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Coupled, circumferential motions of the cell wall synthesis machinery and MreB filaments in B. subtilis.(REPORTS)(Author abstract)(Report)

Garner, Ethan C. ; Bernard, Remi ; Wang, Wenqin ; Zhuang, Xiaowei ; Rudner, David Z. ; Mitchison, Tim

Science, July 8, 2011, Vol.333(6039), p.222(4) [Tạp chí có phản biện]

ISSN: 0036-8075

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  • Nhan đề:
    Coupled, circumferential motions of the cell wall synthesis machinery and MreB filaments in B. subtilis.(REPORTS)(Author abstract)(Report)
  • Tác giả: Garner, Ethan C. ; Bernard, Remi ; Wang, Wenqin ; Zhuang, Xiaowei ; Rudner, David Z. ; Mitchison, Tim
  • Chủ đề: Cytoskeletal Proteins -- Research ; Bacillus Subtilis -- Physiological Aspects ; Bacterial Cell Walls -- Research ; Microbiological Synthesis -- Research ; Bacterial Proteins -- Research
  • Là 1 phần của: Science, July 8, 2011, Vol.333(6039), p.222(4)
  • Mô tả: Rod-shaped bacteria elongate by the action of ceil wail synthesis complexes linked to underlying dynamic MreB filaments. To understand how the movements of these filaments relate to ceil wail synthesis, we characterized the dynamics of MreB and the ceil wail elongation machinery using high-precision particle tracking in Bacillus subtilis. We found that MreB and the elongation machinery moved circumferentially around the cell, perpendicular to its length, with nearby synthesis complexes and MreB filaments moving independently in both directions. Inhibition of ceil wall synthesis by various methods blocked the movement of MreB. Thus, bacteria elongate by the uncoordinated, circumferential movements of synthetic complexes that insert radial hoops of new peptidoglycan during their transit, possibly driving the motion of the underlying MreB filaments. 10.1126/science.1203285
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0036-8075

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