Abstract
Nanotechnology plays an important role in many fields of science and the economy. A special example of nanostructures is silver nanoparticles (AgNPs) created following the principles of green chemistry, i.e., without the use of toxic reducing compounds. The common tomato (Solanum lycopersicum) is a popular vegetable whose germination and growth process are studied by using, e.g., in vitro cultures. The aim of the experiment was to evaluate the inhibitory effect of the biodegradable gels containing silver nanoparticles on the development of microbial infection and to evaluate their influence on the germination degree of Tomato (Solanum lycopersicum) seeds in in vitro plant cultures. Based on macroscopic and microscopic observations, all experimental samples showed the presence of Gram-positive bacilli as well as mould fungi of the genus Rhizopus, Alternaria and Aspergillus. The study showed that the biocomponents containing silver nanoparticles obtained by using xylose as a reducing agent limit the development of microbial infection and stimulate the germination rate of tomato seeds. They could find their application as biodegradable raw materials in the production of modern disinfecting preparations for research in in vitro cultures. This study allowed to identify new research directions, especially to evaluate the metabolic regulation of seedlings treated with biodegradable silver nanoparticles.
Highlights
Introduction iationsIn the 21st century, nanotechnology is an interdisciplinary branch of science, describing structures sized 100 nm or less, allows characterizing innovative possibilities of using nanoscale metals with biological properties important for the industry [1–3]
The possibility of using silver nanoparticles to decontaminate Arabidopsis seeds and tomato leaf explants were demonstrated by Mahna and co-worker [49]
The results of our study showed that for both non-sterile and sterile seeds in vitro cultures, the lowest value of the infection rate was observed for the concentration of 75 ppm of AgNPs
Summary
Introduction iationsIn the 21st century, nanotechnology is an interdisciplinary branch of science, describing structures sized 100 nm or less, allows characterizing innovative possibilities of using nanoscale metals with biological properties important for the industry [1–3]. Metal nanoparticles find interdisciplinary applications in various fields, e.g., silver is used in the production of food packaging, cosmetics or medical bandages [4–6]. One of the most desirable properties exhibited by metal nanoparticles seems to be antimicrobial activity resulting from the shapes assumed in the structure of the carrier in which they are embedded. This biological activity described in the literature is based on the interaction of nanostructures with microbial cell surfaces, influencing metabolic processes in microbial cells, which in turn lead to the Licensee MDPI, Basel, Switzerland
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