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Outline
Rice bacterial leaf streak (BLS), caused by Xanthomonas oryzae pv. oryzicola (Xoc), is a significant quarantine disease. The pathogen exhibits both high genetic diversity and strong transmission capabilities. Driven by agricultural intensification and global warming, BLS has been progressively expanding across major indica rice-producing regions in southern China. This review systematically summarizes recent advances in Xoc-rice interaction mechanisms: (1) Pathogen perspective: elucidating pathogenic mechanisms of virulence factors (including T2SS, T3SS, and extracellular polysaccharides (EPS)) and pathovar differentiation patterns; (2) Host perspective: clarifying advances in PTI/ETI-mediated immunity signaling pathways, resistance (R) gene cloning, and susceptibility (S) gene editing; and (3) Future directions: proposing multi-omics approaches to decode Xoc pathogenicity networks, leveraging pan-genomics for large-scale mining of durable and broad-spectrum R genes, and constructing synergistic systems integrating S gene editing with immune activation to establish systematic solutions for sustainable BLS management.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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