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The paralogous R3 MYB proteins CAPRICE, TRIPTYCHON and ENHANCER OF TRY AND CPC1 play pleiotropic and partly non-redundant roles in the phosphate starvation response of Arabidopsis roots.

Chen CY, Schmidt W - J. Exp. Bot. (2015)

Bottom Line: The data show that in an intricate interplay between the three MYBs regulate several developmental, physiological and metabolic processes that are putatively located in different tissues.Control of gene activity is partly mediated through the regulation of potential antisense transcripts.The current dataset extends the known functions of R3 MYB proteins, provides a suite of novel candidates with critical function in root hair development under both control and Pi-deficient conditions, and challenges the definition of genetic redundancy by demonstrating that environmental perturbations may confer specific functions to orthologous proteins that could have similar roles under control conditions.

View Article: PubMed Central - PubMed

Affiliation: Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan Molecular and Biological Agricultural Sciences Program, Taiwan International Graduate Program, Academia Sinica, Taipei, Taiwan, and National Chung-Hsing University, Taichung, Taiwan Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, Taiwan.

No MeSH data available.


Related in: MedlinePlus

Over-represented GO categories (biological function) of genes that were differentially expressed in roots of cpc, etc1 or try under (A) control and (B) Pi-deficient conditions. (This figure is available in colour at JXB online.)
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Figure 4: Over-represented GO categories (biological function) of genes that were differentially expressed in roots of cpc, etc1 or try under (A) control and (B) Pi-deficient conditions. (This figure is available in colour at JXB online.)

Mentions: Gene ontology (GO) enrichment analysis of genes dependent on CPC, ETC1 or TRY reveals that the biological function categories ‘cell organization and biogenesis’, ‘developmental process’, ‘DNA/RNA metabolism’ and ‘electron transport or energy pathways’ were less prominent in plants grown on low Pi, while genes belonging to the GOs ‘response to biotic or abiotic stimulus’, ‘response to stress’ and ‘signal transduction’ showed increased abundance (Fig. 4). This suggests that a dynamic shift in the roles of the three TFs under study is induced by subjecting the plants to Pi starvation.


The paralogous R3 MYB proteins CAPRICE, TRIPTYCHON and ENHANCER OF TRY AND CPC1 play pleiotropic and partly non-redundant roles in the phosphate starvation response of Arabidopsis roots.

Chen CY, Schmidt W - J. Exp. Bot. (2015)

Over-represented GO categories (biological function) of genes that were differentially expressed in roots of cpc, etc1 or try under (A) control and (B) Pi-deficient conditions. (This figure is available in colour at JXB online.)
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4507782&req=5

Figure 4: Over-represented GO categories (biological function) of genes that were differentially expressed in roots of cpc, etc1 or try under (A) control and (B) Pi-deficient conditions. (This figure is available in colour at JXB online.)
Mentions: Gene ontology (GO) enrichment analysis of genes dependent on CPC, ETC1 or TRY reveals that the biological function categories ‘cell organization and biogenesis’, ‘developmental process’, ‘DNA/RNA metabolism’ and ‘electron transport or energy pathways’ were less prominent in plants grown on low Pi, while genes belonging to the GOs ‘response to biotic or abiotic stimulus’, ‘response to stress’ and ‘signal transduction’ showed increased abundance (Fig. 4). This suggests that a dynamic shift in the roles of the three TFs under study is induced by subjecting the plants to Pi starvation.

Bottom Line: The data show that in an intricate interplay between the three MYBs regulate several developmental, physiological and metabolic processes that are putatively located in different tissues.Control of gene activity is partly mediated through the regulation of potential antisense transcripts.The current dataset extends the known functions of R3 MYB proteins, provides a suite of novel candidates with critical function in root hair development under both control and Pi-deficient conditions, and challenges the definition of genetic redundancy by demonstrating that environmental perturbations may confer specific functions to orthologous proteins that could have similar roles under control conditions.

View Article: PubMed Central - PubMed

Affiliation: Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan Molecular and Biological Agricultural Sciences Program, Taiwan International Graduate Program, Academia Sinica, Taipei, Taiwan, and National Chung-Hsing University, Taichung, Taiwan Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, Taiwan.

No MeSH data available.


Related in: MedlinePlus