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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

Co-expression network of PSR genes that were differentially expressed in roots of cpc, etc1 and try. Genes were clustered based on their co-expression relationships with a Pearson’s coefficient of ≥0.60 using the MACCU software package. Pink nodes denote genes that were up-regulated in the mutants, green nodes indicate genes with decreased transcript abundance and purple nodes represent genes that are regulated in opposite directions in different mutants.
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Figure 5: Co-expression network of PSR genes that were differentially expressed in roots of cpc, etc1 and try. Genes were clustered based on their co-expression relationships with a Pearson’s coefficient of ≥0.60 using the MACCU software package. Pink nodes denote genes that were up-regulated in the mutants, green nodes indicate genes with decreased transcript abundance and purple nodes represent genes that are regulated in opposite directions in different mutants.

Mentions: A custom-made co-expression network of the Pi-responsive genes that are dependent on at least one of the TFs under study was constructed using the MACCU toolbox, computed based on robust multi-array averaged array data derived from root-specific experiments for each tissue downloaded from NASCArrays (http://affymetrix.arabidopsis.info/; Lin et al., 2011) with a Pearson correlation coefficient cutoff P≤0.6. This procedure yielded one large cluster (C1) that could be subdivided into three sub-clusters (C1A-C1C) and one smaller cluster (C2) (Fig. 5).


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)

Co-expression network of PSR genes that were differentially expressed in roots of cpc, etc1 and try. Genes were clustered based on their co-expression relationships with a Pearson’s coefficient of ≥0.60 using the MACCU software package. Pink nodes denote genes that were up-regulated in the mutants, green nodes indicate genes with decreased transcript abundance and purple nodes represent genes that are regulated in opposite directions in different mutants.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

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

Figure 5: Co-expression network of PSR genes that were differentially expressed in roots of cpc, etc1 and try. Genes were clustered based on their co-expression relationships with a Pearson’s coefficient of ≥0.60 using the MACCU software package. Pink nodes denote genes that were up-regulated in the mutants, green nodes indicate genes with decreased transcript abundance and purple nodes represent genes that are regulated in opposite directions in different mutants.
Mentions: A custom-made co-expression network of the Pi-responsive genes that are dependent on at least one of the TFs under study was constructed using the MACCU toolbox, computed based on robust multi-array averaged array data derived from root-specific experiments for each tissue downloaded from NASCArrays (http://affymetrix.arabidopsis.info/; Lin et al., 2011) with a Pearson correlation coefficient cutoff P≤0.6. This procedure yielded one large cluster (C1) that could be subdivided into three sub-clusters (C1A-C1C) and one smaller cluster (C2) (Fig. 5).

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