Pollen tubes are rapidly growing, photosynthetically inactive cells that need high rates of energy to support growth. Energy can derive from internal and external storage sources. The lack of carbon sources can cause...
Tag - Nicotiana tabacum
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Over-expression of Trxo1 and cell viability under H2O2 stress
Ortiz-Espín et al. treat over-expressing PsTrxo1 tobacco (Nicotiana tabacum) BY-2 cells with H2O2 and find a significant delay in cell death compared to controls, which may in part be due to a decreased content of...
Cytokinins can trigger hypersensitive-like responses
Activating the gene ipt to produce high levels of cytokinins in tobacco is sufficient to trigger fast cell death without intervening chlorosis.
PHAN and compound leaf morphology
For both simple and compound leaves, a MYB domain transcription factor PHANTASTICA (PHAN) plays an important role in establishing the adaxial domain in the leaf. Zoulias et al. generate and analyse transgenic tomato...
Hybrid proline-rich proteins and cell elongation
The growth of plant cells is generally related to loosening of the cell wall, which allows cell expansion driven by osmotic water uptake. Dvorakova et al. demonstrate a correlation between over-expression of genes...
