IISER Bhopal research finds great important differences
IISER Bhopal research has shown the differences in the type of gut bacteria between Indian and Western populations. These variations arise from the differences in the diet patterns in these two regions – the Indian diet being richer in carbohydrates and fibre than the Western.
IISER Bhopal research work
Dr. Vineet K. Sharma, Associate Professor, Department of Biological Sciences, IISER Bhopal, along with his collaborators from the South Dakota State University, USA has also elucidated the relationship between gut bacteria and inflammatory diseases such as Irritable Bowel Syndrome (IBS).
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Human gut
The human gut contains 300-500 types of bacteria that are necessary for our survival. These bacteria help in digestion, protect us from infections and even produce essential vitamins and neurochemicals.
In 2011, German scientists classified human beings into three ‘enterotypes,’, depending on the kind of bacteria that dominates the gut – Prevotella, Bacteroides or Ruminococcus.
Uniqueness
Dr. Vineet K. Sharma of IISER Bhopal highlighted the uniqueness of the research. Most enterotype studies are largely based on the Western population and have not correlated the type of dominant gut bacteria with the type of diet.”
In the largest gut metagenome study from India, the IISER Bhopal team studied the bacterial profile of 200 gut samples taken from people from several Indian locations – Madhya Pradesh, Delhi-NCR, Rajasthan and Maharashtra, Bihar and Kerala.
This bacterium also dominates the guts of other populations that consume a carbohydrate- and fibre-rich diet, such as the Italian, Madagascarian, Peruvian, and Tanzanian.
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The gut microbiomes of people from Western countries like the USA are dominated by Bacteroides.
Functional role
To understand the functional roles of the Prevotella type bacteria, the researchers performed genomic analyses and found that the bacteria contained specific locations (“loci”) in their genomes that are responsible for metabolising complex plant carbohydrates and fibres.
It is thus logical that this type of bacteria predominates the gut microbiome of healthy Indian and non-western population that consumes a diet rich in plant-carbohydrates and fibres.
‘This is pioneering study that investigates the role of Prevotella species on human health in different populations, and reveals the significance of P. copri in the metabolism of complex polysaccharides and dietary fibres in non-western populations,’ explained the lead author.
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Another interesting observation by the team was that other Prevotella species such as P. intermedia and P. nigrescens were found in the guts of the Western population. These bacteria are usually found in the mouth, which points to a mouth-gut axis.
These bacterial species are inflammatory and have high virulence and antibiotic resistance genes. These species make the Western population more susceptible to gut inflammatory diseases.
About IISER Bhopal
Established by the Ministry of Education (then Ministry of Human Resource & Development), Government of India, in 2008, IISER Bhopal is the youngest of the first five IISERs.
In a decade, the Institute has received several distinctions, duly carving out its own position in the national and international arena.
With a vision to provide high quality education to the students and contribute to the society through its research, IISER Bhopal is the first IISER to have been declared by the Ministry of Education for project competition.
IISER Bhopal is continuously consolidating its position in the National land International rankings and has secured 40th place in The National Institutional Ranking Framework, Ministry of Education, Government of India.
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Along with this, IISER Bhopal has gained rank 201 in the overall category of the QS Asia Ranking. The Institute has also been ranked 26 (National Rank, out of 63 in the 1000 Institutes) in the Times Higher Education 2021 Rankings.
S Vishnu Sharmaa now works with collegechalo.com in the news team. His work involves writing articles related to the education sector in India with a keen focus on higher education issues. Journalism has always been a passion for him. He has more than 10 years of enriching experience with various media organizations like Eenadu, Webdunia, News Today, Infodea. He also has a strong interest in writing about defence and railway related issues.
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