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Topic: Halophile


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In the News (Sat 28 Nov 09)

  
  Halophile - Wikipedia, the free encyclopedia
Halophiles are extremophiles that thrive in environments with very high concentrations of salt (at least 0.2 M).
Of particular note are the extreme halophiles or halobacteria, a group of archaea, which require at least 2 M of salt and are usually found in saturated solutions.
Halophiles adapt to salty enviroments by developing "purple membranes." Among the adaptations that halophiles employ to survive in such environments are proteins evolved to function in high ionic strength solution, and maintaining high concentrations of inert solutes within their cytoplasm to reduce osmotic pressure.
en.wikipedia.org /wiki/Halophile   (226 words)

  
 Aminoacylation of an unusual tRNACys from an extreme halophile -- EVILIA et al. 9 (7): 794 -- RNA
The gene for the halophile CysRS was identified from the genome
because of the distinct tertiary core in the halophile tRNA.
the halophile CysRS and the backbone of tRNA
www.rnajournal.org /cgi/content/full/9/7/794   (3407 words)

  
 HALOPHILE   (Site not responding. Last check: 2007-11-07)
Halophiles are extremophiles that thrive in environments with very high concentrations of salt.
The photosynthesizers in this category are purple because instead of using chlorophyll to photosynthesize, they use a similar pigment called bacteriorhodopsin that uses all light except for purple light, making the cells appear purple.
It is licensed under the GNU free documentation license.
www.yotor.org /wiki/en/ha/Halophile.htm   (161 words)

  
 Halophile Collection - General   (Site not responding. Last check: 2007-11-07)
This two-minute video interview with SETI researcher Rocco Mancinelli describes his interest in halophiles and their adaptive abilities to withstand extreme environments...
This reference site describes the adaptations of truly halophilic organisms that have a dependency upon high salt concentrations for survival.
This Science @ NASA article reports the ability of the halophilic bacteria Halobacterium to survive lethal doses of radiation, extreme dryness, and the vacuum of space...
serc.carleton.edu /microbelife/extreme/halo/general_collection.html   (435 words)

  
 University of Maryland Biotechnology Institute Press Release   (Site not responding. Last check: 2007-11-07)
"Halophiles are excellent for biotechnology because they are easily manipulated cell factories that need concentrated sea water and desert, two commodities in plentiful supply on our planet." Such halophile microbes use sunlight to make energy.
Halophiles are also relatively easy to culture in the laboratory and harmless to humans.
Inside the single cell of a type of halophile called Halobacterium, some metabolic aspects are similar to systems in higher organisms, or eukaryotes, especially in the way genes turn on and off.
www.umbi.umd.edu /nande/news/archive/02/013102_dassarma.html   (982 words)

  
 Mr. Halophile's Wonderful World of... Halophiles.   (Site not responding. Last check: 2007-11-07)
Halophile, and I just happen to be members.
"We halophiles can be found in such diverse environments as food (i.e., salted fish, meat products, soy sauce), salt lakes, brines, saline soils (in such places as Death Valley and Iraq), cold saline habitats such as regions of the Antarctic, and even alkaline saline habitats.
this bacteriorhodopsin that we halophiles synthesize ourselves is capable of absorbing light maximally at 570 nm.
web.rollins.edu /~jxalvarez/micro04.html   (444 words)

  
 Halophile Collection - Advanced   (Site not responding. Last check: 2007-11-07)
This is an upper level halophiles lecture from a Physiology and Biochemistry of Microorganisms class.
This journal article is a review of halophiles, which are salt-loving organisms that inhabit hypersaline environments.
This is a survey reporting the phylogenetic diversity of Mono Lake bacteria as conducted by the Mono Lake Microbial Observatory.
serc.carleton.edu /microbelife/extreme/halo/advanced_collection.html   (231 words)

  
 MEDLINE Database, 1987 to date Document Reader   (Site not responding. Last check: 2007-11-07)
The primary structure of the ribosomal A-protein (L12) from the moderate halophile NRCC 41227.
The complete amino acid sequence of the ribosomal A-protein (equivalent to L7/L12 in Escherichia coli) from a moderate halophile, NRCC 41227, has been determined using an automatic Beckman sequencer and by the manual Edman cleavage of peptides obtained from selective proteolytic cleavage of the ribosomal A-protein.
The moderate halophile NRCC 41227 is part of a group of Gram-negative bacteria that include E. coli and another moderate halophile Vibrio costicola.
www.bioinfo.rpi.edu /~zukerm/ref/FALP86.html   (192 words)

  
 Mr. Halophile's Website   (Site not responding. Last check: 2007-11-07)
Halophile's Website is the result of an undergraduate class project.
It serves as a halophile reference for younger students by offering an introduction to halophiles, defining the term "obligate halophile," and reporting the sophistication of halophiles.
It may be adapted for the teaching classroom.
serc.carleton.edu /resources/2205.html   (67 words)

  
 The {alpha}-amylase gene amyH of the moderate halophile Halomonas meridiana: cloning and molecular characterization -- ...
Kamekura, M., Seno, Y., Holmes, M. and Dyall-Smith, M. Molecular cloning of the gene for a halophilic alkaline serine protease (halolysin) from an unidentified halophilic archaea strain (172P1) and expression of the gene in Haloferax volcanii.
Kunte, H. and Galinski, E. Transposon mutagenesis in halophilic eubacteria: conjugal transfer and insertion of transposons Tn5 and Tn1732 in Halomonas elongata.
Ventosa, A., Nieto, J. and Oren, A. Biology of moderately halophilic aerobic bacteria.
mic.sgmjournals.org /cgi/content/full/146/4/861   (3628 words)

  
 [No title]
If you placed a non halophilic organism in a solution with a high amount of dissolved salts the water will move from inside the cell into the solution causing the cell to plasmolyze.óŸ¨OsmoregulationŸ¨Halophiles have adapted to life at high salinity in many different ways.
They tend to have negatively charged proteins on the outside of their cell walls that stabilize it by binding to positively charged sodium ions in their external environments.
This strategy is primarily used by aerobic, extremely halophilic archaea and anaerobic bacteria.
alrlab.pdx.edu /media/halophiles.ppt   (1193 words)

  
 Log Book for April 30, 2003
Today's geology/biology goals were to look for halophile organisms and to find some recent dust deposits.
As for the latter goal, no samples were collected since we ran out of time and the halophile environment search took priority.
Hopefully the samples contain the halophile organisms Elia and Simone are looking for.
www.marssociety.org /mdrs/fs02/0430/eva.asp   (281 words)

  
 The {alpha}-amylase gene amyH of the moderate halophile Halomonas meridiana: cloning and molecular characterization -- ...
The {alpha}-amylase gene amyH of the moderate halophile Halomonas meridiana: cloning and molecular characterization -- Coronado et al.
-amylase gene amyH of the moderate halophile Halomonas meridiana: cloning and molecular characterization
Cloning, sequencing and expression of an {alpha}-amylase gene, amyA, from the thermophilic halophile Halothermothrix orenii and purification and biochemical characterization of the recombinant enzyme
mic.sgmjournals.org /cgi/content/abstract/146/4/861   (267 words)

  
 BBC News | SCI/TECH | First salt-loving bug sequenced
Professor Danson said there was a good chance that there might have been crystalline salt or even underground water on Mars.
"There are many people who think that understanding these extreme halophiles will help us to detect if there are organisms on Mars that could well be halophilic in nature," he said.
"By understanding halophiles and extremophilic life on this Earth, we may be in a much better position to detect life which is either living, or has lived, on other planets."
news.bbc.co.uk /2/hi/science/nature/953356.stm   (684 words)

  
 Cloning, Expression, and Purification of Choline Dehydrogenase from the Moderate Halophile Halomonas elongata -- Gadda ...
Cloning, Expression, and Purification of Choline Dehydrogenase from the Moderate Halophile Halomonas elongata -- Gadda and McAllister-Wilkins 69 (4): 2126 -- Applied and Environmental Microbiology
Cloning, Expression, and Purification of Choline Dehydrogenase from the Moderate Halophile Halomonas elongata
Escherichia coli the betA gene from the moderate halophile Halomonas
aem.asm.org /cgi/content/abstract/69/4/2126   (310 words)

  
 Marinobacter lipolyticus sp. nov., a novel moderate halophile with lipolytic activity -- Martín et al. 53 (5): ...
nov., a novel moderate halophile with lipolytic activity -- Martín et al.
nov., a novel moderate halophile with lipolytic activity
nov., slightly halophilic organisms isolated from sea water of the Yellow Sea in Korea
ijs.sgmjournals.org /cgi/content/abstract/53/5/1383   (348 words)

  
 An Archaeal Chromosomal Autonomously Replicating Sequence Element from an Extreme Halophile, Halobacterium sp. Strain ...
An Archaeal Chromosomal Autonomously Replicating Sequence Element from an Extreme Halophile, Halobacterium sp.
that, in halophilic archaea, a chromosomal origin of replication
Robinson, N. P., Bell, S. Origins of DNA replication in the three domains of life.
jb.asm.org /cgi/content/abstract/185/20/5959   (494 words)

  
 The High Salt Requirement of the Moderate Halophile Chromohalobacter salexigens DSM3043 Can Be Met Not Only by NaCl but ...
The High Salt Requirement of the Moderate Halophile Chromohalobacter salexigens DSM3043 Can Be Met Not Only by NaCl but by Other Ions -- O'Connor and Csonka 69 (10): 6334 -- Applied and Environmental Microbiology
The High Salt Requirement of the Moderate Halophile Chromohalobacter salexigens DSM3043 Can Be Met Not Only by NaCl but by Other Ions
The predominant role of recently discovered tetrahydropyrimidines for the osmoadaptation of halophilic eubacteria.
aem.asm.org /cgi/content/full/69/10/6334   (1459 words)

  
 Search Results for GENEBANK
Resources on seedsaving for seedsavers and those interested in heirloom and open-pollinated varieties of vegetables, flowers, bulbs as well as heirloom fruit varieties and general agricultural/horticultural plant genetic diversity.
Halophile References from PubMed for 06_29_99 Bob Simon (simon@roux.sci.geneseo.edu) Tue, 29 Jun 1999 23:30:02 -0400 Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Next message: Bob Simon: "Halophile References from PubMed for 06_2
Halophile References from PubMed for 07_01_99 Bob Simon (simon@roux.sci.geneseo.edu) Thu, 01 Jul 1999 23:30:01 -0400 Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Previous message: Bob Simon: "Halophile References from PubMed for
storm.prohosting.com /bportal/genebank.htm   (3442 words)

  
 Halomonas boliviensis sp. nov., an alkalitolerant, moderate halophile isolated from soil around a Bolivian hypersaline ...
nov., an alkalitolerant, moderate halophile isolated from soil around a Bolivian hypersaline lake -- Quillaguamán et al.
nov., an alkalitolerant, moderate halophile isolated from soil around a Bolivian hypersaline lake
Department of Biotechnology, Centre for Chemistry and Chemical Engineering, Lund University, PO Box 124, SE-221 00 Lund, Sweden
ijs.sgmjournals.org /cgi/content/abstract/54/3/721   (247 words)

  
 [No title]   (Site not responding. Last check: 2007-11-07)
Know the optimal salt concentrations for each of the following organisms: E.
aureus (facultative halophile) How does S. aureus tolerate higher salt concentrations?
UV light effects on growth (page 105) How does UV light affect microorganisms (specifically—i.e.
a-s.clayton.edu /furlong/BIOL3250/lab/objectives/objectives6.doc   (213 words)

  
 Microbial Genomics Research Projects
Halophile genomes: from University of Maryland Biotechnology Institute
Methanococcus jannaschii TIGR database: The Institute for Genomic Research
Institute for Genomic Research Microbial Database (Archive): lists completed and in-progress microbial genomes, with funding sources.
microbialgenome.org /links.shtml   (2331 words)

  
 Halophile.Net
Submitted On Wed Jan 18, 2006 2:37 am By Shdw Shinobi
I've been working on Halophile rigerousely the last few days.
I hope for it to get up soon, and am working on it fast.
halophile.net   (138 words)

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