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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Branny, Pavel Petříčková, Kateřina Ulrych, Aleš Rampírová, Petra Goldová, Jana Benada, Oldřich Petříček, Miroslav Kofroňová, Olga |
| Copyright Year | 2013 |
| Abstract | The genome of Streptomyces coelicolor encodes six potential WD-40 genes. Two of them, the wdpB (SCO5953) and the wdpC (SCO4422) genes, were studied to determine their function. Deletion of the wdpB gene resulted in a considerable decrease of aerial hyphae formation, leading to a conditionally bald phenotype, and reduced undecylprodigiosin production. In addition, the aerial hyphae of the ΔwdpB mutant strain were unusually branched and showed the signs of irregular septation and precocious lysis. Disruption of wdpC resulted in the reduction of undecylprodigiosin and delayed actinorhodin production. The ΔwdpC mutant strain showed precocious lysis of hyphae and delayed sporulation without typical curling of aerial hyphae in the early sporulation stage. The whole-genome transcriptome analysis revealed that deletion of wdpB affects the expression of genes involved in aerial hyphae differentiation, sporulation and secondary metabolites production. Deletion of wdpC caused downregulation of several gene clusters encoding secondary metabolites. Both the wdp genes seem to possess transcriptional autoregulatory function. Overexpression and genetic complementation studies confirmed the observed phenotype of both mutants. The results obtained suggest that both genes studied have a pleiotropic effect on physiological and morphological differentiation. |
| Starting Page | 1453 |
| Ending Page | 1469 |
| Page Count | 17 |
| File Format | HTM / HTML PDF |
| ISSN | 1742206X |
| Volume Number | 9 |
| Issue Number | 6 |
| Journal | Molecular BioSystems |
| DOI | 10.1039/c3mb25542e |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Phenotype Pleiotropy Gene Lysis Actinorhodin Transcriptome Streptomyces Mutation Genome WD40 repeat |
| Content Type | Text |
| Resource Type | Article |
| Subject | Molecular Biology Biotechnology |
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