ArticleNature communications2022
Hyphal compartmentalization and sporulation in Streptomyces require the conserved cell division protein SepX.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 25 citations in OpenAlex.
- Colony politics to chemical warfare: phenotypic plasticity in Streptomyces.Essays in biochemistry · 2026Review
- Myxobacteria isolated from recirculating aquaculture systems (RAS): ecology and significance as off-flavor producers.Applied and environmental microbiology · 2025Article
- Peptidoglycan-reshuffling proteins SCO0954, SCO1758, SCO4439, and SCO4440 modulate the formation of wall-deficient cells in Streptomyces coelicolor under hyperosmotic sucrose stress.Scientific reports · 2025Article
- Morphology-engineered alleviation of mycelial aggregation inSynthetic and systems biotechnology · 2025Article
- Exploring pigment-producing Streptomyces as an alternative source to synthetic pigments: diversity, biosynthesis, and biotechnological applications. A review.World journal of microbiology & biotechnology · 2025Review
- Microbe Profile:Microbiology (Reading, England) · 2025Review
- A dispensable SepIVA orthologue in Streptomyces venezuelae is associated with polar growth and not cell division.BMC microbiology · 2024Article
- The Best of Both Worlds-Streptomyces coelicolor and Streptomyces venezuelae as Model Species for Studying Antibiotic Production and Bacterial Multicellular Development.Journal of bacteriology · 2023Review
- Cytoplasmic contractile injection systems mediate cell death in Streptomyces.Nature microbiology · 2023Article
- Structural basis of dual activation of cell division by the actinobacterial transcription factors WhiA and WhiB.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- FtsZ phosphorylation pleiotropically affects Z-ladder formation, antibiotic production, and morphogenesis in Streptomyces coelicolor.Antonie van Leeuwenhoek · 2023Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 2 countries.
Funding
Abstract
Filamentous actinobacteria such as Streptomyces undergo two distinct modes of cell division, leading to partitioning of growing hyphae into multicellular compartments via cross-walls, and to septation and release of unicellular spores. Specific determinants for cross-wall formation and the importance of hyphal compartmentalization for Streptomyces development are largely unknown. Here we show that SepX, an actinobacterial-specific protein, is crucial for both cell division modes in Streptomyces venezuelae. Importantly, we find that sepX-deficient mutants grow without cross-walls and that this substantially impairs the fitness of colonies and the coordinated progression through the developmental life cycle. Protein interaction studies and live-cell imaging suggest that SepX contributes to the stabilization of the divisome, a mechanism that also requires the dynamin-like protein DynB. Thus, our work identifies an important determinant for cell division in Streptomyces that is required for cellular development and sporulation.
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