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Mechanisms of Halotolerance in Microorganisms
CRC Critical Reviews in Microbiology, 1987Microorganisms have the ability to adapt to a wide range of NaCl concentrations. In general the NaCl tolerance shown by microbes far exceeds the salt tolerance of any other organism, procryote or eukaryote. There are at least three mechanisms available for adaptation to different salt concentrations.
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Journal of Basic Microbiology, 2015
β‐Galactosidase from halotolerant Aspergillus tubingensis GR1 was purified by two‐step purification process comprising ammonium sulfate precipitation followed by size exclusion chromatography (SEC). The recovery of β‐galactosidase after SEC was found to be 1.40% with 58.55‐fold increase in specific activity.
Gopalkumar G, Raol +3 more
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β‐Galactosidase from halotolerant Aspergillus tubingensis GR1 was purified by two‐step purification process comprising ammonium sulfate precipitation followed by size exclusion chromatography (SEC). The recovery of β‐galactosidase after SEC was found to be 1.40% with 58.55‐fold increase in specific activity.
Gopalkumar G, Raol +3 more
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Halotolerance mechanisms of the methanotroph Methylomicrobium alcaliphilum
Biotechnology and Bioengineering, 2020AbstractMethylomicrobium alcaliphilum is an alkaliphilic and halotolerant methanotroph. The physiological responses of M. alcaliphilum to high NaCl concentrations, were studied using RNA sequencing and metabolic modeling. This study revealed that M. alcaliphilum possesses an unusual respiratory chain, in which complex I is replaced by a Na+ extruding ...
Sergio Bordel +6 more
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Halophily and halotolerance in cyanophytes
Origins of Life, 1980The survival, growth and distribution of organisms in hypersaline environments is discussed using cyanophytes (cyanobacteria) as examples. The distinction between halophilic (Na+-requiring) and halotolerant organisms is not adequate to describe the entire spectrum of adaptations to salt.
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Na+-ATPases of halotolerant microalgae
Russian Journal of Plant Physiology, 2013Na+ homeostasis in the cytoplasm is a common property of all organisms, irrespective of their taxonomic position. Low Na+ concentrations in the cytoplasm of living cells are maintained by specialized Na+-transporting molecular machines operating in the cell membranes.
L. G. Popova, Yu. V. Balnokin
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Characterization of a metagenome-derived halotolerant cellulase
Journal of Biotechnology, 2006Metagenomes of uncultured microorganisms represent a sheer unlimited resource for discovery of novel biocatalysts. Here, we report on the biochemical characterisation of a novel, soil metagenome-derived cellulase (endoglucanase), Cel5A. The deduced amino acid sequence of Cel5A was similar to a family 5, single domain cellulase with no distinct ...
S, Voget, H L, Steele, W R, Streit
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Glycolipids of a halotolerant, moderately halophilic bacterium
Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, 1978A 247 000 x g particulate fraction from a moderately halophilic halotolerant bacterium incorporated [14C] glucose added as UDP[14C]glucose and 32P-labeled phosphatidylglycerol into glucosylphosphatidylglycerol. Exogenously added phosphatidylglycerol was available to the enzyme only when dispersed in a detergent, preferably Triton X-405, by sonication ...
N, Stern, A, Tietz
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The phylogeny of unicellular, extremely halotolerant cyanobacteria
Archives of Microbiology, 1998We examined the morphology, physiology, and 16S rRNA gene sequences of three culture collection strains and of ten novel isolates of unicellular cyanobacteria from hypersaline environments. The strains were morphologically diverse, with average cell widths ranging from 2.8 to 10.3 micron. There were single-celled, colonial, and baeocyte-forming strains.
Garcia-Pichel, F. +2 more
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Halotolerance of the yeast Arxula adeninivorans LS3
Antonie van Leeuwenhoek, 2000The non-pathogenic, dimorphic, ascomycetous yeast Arxula adeninivorans LS3 is halotolerant. It can grow in a minimal medium containing up to 20% NaCl. The growth parameters are only weakly influenced by 10% NaCl. However, NaCl in a concentration higher than 10% causes a decrease in the specific growth rate, a longer adaptation phase and a lower cell ...
X X, Yang +3 more
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Gıda Tuzlarında Halotolerant Bakterilerin İncelenmesi
2021Twenty-five food salts, collected from seven-country, were examined for moisture contents and ash contents, pH values, total numbers of bacteria, and total numbers of bacteria halotolerant bacteria. The growth and biochemical reactions of halotolerant bacteria at different NaCl concentrations, pH, and temperature values were investigated.
BİRBİR, Meral +2 more
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