Abstract
Some works showed that commercial PET systems and 2-deoxy-2-fluoro[18F]-D-glucose (2-[18F]FDG) can be used in plant studies to analyze the transport and allocation of photoassimilates. The aim of this work was to evaluate the effect of characteristics of plant tissues, applied solution and the phenomenon of “escaping positrons” on the visualisation and quantification of the uptake and distribution
Highlights
Growing human population increases requirements on food, energy and other natural resources
The experiments with intact pepper (C. annuum L.) plants immersed with the root system or cut stem into a 2-[18F]FDG solution including the positron emission tomography (PET) analysis using a commercial microPET primarily developed for animal objects were carried out
As was found in our previous work Partelová et al (2014), the visual interpretability of PET records regarding the distribution of 2-[18F]FDG in plant tissues as well as the translocation of 2-[18F]FDG from the application part to other parts of the plant are significantly affected by the concentration of D-glucose in the applied solution 2-[18F]FDG
Summary
Growing human population increases requirements on food, energy and other natural resources. Non-invasive radioisotopes imaging techniques, which can image the temporal changes in radioisotopes distributions, are effective for investigating the dynamics and distributions of elements and molecules under in vivo conditions In plant studies, they are powerful tools for the elucidation of physiological functions (Kurita et al 2020). The field of radiotracer imaging involves the application of radioisotope-labelled compound (radiotracer) to analyze the uptake and distribution of corresponding non-labelled analogue, helping to shed light on the underlying physiology or diagnostics (Fatangare and Svatoš 2016). One of these radiotracer imaging systems and approaches is positron emission tomography (PET). There are several works that evaluate the possibility of using commercial PET systems in visualization and quantification of uptake and transport of 2-[18F]FDG in plant tissues. Tsuji et al (2002)
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