Of chromoplasts and chaperones |
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Authors: | Giuliano Giovanni Diretto Gianfranco |
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Institution: | Italian Agency for New Technologies, Energy and the Environment, Casaccia Research Center, PO Box 2400, 00123 S.M. di Galeria, Roma, Italy. giuliano@casaccia.enea.it |
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Abstract: | Chromoplasts are carotenoid-accumulating plastids found in many fruits and flowers. In a new paper, Li and colleagues show that the Or gene of cauliflower induces differentiation of beta-carotene-containing chromoplasts in the (normally non-pigmented) curd tissue. This is the first time that a gene product controlling chromoplast differentiation is described. Or encodes an evolutionarily conserved DnaJ cysteine-rich domain-containing protein that can be used for metabolic engineering in crop plants, such as potato. |
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