May 4, 2024

Desulfovibrio Bacteria: Researchers Discover a Potential Cause of Parkinson’s Disease

Scientists at the University of Helsinki have actually connected specific Desulfovibrio bacterial strains to the primary reason for Parkinsons disease, activating α-synuclein protein aggregation. This development enables screening for and removal of these damaging germs from the gut, possibly preventing Parkinsons disease.
Scientists at the University of Helsinki have actually demonstrated that particular stress of Desulfovibrio germs are the likely cause of Parkinsons illness most of the times. The study enables the screening of the providers of Desulfovibrio strains and the removal of the bacteria from the gut– also making it possible to prevent Parkinsons disease.
” Our findings are significant, as the cause of Parkinsons illness has actually gone unknown regardless of attempts to determine it throughout the last two centuries. The findings show that specific pressures of Desulfovibrio germs are most likely to trigger Parkinsons illness. The illness is mainly caused by environmental aspects, that is, environmental direct exposure to the Desulfovibrio bacterial stress that trigger Parkinsons illness. Only a little share, or approximately 10%, of Parkinsons disease is caused by individual genes,” says Professor Per Saris from the University of Helsinki.
The goal of Professor Sariss research group was to experimentally investigate whether the Desulfovibrio stress discovered in patients can result in progress towards Parkinsons disease.

The findings show that specific strains of Desulfovibrio bacteria are most likely to trigger Parkinsons disease. The disease is mostly triggered by ecological elements, that is, environmental direct exposure to the Desulfovibrio bacterial strains that cause Parkinsons disease. They can be targeted by measures to remove these strains from the gut, possibly easing and slowing the signs of patients with Parkinsons illness.

Aggregation of alpha-synuclein in a nerve cell. Credit: Timo Myöhänen research study group
The principal finding of the groups just recently published research study was that these strains in clients with Parkinsons disease cause aggregation of the α-synuclein protein on a statistically considerable level in a design organism for Parkinsons disease. The worm Caenorhabditis elegans was used as the model organism.
The study also found that Desulfovibrio pressures isolated from healthy individuals do not trigger α-synuclein aggregation to the same degree. On the other hand, the aggregates triggered by the Desulfovibrio stress in clients with Parkinsons disease were likewise bigger.
” Our findings make it possible to evaluate for the providers of these harmful Desulfovibrio bacteria. As a result, they can be targeted by measures to eliminate these pressures from the gut, possibly easing and slowing the symptoms of patients with Parkinsons illness. Once the Desulfovibrio germs are eliminated from the gut, α-synuclein aggregates are no longer formed in digestive cells, from which they take a trip towards the brain via the vagus nerve like prion proteins,” Saris amounts up.
Reference: “Desulfovibrio bacteria boost alpha-synuclein aggregation in a Caenorhabditis elegans model of Parkinsons disease” by Vy A. Huynh, Timo M. Takala, Kari E. Murros, Bidhi Diwedi and Per E. J. Saris, 1 May 2023, Frontiers in Cellular and Infection Microbiology.DOI: 10.3389/ fcimb.2023.1181315.