Salmonella Enterica

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Gandhi, By Malini. "Salmonella Enterica Forego the Flagella: Yale Researchers Find New Moves in Bacterial Choreography." Yale Scientific Magazine. Yale Scientific Magazine - Http://, n.d. Web. 14 Sept. 2016.

Background Info

Salmonella Enterica (aka. Food poisoning) is a gram-negative, rod-shaped (bacillli) bacteria. It is under Domain Bacteria, Kingdom Eubacteria, Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae, Genus Salmonella, Species Enterica. It is classified as gram-negative because it has a cell wall made of peptidoglycan and takes on the color of a counterstain in Gram’s staining method.

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Infection Facts

  • Infects intestinal cells and causes damage to outsides of intestinal cells.

  • Symptoms include abdominal pain, vomiting and diarrhea

  • About 76 million cases of food-related illnesses are caused by this bacterium and other food related pathogens in the US annually.

  • About 1500 people die each year from food poisoning

  • You can take diarrhea medication, but usually food poisoning does not need much more than monitoring for changes in symptoms, etc.

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Source: Cheer, Louise. "Pictured: The Pregnant Woman Forced into a CAESAREAN after Getting Salmonella from a Bakery's Chicken Schnitzel Sandwich - as It Apologises for Sickening 150 People with a Note Stuck in the Window."Mail Online. Associated Newspapers, 29 Jan. 2016. Web. 14 Sept. 2016.


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source: Prigg, Mark. "Secret of What Made 1918 Spanish Flu Epidemic That Killed 50 MILLION the Fastest in History." Mail Online. Associated Newspapers, 30 Apr. 2014. Web. 14 Sept. 2016.

Basic Info

The influenza virus is an RNA virus. It is spherical and has envelope proteins on the outside.

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Infection Info

  • Virus infects cells in the throat, nose and ears
  • Symptoms include fever, cough, congestion, fatigue, headache, etc.
  • causes about 200,000 hospitalizations and 30,000 deaths annually
  • Treated usually with rest and fluids, but medications for symptoms are available
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Processing Questions

1. Salmonella Enterica is not considered a eukaryote because it has no nucleus, is rod shaped and has a flagella.

2. Bacteria: Is living, has cell wall and membrane Both: have DNA Virus: Non-living, has capsid

3. Bacteria fulfill all characteristics of life. They are able to respond to the environment, they can grow, can reproduce on their own, have a metabolism, etc. Viruses cannot grow and reproduce without hijacking a living cell's organelles to do it for them.