Tobacco Leaf Cell Colonies

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Description (Brief)
This object is a sample of tobacco leaf cell colonies that have been successfully genetically transformed using the biolistic gene gun prototype produced by John Sanford, Ed Wolf, and Nelson Allen at Cornell University in Ithaca, New York. Biolistic gene guns are used to genetically transform plants by shooting microprojectiles (tiny bullets) covered in DNA into plant cells. The blue color of the cells is due to one of the genes that was inserted, the GUS reporter system. Cells in which the GUS gene was successfully taken in and utilized produced a blue chemical. The blue cells therefore represented the success of the genetic transformation via the biolistic process.
To learn more about biolistic gene guns, please see gene gun prototype II (object number 1991.0785.02) or gene gun prototype III (object number 1991.0785.01.1).
Location
Currently not on view
Physical Description
paper (overall material)
plastic (overall material)
Measurements
average spatial: 1.6 cm x 6.1 cm; 5/8 in x 2 3/8 in
ID Number
1991.0785.03.7
catalog number
1991.0785.03.7
accession number
1991.0785
See more items in
Medicine and Science: Biological Sciences
Science & Mathematics
Biotechnology and Genetics
Biolistic Gene Guns
Data Source
National Museum of American History, Kenneth E. Behring Center

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