Researchers identify bacterial mechanism for vitamin B12 uptake

A team of scientists led by Dr. Ulrich Kleinekathöfer, professor of Theoretical Physics at Constructor University in Bremen, has now discovered how B12 is absorbed by certain intestinal bacteria. Published in the journal ...

Scientists discover first nitrogen-fixing organelle

Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as legumes, do so by harboring symbiotic bacteria ...

How mosquitoes find humans to bite

In a paper appearing online February 6 in Science, professor of biology Paul Garrity, Ph.D. student Chloe Greppi, post-doctoral fellow Willem Laursen and several colleagues report that they've figured out an important part ...

New study links common herbicides and antibiotic resistance

A new study finds that bacteria develop antibiotic resistance up to 100,000 times faster when exposed to the world's most widely used herbicides, Roundup (glyphosate) and Kamba (dicamba) and antibiotics compared to without ...

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