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Gut bacteria can manufacture special proteins that are very similar to hunger-regulating hormones. Lighthunter/Shutterstock

How the bacteria in our gut affect our cravings for food

We’ve long known that that the gut is responsible for digesting food and expelling the waste. More recently, we realised the gut has many more important functions and acts a type of mini-brain, affecting…
You can never be too safe. government_press_office

Households are new source of antibiotic-resistant superbug

Human skin is a garden of microbes which is home to about 1,000 bacterial species. Most are benign but some invade the skin and cause illness – and of these, antibiotic resistant bacteria are particularly…
The make up of a person’s gut bacteria changes when they develop Crohn’s disease. Ohmega1982/Shutterstock

Good vs bad bacteria: the bugs responsible for Crohn’s disease

New links between the bacteria in your gut and disease are being made almost daily. We know, for instance, that the microbial communities residing in your intestines have a role in your mood and levels…
Trypanosomes in the blood. Wendy Gibson

Caught in the act: microbes do have sex

There is no denying that humans think sex is important, but it also matters for microbes. Sex allows genes from two parents to be mixed, leading to new combinations of genes in the offspring. In the past…
The trillions of bacteria in your gut can affect your brain – psychologically and physically. Helga Weber

Navel gazing: healthy gut bacteria can help you stress less

Striking new evidence indicates that the gut microbiome, the ecological community of microorganisms that share our body, has a huge effect on brain function – much larger than we thought. It has long been…

Vacuum dust could carry harmful bacteria

Bacteria and mould found in the dust created by vacuums could lead to health problems in people with allergies, infants and…
It’s not you, it’s the bacteria in your gut. Alaina Abplanalp Photography

Gut feeling: how bacteria can mess with your mood

Probiotics are something of a new dietary craze. Foods contain healthy “probiotic” bacteria, and these microbes can promote good gastrointestinal (GI) health. But what about your brain? Apparently, bacteria…
Australia’s food chain has among the lowest rates of antibiotic resistance, but new threats call for stronger monitoring. Eli Duke

The hunt is on for superbugs in Australian animals

Australia has some of the world’s most conservative restrictions on using antimicrobial drugs in livestock. Possibly as a consequence, we have some of the lowest rates in the world of antibiotic resistance…
Microbial abundances in the sub-seafloor environment are much more variable than thought. giveawayboy

Drastic measures: a revised estimate of Earth’s microbes

A paper released today in the journal PNAS provides a new estimate of microbial abundance, in light of new information, from the sub-seafloor realm (the so-called “deep biosphere”). As such, we now have…

Stowaway yeast breeds lager beer industry

Researchers believe they have finally identified the variety of wild yeast that now underpins the entire lager beer industry…

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