Keygene N.v.

Bjorn Alexander Kloosterman

Michiel Theodoor Jan De Both

Rik Hubertus Martinus Op Den Camp

Bernarda Gerharda Johanna Fierens-onstenk

Genetic modification of plants is hampered by the limited capacity of plant cells to regenerate. The current invention solves this problem by introducing or increasing the expression of a histidine kinase in a plant cell. Preferred histidine kinases are at least one of CHK2, CHK3 and CHK4. The invention therefore concerns a method for improving a cytokinin-induced regeneration capacity of a plant cell, wherein the method comprises a step of increasing or introducing the expression of a histidine kinase in the plant cell. The invention further pertains to a method for regenerating a plant, wherein the method comprises a step of introducing or increasing the expression of a histidine kinase and to a plant obtainable from such method. Moreover, the method concerns the use of at least one of CHK2, CHK3 and CHK4 for improving a cytokinin-induced regeneration capacity of a plant.

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Wageningen, Netherlands

Bjorn Alexander Kloosterman