PSYCH OpenIR  > 中国科学院心理健康重点实验室
Frequency-Dependent Escherichia coli Chemotaxis Behavior
Zhu, Xuejun1,2; Si, Guangwei1,2; Deng, Nianpei2; Ouyang, Qi1,2; Wu, Tailin2; He, Zhuoran2; Jiang, Lili3; Luo, Chunxiong1,2; Tu, Yuhai2,4; Zhu, XJ (reprint author), Peking Univ, Ctr Microfluid & Nanotechnol, State Key Lab Artificial Microstruct & Mesoscop P, Sch Phys, Beijing 100871, Peoples R China.
2012-03-23
Source PublicationPHYSICAL REVIEW LETTERS
ISSN0031-9007
SubtypeArticle
Volume108Issue:12
Contribution Rank3
AbstractWe study Escherichia coli chemotaxis behavior in environments with spatially and temporally varying attractant sources by developing a unique microfluidic system. Our measurements reveal a frequency-dependent chemotaxis behavior. At low frequency, the E. coli population oscillates in synchrony with the attractant. In contrast, in fast-changing environments, the population response becomes smaller and out of phase with the attractant waveform. These observations are inconsistent with the well-known Keller-Segel chemotaxis equation. A new continuum model is proposed to describe the population level behavior of E. coli chemotaxis based on the underlying pathway dynamics. With the inclusion of a finite adaptation time and an attractant consumption rate, our model successfully explains the microfluidic experiments at different stimulus frequencies.
Subject AreaMedical Psychology
URL查看原文
Indexed BySCI
Language英语
Funding OrganizationNSF of China [11021463, 11074009, 11174012] ; MOST of China [2009CB918500] ; NFFTBS of China [J0630311] ; NIH [R01GM081747]
Project Intro.The authors would like to thank S. B. Liang and Y. H. Jin for discussions. This work is partially supported by the NSF of China (11021463, 11074009, 11174012), the MOST of China (2009CB918500), and the NFFTBS of China (J0630311). Y. T. is partially supported by a NIH grant (No. R01GM081747).
WOS IDWOS:000301854400011
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/12824
Collection中国科学院心理健康重点实验室
Corresponding AuthorZhu, XJ (reprint author), Peking Univ, Ctr Microfluid & Nanotechnol, State Key Lab Artificial Microstruct & Mesoscop P, Sch Phys, Beijing 100871, Peoples R China.
Affiliation1.Peking Univ, Ctr Microfluid & Nanotechnol, State Key Lab Artificial Microstruct & Mesoscop P, Sch Phys, Beijing 100871, Peoples R China
2.Peking Univ, Ctr Theoret Biol, Acad Adv Interdisciplinary Studies, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Lab Funct Connectome & Dev, Key Lab Behav Sci, Inst Psychol, Beijing 100101, Peoples R China
4.IBM Corp, TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA
Recommended Citation
GB/T 7714
Zhu, Xuejun,Si, Guangwei,Deng, Nianpei,et al. Frequency-Dependent Escherichia coli Chemotaxis Behavior[J]. PHYSICAL REVIEW LETTERS,2012,108(12).
APA Zhu, Xuejun.,Si, Guangwei.,Deng, Nianpei.,Ouyang, Qi.,Wu, Tailin.,...&Zhu, XJ .(2012).Frequency-Dependent Escherichia coli Chemotaxis Behavior.PHYSICAL REVIEW LETTERS,108(12).
MLA Zhu, Xuejun,et al."Frequency-Dependent Escherichia coli Chemotaxis Behavior".PHYSICAL REVIEW LETTERS 108.12(2012).
Files in This Item:
File Name/Size DocType Version Access License
WOS_000301854400011.(544KB) 限制开放Apache LicenseView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Zhu, Xuejun]'s Articles
[Si, Guangwei]'s Articles
[Deng, Nianpei]'s Articles
Baidu academic
Similar articles in Baidu academic
[Zhu, Xuejun]'s Articles
[Si, Guangwei]'s Articles
[Deng, Nianpei]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Zhu, Xuejun]'s Articles
[Si, Guangwei]'s Articles
[Deng, Nianpei]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: WOS_000301854400011.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.