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Fig. 7 | Phytopathology Research

Fig. 7

From: Detection and characterization of rice orange leaf phytoplasma infection in rice and Recilia dorsalis

Fig. 7

Proposed model for ROLP entrance, multiplication, and release from insect vectors during transmission. ROLPs acquired from diseased rice plants sequentially traverse the perimicrovillar membrane, microvilli, and apical plasmalemma to enter the intestinal epithelium, where ROLPs produce abundant offspring via budding. The offspring successively traverse the basal lamina and serosal barrier to enter hemolymph. ROLPs in hemolymph then traverse the basal lamina of salivary cells to enter and produce offspring, which finally traverse the apical plasmalemma into saliva storage cavities. Finally, ROLPs are horizontally transmitted to rice phloem together with saliva during insect feeding on rice plants. Blue arrows indicate the process of phytoplasma spread. AP, apical plasmalemma; BL, basal lamina; CV, cavity; EC, epithelial cell; GL, gut lumen; Mv, microvilli; N, nucleus; PM, perimicrovillar membrane; SB, serosal barrier; SC, salivary cytoplasm; SD, salivary duct; VM, visceral muscle

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Phytopathology Research

ISSN: 2524-4167