|April 23, 2013

Summary

Metabolic engineering aims to increase plant lipids in leaves for biofuels. This strategy diverts photosynthetic carbon from carbohydrates to triacylglycerols in vegetative tissues.

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Relating Stomatal Conductance to Leaf Functional Traits

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Published on: October 12, 2015

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Last Updated: May 12, 2026

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area

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Published on: October 25, 2024

Relating Stomatal Conductance to Leaf Functional Traits

Relating Stomatal Conductance to Leaf Functional Traits

Published on: October 12, 2015

Area of Science:

Plant Biotechnology
Bioenergy Research
Metabolic Engineering

Background:

Growing demand for sustainable energy sources drives interest in plant biomass.
Plant lipids offer higher energy density and easier conversion to biofuels compared to carbohydrates.
Vegetative tissues, like leaves, are abundant biomass but naturally accumulate carbohydrates, not lipids.

Purpose of the Study:

To explore metabolic engineering strategies for accumulating lipids in vegetative plant tissues.
To redirect photosynthetic carbon flow towards triacylglycerol synthesis in non-seed tissues.
To enhance the bioenergy potential of plant biomass.

Main Methods:

Developing metabolic engineering strategies to alter plant carbon metabolism.
Focusing on diverting photosynthetic products from sucrose and starch pathways.
Engineering pathways for triacylglycerol accumulation in vegetative tissues.

Main Results:

Identified key factors supporting lipid accumulation in vegetative tissues for bioenergy.
Proposed methods to redirect carbon flow from carbohydrate synthesis to lipid synthesis.
Highlighted the potential of leaves as ideal sites for lipid accumulation.

Conclusions:

Metabolic engineering can enhance lipid accumulation in vegetative plant tissues for bioenergy.
Diverting carbon from carbohydrate pathways is crucial for increasing triacylglycerol content.
This approach offers a promising route to more efficient biofuel production from plant biomass.