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Microbial cell factories that produce pharmaceutical ingredients and other useful compounds include both the bacterium Escherichia coli and yeast, the organism used to leaven bread and ferment alcohol. The two organisms turn ...
Every cell in an organism contains the same DNA, which carries all the instructions needed for it to function. Yet cells do not all use the same genes: A nerve cell, for example, does not activate the same genes as a muscle ...
Most invasive species are introduced into the areas where they become damaging. That's part of why they tend to be so successful in taking over new environments and causing billions of dollars in damage.
Chemosynthetic bacteria have been documented in various marine environments and in association with invertebrate hosts such as annelid worms and mollusks, but their presence in fish appears to be a new discovery. The findings ...
For many years, antibiotics have been added to animal feed to help control harmful bacteria and improve growth. But amid concerns about antibiotic resistance—when bacteria adapt to survive treatments that would normally kill ...
A new tool to mutate bacteriophages—viruses that infect bacteria—provides a "big leap" forward in our understanding of how they function and our ability to harness their full potential.
A cell's ability to repair its damaged DNA is one of the most fundamental processes in biology, helping protect us from diseases like cancer. Over the years, researchers have unraveled many of the mechanisms cells use to ...
About 66 million years ago, the asteroid that ended the age of the dinosaurs paved the way for a spectacular expansion of new animal species. During this period, ants rose to ecological dominance. Today, they form the largest ...
In the first detailed chromosome map of the aardwolf, Texas A&M University researchers have discovered that, despite millions of years of separate evolution, the chromosomes of aardwolves, other hyenas and even domestic cats ...
The bacteria living on frogs' skin could play a vital role in protecting the animals from a deadly fungal disease. A team of researchers led by Penn State scientists found that frogs' natural skin bacteria can help them fight ...
