Boehringer Ingelheim obtains United States patent.The Rockefeller University Rockefeller University, philanthropic organization in New York City, founded 1901 as the Rockefeller Institute for Medical Research by John D. Rockefeller for furthering medical science and its allied subjects and to make knowledge of these subjects available to the (New York New York, state, United States New York, Middle Atlantic state of the United States. It is bordered by Vermont, Massachusetts, Connecticut, and the Atlantic Ocean (E), New Jersey and Pennsylvania (S), Lakes Erie and Ontario and the Canadian province of , NY) has patented a plant gene, Esr 1, which when overexpressed in plant cells results in cells which have cytokinin-independent cell growth. This feature allows the encoded protein ESR1 to be used as a selectable marker A selectable marker is a gene introduced into a cell, especially a bacterium or to cells in culture, that confers a trait suitable for artificial selection. They are a type of reporter gene used in laboratory microbiology, molecular biology, and genetic engineering to indicate the of transformed cells by growing the transformed cells on cytokinin-free media. It has also been found that overexpression of ESR1 in cells grown in the presence of cytokinins results in a higher regeneration Regeneration (biology) The process by which an animal restores a lost part of its body. Broadly defined, the term can include wound healing, tissue repair, and many kinds of restorative activities. of plants. This feature allows the gene to be used to obtain greater regeneration of plant cells. (US 6,812,378) |
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