Cotton Gene Reduces Plant Sensitivity to Stress at Seedling Stage
October 10, 2018| |
Seed germination and seedling establishment in cotton, the most important crop used globally for fiber and oil, are impaired by abiotic stresses. PLATZ proteins, which are zinc-finger transcription factors involved in plant abiotic stress responses, are present in cotton, but studies about them are limited.
Researchers from Shandong Agricultural University in China investigated the biological and physiological functions of the cotton gene GhPLATZ by expressing it in Arabidopsis via Agrobacterium-mediated transformation. They determined the gene expression of the transgene and proceed to the analysis of seed germination and cotyledon greening and abscisic acid (ABA) content. Results showed that with the increased expression of the gene in the transgenic plant, seed germination was faster, and seed establishment was higher under salt- and mannitol-stressed conditions. The gene expression is considered to be mediated by ABA, gibberellin, and ethylene pathways.
For more information, read the article in BMC Plant Biology.
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