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Fruit Fly Gene Clone 'Library': P[acman] As New Research Tool

Date:
May 27, 2009
Source:
Baylor College of Medicine
Summary:
Using a specially adapted tool called P[acman], scientists have established a library of clones that cover most of the genome of Drosophila melanogaster (fruit fly) and should speed the pace of genetic research.

Using a specially adapted tool called P[acman], a collaboration of researchers led by Baylor College of Medicine has established a library of clones that cover most of the genome of Drosophila melanogaster (fruit fly) and should speed the pace of genetic research.

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In a report in the current online issue of the journal Nature Methods, Dr. Hugo Bellen, a professor of molecular and human genetics at BCM and a Howard Hughes Medical Institute investigator, and his colleagues describe the new libraries.

P[acman]– developed by Dr. Koen Venken in Bellen's laboratory– allows scientists to study large chunks of DNA in living flies. The vector – officially P/phiC31 artificial chromosome for manipulation – combines different technologies: a specially designed bacterial artificial chromosome (BAC) that allows maintenance of large pieces of DNA in bacteria, recombineering that allows the manipulation of large pieces of DNA in bacteria, and the ability to insert the genomic DNA into the genome of the fly at a specific site using phiC31-mediated transgenesis.

Venken adapted the P[acman] vector to create genomic libraries, so that a researcher can choose a gene and find the corresponding clones in the library that cover that gene. Their collaborators at Lawrence Berkeley National Laboratory, Drs. Roger Hoskins and Joseph Carlson, played a key role in the design, construction, and annotation of the libraries.

"You can insert a single copy of a gene and rescue a mutation, or do a structure/function analysis of the gene," Bellen said. "If you don't know where the gene is expressed, you can tag it, put it back and locate where it is expressed."

Others who took part in this work include Karen L. Schulze, Hongling Pan and Yuchun He of BCM, Ken Wan (LBNL), Rebecca Spokony and Kevin P. White of the University of Chicago, and Maxim Koriabine and Pieter J. de Jong of Children's Hospital Oakland Research Institute in California.

Funding for this work came from the Howard Hughes Medical Institute, the National Institutes of Health and the BCM Intellectual and Developmental Disabilities Research Center.

The library is available at http://pacmanfly.org/.


Story Source:

The above story is based on materials provided by Baylor College of Medicine. Note: Materials may be edited for content and length.


Cite This Page:

Baylor College of Medicine. "Fruit Fly Gene Clone 'Library': P[acman] As New Research Tool." ScienceDaily. ScienceDaily, 27 May 2009. <www.sciencedaily.com/releases/2009/05/090524170643.htm>.
Baylor College of Medicine. (2009, May 27). Fruit Fly Gene Clone 'Library': P[acman] As New Research Tool. ScienceDaily. Retrieved December 19, 2014 from www.sciencedaily.com/releases/2009/05/090524170643.htm
Baylor College of Medicine. "Fruit Fly Gene Clone 'Library': P[acman] As New Research Tool." ScienceDaily. www.sciencedaily.com/releases/2009/05/090524170643.htm (accessed December 19, 2014).

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