Title |
The upregulation of thiamine (vitamin B1) biosynthesis in Arabidopsis thaliana seedlings under salt and osmotic stress conditions is mediated by abscisic acid at the early stages of this stress response
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Published in |
BMC Plant Biology, January 2012
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DOI | 10.1186/1471-2229-12-2 |
Pubmed ID | |
Authors |
Maria Rapala-Kozik, Natalia Wolak, Marta Kujda, Agnieszka K Banas |
Abstract |
Recent reports suggest that vitamin B1 (thiamine) participates in the processes underlying plant adaptations to certain types of abiotic and biotic stress, mainly oxidative stress. Most of the genes coding for enzymes involved in thiamine biosynthesis in Arabidopsis thaliana have been identified. In our present study, we examined the expression of thiamine biosynthetic genes, of genes encoding thiamine diphosphate-dependent enzymes and the levels of thiamine compounds during the early (sensing) and late (adaptation) responses of Arabidopsis seedlings to oxidative, salinity and osmotic stress. The possible roles of plant hormones in the regulation of the thiamine contribution to stress responses were also explored. |
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Demographic breakdown
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Student > Doctoral Student | 8 | 7% |
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Other | 5 | 4% |
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