Most species of bacteria can be broadly divided into two groups, known as gram-positive and gram-negative. These categories reflect big differences in the microbes' biology, and they also dictate ...

Elements similar to SaPIs have been detected in related Gram-positive bacteria, prompting a name change to phage-related chromosomal islands (PRCIs). PRCIs are normally quiescent until they are ...

An antibiotic developed some 80 years ago before being abandoned and forgotten could again offer exciting new solutions, this ...

点击上方“Vaccine前研”，关注最新疫苗动态婴幼儿是社会的未来，他们的健康状况直接影响着一个国家的发展和稳定。但幼年时期的他们时刻站在健康与疾病的十字路口。尤其是六个月以下的婴幼儿，免疫系统尚未完全觉醒，是细菌与病毒虎视眈眈的目标。接种疫苗可以帮 ...

Researchers have discovered a new cell division pathway in MRSA that enables high-level resistance to β-lactam antibiotics, ...

And the PM10 and PM2.5 levels were more than the recommended value of the National Air Quality Standards (NAAQS).

Decades ago, scientists looking for an alternative to animal testing cloned factor C, the horseshoe crab protein that senses ...

Among the bacteria identified were gram-positive cocci, which can lead to skin infections, and antibiotic-resistant gram-negative rods. The study noted that free weights had 362 times more bacteria ...

This electron microscopic image provided by the Centers for Disease Control and prevention depicts two, round-shaped, Gram-positive, Streptococcus pneumoniae bacteria.(AP) Doctors in North Texas say ...

2009). This preservative has activity against gram-positive and gram-negative bacteria, including Pseudomonas aeruginosa. It also covers some yeasts and fungi (Maier et al., 2009; Marks et al., ...

anaerobic gram-positive cocci, and Fusobacterium species. The presence of these bacteria is only "normal" if the titer of resident flora is low. When bacterial titers exceed 1000 colony forming ...