Dictionary » S » Shigella



A gram-negative flagellated bacteria of the Eschericiae group, responsible for dysentery in humans. Infection by drinking contaminated water is common.

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Conflicting results of Gram-Negative unknown

... until the day unknows were distributed. My teacher did confirm that my results for the HE agar were negative meaning that it could not be of the Shigella family or the Samonella family. Shigella species is the only bacteria listed under non-motile. This means that something is either wrong with ...

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by Jrh21854
Sun Dec 01, 2013 8:25 pm
Forum: Microbiology
Topic: Conflicting results of Gram-Negative unknown
Replies: 0
Views: 3621

Help with unknown

... marcescans Serratia rubidaea Escherichia coli Klebsiella pneumoniae Klebsiella oxytoca Morganella morganii Salmonella enteriditis Salmonella typhi Shigella flexneri Shigella sonnei Proteus vulgaris Proteus mirabilis Here are the test results I ran for my unknown: It is a Gram-negative bacillus ...

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by kayleighat
Sun Oct 20, 2013 2:43 am
Forum: Microbiology
Topic: Help with unknown
Replies: 0
Views: 3928

Help with unkown

... + urea - cysteine desulfurase hydrogen sulfide production. Citrate - phenylalanase - litmus milk - Lysine decarboxylase - I think it's Shigella flexneri, but i would love a second opinion.

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by bruserboy1
Thu Apr 05, 2012 3:48 pm
Forum: Microbiology
Topic: Help with unkown
Replies: 0
Views: 1546

Help identifying unknown bacteria

no specific color on the nutrient plate I think i was debating on pseudomonas, shigella, moraxella

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by anthony7
Sun Apr 01, 2012 10:34 pm
Forum: Microbiology
Topic: Help identifying unknown bacteria
Replies: 8
Views: 5868

Re: Sexual selection

... up of organism, the definition of a species is a whole different thing. Where does the dog end and where does the wolf starts? Are E. coli and Shigella flexneri 2 different species or not? And what about Salmonella spp. 2,7 or thousands of species? If speciation it's a skill, I don't see how ...

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by ruiseixas
Tue Jan 18, 2011 10:20 pm
Forum: Evolution
Topic: Sexual selection
Replies: 11
Views: 9701
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