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SmartPlant: Environmental Control of Carotenoid Biosynthesis: A novel strategy to improve photosynthetic efficiency Gabriela Toledo-Ortiz University of Edinburgh School of Biological Sciences Halliday Lab CIG

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Page 1: SmartPlant: Environmental Control of Carotenoid ... · SmartPlant MARIE CURIE N THE UNIVERSITY 0 EDINBURGH . SmartPlant . SmartPlant . SmartPlant Light and Temperature molecular integrators

SmartPlant: Environmental Control of Carotenoid Biosynthesis: A novel strategy to improve photosynthetic efficiency

Gabriela Toledo-Ortiz

University of Edinburgh

School of Biological Sciences

Halliday LabCIG

Page 2: SmartPlant: Environmental Control of Carotenoid ... · SmartPlant MARIE CURIE N THE UNIVERSITY 0 EDINBURGH . SmartPlant . SmartPlant . SmartPlant Light and Temperature molecular integrators

BIOMASS

GROWTH

Photosynthesis

CROP YIELD

Photosynthetic Pigments

Chlorophylls

Why photosynthetic pigments are important?

Light

Harvesting

Growth

Regulators

Aroma

Flavors

Antioxidants

Color

Visual pigments

Retinoids

Vitamin A

Carotenoids

Page 3: SmartPlant: Environmental Control of Carotenoid ... · SmartPlant MARIE CURIE N THE UNIVERSITY 0 EDINBURGH . SmartPlant . SmartPlant . SmartPlant Light and Temperature molecular integrators

TEMPERATURE

phytochrome

PIF1

HY5

Transcription

factors

PIF3

PIF4

PIF5

CACGTG

TEMPERATURE

Antagonistic transcription factors modulate carotenoid biosynthesis in response to environmental cues

Page 4: SmartPlant: Environmental Control of Carotenoid ... · SmartPlant MARIE CURIE N THE UNIVERSITY 0 EDINBURGH . SmartPlant . SmartPlant . SmartPlant Light and Temperature molecular integrators

Photopigment content istemperature dependent

Page 5: SmartPlant: Environmental Control of Carotenoid ... · SmartPlant MARIE CURIE N THE UNIVERSITY 0 EDINBURGH . SmartPlant . SmartPlant . SmartPlant Light and Temperature molecular integrators

Shade induces changes in carotenoid content

Jordi Bou-Torrent, Miriam OrtizJaime Martinez-Garcia

Manuel Rodriguez-Concepcion

sun shade

Collaborative Effort

Gabriela Toledo-OrtizKaren Halliday