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| Content Provider | Springer Nature Link |
|---|---|
| Author | Barash, I. Manulis, S. |
| Copyright Year | 2005 |
| Abstract | A mechanism of virulence mediated byhrp-genes is present in many Gram-negative bacterial pathogens. It involves delivery of effector proteins into host cellsvia the type III secretion system (TTSS) and the interaction of TTSS effectors with plant proteins. These interactions may either promote responses beneficial to the pathogen or trigger the hypersensitive response if an effector is recognized by corresponding resistance protein.Pantoea agglomerans, which is widespread in nature mainly as an epiphyte, has evolved into ahrp-dependent and host-specific tumorigenic pathogen by acquiring a plasmid containing a pathogenicity island (PAI). This PAI harbors ahrp-gene cluster, and genes encoding for TTSS effector proteins and biosynthesis of IAA and cytokinins. The results reviewed describe how the interplay between negative-acting and positive-acting TTSS effectors determines the transformation ofP. agglomerans into two related pathovars. Furthermore, the PAI’s structure supports the premise that these pathovars are recently evolved pathogens. Finally, the possible interaction between TTSS effectors and phytohormones for gall formation is proposed. |
| Starting Page | 317 |
| Ending Page | 324 |
| Page Count | 8 |
| File Format | |
| ISSN | 03342123 |
| Journal | Phytoparasitica |
| Volume Number | 33 |
| Issue Number | 4 |
| e-ISSN | 18767184 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2005-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Type III secretion system Type III effectors biotroph necrotroph plasmid hrp-gene cluster galls IAA cytokinins virulence pathogenicity island IS elements Plant Pathology Plant Sciences Ecology Agriculture Life Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Insect Science |
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