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From MicrobeWiki, the student-edited microbiology resource
  • [[Category:Pages edited by students of Dr.Ned Walker at Michigan State University]] ...vironment due to the anaerobic conditions of the termite hind guy. As said by Brune and Stingl, it is hypothesized that parabasalids ferment glycosol uni
    4 KB (551 words) - 14:51, 14 August 2013
  • ...cells are non-motile, non-spore forming and rod shape approximately 0.8- 1 by 5-10 μm in size. These cells have round ends and form a collar due to inv ...ster sludge is an anoxic environment. When cultured, ''D. tiedjei'' grows at a temperature range of 20-38 ℃ and a pH range of 6.5 – 7.8. ''Desulfom
    7 KB (941 words) - 03:17, 27 April 2012
  • [[Image:Pyrite.jpg |thumb|left|alt=alt text|Percent pyrite removal by <i>M. sedula</i>(black) and control (white). Clark et. al.]] ...(for example, <i>Thiobacillus ferroxidans</i>), however the process occurs at a slower rate than traditional abiotic removal. [6] <i>M. sedula</i>, being
    8 KB (1,208 words) - 20:32, 23 April 2011
  • ...nia State University and Montana State University. The research was funded by National Science Foundation, Department of Energy, and the NASA Exobiology ...gs in Tibet and Thailand.[1] The importance of this discovery is reflected by 'This is only the third time in the last 100 years that a new group of phot
    11 KB (1,447 words) - 19:58, 26 July 2010
  • ...etyl-CoA, blocking the Krebs cycle and therefore resulting in loss of ATP. By converting arsenate to a non-lethal form, this makes the waters substantial ...sulfate. The strain SLSR-1 showed arsenate reduction was impeded modestly at the highest salinity tested (~330 g/L).
    6 KB (932 words) - 15:07, 22 April 2013
  • ...s enzymes such as chaperone proteins and ATP synthase which are functional at high temperatures instead of denaturing [3]. .... Although the function of the cannulae still remains unknown, the linkage by cannulae therefore could enable cells to exchange metabolites, genetic info
    7 KB (1,047 words) - 19:02, 25 August 2010
  • ...ture range of 30-57°C. Its pH optima is 9.5, with a range of pH 8.5-10.6, at 55°C. Optimal growth occurs with a salt concentration of around 3.3-3.9 M Some of the carbon and energy sources utilized by ''N. thermophilus'' are: tryptone, fructose, ribose, pyruvate, trimethylami
    6 KB (886 words) - 13:55, 24 April 2013
  • ...The ability of this organism to reduce nitrate is of economic significance by eliminating the need for expensive biocides currently used in the treatment ...gellation and exhibit a rapid corkscrew movement. Cells measure 0.5-0.7 µm by 1.7-2.0 µm and can be seen as singles, in pairs, or arranged in long chain
    8 KB (1,148 words) - 22:31, 17 April 2012
  • ...t grows in temperatures between 17 and 55°C, with optimal growth occurring at 50°C. It can also grow over a pH range of 5.5-8.5 with the optimal pH valu ...been investigated as being much more efficient to treat the biomass there by yielding a greater amount of sugars. The only issue is that the ionic liqui
    7 KB (985 words) - 22:12, 25 April 2012
  • ...-containing taxa. Thetree was based on a comparison of sequences that were at least 90 % complete (with regard to E. coli sequence). Bar, 10·0 % sequenc ...n acidic sandy loam Cambisol soil in a protected habitat in Rio de Janeiro state, Brazil (Von der Weid, 2006).
    8 KB (1,161 words) - 19:33, 1 September 2011
  • ...-services.bmb.psu.edu/bryant/lab/Project/Chloroflexi/index.html Penn State University]]] ...nally found in the Nakabusa hot springs in Japan. Ideal conditions to live at are a water temperature ranging from 45 to 55 degrees Celsius and a pH from
    10 KB (1,431 words) - 20:45, 24 April 2011
  • ...00px|thumb|right|Cellular structure of ''Chloroflexus aurantiacus''. Photo by Sylvia Herter.[http://genome.jgi-psf.org/chlau/chlau.home.html]]] ...anism's genome, but of these, 219 possess a function unknown to scientists at this time. 80% of the genome of ''C. aurantiacus'' is known to code for fun
    9 KB (1,239 words) - 18:53, 25 August 2010
  • ...sually mesophiles, but strain SS015 is a thermophile. This ability to live at higher temperatures is incorporated into its nomenclature. ''Geothermobacte ...gative bacterium. It can be cultured in its pure form from a fluid sample by use of serial dilution. This method specifically cultures and identifies st
    7 KB (1,107 words) - 18:57, 25 August 2010
  • ...ta_obscuriglobus_double_membrane-bounded_nuclear_body.png|200px|thumb|left|At the point labeled "G" we can see the thicker inner membrane, and the thinne ...to perform endocytosis on fully folded proteins, it's ability to reproduce by a unique way of budding, and its lack of a cell wall composed of peptidogly
    8 KB (1,293 words) - 17:07, 5 May 2013
  • ...own to be resistant to environments with up to 1200 µg/mL of Cu, surviving by using phosphates to sequester the metal [3]. ...il and groundwater [1]. ''R. pickettii'' is able to exploit this resource by using the hydrocarbons as both a source of carbon and energy. This process
    7 KB (990 words) - 19:03, 25 August 2010
  • ...mes from other cellulosomal clostridia. 31% of the genome is GC and 69% is AT. 57 cellulosomal genes were reported in ''C. cellulovorans''. ''C. cellulov ...s'' do not reduce sulfate and are obligate anaerobes. Cells are 0.7 to 0.9 by 2.5 to 3.5 µm in size and are non-motile rods, though peritrichous flagell
    8 KB (1,028 words) - 19:08, 24 April 2011
  • ...class. It is interesting to note that although oomycetes are considered to by eukaryotes, keystone sequences like the TATA box have been missing in some ...pable or reproduction and completing the cycle. Oospores are characterized by their thick cell walls and are relatively large cells.
    7 KB (1,071 words) - 21:17, 24 April 2011
  • ...e waste in groundwater. It has the ability to reduce uranium and plutonium by reducing soluble forms to insoluble forms [7]. ...re the olny known genes of this bacterium. These genes are usually carried by large conjugative plasmids (50 to 180 kb) that often encode extended-spectr
    8 KB (1,186 words) - 16:46, 22 April 2013
  • ...or of R.E. Hungate. This genus and species name was first proposed in 1974 by Ferry et. al. The cultures are usually yellow in color, circular in shape, ...For instance, it is mostly gram negative, but the multicellular filaments at the ends test as gram positive (Beveridge et. al. 1991). It grows in groups
    9 KB (1,323 words) - 15:12, 2 October 2017
  • ...re|A representation of H. ochraceum's genetic structure. Graphic generated by the Joint Genome Institute.'']] ...om seaweed... Myxobacteria are unicellular bacteria that are characterized by complicated multicellular behaviors, such as feeding, social movement, aggr
    8 KB (1,218 words) - 18:58, 25 August 2010
  • ...b|300px|A photomicrograph of ''F. hibernum'' grown on nutrient-poor medium at 20C for 24hr (McCammon ''et al.'', 1998).]] ...ps ''F. hibernum'' with psychrotrophic microbes, although the temperatures at which growth was possible ranged from -7ºC to 30ºC. This bacterium exhib
    10 KB (1,466 words) - 13:40, 4 June 2014
  • ...e in regards to the oxidation of ferrous iron to ferric iron. This process by bacteria is a relatively novel phenomenon that has only been observed with ...binary mixed culture KoFox grown with ferrous carbonate (''arrow'' points at cell of KoFum)(1).]]
    9 KB (1,292 words) - 18:52, 25 August 2010
  • ...ld be considered a non-halophilic mesophile as it grows almost exclusively at temperatures ranging from 25-37⁰C, NaCl concentrations below 1% and near ...th problems. Along with irritation of the respiratory tract, eyes and skin by contact, BTEX compounds mainly target the nervous system of humans and anim
    11 KB (1,585 words) - 04:38, 27 April 2011
  • [[Category:Pages edited by students at Michigan State University]] ...itrite serve as electron acceptor and anaerobic conditions as investigated by MAR
    5 KB (629 words) - 14:18, 4 October 2017
  • ...cause of the higher recombination rate. The bacteria is usually identified by antibiotic sensitivity testing, serotyping, and bacteriological analysis. ...tive rod. It is oxidase-positive and catalase-positive. The organism moves by polar flagella which are lophotrichous, meaning they have multiple flagella
    8 KB (1,190 words) - 19:01, 25 August 2010
  • ...., 2000). Purification of recombinant proteins in <i>E. coli</i> is aided by targeting the proteins to particular cell locations and studies of bacteria ...anisms for localization. For example, in <i>E. coli</i> FtsZ forms a ring at the midpoint of dividing cells due to the polar localization of an FtsZ pol
    9 KB (1,320 words) - 19:07, 15 July 2011
  • ...jpg|frame|right| A Cryptomonas ovata phytoplankter from a sample collected at Lake Toolik (Alaska, USA). From [http://starcentral.mbl.edu/msr/rawdata/vie ...l lobe of each Cryptomonas, while the striated fibrous root will be joined by five small microtubular roots surrounding the outside before anchoring. [5]
    11 KB (1,578 words) - 18:54, 25 August 2010
  • ...acetogenic bacterium that usually occurs in pairs. Motility is facilitated by one subterminal flagellum, and infrequently exhibits two flagella. ...nlike heteroacetogenic fermentative microorganisms which can produce other by-products along with acetate.
    10 KB (1,383 words) - 17:12, 25 April 2014
  • ...moeba hose and instead utilizes the giant viral machinery that is produced by APMV [http://www.nature.com/nrmicro/journal/v10/n3/full/nrmicro2676-c3.html ...al/v455/n7209/abs/nature07218.html 4] and decreases cell lysis at 24 hours by 13% [http://www.ncbi.nlm.nih.gov/pubmed/22420851 6].
    11 KB (1,650 words) - 13:10, 28 April 2012
  • ...h as mines and polluted soil have been shown to resist those metals, often by converting them to an insoluble form. There are records of resistance of s ...ers are observed in all cases, and the species can be keyed out in the lab by those characteristics.
    9 KB (1,418 words) - 14:08, 24 April 2012
  • <br>They contain two lipoid structures at the polar ends of the cell. These structures are highly refractile and may ...y elastic slime in varying colors. <i> B. derxii</i> can be characterized by a green fluorescent pigment, this pigment is most prominent on iron-deficie
    6 KB (904 words) - 18:51, 25 August 2010
  • ...200px|thumb|right|Phylogenetic tree by anaylsis of 16S rRNA gene sequences by [http://ijs.sgmjournals.org/cgi/content/abstract/53/4/1093 Bozal et al.]]] ...kes. At one point or another, most of the lakes of the Earth were covered by glaciers. In many cases, the glaciers would keep the lakes sealed from the
    10 KB (1,474 words) - 19:02, 25 August 2010
  • The ''A. phosphatis'' clade IIA str. UW-1 was mapped by the Department of Energy Joint Genome Institute (DOE JGI) in 2004 with an i ...nt (Pijuan 2003). Another pathway exists through the reduction of glycogen by glycolysis. This process produces ATP and NADH reducing equivalents (Black
    11 KB (1,479 words) - 20:46, 11 May 2015
  • [[Image:Potato_plant_ring_rot.jpg|thumb|Taken by J.D. Janse, Plant Protection Service, Bugwood.org. Advanced stages of ''C. ...tory, Harpenden Archive, British Crown, Bugwood.org. Potato tuber infected by ''C. michiganensis subsp. sepedonicus.'' Note dark discoloration and cream
    11 KB (1,517 words) - 18:53, 25 August 2010
  • ...-field micrograph containing intracellular sulfur globules. Photo provided by Hans G. Trüper Bonn (click to enlarge). Source: [http://genome.jgi-psf.org ...gical and Physiological Studies on Purple Sulphur Bacteria (Chromatiaceae) at Aswan High Dam Lake’’”. “IDOSI Publications”. 2008. Volume 4. P.
    12 KB (1,617 words) - 18:50, 25 August 2010
  • [[Category:Pages edited by students at Michigan State University]] ...unctions to continue in the ecosystem that it lives. ''M. frigidum'' grows by CO<sub>2</sub> reduction, and uses H<sub>2</sub> as it's electron donator.
    6 KB (965 words) - 14:15, 4 October 2017
  • ...and 3600-3900 proteins.[4] Rolling-circle replication is the method used by most <i>B. pumilus</i> plasmids.[5] Assimilation of plasmids is useful bec ...ore into the environment. The stage of sporangia is between the vegetative state and a free spore in which an immature spore is nested within the cell that
    10 KB (1,472 words) - 22:17, 26 April 2012
  • ...er species such as ''Alcanivorax venustensis'' were described to be motile by polar flagella [1]. The optimial conditions described for A.borkumensis gro ...e ocean are largely due to anthropogenic sources such as oil spills caused by tankers accidents (Figure 2), and cause serious ecological damage to plants
    9 KB (1,330 words) - 21:41, 23 July 2010
  • ...te cell size was measured as 3.5 by 0.7 µm. The bacterial cells are motile by means of a flagellum for propulsion, which is located on the concave side o ...approximately 2-3 mm in diameter. The bacteria are also capable at growing at temperatures as low as 5-10°C[3].
    11 KB (1,623 words) - 22:34, 23 April 2014
  • ...USDA, Forest Service, Forest Products Laboratory)" Image and caption found at Sciencedaily.com [http://www.sciencedaily.com/releases/2007/03/070305141222 ...budding most commonly occurring at 25°C. Studies have shown growth ceases at temperatures around 40°C to 45°C [5].
    12 KB (1,661 words) - 01:25, 25 April 2011
  • ...il|300px|Figure 1. ''Meiothermus silvanus''. Image from Mark Kolari at the University of Helsinki [http://www.biocenter.helsinki.fi/groups/salkinoja/page4.htm]]] ...Microbial "slime" found in paper machines''. Image from Mark Kolari at the University of Helsinki [http://www.biocenter.helsinki.fi/groups/salkinoja/page4.htm]]]
    11 KB (1,552 words) - 18:31, 23 April 2011
  • ...arine carbon cycle as it fixes inorganic carbon which can then be utilized by herterotrophs. ...Galapagos Islands. In culture ''N. mobilis'' requires media compromised of at least 70% sea water to grow. Just adding salts does not produce a media cap
    13 KB (1,928 words) - 19:00, 25 August 2010
  • ...st conditions.. Source: [http://www.apsnet.org/publications/apsnetfeatures/Pages/PotatoLateBlightPlantDiseasesComponents.aspx]]] ...sporangia (B). Source: [http://www.apsnet.org/publications/apsnetfeatures/Pages/PotatoLateBlightPlantDiseasesComponents.aspx]]]
    9 KB (1,288 words) - 13:54, 25 April 2011
  • ...nd often eliminates soft-rot in leaves of the tobacco plant that is caused by ''Erwinia carotovora'' (European, 2009). ...ulture and horticulture by acting against various fungal plant pathogens by creating phenazine (antibiotic to root rot of cucumbers, peppers, tomatoes,
    10 KB (1,375 words) - 19:02, 25 August 2010
  • ...about 166.2±2.2 Mb, and race L has a larger genome size than its brothers at about 211.3±1.7 Mb <sup>13</sup>. :The codon usage of ''B. braunii'' was looked at for possible genetic engineering capabilities and showed that unlike most g
    11 KB (1,594 words) - 03:07, 24 April 2014
  • ...ss to biofuel and bioproducts. Current research into this idea is looking at a strain of ''L. plantarum'' which has certain genes inactivated to elimina ...ular chromosome it contains 3,308,274 base pairs. The genome was sequenced by using whole genome sequencing as assembly approach. The overall GC content
    14 KB (2,053 words) - 18:59, 25 August 2010
  • ...is a detailed diagram of a Microbial Fuel Cell and how it generates energy by producing an electrical current with the help of bacterial organisms. (Fuel ...f this organism to optimize the oxidation of the dark fermentation process by making further energy sources out of previously considered waste products c
    12 KB (1,761 words) - 20:33, 27 July 2011
  • ...thumb|left|''Thiocapsa roseopersicina'' and other sulfur bacteria as drawn by Winogradsky [http://www.uni-due.de/imperia/md/content/water-science/4511_14 ''Thiocapsa roseopersicina'' was discovered by Sergei Winogradsky in the 1880s when he was studying sulfur bacteria.
    16 KB (2,246 words) - 19:04, 25 August 2010
  • <!--This is the old text, I have edited it as below, but kept this old version for you to check and review. ~Indu ...pH level of 5.6 [Pivovarova et. al. 2002]. This has led to research aimed at determining how this "pH anomaly" exists and how this organism has evolved
    16 KB (2,365 words) - 18:55, 25 August 2010
  • ...ose uronic acid (DEH), which is reduced into 2-keto-3-deoxygluconate (KDG) by DEH reductase (DehR). Using KDG kinase (KdgK) and KDG-6-phosphate aldolase ...n this organism may be in aquatic environments. This light that is emitted by the organism can offer many benefits to any animal that chooses to uptake t
    12 KB (1,790 words) - 17:24, 27 April 2012
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