Journal
TROPICAL PLANT PATHOLOGY
Volume 45, Issue 6, Pages 559-571Publisher
SPRINGER
DOI: 10.1007/s40858-020-00375-4
Keywords
Huanglongbing; 'CandidatusLiberibacter asiaticus'; Asian citrus psyllid; Vector-borne pathogens; Bacteria-vector interactions; Multitrophic interaction
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Funding
- INCT Citrus [CNPQ 465440/2014-2, FAPESP 2014/50880-0]
- USDA NIFA-SCRI [2019-70016-29096]
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Interactions between insects and plant pathogens have been more enthusiastically studied in the recent decade, especially those relationships which takes the insects as vectors. The spectrum of these interactions ranges from mutualistic to pathogenic. The length of the co-evolutionary process will determine whether a microorganism shares a friend or a foe relationship with its host, and a friendship connection is frequently observed if the coexistence is longer. This review updates knowledge about the morphological, physiological and genetic mechanisms that drive the interaction between 'CandidatusLiberibacter asiaticus' (Las) and its vector, the Asian citrus psyllid,Diaphorina citri. Las is the predominant causal agent of citrus huanglongbing (HLB) disease, the major constrain to citrus production worldwide. This bacterium is transmitted byD. citri, in a propagative-circulative manner during its feeding from plant host. Understanding of the interactions among vector, plant pathogen and host plant are important for the management of this vector-borne disease complex.
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