Researchers have discovered tiny, RNA-based structures called “obelisks” that inhabit the human microbiome, including the mouth and digestive tract. These obelisks are similar to viroids, which are known to infect plants, but their function is still unknown.
The discovery was made by a team of researchers led by Ivan Zheludev at Stanford University, who examined data from humans around the world for signs of these mysterious structures. They found obelisks in the gut, mouth, and stool, suggesting they may be widespread in the human microbiome.
However, it’s unclear what role these obelisks play in human health or disease. Some researchers believe they might provide protection against certain infections, while others think they could have a detrimental effect.
“We don’t know how obelisks affect their host,” says Zheludev. “And we’re not even sure if they are beneficial or deleterious.”
Further research is needed to understand the role of these mysterious microorganisms in human health. The discovery of obelisks could also provide insights into the building blocks of life itself.
The finding highlights the complexity and diversity of the human microbiome, which is still a relatively unexplored area of study. As researchers continue to investigate these tiny structures, they may uncover new information about the intricate relationships between humans and their microorganisms.
Source: https://www.discovermagazine.com/health/mysterious-microbial-obelisks-colonize-our-gut-mouth-and-stool