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Tag: microbiology

The cycle of life… and death… below your feet

Posted April 23, 2019 by Adrienne Keller

Photo of a deciduous temperate forest in autumn, with leaves senescing and leaf litter on the forest floor in various stages of decomposition.

As an ecosystem ecologist, I study how the cycle of life and death influences forest structure and changes over time. A walk in the woods might illuminate the forest’s dynamism as you observe squirrels tending to their buried acorn caches and listen to woodpeckers feasting on grubs. In contrast, the plant community may appear more… Read more »

The Microorganism Survival Toolkit: Dormancy

Posted November 20, 2018 by Guest Contributor

Alt Text: Colorized microscope image of multiple soil bacteria.

The author is ScIU guest writer Emmi Mueller, a graduate student in IU’s Department of Biology. What do the deepest parts of the ocean, the human intestine, and outer space have in common? All of these environments are able to harbor a diverse community of microorganisms. Microbes are involved in everything from nitrogen and carbon cycling to… Read more »

Employing wheat’s bacterial partners to fight a pathogen: An internship experience

Posted August 23, 2018 by Briana K. Whitaker

This post is from the US Department of Agriculture’s blog. It was originally published on August 7, 2018, and has been lightly edited with a short introduction on internship experiences for graduate students. Internships in graduate school can be a fantastic experience. They can expose you to a completely new way to do science outside… Read more »

A gut feeling: Demas lab explores how microbiome influences social behavior

Posted May 1, 2018 by Kat Munley

A profile view of two humans facing each other. The brain of each person is comprised of different food items, including fruits, vegetables, ice cream, and candy.

Social behavior is most commonly associated with electrical and chemical signaling in the brain. But, did you know that your gut may also communicate with your brain? There is emerging evidence that the gut microbiome, a population of about 100 trillion microorganisms that resides in the gastrointestinal tract, may communicate with the central nervous system… Read more »

The social lives of bacteria

Posted January 3, 2017 by Amrita Bhattacharya

“Man is by nature a social animal; an individual who is unsocial naturally and not accidentally is either beneath our notice or more than human.” —- Aristotle This famous quote by Aristotle gets at the heart of what is considered the most human quality – being social. However, biologists have long known that ‘social behaviors’… Read more »

New research at IU explores links between gut microbiota and the brain

Posted August 30, 2016 by Rachel Skipper

You might be surprised to learn that your body is home to tens of trillions of microorganisms. In fact, your body contains more microbes than it does human cells. While that might sound a bit worrisome, these tiny, single-celled organisms are extremely important for human health. For example, the microbes that live in the gut… Read more »

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