Biofilms UPSC pre 2022

Biofilms UPSC

Bacteria are small, Single-celled organisms that we can not see with our naked eyes.

While we often think of them as individual free-swimming entities, these resourceful organisms can often be found in groups called Biofilms.

Biofilms can also be understood as a social group of Bacteria.

To build Biofilms bacteria produce a sticky material that works like glue, called the Biofilms matrix, that helps the bacteria stick to each other and to surfaces.

Bacteria stick to each other and expose surfaces creating slimy coatings to protect them from environmental pressure.[the way family and friend help us in managing different stress]

Because of their resilience, biofilms can thrive in many environments, including soil, Deep sea and Our food.

For humans, Biofilms can be harmful and helpful depending on where they form and the types of Bacteria that live on them.

Consider the following statements:- UPSC pre 2022

1. Biofilms can form on medical implants within human tissues.

2. Biofilms can form on food and food processing surfaces.

3. Biofilms can exhibit antibiotic resistance.

Which of the statements given above are correct?

(a) 1 and 2 only

(b) 2 and 3 only

(d) 1, 2 and 3

PYQ link - Pre 93

Biofilms

What are Biofilms and where can they form

Beneficial uses of Biofilms

1. Water Purification

Biofilm-forming bacteria can eat harmful chemicals in the ocean, Improving water quality for marine life.

2. Biofilms can help support and protect food crops.

When added to soil certain bacteria can form biofilms on plant roots and absorb extra nutrients.

Other Biofilms can help shield plants from disease-causing Microbes such as fusarium [a fungus that harms pea plants]

Still, researchs are going on biofilms on how they form.

Reference -

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