Control of fruit ripening and senescence in plants

Details Control of fruit ripening and senescence in plants Control of fruit ripening and senescence in plants

1991-12-17

1996-04-30

Fox, David T.

Chemistry: molecular biology and microbiology

Treatment of micro-organisms or enzymes with electrical or...

Modification of viruses

4353201, 435 691, 435 701, 536 232, 800205, 800200, 800DIG44, A12N 1531, A12N 1563, A12N 1582, C01H 508

Patent

active

055124666

ABSTRACT:
A method for controlling the ripening of fruits and vegetables as well as a method for controlling senescence of plant tissue is described. The method generally embraces the expression of an ACC metabolizing enzyme in the fruit or other desired plant tissue to inhibit the production of ethylene in the fruit or plant tissue. The use of the ACC metabolizing enzyme ACC deaminase is described in detail. The ripening or senescence process in the fruit or plant tissue is inhibited by the expression of the ACC deaminase gene such that the shelf-life and marketability of the fruit or plant is enhanced. The ACC metabolizing enzyme may be used in combination with other methods for reducing ethylene production in transformed plants to further reduce the production of ethylene in the fruit or plant. DNA constructs containing the ACC deaminase gene are also described.

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