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A study of spectral-polarization characteristics of plant canopies using land-based remote sensing / A. F. Sid'ko [et al.] // Journal of Quantitative Spectroscopy and Radiative Transfer. - 2013. - Vol. 129. - P109-117, DOI 10.1016/j.jqsrt.2013.06.001 . - ISSN 0022-4073
Кл.слова (ненормированные):
Farm crops -- Forest stands -- Spectral brightness coefficients -- Spectral-polarization characteristics -- Forest stand -- Near-infrared spectral regions -- Plant reflectance -- Polarized components -- Reflectance spectrum -- Reflection properties -- Spectral brightness -- Spectral-polarization characteristics -- Forestry -- Luminance -- Physiological models -- Polarization -- Reflection -- Crops -- brightness temperature -- canopy reflectance -- crop plant -- nadir -- polarization -- remote sensing -- spectral analysis -- Farm Crops -- Forestry -- Forests -- Polarization -- Reflection -- Triticum aestivum -- Zea mays
Аннотация: The study addresses reflection and spectral-polarization characteristics of forest stands and farm crops obtained under field conditions. The study of the reflection properties of farm crops shows that during the summer plant growing season, the major factors influencing the plant canopy reflectance are morpho-physiological parameters, plant architectonics, solar elevation h0, and viewing angle. The crop reflectance minimum was recorded at viewing angles 25-30В° with respect to the nadir. Coniferous and broadleaf forest stands had similar reflectance spectra of polarized light. The polarized component was smaller for all coniferous stands than for broadleaf ones. For broad-leaved farm crops (wheat and corn), the polarized component of the spectral brightness coefficients had a greater influence on the plant reflectance in the red and near-infrared spectral regions, ?>720nm. В© 2013 Elsevier Ltd.

Scopus
Держатели документа:
Institute of Biophysics of the Siberian Branch of RAS, 50-50 Akademgorodok, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sid'ko, A.F.; Botvich, I.; Pisman, T.I.; Shevyrnogov, A.P.

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Heterogeneity of the populations of marine luminescent bacteria Photobacterium leiognathi under different conditions of cultivation / S. E. Medvedeva, O. A. Mogil'naya, L. Yu. Popova // Microbiology. - 2006. - Vol. 75, Is. 3. - P292-299, DOI 10.1134/S002626170603009X . - ISSN 0026-2617
Кл.слова (ненормированные):
Bioluminescence -- Luminescent bacteria -- Morphology of colonies -- Bacteria (microorganisms) -- Photobacterium leiognathi
Аннотация: Manifestation of pleiotropic effects in the isogenic variants of the luminescent bacterium Photobacterium leiognathi 54 was investigated. The decrease or increase of the expression level of bioluminescence was caused by changes in lux operon regulation. The dynamics of the bioluminescence of dark and dim variants did not differ from the dynamics of the initial luminescent variant, but dependence of the level of luminescence intensity on the exogenous autoinducer of the lux operon was revealed. The investigated variants of P. leiognathi 54 inherited fairly stable morphological characteristics, colony architectonics, level of luminescence, and activity of some enzymes; variants with reduced bioluminescence formed colonies of the S type. Stable bright variants with S-and R-type colonies appeared both in the initial strain population and in the dark variant population, but with smaller frequency. Populations of the bright variant with R-type colonies were most heterogeneous; this can be determined by the lack of glucose repression of the bioluminescence in contrast to other investigated inherited variants of P. leiognathi. В© Pleiades Publishing, Inc., 2006.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, 50, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Medvedeva, S.E.; Mogil'naya, O.A.; Popova, L.Yu.

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Investigation of culture heterogeneity of the hydrogen-oxidizing bacterium Alcaligenes eutrophus / G. N. Stasishina [et al.] // Microbiology. - 1999. - Vol. 68, Is. 2. - P164-170 . - ISSN 0026-2617
Кл.слова (ненормированные):
Dissociation -- Heterogeneity -- Hydrogen-oxidizing bacteria -- Ultrastructure of cells and colonies
Аннотация: Some morphological, physiological, and biochemical manifestations of heterogeneity in the population of the hydrogen-oxidizing bacterium Alcaligenes eutrophus Z1 were studied. The population dissociated into R and S variants differing in the size, appearance, and architectonics of colonies, cell ultrastructure, growth rate, enzyme activity, and chemical composition. Heterogeneity also manifested itself in different responses of cells to antibiotics, surfactants, and elevated temperature. В© 1999 MAHK "Hayka/Interperiodica".

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Stasishina, G.N.; Mogil'naya, O.A.; Volova, T.G.; Guseinov, O.A.; Kalacheva, G.S.; Medvedeva, S.E.; Plotnikov, V.F.; Frank, L.A.

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Colony structure of a consortium of nitrifying bacteria / A. P. Puzyr' [и др.] // Mikrobiologiya. - 2001. - Vol. 70, Is. 1. - P. 98-105 . - ISSN 0026-3656
Кл.слова (ненормированные):
Colony architectonics -- Electron microscopy -- Nitrifying bacteria -- article -- bacterium -- bioreactor -- culture medium -- electron microscopy -- growth, development and aging -- nitrogen fixation -- ultrastructure -- Bacteria -- Bioreactors -- Culture Media -- Microscopy, Electron -- Nitrogen Fixation
Аннотация: Colonies produced by a consortium of nitrifying bacteria were studied using light and electron microscopy. The colonies were obtained by direct plating of inoculum from a two-stage nonsterile chemostat fermentor and by repeatedly passing the microbial community of the fermenter through selective media containing ammonium or nitrite. The colonies studied can be characterized by a specific combination of six types of cells differing in their ultrastructure and spatial location within the colony. The types of cells occurring within a given colony were found to depend on the nitrogen compound present in the medium. As a result of our study, morphological features of colonial bacterial communities were preliminarily identified. The proposed approach can be viewed as a method to describe microbial associations and communities.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Puzyr', A.P.; Mogil'Naya, O.A.; Gurevich, Y.L.; Babkina, E.A.

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Architectonics of Flavobacterium sp. 56 and Flavobacterium sp. 22 colonies as exposed by transmission electron microscopy [Text] / A. P. Puzyr', O. A. Mogil'naya, L. S. Tirranen // Microbiology. - 1998. - Vol. 67, Is. 5. - P. 555-562. - Cited References: 21 . - ISSN 0026-2617

РУБ Microbiology
Рубрики:
BACTERIAL
Кл.слова (ненормированные):
electron microscopy -- colony architectonics -- Flavobacterium
Аннотация: Colonies of Flavobacterium sp. 56 and Flavobacterium sp. 22 were studied by electron microscopy without being washed off from solid nutrient medium and were shown to differ in the spatial arrangement and ultrastructure of their cells. Colonies of Flavobacterium sp. 56 contained a single type of cells, while those of Flavobacterium sp. 22 consisted of cells of two types differing in their ultrastructure. Within the colony volume, bacteria were oriented in a regular pattern characteristic of each strain studied. The evidence obtained relating to the ultrastructure, spatial orientation, and location of cells is sufficient for the unambiguous identification of bacterial strains and provides new information on colony architectonics.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Puzyr', A.P.; Mogil'naya, O.A.; Tirranen, L.S.

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Architectonics of a mixed colony Flavobacterium sp 56+Bacillus cereus 60 [Текст] / A. P. Puzyr, O. A. Mogil'naya, E. L. Pavlyuchenko // Izv. Akad. Nauk Ser. Biol. - 1999. - Is. 3. - P. 378-384. - Cited References: 15 . - ISSN 0002-3329

РУБ Biology

Аннотация: Electron microscopy has shown that the colonies obtained as a result of joint growth of bacterial monocultures Flavobacterium sp. 56 and Bacillus cereus 60 consist of three main cell types. Two cell types of the mixed colonies preserve the fine structure specific for bacteria in the monocultures. At the same time, formation of a large amount of the third type of cells is stimulated, which occur as single cells in the monoculture Flavobacterium sp. 56. The cell types are not intermixed in the colony volume and have certain spatial positions.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Puzyr, A.P.; Mogil'naya, O.A.; Pavlyuchenko, E.L.

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Colony structure of a consortium of nitrifying bacteria [Text] / A. P. Puzyr' [et al.] // Microbiology. - 2001. - Vol. 70, Is. 1. - P. 84-90, DOI 10.1023/A:1004853123326. - Cited References: 6 . - ISSN 0026-2617

РУБ Microbiology
Рубрики:
COMMUNITY
Кл.слова (ненормированные):
electron microscopy -- colony architectonics -- nitrifying bacteria
Аннотация: Colonies produced by a consortium of nitrifying bacteria were studied using fight and electron microscopy. The colonies were obtained by direct plating of inoculum from a two-stage nonsterile chemostat fermenter and by repeatedly passing the microbial community of the fermenter through selective media containing ammonium or nitrite. The colonies studied can be characterized by a specific combination of six types of cells differing in their ultrastructure and spatial location within the colony. The types of cells occurring within a given colony were found to depend on the nitrogen compound present in the medium. As a result of our study, morphological features of colonial bacterial communities were identified. The proposed approach can be viewed as a method to describe microbial associations and communities.

WOS
Держатели документа:
Russian Acad Sci, Siberian Div, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Puzyr', A.P.; Mogil'naya, O.A.; Gurevich, Y.L.; Babkina, E.A.

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The architectonics of colonies of Bacillus subtilis 2335 [Text] / A. P. Puzyr' [et al.] // Microbiology. - 2002. - Vol. 71, Is. 1. - P. 57-64, DOI 10.1023/A:1017950316748. - Cited References: 12 . - ISSN 0026-2617

РУБ Microbiology

Кл.слова (ненормированные):
electron microscopy -- Bacillus subtills -- spores -- vegetative cells -- glycocalyx -- architectonics of bacterial colonies
Аннотация: Colonies grown from vegetative Bacillus subtilis 2335 cells had a standard structure, with bacillar cells occupying the whole colony volume. At the same time, the colonies of this bacterium grown from germinated spores had an abnormal structure characterized by the location of cells in a surface layer 100-200 mum thick at the colony boundary with the air. The glycocalyx of the colonies grown from spores was characterized by a wetting angle theta(e) of 120degrees-160degrees, whereas that of the colonies grown from vegetative cells had an angle theta(c) as low as 5degrees-30degrees. It is suggested that spores and vegetative cells follow different strategies of substrate colonization and that the architectonics of bacterial colonies is determined by the physicochemical properties of the glycocalyx.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Puzyr', A.P.; Mogil'naya, O.A.; Krylova, T.Y.; Popova, L.Y.

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INTRACANOPY LIGHTING IN PHYTOCENOSES AND PHOTOBIOLOGICAL EFFICIENCY OF RADIATION IN PHOTOCULTURE CONDITIONS / A. A. Tikhomirov // Light Eng. - 2021. - Vol. 29, Is. 2. - P4-15, DOI 10.33383/2020-076. - Cited References:42. - The work is performed as part of state assignments VI.56.1.4 and 0287-2019-0009 "Research of the Effect of Plant Texture on Photosynthesis Efficiency" with the Biophysics Institute of the Federal Research Centre "Krasnoyarsk Research Facility of the Siberian Branch of the Russian Academy of Sciences". . - ISSN 0236-2945

РУБ Engineering, Electrical & Electronic + Optics
Рубрики:
DIFFERENT SPECTRAL COMPOSITION
   EMITTING-DIODES
   GREEN LIGHT
   LETTUCE
Кл.слова (ненормированные):
plant light culture -- intracanopy lighting -- light sources -- canopy -- architectonics -- optical canopy properties -- canopy productivity
Аннотация: The review is devoted to the study of the internal radiation regime in the canopies cultivated under controlled environmental conditions. The expediency of using canopies as an object of research for evaluating the photobiological efficiency of radiation in light culture conditions is justified. The appropriateness of light measurements in multi-tiered canopies is shown, taking into account the role of leaves of different tiers in the formation of an economically useful crop. The main requirements for light devices for their use in measuring artificial radiation in light culture conditions are considered, and a brief analysis of the existing instrument base for performing these studies is given. A number of examples show the complexity and ambiguity of the internal structure of the light field that is forming within canopies in light culture conditions. Conceptual approaches to the choice of spectral and energy characteristics of artificial irradiation for plant light culture are proposed and justified. The necessity of taking into account the light conditions of leaves of different tiers when choosing the spectral and energy characteristics of light sources for the cultivation of multi-tiered canopies is justified. Techniques, methods, and light sources used for additional intracanopy lighting are analysed. The efficiency of using side illumination of plant canopies and conditions for its implementation are considered. The advantages of the volume distribution of canopies on the most common multi-tiered lighting installations are discussed. Based on the presented mate- rial, we consider ways to improve methodological approaches for evaluating the photobiological effectiveness of artificial radiation in light culture conditions for canopies of cultivated plants, taking into account the features of their architectonics and internal radiation regime.

WOS
Держатели документа:
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk, Russia.
Krasnoyarsk Sci Ctr, Inst Biophys, SB RAS,Fed Res Ctr, Krasnoyarsk, Russia.

Доп.точки доступа:
Tikhomirov, Alexander A.; Biophysics Institute of the Federal Research Centre "Krasnoyarsk Research Facility of the Siberian Branch of the Russian Academy of Sciences" [VI.56.1.4, 0287-2019-0009]

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