By genetically modifying we can alter some properties of plants. But can we modify the biophysical, optical or thermal properties of leaves?
Hello, Shehan Perera
The optical properties of a leaf are determined by its biochemical and biophysical characteristics, including its 3-D cellular organization. The absorption and scattering properties of leaves together create the shape of their reflectance spectra.
Genetic engineering is a technique that allows scientists to introduce new traits or modify existing ones in plants by altering their DNA. Genetic engineering can be used to improve various aspects of plant performance, such as yield, quality, resistance, or adaptation.
Therefore, it is possible that genetic engineering could modify the biophysical, optical or thermal properties of leaves by altering their biochemical and biophysical characteristics. For example, genetic engineering could change the concentration or composition of pigments, such as chlorophyll, carotenoids, or anthocyanins, that affect the absorption and reflection of light by leaves. Genetic engineering could also change the structure or arrangement of cells, tissues, or organelles, such as stomata, mesophyll, or chloroplasts, that affect the scattering and transmission of light by leaves. Genetic engineering could also change the water content or thermal conductivity of leaves that affect their temperature and heat exchange with the environment.
However, modifying the biophysical, optical or thermal properties of leaves by genetic engineering may also have some trade-offs or consequences for other aspects of plant function or ecology. For example, changing the pigment concentration or composition may affect the photosynthetic efficiency or stress tolerance of leaves. Changing the cellular structure or arrangement may affect the gas exchange or transpiration of leaves. Changing the water content or thermal conductivity may affect the water balance or frost resistance of leaves. Therefore, genetic engineering of leaf properties may require careful consideration of the benefits and costs for plant performance and adaptation.
Dear Dr. Antonov
Thank you so much for your well described answer. Appreciate if you could recommend me few papers to read.
Tecnicamente sim, principalmente se levarmos em conta que luz e calor aumentam a velocidade das reaçoes, ativam cromoforos e etc. Mas no caso das plantas sabemos que é possível, mas qual a qualidade do produto dessa reação.
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