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Laser-based micromanipulation for separation and identification of individual Frankia vesicles
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2003 (English)In: FEMS Microbiology Letters, ISSN 0378-1097, E-ISSN 1574-6968, Vol. 224, no 1, 97-100 p.Article in journal (Refereed) Published
Abstract [en]

In studies of symbiotic efficiency it is of great importance to identify and separate individual Frankia strains from a nodule. Therefore, a new laser-based micromanipulation technique has been developed in which individual vesicles from root nodules of two Frankia-Alnus symbioses have been successfully cut loose and separated from clusters of vesicles in sterile conditions under light microscopy using a laser scalpel and optical tweezers. Vesicles from the Alnus incana-Frankia AvCIl symbiosis were successfully isolated and grown in culture using this technique. The DNA from both Frankia sources was amplified by polymerase chain reaction (PCR). The work shows that a combination of laser-based manipulation techniques and PCR can be used for the separation and study of individual vesicles. This novel laser-based micromanipulation technique opens up various new possibilities, for instance, to study whether several Frankia strains can grow simultaneously in the same root nodule. (C) 2003 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
2003. Vol. 224, no 1, 97-100 p.
Keyword [en]
DNA, laser scalpel, optical tweezers, PCR, RFLP, Frankia
URN: urn:nbn:se:umu:diva-44756DOI: 10.1016/S0378-1097(03)00435-XISI: 000184248400014OAI: diva2:424371
Available from: 2011-06-17 Created: 2011-06-09 Last updated: 2015-04-29

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Sellstedt, Anita
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Department of Plant PhysiologyUmeå Plant Science Centre (UPSC)
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