Results 251 to 260 of about 2,142,190 (311)
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2008
Microorganisms comprise about half of the biomass on our planet and play a key role in the biogeochemical cycling of elements like carbon, nitrogen, and sulfur. Furthermore, due to their small size and short generation time, microorganisms provide ideal model systems for the study of many universal ecological processes.To understand the population ...
Passarge, J., Huisman, J.
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Microorganisms comprise about half of the biomass on our planet and play a key role in the biogeochemical cycling of elements like carbon, nitrogen, and sulfur. Furthermore, due to their small size and short generation time, microorganisms provide ideal model systems for the study of many universal ecological processes.To understand the population ...
Passarge, J., Huisman, J.
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Annual Review of Microbiology, 2017
Expansins are small proteins that loosen plant cell walls and cellulosic materials without lytic activity. First discovered in plants, expansin genes are found in the genomes of numerous bacteria and fungi that interact with plants in pathogenic and mutualistic patterns, as well as in microbes that feed on plant debris.
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Expansins are small proteins that loosen plant cell walls and cellulosic materials without lytic activity. First discovered in plants, expansin genes are found in the genomes of numerous bacteria and fungi that interact with plants in pathogenic and mutualistic patterns, as well as in microbes that feed on plant debris.
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Science, 1981
Populations of microorganisms inhabiting a common environment compete for nutrients and other resources of the environment. In some cases, the populations even excrete into the environment chemicals that are toxic or inhibitory to their competitors. Competition between two populations tends to eliminate one of the populations from their common habitat,
Fredrickson, A. G. +1 more
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Populations of microorganisms inhabiting a common environment compete for nutrients and other resources of the environment. In some cases, the populations even excrete into the environment chemicals that are toxic or inhibitory to their competitors. Competition between two populations tends to eliminate one of the populations from their common habitat,
Fredrickson, A. G. +1 more
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Cellular and Molecular Life Sciences, 2009
Temperature is among the most important of the parameters that free-living microbes monitor. Microbial physiology needs to be readjusted in response to sudden temperature changes. When the ambient temperature rises or drops to potentially harmful levels, cells mount protective stress responses--so-called heat or cold shock responses, respectively ...
Birgit, Klinkert, Franz, Narberhaus
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Temperature is among the most important of the parameters that free-living microbes monitor. Microbial physiology needs to be readjusted in response to sudden temperature changes. When the ambient temperature rises or drops to potentially harmful levels, cells mount protective stress responses--so-called heat or cold shock responses, respectively ...
Birgit, Klinkert, Franz, Narberhaus
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2017
Biomarkers, defined in ecotoxicology as functional measures of exposure to chemicals, may not be informative on the consequences of exposure at the scale of interest, which is the entire ecosystem. This drawback is because links and interactions existing between these measures and the biological system at a larger scale are not always sufficiently ...
Guasch, H. +3 more
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Biomarkers, defined in ecotoxicology as functional measures of exposure to chemicals, may not be informative on the consequences of exposure at the scale of interest, which is the entire ecosystem. This drawback is because links and interactions existing between these measures and the biological system at a larger scale are not always sufficiently ...
Guasch, H. +3 more
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2022
The first microbial rhodopsin, a light-driven proton pump bacteriorhodopsin from Halobacterium salinarum (HsBR), was discovered in 1971. Since then, this seven-α-helical protein, comprising a retinal molecule as a cofactor, became a major driver of groundbreaking developments in membrane protein research.
Gordeliy, V. +9 more
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The first microbial rhodopsin, a light-driven proton pump bacteriorhodopsin from Halobacterium salinarum (HsBR), was discovered in 1971. Since then, this seven-α-helical protein, comprising a retinal molecule as a cofactor, became a major driver of groundbreaking developments in membrane protein research.
Gordeliy, V. +9 more
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1990
Levans are natural polymers of the sugar fructose found in many plants and microbial products. Like dextrans, they are formed as an undesirable by-product of sugar juice processing. On the other hand, levans, which can only be produced from sucrose, have potential industrial applications as thickeners and encapsulating agents and could provide ...
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Levans are natural polymers of the sugar fructose found in many plants and microbial products. Like dextrans, they are formed as an undesirable by-product of sugar juice processing. On the other hand, levans, which can only be produced from sucrose, have potential industrial applications as thickeners and encapsulating agents and could provide ...
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The American Journal of Medicine, 1987
For more than a century, medical investigators have sought to incriminate microorganisms in the cause of cancer. The first scientific evidence of such a relationship came in 1911, with the first successful induction of a tumor using a cell-free extract.
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For more than a century, medical investigators have sought to incriminate microorganisms in the cause of cancer. The first scientific evidence of such a relationship came in 1911, with the first successful induction of a tumor using a cell-free extract.
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2018
Microbial rhodopsins (MRs) are a large family of photoactive membrane proteins, found in microorganisms belonging to all kingdoms of life, with new members being constantly discovered. Among the MRs are light-driven proton, cation and anion pumps, light-gated cation and anion channels, and various photoreceptors.
Ivan, Gushchin, Valentin, Gordeliy
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Microbial rhodopsins (MRs) are a large family of photoactive membrane proteins, found in microorganisms belonging to all kingdoms of life, with new members being constantly discovered. Among the MRs are light-driven proton, cation and anion pumps, light-gated cation and anion channels, and various photoreceptors.
Ivan, Gushchin, Valentin, Gordeliy
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1995
Carotenoids occur universally in photosynthetic organisms but sporadically in nonphotosynthetic bacteria and eukaryotes. The primordial carotenogenic organisms were cyanobacteria and eubacteria that carried out anoxygenic photosynthesis. The phylogeny of carotenogenic organisms is evaluated to describe groups of organisms which could serve as sources ...
E A, Johnson, W A, Schroeder
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Carotenoids occur universally in photosynthetic organisms but sporadically in nonphotosynthetic bacteria and eukaryotes. The primordial carotenogenic organisms were cyanobacteria and eubacteria that carried out anoxygenic photosynthesis. The phylogeny of carotenogenic organisms is evaluated to describe groups of organisms which could serve as sources ...
E A, Johnson, W A, Schroeder
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