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Tracing cell trajectories in a biofilm
Science ( IF 56.9 ) Pub Date : 2020-07-02 , DOI: 10.1126/science.abd1225
Alma Dal Co 1 , Michael P Brenner 1
Affiliation  

Single bacterial cells are programmed to form multicellular structures Born in 1881 on a farm in Pennsylvania, Alice C. Evans dedicated her life to studying bacteria in dairy products. Early in her career, Alice became convinced that most bacteria display multicellular behavior as part of their life cycles. At the time, the morphological changes observed in bacterial life cycles created confusion among scientists. In 1928, as the first female president of the American Society for Microbiology, Alice wrote to the scientific community: “When one-celled organisms grow in masses, … individual cells influence and protect one another.” She continued, “Bacteriologists need not feel chagrinned … to admit that… forms they have considered as different genera are but stages in the life cycle of one species” (1). Nearly 100 years later, on page 71 of this issue, Qin et al. (2) make a substantial leap forward in deciphering cell dynamics in biofilms—groups of microorganisms that adhere to a surface, and each other, by excreting matrix components.

中文翻译:

追踪生物膜中的细胞轨迹

单个细菌细胞被编程形成多细胞结构 Alice C. Evans 于 1881 年出生于宾夕法尼亚州的一个农场,毕生致力于研究乳制品中的细菌。在她职业生涯的早期,Alice 确信大多数细菌都表现出多细胞行为作为其生命周期的一部分。当时,在细菌生命周期中观察到的形态变化让科学家们感到困惑。1928 年,作为美国微生物学会的第一位女性主席,爱丽丝写信给科学界:“当单细胞生物大量生长时,……单个细胞会相互影响和保护。” 她继续说道,“细菌学家不必感到懊恼……承认……他们认为不同属的形式只是一个物种生命周期中的阶段”(1)。将近 100 年后,在本期第 71 页,Qin 等人。(2) 在破译生物膜中的细胞动力学方面取得了实质性的飞跃 - 微生物群通过排泄基质成分粘附在表面上,并相互粘附。
更新日期:2020-07-02
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