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Promotion of shoot development and tuberisation in potato by expression of a chimaeric cytokinin synthesis gene at normal and elevated CO 2 levels

Tao, Guo-Qing; Letham, D Stuart; Yong, Jean; Zhang, Kerong; John, Peter Crook; Schwartz, Owen; Wong, Suan Chin; Farquhar, Graham


The bacterial cytokinin biosynthesis gene ipt under control of a chalcone synthase promoter (PCHS) was introduced into potato (Solanum tuberosum L.). Two transgenic lines were selected for detailed study, because in these, root development was reduced only moderately, thus, enabling the plants to be grown in pots. Expression of the PCHS-ipt gene elevated the level of zeatin cytokinins markedly in the apical bud, subapical stems and leaves. The transgenic (IPT) plants exhibited a lower and...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Functional Plant Biology
DOI: 10.1071/FP07032


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