期刊
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
卷 65, 期 5, 页码 1270-1273出版社
TAYLOR & FRANCIS LTD
DOI: 10.1271/bbb.65.1270
关键词
cultured tobacco cells; ethylene-responsive factor (ERF); pathogenesis-related protein; post-transcriptional regulation
The expression of pathogenesis-related protein-Sd CPR-Sd) and ethylene-responsive transcriptional factors (ERF1-4 for basic PR-proteins was measured in cultured tobacco cells, The PR-Sd transcript markedly increased with culture, but only constant levels of transcripts of ERF1 (trans-activator) and ERF3 (repressor) were detected in cells, These different responses of PR-5d and ERF genes were also observed under NaCl stress; PR-Sd transcript decreased and ERF levels were constant under NaCl stress. The effect of post-transcriptional regulation of ERF activity, especially ERF3, on the expression of basic PR genes including PR-Sd is discussed.
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