Results 141 to 150 of about 1,371 (189)

Systematic Review on CyanoHABs in Central Asia and Post-Soviet Countries (2010-2024). [PDF]

Toxins (Basel)
Kastuganova K, Nugumanova G, Barteneva NS.   +2 more
europepmc   +1 more source

Biotic interactions shape the realised niche of toxic cyanobacteria

Ntetsika P, Eyring S, Merz E, Reyes M, Käch B, Munch S, Dennis S, Baity-Jesi M, Pomati F.   +8 more
europepmc   +1 more source

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Ion metabolism in a halophilic blue-green alga, Aphanothece halophytica

Archives of Microbiology, 1976
The intracellular ion content of the halophilic blue-green alga, Aphanthece halophytica was studied as a function of age, external sodium and external potassium concentration. Intracellular Na+ was found to be about 0.38 millimoles/g dry mass. Intracellular K+ concentrations were as high as 1 M and varied directly with external salinity.
Donald M Miller
exaly   +3 more sources

Plasma membrane lipid composition of the halophilic cyanobacterium Aphanothece halophytica

Archives of Microbiology, 1993
The plasma membrane from Aphanothece halophytica was isolated using both glycerol and sucrose gradient centrifugation. The isolated membrane was characterized for lipid content by TLC and isolated lipids were quantified by chemical analysis. The plasma membrane of A. halophytica was composed of MGDG, DGDG and PG.
Darryl Ritter, John H. Yopp
exaly   +2 more sources

Rates of CO2 removal by Aphanothece microscopica Nägeli in tubular photobioreactors

Chemical Engineering and Processing: Process Intensification, 2008
Abstract The integral method for the analysis of kinetic data was used to describe the removal of carbon dioxide dissolved in the aqueous phase of a tubular photobioreactor by Aphanothece microscopica Nageli. The effects of the carbon dioxide concentration (3, 15, 25, 50 and 62%), light intensity (960, 3000, 6000, 9000 and 11,000 lux) and temperature
Eduardo Jacob-Lopes, Carlos Henrique Gimenes Scoparo, Telma Teixeira Franco   +2 more
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The Cyanobacteria Genus Aphanothece: Bioactive Compounds and Applications in Biotechnology

Applied Biochemistry and Biotechnology
Aphanothece is a genus of colonial cyanobacteria with a global distribution that is found in various aquatic and terrestrial environments. It has garnered interest because of its high content of amino acids, carbohydrates, fatty acids, and pigments, which possess bioactive and biotechnological properties.
Ronald Tarazona Delgado, Rui dos Santos Ferreira Filho, Carlos Rafael Borges Mendes   +2 more
openaire   +2 more sources

Purification and Kinetic Properties of Betaine-Homocysteine Methyltransferase from Aphanothece halophytica

Current Microbiology, 2001
Betaine-homocysteine methyl transferase (BHMT) from Aphanothece halophytica was purified to homogeneity by hydroxyapatite, DEAE-Sepharose CL-6B and Sephadex G-200 column chromatography. A 24-fold purification and 11% overall yield were achieved with a specific activity of 595 nmol h(-1) mg(-1).
R, Waditee, A, Incharoensakdi
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CELL WALL CONSTITUENTS OF APHANOTHECE HALOPHYTICA (CYANOPHYTA)¹

Journal of Phycology, 1979
ABSTRACTSome aspects of the cell wall and extracellular polysaccharide (ECPS) of the obligate halophile Aphanothece halophytica Frémy (Chroococcales) have been investigated. Extracellular polysaccharide concentration was found to remain constant on a per cell basis in medium containing from 1–3 M NaCl.
Jay H. Jones, John H. Yopp
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Ribulose 1,5-bisphosphate carboxylase from the halophilic cyanobacterium Aphanothece halophytica

Archives of Biochemistry and Biophysics, 1983
Various structural and functional properties of ribulose 1,5-bisphosphate carboxylase/oxygenase (RuBisCO) isolated from the halophilic cyanobacterium (blue-green alga) Aphanothece halophytica were reexamined. The ready dissociation of this algal RuBisCO during sedimentation in a linear sucrose density gradient was observed.
S, Asami, T, Takabe, T, Akazawa, G A, Codd   +3 more
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Salt stress enhances choline uptake in the halotolerant cyanobacterium Aphanothece halophytica

Biochimica et Biophysica Acta (BBA) - General Subjects, 2003
The uptake of [14C]choline by a suspension of exponential-phase Aphanothece halophytica under various conditions has been studied. Salt stress was found to enhance the uptake of choline. The kinetics of choline transport followed the Michaelis-Menten relationship with apparent K(m) values of 272 and 286 microM, maximum rates of transport (V(max)) of 18
Aran, Incharoensakdi, Aphichart, Karnchanatat   +1 more
openaire   +2 more sources