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Topic: Mesophile


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  NationMaster - Encyclopedia: Mesophile
Mesophilic organisms have important uses in food preparation especially in cheese and yoghurt making and in beer and wine making.
The peak of reproductive and activity of mesophilic bacteria is reached between 86-99°F (30-37°C), and further increases the temperature in the soil environment.
Mesophilic bacteria are also involved in food contamination and degradation, such as in bread, grains, dairies, and meats.
www.nationmaster.com /encyclopedia/Mesophile   (0 words)

  
 Mesophile   (Site not responding. Last check: )
A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, typically between 20 and 45 °C (68 and 113 °F) with an optimal temperature near 37 °C (98 °F), which is the normal temperature of the human body.
The habitats of these organisms include soil, the human body, animals, etc. The optimal temperature of pathogenic mesophiles, is 37 °C (98 °F), the normal human body temperature.
Mesophilic organisms have important uses in food preparation especially in cheese and yoghurt making and in beer and wine making.
mesophile.iqnaut.net   (136 words)

  
 GE Energy - Biogases
As a metabolic product of the participating methane bacteria, the prerequisites for its production are a lack of oxygen, a pH value from 6.5 to 7.5 and a constant temperature of 15°C (psychrophile), 35°C (mesophile) or 55°C (thermophile).
The fermentation period is approximately 10 days for thermophiles, 25 to 30 days for mesophiles and 90 to 120 days for psychrophile bacteria.
The fermentation systems of today operate largely within the mesophile temperature range.
www.gepower.com /prod_serv/products/recip_engines/en/gas_types/biogas_landfill.htm   (521 words)

  
 mesophile - The Wordbook Encyclopedia
A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, typically between 25 and 40 °C (77 and 104 °F).
The habitats of these organisms include soil, the human body, animals, etc. The optimal temperature of many pathogenic mesophiles is 37 °C (98 °F), the normal human body temperature.
Organisms that prefer cold environments are termed psychrophilic, those preferring warmer temperatures are termed thermophilic and those thriving in extremely hot environments are hyperthermophilic.
www.thewordbook.com /mesophile   (190 words)

  
 Mesophile Summary
Mesophiles are microorganisms such as some species of Bacteria, Fungi, and even some Archaea that are best active at median temperatures.
Examples of common mesophilic bacteria are Listeria monocytogenes, Pesudomonas maltophilia, Thiobacillus novellus, Staphylococcus aureus, Streptococcus pyrogenes, Streptococcus pneumoniae, Escherichia coli, and Clostridium kluyveri.
Bacterial infections in humans are mostly caused by mesophilic bacteria that find their optimum growth temperature around 37°C (98.6°F), the normal human body temperature.
www.bookrags.com /Mesophile   (0 words)

  
 McDonald 2001   (Site not responding. Last check: )
Asymmetrical patterns of amino acid substitution in proteins of organisms living at moderate and high temperatures (mesophiles and thermophiles, respectively) are generally taken to indicate selection favoring different amino acids at different temperatures due to their biochemical properties.
A previous comparison of mesophilic vs. thermophilic Methanococcus with mesophilic vs. thermophilic Bacillus revealed several pairs of amino acids for which one amino acid is favored in thermophilic Bacillus and the other is favored in thermophilic Methanococcus.
To summarize, the dramatic substitutional asymmetries observed between proteins from mesophiles and thermophiles are inconsistent with a simple neutral model of protein evolution, but they may not all be the result of temperature adaptation due to biochemical properties of the amino acids.
udel.edu /~mcdonald/msmcd01.html   (4397 words)

  
 Mesophile - Article from FactBug.org - the fast Wikipedia mirror site
A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, typically between 20 and 45 °C (68 and 113 °F) with an optimal temperature near 37 °C (98 °F), which is the normal temperature of the human body.
Most organisms that are pathogenic to humans are mesophiles.
The habitats of these organisms include soil, the human body, animals, etc. The optimal temperature of pathogenic mesophiles, is 37 °C (98 °F), the normal human body temperature.
www.factbug.org /cgi-bin/a.cgi?a=300420   (0 words)

  
 Mesophiles
Most of the microorganisms on earth belong to the group of mesophiles.
If the temperature is just right, mesophiles can double their population in just 30 minutes.
Mesophiles reproduce through mitosis, cell division, or by sexual reproduction with a male or female bacteria.
library.thinkquest.org /CR0212089/meso.htm   (239 words)

  
 J. Biochem. 130, pp. 107-118 (2001)[body text]
The conformations of general globular proteins from mesophiles are marginally maintained by a combination of many positive (such as hydrogen bonds and hydrophobic interaction) and negative (such as entropic factors and steric hindrance) factors for stabilization (1).
All values are greater than the average number (0.04) in mesophile proteins (47).
In PfPCP, 31 residues are involved in the formation of 20 ion pairs: 6 ion pairs with 6 residues form an ion pair network between subunits (A and D, or B and C) (Fig.
wwwsoc.nii.ac.jp /jbiochem/jb/130-1/1faaedtx.htm   (0 words)

  
 mesófilos, heterotróficos viables (Spanish to English translation glossary) bacteriología viable,Biology ...
Their behaviour in response to pressurization was similar to that of the viable mesophiles; the statistical results are shown in Table 5.
The viable mesophile bacteria and fungi in the formu-.
The viable mesophile bacteria and fungi in the formulas were determined by the pour-plate method (USP, 2000).
www.proz.com /kudoz/1606642   (406 words)

  
 Aromatic clusters: a determinant of thermal stability of thermophilic proteins -- Kannan and Vishveshwara 13 (11): 753 ...
cluster residues of the thermophile and its mesophilic homologue
The superimposed structures of the thermophilic neutral protease (1THL) and the mesophilic protease (1NPC) of family 1.
The cluster residues in the thermophile (dark) and the topologically equivalent residues in the mesophile are shown in ball-and-stick representation (Kraulis, 1991
peds.oxfordjournals.org /cgi/content/full/13/11/753   (4117 words)

  
 Open Questions   (Site not responding. Last check: )
The mechanisms by which thermophilic proteins attain their increased thermostability remain unclear, as usually the sequence and structure of these proteins are very similar to those of their mesophilic homologues.
The circular dichroism signal was monitored as a function of temperature and guanidinium chloride concentration, and the resulting free energies of unfolding were fit to the Gibbs-Helmholtz equation to obtain a set of thermodynamic parameters for these proteins.
Looking through some of the recent literature, it appears that the increased thermodynamic stability seems to be the currently accepted explanation and several groups claim that extremozymes are approximately 5 kcal/mol more stable than their mesophilic counterpart as judged from equilibrium denaturation studies.
www.ruppweb.org /PA/questions.htm   (708 words)

  
 We are studying the structural differences between three highly related adenylate kinases (AKs) from three members of ...
We are studying the structural differences between three highly related adenylate kinases (AKs) from three members of the Methanococcus genus of the Archae: the mesophile M.
The availability of such closely related enzymes that display such variation presents an excellent opportunity to study the basis of thermostability in this family of proteins.
To this aim, we have identified crystallization conditions for all of the Methanococcus AKs and, using molecular replacement methods, have subsequently solved the structures of the mesophilic and thermophilic enzymes.
www.tamu.edu /struct/SWMS/rice-abstract.html   (0 words)

  
 Method of producing biogas and compost - Patent 4565552
In the mesophile production of biogas, the temperature of the liquid used during anaerobic, methanogenic, fermentation is raised to the required temperature (about 35.degree.
For mesophile fermentation and thermophile fermentation, the required temperature is achieved by heating the mass of matter and liquid with ad hoc means.
Further, when the matter is heaped, as is the case with a batch-feed process involving vats, it is difficult if not impossible to achieve appropriate heating of the matter thus leading to inefficient fermentation.
www.freepatentsonline.com /4565552.html   (3735 words)

  
 Mesophile - Qwika
Mesophile A mesophile is an organism that grows best in...
Mesophile: An organism that thrives in temperatures between...
It is clearly on mesophile to hygrophile Forests and bushes bind.
www.qwika.com /find/Mesophile   (367 words)

  
 Thermal adaptation analyzed by comparison of protein sequences from mesophilic and extremely thermophilic Methanococcus ...
We compiled mesophile sequence data comprised of (i) the new sequence data from M.
Table 1 summarizes the net change in amino acid composition between the mesophile and thermophile proteins.
Stability of the 'L12 stalk' in ribosomes from mesophilic and (hyper)thermophilic Archaea and Bacteria
www.pnas.org /cgi/content/full/96/7/3578   (4578 words)

  
 Factors enhancing protein thermostability -- Kumar et al. 13 (3): 179 -- Protein Engineering Design and Selection
to buried and exposed surfaces in thermophilic and mesophilic
For PGK the melting temperatures of the thermophilic and mesophilic
A positive change indicates that the thermophilic protein has a higher content as compared with its mesophilic homolog, while a negative change indicates that the thermophilic protein has a lower content than its mesophilic homolog.
peds.oxfordjournals.org /cgi/content/full/13/3/179   (5404 words)

  
 Hot sequence shuffle   (Site not responding. Last check: )
They compared a protein from thermophile bacteria with an analogous protein from their cousins, the 'mesophiles', which thrive at more moderate temperatures.
Both proteins are made up of about 66 amino acids; they do the same job, so they are the same shape.
The experiment also works in reverse: mesophile proteins given these key residues become more heat stable, the team reports.
www.mindswap.org /2002/nature/000504-8.xml   (529 words)

  
 Amazon.com: Mesophile: Books   (Site not responding. Last check: )
Rather, the LCA was part of an ancestral population of mesophiles (organisms inhabiting settings with moderate temperatures).
Mesophiles (i.e., mesophilic bacteria) grow best at temperatures in a range...
The second category are the mesophilic bacteria, or mesophiles.
www.amazon.com /s?ie=UTF8&keywords=Mesophile&tag=httpexplaguid-20&index=books&link_code=qs&page=1   (870 words)

  
 Plants Along the Borders - Belasitsa Planina
Three main vegetation belts can clearly be identified - mesophile and xeromesophile oak forests, mesophile beech forests, and the subalpine belt.
The main habitats are broad-leaved decidious forests; alpine and subalpine grasslands; temperate heath and scrub; Sclerophyllous scrub; dry grasslands; coniferous forests; inland surface waters; and croplands and orchards.
The habitats with the highest value for conservation are the chestnut woods, south-eastern moesian bedstraw-beech forests, moesian mesophile oak-hornbeam forest and Helleno-Balkanic riparian plane forests.
www.rec.org /REC/Programs/EnvironmentalPolicy/IPA/BelasitsaPlanina.htm   (382 words)

  
 Executive Council Retreat   (Site not responding. Last check: )
These questions are relevant beyond Earth as low temperature is a common theme throughout the Universe and our solar system, including Mars and Europa, where life may have existed (still exists?) in the past.
We are conducting “test tube evolution” experiments to see how a mesophile (Escherichia coli), with a given gene complement, can adapt to cold/freezing temperatures.
In addition, we are studying permafrost bacteria to determine whether low temperature fitness primarily reflects quantitative adaptations (i.e., selection for cold tolerant gene alleles) or whether qualitative adaptations (i.e., novel genes that enable organisms to cope with low/freezing temperature) have a significant role.
nai.arc.nasa.gov /ecretreat/michigan_abstract.cfm   (455 words)

  
 HoSt
At a poultry farm in Moldova, Host has built a mesophile fermentation unit for the production of electricity and heat with a combined heat and power unit
At a poultry farm in Moldova, Host has built a mesophile fermentation unit.
Out of wet chicken manure, biogas is generated which is converted into electrical and thermal energy in a combined heat and power installation (CHP).
www.host.nl /project/php/project_id=98&language=Eng   (253 words)

  
 Patterns of Temperature Adaptation in Proteins from the Bacteria Deinococcus radiodurans and Thermus thermophilus -- ...
A in the mesophile and B in the thermophile, is usually interpreted
The four amino acids with the greatest differences between the TAI values for the two pairs of taxa are identified: N, asparagine; D, aspartic acid; C, cysteine; I, isoleucine
between the pairs of mesophilic and thermophilic taxa were estimated.
mbe.oxfordjournals.org /cgi/content/full/18/5/741   (4139 words)

  
 EVALUATION OF HYDROGEN PEROXIDE AS ALTERNATIVE TO THE USE OF SODIUM HYPOCHLORITE IN FRESH-CUT ´PÉROLA´ PINEAPPLE
Microbiological analyses were made every 3 days, for 12 days for mesophile aerobic, mold and yeast counts.
Although the sanitation agents did not interfere with physical, chemical, biochemical and sensorial characteristics of fresh-cut pineapple, they were inefficient at reducing mesophile aerobic, mold and yeast endophytic population.
Therefore, further studies must be carried out to evaluate the potential of hydrogen peroxide as a sanitation agent.
www.actahort.org /books/682/682_249.htm   (259 words)

  
 Introductory Microbiology
A psychrophile is an organism that can survive in a n acidic environment
A mesophile is an organism that can live at high temperatures
An osmophile is an organism that survives in an environment that has a low concentration of ions in it.
www.fiu.edu /~okuboc/inmi2nd1994.html   (748 words)

  
 SIBW/Sites/Base de données des sites CORINE   (Site not responding. Last check: )
Ericion tetralicis, Mesophile grasslands with few fertilizers, Alnetalia glutinosae, Magnocaricion.
Description : Large alluvial depression at the confluence of the rivers Demer,Herk, Gete, Velp and Mangelbeek, with humid and mesophile grasslands and small areas of alluvial forests and acidophilous oakwoods.
Description : Seasonally flooded mesophile grasslands (meadows and pasture) covering the former meanders in the aluvial plain of the Meuse river, with several small willow forests and poplar stands, a complexof clay-pits, hedges and water fringe vegetation.
mrw.wallonie.be /cgi/dgrne/sibw/sibw.corine.des.pl   (5479 words)

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