Photosynthesis under artificial light: the shift in primary and secondary metabolism - PubMed (original) (raw)

Review

. 2014 Mar 3;369(1640):20130243.

doi: 10.1098/rstb.2013.0243. Print 2014 Apr 19.

Affiliations

• PMID: 24591723
• PMCID: PMC3949401
• DOI: 10.1098/rstb.2013.0243

Review

Photosynthesis under artificial light: the shift in primary and secondary metabolism

Eva Darko et al. Philos Trans R Soc Lond B Biol Sci. 2014.

Abstract

Providing an adequate quantity and quality of food for the escalating human population under changing climatic conditions is currently a great challenge. In outdoor cultures, sunlight provides energy (through photosynthesis) for photosynthetic organisms. They also use light quality to sense and respond to their environment. To increase the production capacity, controlled growing systems using artificial lighting have been taken into consideration. Recent development of light-emitting diode (LED) technologies presents an enormous potential for improving plant growth and making systems more sustainable. This review uses selected examples to show how LED can mimic natural light to ensure the growth and development of photosynthetic organisms, and how changes in intensity and wavelength can manipulate the plant metabolism with the aim to produce functionalized foods.

Keywords: controlled-environment agriculture; light-emitting diode; metabolism; microalgae; photosynthesis.

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Figures

Figure 1.

Trilateral connection of technological and physiological advances for improvement of plant production using LED lighting. CPPS, closed plant production systems; pLED, polymer light-emitting diode; oLED, organic light-emitting diode. (Online version in colour.)

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