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Salinity stress-responsive transcription factors in the liverwort Marchantia polymorpha
Hiroyuki Tanaka1, Rin Suzuki2, Nanako Okabe2
1Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan.
Abstract:
Salinity stress limits plant growth and productivity. To cope with this limitation, the expression patterns of numerous genes are altered in response to salt stress; however, the regulatory mechanisms involved in these changes are unclear. In the present study, we investigated the regulation of the salinity stress response in the liverwort Marchantia polymorpha. The growth of M. polymorpha gemmalings was severely inhibited by NaCl, and RNA-sequencing and quantitative RT-PCR analyses revealed that the expression of several transcription factor gene families was induced by salinity stress. This work provides insight into the molecular mechanisms underlying the salinity stress response in M. polymorpha.
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Transcription
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
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