Journal
CURRENT OPINION IN PLANT BIOLOGY
Volume 38, Issue -, Pages 148-154Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2017.05.011
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Funding
- MEXT KAKENHI [JP15KK0276, JP16H04889]
- Grants-in-Aid for Scientific Research [15KK0276] Funding Source: KAKEN
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Beneficial microbes such as rhizobia possess effector proteins that are secreted into the host cytoplasm where they modulate host-signaling pathways. Among these effectors, type 3 secreted effectors (T3Es) of rhizobia play roles in promoting nitrogen-fixing nodule symbiosis, suppressing host defenses and directly activating symbiosis-related processes. Rhizobia use the same strategy as pathogenic bacteria to suppress host defenses such as targeting the MAPK cascade. In addition, rhizobial T3E can promote root nodule symbiosis by directly activating Nod factor signaling, which bypasses Nod factor perception. The various strategies employed by beneficial microbes to promote infection and maintain viability in the host are therefore crucial for plant endosymbiosis.
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