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ID OF UNKNOWN?!?!

About microscopic forms of life, including Bacteria, Archea, protozoans, algae and fungi. Topics relating to viruses, viroids and prions also belong here.

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ID OF UNKNOWN?!?!

Postby microbiologyhelp » Fri Dec 06, 2013 10:59 am

Hey guys, I'm needing help trying to identify my organism in microbiology classes, so far the results obtained indicate
Gram reaction:+
Shape: cocci
Acid-fast: -
Spores: -
Motility: -
Grows in air: +
Grows anaerobically: +
Catalase: -
Oxidase: -
Acid from glucose: +
OF test: : F
Gas from glucose: -
Acid from sucrose: +
Acid from lactose: +
Acid from maltose: +
Acid from mannitol: -
Acid from dulcitol: -
Nitrate reduction: +
Citrate utilisation: -
Indole production: -
H2S production: -
Methyl red test: -
Voges Proskauer test: -
Urea hydrolysis: -
Gelatin hydrolysis: -

please can someone help me ID this bacterium much thanks!
microbiologyhelp
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Postby Cat » Sun Dec 08, 2013 6:10 pm

I already gave you the answer in the other thread. It's beta-hemolytic streptococcus (provided that your previous post correctly identified hemolysis). Look at the links bellow:

http://loudoun.nvcc.edu/vetonline/vet13 ... cocci2.gif
http://img.docstoccdn.com/thumb/orig/9217067.png
Cat
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Re:

Postby microbiologyhelp » Sun Dec 08, 2013 10:35 pm

Cat wrote:I already gave you the answer in the other thread. It's beta-hemolytic streptococcus (provided that your previous post correctly identified hemolysis). Look at the links bellow:

http://loudoun.nvcc.edu/vetonline/vet13 ... cocci2.gif
http://img.docstoccdn.com/thumb/orig/9217067.png

page cant be opened :/
microbiologyhelp
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Re: Re:

Postby microbiologyhelp » Thu Dec 12, 2013 6:12 pm

microbiologyhelp wrote:
Cat wrote:I already gave you the answer in the other thread. It's beta-hemolytic streptococcus (provided that your previous post correctly identified hemolysis). Look at the links bellow:

http://loudoun.nvcc.edu/vetonline/vet13 ... cocci2.gif
http://img.docstoccdn.com/thumb/orig/9217067.png

page cant be opened :/



hey can you help me pick out of this list which are the most narrowest?
Key to organisms
1=Streptococcus pyogenes 13=Streptococcus oralis (Strep. mitior)
2=Streptococcus agalactiae 14=Streptococcus mutans
3=Streptococcus dysgalactiae 15=Enterococcus faecalis (Strep. faecalis)
4=Streptococcus equisimilis 16=Enterococcus faecium (Strep. faecium)
5=Streptococcus equi 17=Enterococcus durans (Strep. faecium var durans)
6=Streptococcus zooepidemicus 18=Streptococcus bovis
7=group E streptococci from swine 19=Streptococcus equinus
8=Streptococcus anginosus 20=Streptococcus uberis
9=Streptococcus pneumoniae 21=Streptococcus avium
10=Streptococcus salivarius 22=Aerococcus viridans
11=Streptococcus milleri 23=Pediococcus cerevisiae
12=Streptococcus sanguis 24=Gemella haemolysans
microbiologyhelp
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Re:

Postby microbiologyhelp » Fri Dec 20, 2013 10:07 pm

Cat wrote:I already gave you the answer in the other thread. It's beta-hemolytic streptococcus (provided that your previous post correctly identified hemolysis). Look at the links bellow:

http://loudoun.nvcc.edu/vetonline/vet13 ... cocci2.gif
http://img.docstoccdn.com/thumb/orig/9217067.png

hey cat im having a feeling it is Streptococcus sanguis
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Re: ID OF UNKNOWN?!?!

Postby Cepacia » Fri Dec 27, 2013 11:33 am

Lacking in the list of largely useless and wasted testing is the observation of hemolysis on sheep blood agar.
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