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28 janv. 2017 · Lighthouses and signal fires may have been the first social media. Without the ability to share language, a distant light meant "humans here." A new study from the University of California, San Diego, finds that bacteria can also send out a universal sign to attract the attention of their own, and other bacterial species.
6 janv. 2017 · Syphilis displays resistance to azithromycin, the antibiotic that is the second drug of choice for treating its infection. The good news is that, so far, no Treponema strains have been detected that are resistant to penicillin, the first-line antibiotic for syphilis treatment. — Natasha Arora, Zurich Institute of Forensic Medicine.
14 mars 2017 · Rabbits have been a persistent problem in Australia for over 150 years. Now the Peel Harvey Catchment Council (PHCC) and Peel-Harvey Biosecurity Group have released a strain of the rabbit haemorrhagic disease virus (RHDV), called RHDV1 K5, to reduce the number of pests in the Murray region of New South Wales.
29 août 2017 · The bacteria in our gut — a community called the gut microbiome — have been in the spotlight a lot lately. What we're learning about how our intestinal bacteria adapt and grow with our bodies could help athletes perform better, according to researchers starting a company focused on creating probiotics that mimic athletes' microbiomes.
2 sept. 2017 · Strawberries were weighed daily as a measure of degradation. (1) Strawberries and bananas without the new wrap (left) and with (right). (2) Whole and halved tomatoes and sliced apples, without the new wrap (left) and with (right). Images via Hayriye Ünal. After 10 days, tomatoes wrapped with the new film were fresher than the ones wrapped in ...
13 mai 2017 · Bioluminescence — the ability of an organism to produce and emit light — is nature's light show. Plants, insects, fish, and bacteria do it, and scientists understand how. Until now, though, we didn't know how fungi glow. Now, thanks to research led by Zinaida Kaskova in the Institute of Bioorganic Chemistry at Russian Academy of Sciences, we've figured out how some mushrooms glow. The ...
4 mars 2017 · Yes, bubonic plague—the Black Death that killed millions in the Middle Ages— is still out there. It even infects and kills people in the United States. Without treatment, half the people infected die, but the Food and Drug Administration approved ciprofloxacin in 2015 to treat plague, and it has just successfully been used to stop the infection in five people.
16 juin 2017 · Yogurt Isn't Just a Probiotic — Its Unique Proteins Kill Bad Bacteria. Yogurt is more than an excellent source of protein, calcium, and gut-healthy probiotic bacteria. A protein isolated from probiotic lactobacillus bacteria in yogurt is capable of inhibiting drug-resistant bacteria. Rachelle Allen-McFarlane, a doctoral candidate at Howard ...
8 avr. 2017 · In the ongoing search to find better ways to use antibiotics, an extract made from maple syrup has some surprisingly important medical benefits. As bacteria continue to outmaneuver antibiotics, our options for treating infections narrow. Plus, slimy bacterial communities called biofilms are rapidly proving a difficult and dangerous problem in healthcare settings and on medical devices.
28 janv. 2017 · Using extreme time-lapse microscopy, scientists watched a virus take over a bacteria to create a cell that looked and functioned more like a plant or animal cell. True story.
