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UPSC » UPSC CSE Study Materials » Science and Technology » Bacteriophage

Bacteriophage

Read more to know about Bacteriophages and their characteristics.

Table of Content
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A bacteriophage can be described as a type of virus that infects bacteria. To understand the meaning of the word bacteriophage in a precise manner, it can be said that it means – ‘bacteria eater’. This can be because bacteriophages have the ability to destroy their host cells. Thus, this was just to give a brief understanding regarding the concept of bacteriophage. As we move forward, we shall focus in detail on other topics such as understanding bacteria eaters and types of virus that infects bacteria.  

Bacteriophage

Bacteriophage can also be called a bacterial virus or phage. It can be described as a group of viruses which has the ability to infect bacteria. Bacteriophages can also lead to infection amongst the archaea which can be described as prokaryotic organisms, single-celled in nature. In the next section we shall focus on the characteristics and notable points regarding bacteriophages.

Bacteriophages – Characteristics 

There can be thousands of different phages existing. Phages can be categorized into diverse virus families, for example, Inoviridae, Rudiviridae, Tectiviridae and Microviridae. Similar to various viruses, one can also describe phages as simple organisms consisting of a core genetic material that is surrounded by a protein capsid. The nucleic acid can be either RNA or DNA and may also be single-stranded or double-stranded. 

Bacteriophages may be described as being present almost everywhere in the environment, that is having ubiquitous nature. They can be widely diverse in terms of their morphology, genomic organization and size. Similar to all viruses, bacteriophages can also be called as being very species-specific in accordance with their hosts. These bacteriophages are mainly a particular bacterial species or may even infect some particular strain that can be found in a species. 

One can say that the bacteriophage can attach itself to a vulnerable bacterium and thereby lead to an infection in the host cell. After the process of infecting the host cell, the bacteriophage takes over the cellular machinery of the bacterium to prevent it from the production of bacterial components. The bacteriophage forces the production of viral components in the cell. Further, one can note that the assembling of new bacteriophages takes place and there is bursting out of the bacterium in the method known as lysis. In laboratory research, phages are said to play a significant role. 

There can be various benefits of phages. The benefits can include the point that phages can be useful for overcoming the limitations of many antibiotics. Bacteria also have the ability to replicate rapidly, the selective pressure of antibiotics can encourage the appearance of strains that are antibiotic-resistant.

Thus, with the help of the above sections, one can gain a better understanding of bacteriophages, the types of virus that infects bacteria and the name bacteria eater.  

Conclusion

As observed from the above sections, an understanding of bacteriophages and their various aspects can be gained in a better manner. One can understand that the word bacteriophages refers to ‘bacteria eaters’. Thus, it can be said that small viruses known as bacteriophages can lead to infection in the bacteria. The bacteria can be described as having simply a DNA piece that is surrounded by a coat of protein. The bacteriophages can multiply very rapidly after attacking a bacterium. Thus, it can be concluded that with the help of the above discussion one can gain a better understanding of various concepts such as bacteriophages, the term bacteria eater, and the structure and characteristics of bacteriophages. 

faq

Frequently asked questions

Get answers to the most common queries related to the UPSC Examination Preparation.

What do we know about the process called transduction?

Answer. Transduction is a process which may take place occasionally. In this p...Read full

What can be the challenges with regard to phage therapy?

Answer:  There can be a lot of challenges with regard to phage therapy. The f...Read full

What can be the clinical significance with regards to bacteriophages?

Answer. Bacteriophages can be called clinically significant for a lot of diffe...Read full

What do we know about bacteriophages and their general characteristics?

Answer: It can be said that bacteriophages are also known as phages and they are the group of viruses that infect ba...Read full

Answer. Transduction is a process which may take place occasionally. In this process the bacteriophages can eliminate a part of the bacterial DNA of their host cells at the time of the infection and further transmit this DNA into the new host cells’ genome, thus this whole process can be called the process of transduction. 

Answer:  There can be a lot of challenges with regard to phage therapy. The first challenge can be it can be crucial for the doctors to learn specifically which strain of bacteria is leading to the infection. Another challenge can be a limitation regarding the phage therapy’s regulatory approval. Thus, this certain challenge that can be there with regards to phage therapy can be understood. 

Answer. Bacteriophages can be called clinically significant for a lot of different reasons. Firstly, it can be noted that bacteriophages can be vectors when it comes to horizontal gene transfer. Further, the detection of bacteriophages can also be important as a biomarker for the occurrence of their host in a composite environmental sample. Apart from this, bacteriophages can also be said to be of clinical significance because of their ability to differentiate between the strains of similar species of bacteria. Apart from all these points, bacteriophages were also one of the initial types of viruses that were discovered and have been a component of several significant discoveries with regard to molecular biology. Thus, with this one can understand the various brief points which shed light on the clinical significance of the phages. 

Answer: It can be said that bacteriophages are also known as phages and they are the group of viruses that infect bacteria. They replicate in the bacterial cells. In the environment, it can be said that bacteriophages are of ubiquitous nature and can be identified on Earth as a very abundantly found biological agent. The bacteriophages can be widely varying in terms of morphology, genomic organization and size. Thus, with this one can gain a better understanding of bacteriophages and their general characteristics. 

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