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Key to controlling fruit ripening found.

London, Nov 2 ( ANI ): Fruits can now be engineered to ripen on command, as scientists have identified a protein that plays a key role in its development.

According to a study, manipulating the protein, can change the rate at which tiny structures in plant cells develop and create the bright pigments which give ripened fruit its distinctive colour, the Telegraph reported.

It raises the prospect of farmers being able to speed up or delay the ripening of entire crops of fruit to prevent them falling victim to unseasonal weather.

Scientists from Leicester University have applied to patent the technique, and are now planning to test it on tomatoes, bell peppers and citrus fruits.

In a study, researchers demonstrated for the first time that a regulatory system which governs how proteins are broken down in plant cells also affects chloroplasts - structures which control photosynthesis.

Using thale cress, a small flowering plant, they showed that altering a particular gene could change the speed with which chloroplasts transform into other structures in plant cells, including those involved in the ripening of fruit.

Testing the mechanism on crop plants will prove whether or not it could one day be used commercially to ensure fruit always ripens at the right time, the researchers explained.

"We are already transferring the work into tomatoes so I would think within a year we will know whether or not it is going to work in principle," Prof Paul Jarvis, leader of the project, said.

"It is incredible to get to this point - it has been a long journey. We have known for some time that this was going to be a big breakthrough," he said.

Because the same regulatory system governs various other aspects of plant development, such as how quickly leaves age, it could also be used for other purposes such as keeping crops alive for longer, he added.

The study is published in the Science journal. ( ANI )

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Publication:Asian News International
Date:Nov 2, 2012
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