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Article
Determination of the Promising Microalgal Strain for Bioremediation of the Aquaculture Wastewater
Applicability of three strains of green microalgae (Chlorella vulgaris SP BB-2, Parachlorella kessleri, and Chlamydomonas reinhardtii Dangeard СС-124) for bioremediation (contaminants removal) of aquaculture wast...
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Article
Assessment of the Biotechnological Potential of Cyanobacterial and Microalgal Strains from IPPAS Culture Collection
A search for strains capable of the simultaneous production of high amounts of several biologically valuable compounds and/or high biomass productivity has been carried out. The growth characteristics and bioc...
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Article
Effect of Cadmium Ions on Some Biophysical Parameters and Ultrastructure of Ankistrodesmus sp. В-11 Cells
Effects of low concentrations of cadmium ions on growth, photosynthesis, and cell ultrastructure of microalga Ankistrodesmus sp. B-11 were investigated. The addition of cadmium to growth medium at concentrations ...
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Article
Effect of Fungal Infection with Bipolaris sorokiniana on Photosynthetic Light Reactions in Wheat Analyzed by Fluorescence Spectroscopy
Common root rot is a widespread cereal disease caused by a plant pathogenic fungus Bipolaris sorokiniana. The influence of fungal infection on photosynthetic light reactions in soft wheat has been studied by a si...
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Article
Substrate Specificity of Acyl-Lipid Δ9-Desaturase from Cyanobacterium sp. IPPAS B-1200, a Cyanobacterium with Unique Fatty Acid Composition
Cyanobacterium sp. IPPAS B-1200 is characterized by a high content of rare fatty acids (FAs), both myristic (14:0–30%) and myristoleic (14:1Δ9–10%) in the membrane lipids. Thus, short-chain FAs reach 40% of the s...
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Article
Consortium of Higher Aquatic Plants and Microalgae Designed to Purify Sewage of Heavy Metal Ions
We selected higher aquatic plants (HAP) and microalgae possessing a high sorption capacity in respect to heavy metals to form a consortium designed to purify contaminated aquatic ecosystems. Accumulation of he...
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Article
Isolation and Characterization of Toxic Cyanobacteria from Different Natural Sources
We isolated seven algologically and five bacteriologically pure cultures of toxin-producing cyanobacteria from Turgen gorge (Kazakhstan), Karlovy Vary (Czech Republic), and Shar-Nuur Lake, Bayan Ulgiiregion (M...
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Article
Substrate specificity of acyl-lipid Δ9-desaturase from Prochlorothrix hollandica cyanobacterium producing myristoleic acid
Chlorophyll b-containing cyanobacterium Prochlorothrix hollandica is characterized by a high content of esterified fatty acids (FA) with 14 and 16 carbon atoms in the membrane lipids. Depending on the conditions ...
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Article
Effect of chromate ions on marine microalgae Phaeodactylum tricornutum
Effect of chromate ions on the culture of a marine diatom Phaeodactylum tricornutum was studied using an M-PEA-2 fluorimeter, which carries out simultaneous measurement of fluorescence induction and redox transfo...
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Article
Optimization of Prochlorothrix hollandica cyanobacteria culturing for obtaining myristoleic acid
Plankton filament cyanobacteria Prochlorothrix hollandica is characterized by a very high content of C14 and C16 fatty acids (FA) in the lipid membranes. Depending on culturing conditions of the cyanobacteria, to...
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Article
Estimation of biophysical characteristics for Chlamydomonas reinhardtii pigment mutants with an M-PEA-2 fluorometer
Light green pigment mutants with a reduced chlorophyll b content were constructed in the microalga Chlamydomonas reinhardtii Dangeard. A simultaneous recording of the induction curves for prompt and delayed fluor...
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Article
Pigment mutants of the green microalga Chlamydomonas reinhardtii: Morphological properties and photosynthetic performance
Pigment mutants CC-124y-1, СС-124у-2, and СС-124р-2 of the green microalga Chlamydomonas reinhardtii Dangeard were obtained by means of UV-induced mutagenesis. Morphological properties and photosynthetic activity...
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Article
Effect of methylmercury on the light dependence fluorescence parameters in a green alga Chlamydomonas moewusii
The effect of a dangerous toxic substance, methylmercury, on light dependence curves of chlorophyll fluorescence in Chlamydomonas moewusii was studied. We found low concentration of methylmercury (10–7 M) to caus...
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Article
Erratum to: “Isolation, mutagenesis, and optimization of cultivation conditions of microalgal strains for biodiesel production”
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Article
Promising microbial consortia for producing biofertilizers for rice fields
Two cyanobacterial cultures from rice paddies of Kyzylorda Provence, Kazakhstan were isolated and characterized: Anabaena variabilis and Nostoc calsicola. Based on these cultures, new consortia of cyanobacteria, ...
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Article
Isolation, mutagenesis, and optimization of cultivation conditions of microalgal strains for biodiesel production
Algalogically pure cultures were isolated from different aquatic ecosystems and identified as representatives of green algae, euglena algae, and cyanobacteria. Isolated cultures and collection strains of micro...
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Article
Effect of silver nanoparticles on the parameters of chlorophyll fluorescence and P700 reaction in the green alga Chlamydomonas reinhardtii
Acute toxicity of silver nanoparticle (AgNP) for photosynthesis in Chlamydomonas reinhardtii was studied using an M-PEA2 fluorimeter. Analysis of the fluorescence induction curves in the presence of AgNP at low c...
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Article
Evaluating new isolates of microalgae from Kazakhstan for biodiesel production
New microalgal strains that are native to South-East Kazakhstan were isolated and characterized with a view to identifying suitable candidates for biodiesel production. Six strains of chlorophyte algae (named ...
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Article
Construction of cyanobacterial-bacterial consortium on the basis of axenic cyanobacterial cultures and heterotrophic bacteria cultures for bioremediation of oil-contaminated soils and water ponds
The ways of the creation of cyanobacterial-bacterial communities with a high remediation potential for cleaning of oil-contaminated soils and water reservoirs are considered. A special methodology was elaborat...
