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Effect of Humic Acids on the Metabolism of Chlorella vulgaris in a Model Experiment. / Toropkina, M. A.; Ryumin, A. G.; Kechaikina, I. O.; Chukov, S. N.

In: Eurasian Soil Science, Vol. 50, No. 11, 11.2017, p. 1294-1300.

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Toropkina, M. A. ; Ryumin, A. G. ; Kechaikina, I. O. ; Chukov, S. N. / Effect of Humic Acids on the Metabolism of Chlorella vulgaris in a Model Experiment. In: Eurasian Soil Science. 2017 ; Vol. 50, No. 11. pp. 1294-1300.

BibTeX

@article{4a54cadca66a4cfb9771f90c163fdf53,
title = "Effect of Humic Acids on the Metabolism of Chlorella vulgaris in a Model Experiment",
abstract = "The effect of humic acids (HAs) on physiological processes (photosynthesis, respiration, and abundance) of green microalga Chlorella vulgaris has been studied, and the relationships between the physiological activity of HAs and their structural parameters have been investigated. It has been found that the optimum range of HA concentrations for the growth of C. vulgaris is 0.01-0.03%. In this range, the highest positive effect on total photosynthesis increment is due to hydrophilic HA preparations from fallow soddypodzolic soil (Albic Retisol) and virgin gray soil (Luvic Greyzemic Phaeozem). The minimum stimulation of respiration is noted for all HA preparations in the region of the maximum photosynthesis stimulation. At concentrations above 0.003%, all HA preparations have a negative effect: the rate of photosynthesis in C. vulgaris cells decreases, and their respiration is strongly enhanced. The abundance of C. vulgaris under the effect of all of the studied preparations under illumination increases more rapidly than in the dark. A high positive coefficient of correlation is found between the hydrophilicity of HAs calculated from C-13 NMR data and the photosynthesis rate in C. vulgaris.",
keywords = "humic substances, physiological activity, photosynthesus, respiration, soil biota, 13C-NMR, amphiphily of humic acids, SOIL ORGANIC-MATTER, SUBSTANCES, ROOT, VERMICOMPOST, ARABIDOPSIS, EXPRESSION, GROWTH",
author = "Toropkina, {M. A.} and Ryumin, {A. G.} and Kechaikina, {I. O.} and Chukov, {S. N.}",
year = "2017",
month = nov,
doi = "10.1134/S1064229317110126",
language = "Английский",
volume = "50",
pages = "1294--1300",
journal = "Eurasian Soil Science",
issn = "1064-2293",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "11",

}

RIS

TY - JOUR

T1 - Effect of Humic Acids on the Metabolism of Chlorella vulgaris in a Model Experiment

AU - Toropkina, M. A.

AU - Ryumin, A. G.

AU - Kechaikina, I. O.

AU - Chukov, S. N.

PY - 2017/11

Y1 - 2017/11

N2 - The effect of humic acids (HAs) on physiological processes (photosynthesis, respiration, and abundance) of green microalga Chlorella vulgaris has been studied, and the relationships between the physiological activity of HAs and their structural parameters have been investigated. It has been found that the optimum range of HA concentrations for the growth of C. vulgaris is 0.01-0.03%. In this range, the highest positive effect on total photosynthesis increment is due to hydrophilic HA preparations from fallow soddypodzolic soil (Albic Retisol) and virgin gray soil (Luvic Greyzemic Phaeozem). The minimum stimulation of respiration is noted for all HA preparations in the region of the maximum photosynthesis stimulation. At concentrations above 0.003%, all HA preparations have a negative effect: the rate of photosynthesis in C. vulgaris cells decreases, and their respiration is strongly enhanced. The abundance of C. vulgaris under the effect of all of the studied preparations under illumination increases more rapidly than in the dark. A high positive coefficient of correlation is found between the hydrophilicity of HAs calculated from C-13 NMR data and the photosynthesis rate in C. vulgaris.

AB - The effect of humic acids (HAs) on physiological processes (photosynthesis, respiration, and abundance) of green microalga Chlorella vulgaris has been studied, and the relationships between the physiological activity of HAs and their structural parameters have been investigated. It has been found that the optimum range of HA concentrations for the growth of C. vulgaris is 0.01-0.03%. In this range, the highest positive effect on total photosynthesis increment is due to hydrophilic HA preparations from fallow soddypodzolic soil (Albic Retisol) and virgin gray soil (Luvic Greyzemic Phaeozem). The minimum stimulation of respiration is noted for all HA preparations in the region of the maximum photosynthesis stimulation. At concentrations above 0.003%, all HA preparations have a negative effect: the rate of photosynthesis in C. vulgaris cells decreases, and their respiration is strongly enhanced. The abundance of C. vulgaris under the effect of all of the studied preparations under illumination increases more rapidly than in the dark. A high positive coefficient of correlation is found between the hydrophilicity of HAs calculated from C-13 NMR data and the photosynthesis rate in C. vulgaris.

KW - humic substances

KW - physiological activity

KW - photosynthesus

KW - respiration

KW - soil biota

KW - 13C-NMR

KW - amphiphily of humic acids

KW - SOIL ORGANIC-MATTER

KW - SUBSTANCES

KW - ROOT

KW - VERMICOMPOST

KW - ARABIDOPSIS

KW - EXPRESSION

KW - GROWTH

U2 - 10.1134/S1064229317110126

DO - 10.1134/S1064229317110126

M3 - статья

VL - 50

SP - 1294

EP - 1300

JO - Eurasian Soil Science

JF - Eurasian Soil Science

SN - 1064-2293

IS - 11

ER -

ID: 36574759