D'Souza, S. Jacinta ; Gudipati, Mohanram ; Dharmadhikari, A. Jayashree ; Dharmadhikari, K. Aditya ; Kashyap, Abhishek ; Aiyer, Manaswini ; Rao, Usha ; Mathur, Deepak ; Rao, J. Basuthkar (2009) Flagella-generated forces reveal gear-type motor in single cells of the green alga, Chlamydomonas reinhardtii Biochemical and Biophysical Research Communications, 380 (2). pp. 266-270. ISSN 0006-291X
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.bbrc.2009.01.049
Abstract
Optically trapped single cells of the biflagellated, green alga, Chlamydomonas reinhardtii, rotate. The rotational dynamics of trapped wild-type and mutant cells show that functional flagella play a decisive role: the entire flagellar apparatus (central microtubules, radial spokes, and dynein arms) is involved. Any aberration in this apparatus leads to non-functionality, indicating a gear-type mechanism. The translational and rotational motions of the wild-type and mutant cells do not differ significantly. Optical forces alone do not play a vital role in the rotational dynamics of this cellular motor, making them useful as probes of the internal dynamics without external influence.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Optical Tweezers; Green Alga; Chlamydomonas reinhardtii; Flagellar Mutants; Flagellar Action; Cellular Motors; Nano-Machine; Gear; Micro-Motor |
| ID Code: | 69074 |
| Deposited On: | 08 Nov 2011 04:33 |
| Last Modified: | 08 Nov 2011 04:33 |
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