55 thoughts on “Can bacteria ever be good for us?

  1. Dwi’n meddwl bod some bacteria can be good for you, especially the ones that live in our stomach because they help us digest our food and keep us healthy. Bacteria is everywhere. It can live in the sea, in clouds, on mountaintops, and on living and dead things. So it is impossible to get away from bacteria. There are 10,000 known species and there may be many more waiting to be discovered. However, some bacteria are harmful. These bacteria can cause serious diseases like, tuberculosis, typhoid fever, and ever tooth plaque.

    1. I am impressed that you have undertaken some research, Jorja. Are there any other bacteria that live in our bodies, other than in our stomach?

  2. Yes it can, we have good bacteria in our guts to help us digest our food called probiotics. Bacteria is also used in making dairy products and medicine. They are the best decomposers and can help clean the environment such as oil spills.

    1. A decomposer breaks things down into more simple things. I can give the example of old fruit being forgotten about in a fruit bowl for ages and going all brown and squishy.

      1. You are right, Grace. Decomposition does break down matter so that it can recycled for new growth. I am pleased that you have given an example to try and support your statement.

  3. some bacteria can kill you like :

    . Staphylococcus aureus (MRSA)
    . Burkholderia cepacia.
    . Pseudomonas aeruginosa.
    . Clostridium difficile.
    . Klebsiella pneumoniae

    But some can be good like :

    . Bifidobacterium Longum
    . Bacteroides Thetaiotamicron
    . Lactobacillus Johnsonii
    . Escherichia Coli
    . Viridans Streptococci

    1. I can see that we have a microbiologist in our midst! Could you find out the common names for any of these illnesses to see if we can recognise any?

      1. Typhoid fever : can be caused by Salmonella a backteria caused by poutry
        items like eggs and meat

        Pneumonia: inflammation and consolidation of the lung tissue as a result of infection.

  4. Not all bacteria are bad for us. Out of the thousands of different types of bacteria, less than 100 species are harmful and cause disease. Microbes like Akkermansia and Christensenellaceae both help to stop us putting on weight. Oxalobacter helps to prevent kidney stones forming.

  5. Yes, there are different types of bacteria naturally in our bodies, yogurt has a good amount of good bacteria in it. If we didn’t have bacteria in us we would die because your stomach needs a lot of bacteria. Like Lactobacillus if we didn’t have that our bodies would slowly shutdown.

    Teigan.

  6. yes bacteria can be good for us because there are so many different tips of it good ones and bad ones so that is why I believe that it can be good for us.

  7. Although Sometimes bacteria is a bad thing which can cause tummy bugs such as Norovirus it can also be a good thing. Good bacteria is called probiotics and is used to make yoghurt, good bacteria keeps a healthy balance in your gut.

      1. Well, there are the

        THE GOOD:
        Lactobacillus, they help us digest.

        Bifidobacterium Bifidum and Breve, they help cure ulcers

        Bacillus Coagulans, they are used to help diarrhea associated with an antibiotic regimen, traveler’s and children’s diarrhea, inflammatory bowel disease and irritable bowel syndrome.

        THE BAD:

        Gram-positive rods, these will cause human disease.

        Anthrax, this will cause fever, sore throat and muscle ache, but as the disease progresses, breathing becomes difficult, and eventually death occurs.

        Botulinum, this is a bad one, because it causes botulism, a rare but deadly disease. Some symptoms are nausea, vomiting, dizziness, fatigue and dry mouth. Eventually, swallowing becomes difficult, speech is slurred and breathing becomes impossible. Your chance of survival from a botulinum infection is likely, with proper treatment, usually an antitoxin. If left untreated however, those with botulism have a 35 to 64 percent chance of death.

        Thank you.

          1. Not just when we are ill but all the time but especially when we are I’ll

            We can prevent bad bacteria if we wash our hands properly with soap and water for 2 minutes

  8. Some bacteria can be good for your lungs, heart, brain, jaws and stomach but some can kill you or give you a bad cough so I would say yes

  9. These are some good bacteria:
    lactobacillus acidophilus
    bacillus coagulans
    bifidobacterium animalis
    escherichia coli
    lactococcus lactis
    lactobacillus reuteri

  10. i dont think that bacteria is good for you because i think its kind of like germ and if you get germ or bacteria you will be poorly or something

    1. So, whilst many forms of bacteria cause illnesses, there are some different types that can be beneficial. Could you find out about these types, Ruslan?

  11. Bacteria can be good for us like probiotics they are good for your health especially for your digestive system . I rest my case

  12. Here are some examples of good and bad bacteria.

    Lactobacillus acidophilus found in yogurt.
    Staphylococcus aureus found on our skin.
    Escherichia coli found in our gut to aid in digestion.
    Staphlyococcuspneumoniae which causes pneumonia.
    Clostridium botulinum which can contaminate canned goods and cause botulism.

  13. I think that bacteria can be good for you and some bacteria can bad for you. Yogurts are contains good heathy bacteria, Miso which is a soup from fermented soy is high in good bacteria too. Bacterias are necessary for our health and they can help prevent disease.

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