PUT cells were selected from the XD line of cultured tobacco cells (Nicotiana tabacum L. cv. Xanthi-nc) for the ability to utilize putrescine as sole nitrogen source. Previous work had indicated that hydroxycinnamoylputrescines (principally caffeoylputrescine) and 4-amino-n-butyric acid (GABA) are
Transport of the herbicide amitrole (3-amino-1,2,4-triazole) by suspension cultured cells and leaf protoplasts of Nicotiana tabacum cv. Wisconsin 38 has been investigated. Cells were batch-cultured and routinely assayed 3 days after subculturing. Uptake rate was pH-independent, energy independent,
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