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US 8,232,088 B2Granted
Genetically engineered herbicide resistance for maintaining axenic cultures
AssigneeTransAlgae Ltd
InventorsOfra Chen, Shai Einbinder, Daniella Schatz, Doron Eisenstadt, Jonathan Gressel
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Abstract
This disclosure provides herbicide resistant algae and cyanobacteria. This disclosure also provides a method to cultivate algae and cyanobacteria in axenic cultures without contaminating species. Moreover, this disclosure provides transgenic algal and cyanobacterial cells that are capable of high production in high light intensities as typically applied in cultivation. Furthermore, a novel transformation method is provided for algal cells.
Claims16
A method to maintain a cyanobacterial or algal monoculture free from unwanted species, said method comprising the steps of:
- a) Transforming a cyanobacterium or an alga with a nucleotide sequence to express resistance against one or more herbicides;
- b) Cultivating said cyanobacterium or alga expressing resistance against one or more herbicides;
- and c) adding one or more herbicides into the cultivation medium;
- wherein said alga or said cyanobacterium is transformed with a nucleotide sequence encoding for a protein conferring resistance to said one or more herbicides, wherein said protein has a sequence encoded according to the nucleotide sequence selected from the group consisting of SEQ ID NOs 1-6, 11 and 12.
1 more element
Dependencies are inferred from the claim text.