Which among the following is a Gram positive organism?

Option 1 : Clostridium botulinum 

Concept:

• In bacteriology gram positive are the bacteria which gives positive results on gram staining where as the negative bacteria gives negative results on gram staining
• Gram positive have thick peptidoglycon layer and no outer lipid membrane
• Primary dye used crystal violet.
• Gram negative bacteria will have thin peptidoglycon layer with a outer lipid membrane
• Streptococcus pneumonia, streptococcus mutans, staphylococcus aureus, clostridium where gram positive

•  Clostridium botulinum is a gram positive bacteria which produces neurotoxin called botulinum this attacks nerves and causes breathing difficulty.
• Klebsiella pneumonia  is gram negative bacteria, it causes pneumonia which manifest with fever, chills, coughing, yellow bloody mucus and chest pain.
• Pseudomonas aeruginosa is a gram negative bacteria it can cause mild rashes and ear infection in normal individuals but in immune compromised patients it can lead to severe life threatening disesases.
• Acinetobacter baumanni it causes opportunistic infections