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Author Budagovsky, A. V. ♦ Maslova, M. V. ♦ Budagovskaya, O. N. ♦ Budagovsky, I. A.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword APPLIED LIFE SCIENCES ♦ CELL DIVISION ♦ COHERENCE LENGTH ♦ COHERENT RADIATION ♦ CONTROL ♦ ECOSYSTEMS ♦ FUSARIUM ♦ INTERACTIONS ♦ MONOCHROMATIC RADIATION ♦ PATHOGENS ♦ PLANT CELLS ♦ PLANT GROWTH ♦ PSEUDOMONAS ♦ VISIBLE RADIATION
Abstract By the example of plants, fungi and bacteria, we consider the possibility of controlling the interaction of cells, being in competitive, antagonistic, or parasitic relations. For this aim we used short-time irradiation (a few seconds or minutes) with the red (633 nm) quasi-monochromatic light having different spatiotemporal coherence. It is shown that the functional activity is mostly increased in the cells whose size does not exceed the coherence length and the correlation radius of the light field. Thus, in the case of cells essentially differing in size, it is possible to increase the activity of smaller cells, avoiding the stimulation of larger ones. For example, the radiation having relatively low coherence ( L {sub coh}, r {sub cor} ≤ 10 μm) facilitates mainly the damage of large-size plant cells by pathogen fungi, while the exposure to light with less statistical regularity ( L {sub coh} = 4 μm, r {sub cor} = 5 μm) inhibits the growth of the Fusarium microcera fungus, infected by the bacterium of the Pseudomonas species. The quasi-monochromatic radiation with sufficiently high spatiotemporal coherence stimulated all interacting species (bacteria, fungi, plants). In the considered biocenosis, the equilibrium was shifted towards the favour of organisms having the highest rate of cell division or the ones better using their adaptation potential. (paper)
ISSN 10637818
Educational Use Research
Learning Resource Type Article
Publisher Date 2017-03-01
Publisher Place United States
Journal Quantum Electronics
Volume Number 47
Issue Number 2


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