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. 1976 Jan;129(3):239-44.
doi: 10.1007/BF00398264.

5-Bromodeoxyuridine: A specific inhibitor of cytokinin-habituation in tobacco cell culture

F Meins Jr  1
Affiliations

5-Bromodeoxyuridine: A specific inhibitor of cytokinin-habituation in tobacco cell culture

F Meins Jr. Planta. 1976 Jan.

Abstract

Cytokinin-habituated cells of Nicotiana tabacum L. cv. "Havana 425" are able to grow in culture without added cytokinin. The thymidine analogue, 5-bromodeoxyuridine (BUdR), which selectively inhibits differentiation of animal cells, blocks expression of the cytokinin-habituated phenotype in culture. This effect is prevented by thymidine and is reversible. These findings suggest that habituation and animal cell differentiation have a common mechanism. BUdR provides a useful tool for investigating the metabolism of cell division factors and its regulation in higher plant cells.

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