Research Progress on the Molecular Mechanisms of Interactions Between Candidatus Liberibacter and Citrus
Candidatus Liberibacter is a phloem-colonizing gram-negative bacterium,which is yet to be isolated and cultured in vitro.There are currently no effective remedies and no commercially available citrus varieties that are resistant to HLB.In this review,the research progress on the molecular mechanism of the interaction between Candidatus Liberibacter and citrus was reviewed from the aspects of HLB and its pathogenic mechanism,citrus resistance(tolerance)HLB mechanism and disease resistance resource discovery.Based on molecular-assisted breeding techniques such as gene editing,the process of citrus disease resistance breeding was prospected,which provided theoretical reference and gene resource information for further analysis of the pathogenic mechanism of HLB and resistance breeding.
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