Molecular analysis of genes in Nostoc punctiforme involved in pilus biogenesis and plant infection |
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| Authors: | Duggan Paula S Gottardello Priscila Adams David G |
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| Affiliation: | Institute of Integrative and Comparative Biology, Garstang Building, Faculty of Biological Sciences, University of Leeds, Leeds, LS2 9JT, United Kingdom. |
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| Abstract: | Hormogonia are the infective agents in many cyanobacterium-plant symbioses. Pilus-like appendages are expressed on the hormogonium surface, and mutations in pil-like genes altered surface piliation and reduced symbiotic competency. This is the first molecular evidence that pilus biogenesis in a filamentous cyanobacterium requires a type IV pilus system. |
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