Alicyclobacillus acidocaldarius References Navigation menu10.1099/00221287-67-1-910.1099/00207713-42-2-263expanding ite

Gram-positive bacteriaBacteria described in 1992BacillalesBacilli stubs


Gram positivebacteriumgeysersYellowstone National ParkfumeroleHawaii Volcano National Park16S rRNALatinThomas D. BrockTaq polymerasepolyermase chain reaction (PCR)pH




















Alicyclobacillus

Scientific classification
Domain:

Bacteria

Division:

Firmicutes

Class:

Bacilli

Order:

Bacillales

Family:

Alicyclobacillaceae

Genus:

Alicyclobacillus

Species:

A. acidocaldarius


Binomial name

Alicyclobacillus acidocaldarius
Wisotzkey et al. 1992

Alicyclobacillus acidocaldarius is a species of Gram positive, strictly aerobic, bacterium. The bacteria are acidophilic, thermophilic, and produce endospores. The first identified strains of A. acidocaldarius were from geysers in Yellowstone National Park and fumerole soil in Hawaii Volcano National Park. The species was originally classified as Bacillus acidocaldarius in 1971, but further 16S rRNA studies found that the species belonged in the newly created genus Alicyclobacillus. The species name is derived from the Latin acidum (acid) and caldarius (pertaining to warm or hot), referring to the acidic and high temperature environments from which it was first isolated.[1][2]Thomas D. Brock was one of the researchers who first categorized the species; his discovery of Thermus aquaticus allowed for other researchers to discover Taq polymerase and polyermase chain reaction (PCR).[3]


A. acidocaldarius was among the first three species reclassified from the genus Bacillus to the newly created Alicyclobacillus in 1992, along with A. acidoterrestris and A. cycloheptanicus.[2]


The optimum growth temperature for A. acidocaldarius is 60-65 °C, and can grow in the 45-70 °C range. The optimum pH is 3.0-4.0, and can grow in pH 2.0-6.0.[2]



References




  1. ^ Darland, G; Brock, T. D (1971). "Bacillus acidocaldarius sp.nov., an Acidophilic Thermophilic Spore-forming Bacterium". Journal of General Microbiology. 67: 9–15. doi:10.1099/00221287-67-1-9..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  2. ^ abc Wisotzkey, J. D; Jurtshuk, P; Fox, G. E; Deinhard, G; Poralla, K (1992). "Comparative Sequence Analyses on the 16S rRNA (rDNA) of Bacillus acidocaldarius, Bacillus acidoterrestris, and Bacillus cycloheptanicus and Proposal for Creation of a New Genus, Alicyclobacillus gen. Nov". International Journal of Systematic Bacteriology. 42 (2): 263–269. doi:10.1099/00207713-42-2-263.


  3. ^ Brock, Thomas D. "The value of basic research: discovery of Thermus aquaticus and other extreme thermophiles." Genetics 146, no. 4 (1997): 1207.






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