Aquaspirillum bengal: Difference between revisions

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A Microbial Biorealm page on the genus LRMoore, Univ of Southern Maine
{{Moore2013}}
1 ClassificationContents
[[Category:Short pages]]
{{Biorealm Genus}}


1.1 Higher order taxa
==Classification==
1.2 Species
2 Description and significance
3 Genome structure
4 Cell and colony structure
5 Metabolism
6 Ecology
7 Pathology
8 References
[edit] Classification
[edit] Higher order taxa
Domain(Bacteria); Phylum(Protepbacteria); Class(Betaprotepbacteria); Order(Nitrosomonadales); family(Spirillacease) [Others may be used. Use NCBI link to find]


[edit] Species
=== Higher order taxa===
NCBI: Taxonomy
Genus species (Aquaspirillum)


[edit] Description and significance
Bacteria (domain); Protepbacteria (phylum); Betaprotepbacteria (class); Nitrosomonadales (order); Spirillacease (family); Aquaspirillum (genus).


Aquaspirillum bengal has helical shape and its deoxyribonucleic acid base composition is 51 mol% guanine + cytosine. It is Gram negative and chemo-organotrophic. It is also motile with the help of flagella. It was isolated from a freshwater pond in West Bengal and it has a cell diameter of 0.9 to 1.2 μm. which are similar to those of Aquaspirillum serpens and A. putridiconchylium.  This spirillum is unique in having an unusually high temperature for optimal growth of 41 C, in forming water-soluble pigments from tyrosine and tryptophan, and in several other nutritional, biochemical, and serological characteristics.
==Species==


[edit] Genome structure
Genus species (<I>Aquaspirillum bengal</I>)
The type strain of Aquaspirillum bengal was deposited with the American Type Culture Collection under the number 27641. One of specific characteristics of Aquaspirillum strains is in its ability to form pigments from aromatic amino acids. It's DNA base composition is:
 
[[File:Png.png|200px|thumb|right|shown is bipolar tufts flagellation of this bacteria.]]
<br><br><br>
 
 
==Description and significance==
 
<I>Aquaspirillum bengal</I> has helical shape and its deoxyribonucleic acid base composition is 51% mol guanine and cytosine. <sup>[[#References|[1]]]</sup> It is Gram negative and chemo-organotrophic. It is also motile with the help of flagella. <sup>[[#References|[1]]]</sup> It was isolated from a freshwater pond in West Bengal and it has a cell diameter of 0.9 to 1.2 μm. which are similar to those of Aquaspirillum serpens and A. putridiconchylium.  In <I>Aquaspirillum</I> genus, this species is unique in having an unusually high temperature for optimal growth of 41 C, in forming water-soluble pigments from tyrosine and tryptophan, and in several other nutritional, biochemical, and serological characteristics.<sup>[[#References|[2]]]</sup>
==Genome structure==
 
The type strain of <I>Aquaspirillum bengal</I> was deposited with the American Type Culture Collection under the number 27641. One of specific characteristics of <I>Aquaspirillum</I> strains is in its ability to form pigments from aromatic amino acids. It's DNA base composition is: <sup>[[#References|[2]]]</sup>
  T," = 90.1 C; mol% G + C = 51
  T," = 90.1 C; mol% G + C = 51


[edit] Cell and colony structure
==Cell and colony structure==
It has cell diameter of 0.9 to 1.2 pm, cell length of 5.2 to 22.0 pm and wavelength of 4.6 to 8.1 pm. The diameter of helix is 1.7 to 2.3 pm and the colony diameter is 3 to 4 mm. Their swimming speed is between 40 to 52 um/s. The colony color is light brown and the colony density is translucent. They contain intracellular granules, and also C16 : 1ω7c and/or iso-C15 : 0 2-OH as major fatty acids.
 
<I>Aquaspirillum bengal</I> has cell diameter of 0.9 to 1.2 μm, cell length of 5.2 to 22.0 μm and wavelength of 4.6 to 8.1 pm. The diameter of helix is 1.7 to 2.3 μm and the colony diameter is 3 to 4 mm. Their swimming speed is between 40 to 52 μm/s. The colony color is light brown and the colony density is translucent. They contain intracellular granules, and also C16 : 1ω7c and/or iso-C15 : 0 2-OH as major fatty acids. <sup>[[#References|[1]]]</sup>
==Metabolism==
 
This species has strict respiratory metabolism with oxygen as the terminal electron acceptor, and can not grow anaerobically with nitrate.Acetate, lactate, glutamate, succinate, and malate, can serve as oxidizable substrates, but not glucose. The organism is able to utilize some amino acids such as L-Alanine, L-Glutamate, L-Glutamine, and L-Aspartate. The best growth responses were obtained with alanine, pyruvate, lactate (nitrogen sources), glutamate, alanine, and asparagine (carbon sources). <sup>[[#References|[2]]]</sup>
==Ecology==
 
The organism prefers microaerophilic conditions for growth. It grows well in an air atmosphere and can grow at 0.5% NaCl but does not tolerate 1.0% NaCl. It shows no growth at 10 or 45 C. The optimum pH for this species is 7.2 but it can also tolerate a pH range from 6.0 to 8.4. <sup>[[#References|[2]]]</sup>


[edit] Metabolism
==Pathology==
This species has strict respiratory metabolism with oxygen as the terminal electron acceptor, and can not grow anaerobically with nitrate.Acetate, lactate, glutamate, succinate, and malate, can serve as oxidizable substrates, but not glucose. The organism is able to utilize some amino acids such as L-Alanine, L-Glu tama te, L-Glu tamine, and L-Aspart a te. The best growth responses were obtained with alanine, pyruvate, lactate (nitrogen sources), glutamate, alanine, and asparagine (carbon sources).


[edit] Ecology
There was not enough information on this part but they have some unique seriological characteristics. <sup>[[#References|[2]]]</sup>


The organism prefers microaerophilic conditions for growth. It grows well in an air atmosphere and can grow at 0.5% NaCl but does not tolerate 1 .O% NaC1. It shows no growth at 10 or 45 C. The optimum pH for this species is 7.2 but it can also tolerate  a pH range from 6.0 to 8.4.
==References==


[edit] Pathology
[http://ijs.sgmjournals.org/content/57/12/2830.full?sid=9795a4be-e10e-4b72-ab8a-8e9786454628] Yoon, J. H., Kang, S. J., Park, S., Lee, S. Y. & Oh, T. K. (2007b). Reclassification of Aquaspirillum itersonii and Aquaspirillum peregrinum as Novispirillum itersonii gen. nov., comb. nov. and Insolitispirillum peregrinum gen. nov., comb. nov. Int J Syst Evol Microbiol 57, 2830–2835.
There was not any information on this part.


[edit] References
[http://ijs.sgmjournals.org/content/24/4/453.full.pdf+html?sid=808aeb84-7055-4625-b2cf-8e39949e892c] Ranajit Kumar, A. K. Banerjee, J. H. Bowdre, L. J. McElroy, and N. R. Krieg  
Ranajit Kumar, A. K. Banerjee, J. H. Bowdre, L. J. McElroy, and N. R. Krieg  
Isolation, Characterization, and Taxonomy of Aquaspirillum bengal sp.nov.
Isolation, Characterization, and Taxonomy of Aquaspirillum bengal sp.nov.
Int. J. Syst. Bacteriol. 1974 24: 453-458.
Int. J. Syst. Bacteriol. 1974 24: 453-458.


Yoon, J. H., Kang, S. J., Park, S., Lee, S. Y. & Oh, T. K. (2007b). Reclassification of Aquaspirillum itersonii and Aquaspirillum peregrinum as Novispirillum itersonii gen. nov., comb. nov. and Insolitispirillum peregrinum gen. nov., comb. nov. Int J Syst Evol Microbiol 57, 2830–2835.


Edited by Shaghayegh Sabeti of Dr. Lisa R. Moore, University of Southern Maine, Department of Biological Sciences, http://www.usm.maine.edu/bio
Edited by Shaghayegh Sabeti of Dr. Lisa R. Moore, University of Southern Maine, Department of Biological Sciences, http://www.usm.maine.edu/bio
Category: Uncurated Pages
Category: Uncurated Pages

Latest revision as of 15:00, 22 February 2016

A Microbial Biorealm page on the genus Aquaspirillum bengal

Classification

 Higher order taxa

Bacteria (domain); Protepbacteria (phylum); Betaprotepbacteria (class); Nitrosomonadales (order); Spirillacease (family); Aquaspirillum (genus).

Species

Genus species (Aquaspirillum bengal)

shown is bipolar tufts flagellation of this bacteria.





Description and significance

Aquaspirillum bengal has helical shape and its deoxyribonucleic acid base composition is 51% mol guanine and cytosine. [1] It is Gram negative and chemo-organotrophic. It is also motile with the help of flagella. [1] It was isolated from a freshwater pond in West Bengal and it has a cell diameter of 0.9 to 1.2 μm. which are similar to those of Aquaspirillum serpens and A. putridiconchylium. In Aquaspirillum genus, this species is unique in having an unusually high temperature for optimal growth of 41 C, in forming water-soluble pigments from tyrosine and tryptophan, and in several other nutritional, biochemical, and serological characteristics.[2]

Genome structure

The type strain of Aquaspirillum bengal was deposited with the American Type Culture Collection under the number 27641. One of specific characteristics of Aquaspirillum strains is in its ability to form pigments from aromatic amino acids. It's DNA base composition is: [2] 

T," = 90.1 C; mol% G + C = 51

Cell and colony structure

Aquaspirillum bengal has cell diameter of 0.9 to 1.2 μm, cell length of 5.2 to 22.0 μm and wavelength of 4.6 to 8.1 pm. The diameter of helix is 1.7 to 2.3 μm and the colony diameter is 3 to 4 mm. Their swimming speed is between 40 to 52 μm/s. The colony color is light brown and the colony density is translucent. They contain intracellular granules, and also C16 : 1ω7c and/or iso-C15 : 0 2-OH as major fatty acids. [1]

Metabolism

This species has strict respiratory metabolism with oxygen as the terminal electron acceptor, and can not grow anaerobically with nitrate.Acetate, lactate, glutamate, succinate, and malate, can serve as oxidizable substrates, but not glucose. The organism is able to utilize some amino acids such as L-Alanine, L-Glutamate, L-Glutamine, and L-Aspartate. The best growth responses were obtained with alanine, pyruvate, lactate (nitrogen sources), glutamate, alanine, and asparagine (carbon sources). [2]

Ecology

The organism prefers microaerophilic conditions for growth. It grows well in an air atmosphere and can grow at 0.5% NaCl but does not tolerate 1.0% NaCl. It shows no growth at 10 or 45 C. The optimum pH for this species is 7.2 but it can also tolerate a pH range from 6.0 to 8.4. [2]

Pathology

There was not enough information on this part but they have some unique seriological characteristics. [2]

References

[1] Yoon, J. H., Kang, S. J., Park, S., Lee, S. Y. & Oh, T. K. (2007b). Reclassification of Aquaspirillum itersonii and Aquaspirillum peregrinum as Novispirillum itersonii gen. nov., comb. nov. and Insolitispirillum peregrinum gen. nov., comb. nov. Int J Syst Evol Microbiol 57, 2830–2835.

[2] Ranajit Kumar, A. K. Banerjee, J. H. Bowdre, L. J. McElroy, and N. R. Krieg Isolation, Characterization, and Taxonomy of Aquaspirillum bengal sp.nov. Int. J. Syst. Bacteriol. 1974 24: 453-458.


Edited by Shaghayegh Sabeti of Dr. Lisa R. Moore, University of Southern Maine, Department of Biological Sciences, http://www.usm.maine.edu/bio Category: Uncurated Pages

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