The Food and Drug Administration has said that it has found disease-causing bacteria, as well as mold-like and powdery substances in Tom’s of Maine products and facilities. In a letter to ...

Biofilms are communities of microorganisms that attach to each other and to surfaces, for example by bacterial adherence. Biofilms consist of both the cells and the extracellular matrix produced ...

关于《环球科学》和“科研圈”《环球科学》是世界领先科技媒体《科学美国人》独家授权中文版，服务于中国公众与科技群体，提供前沿科技报道与领先的科技资讯。《科学美国人》（Scientific American）创刊于1845年，是全球连续出版历史最长的科技期刊，为全球超过 500 万读者提供有关科技的前瞻报道和深度解读，在 14 ...

A bacterial gene is the minimal contiguous stretch of DNA in a bacterium that contains the expressed and regulatory sequences sufficient to complement the function of a null mutation in trans.