Very little is known on the interactions of TYLCV and its Bemisia tabaci vector. Although many parameters of acquisition and transmission have been established (see Part III, Chapter 2), the localization of TYLCV particles in the whitefly has been barely studied. TYLCV is transmitted in a circulative manner. Once ingested during feeding on phloem of infected plants, the viral particles cross the midgut wall barrier, are transported through the haemolymph to the salivary system, cross the salivary gland barrier and are transmitted to the plant during feeding (Ghanim et al., 2001a). Few research articles describe the anatomy of B. tabaci organs and cells in relation to virus translocation, retention, and transmission. In this chapter we will describe the anatomy of the different B. tabaci tissues pertinent to TYLCV circulative transmission and illustrate the localization of viral particles in the body of the insect vector. Figure 1 provides the reader with the location of the major organs of B. tabaci: the piercing-sucking mouthparts, digestive, and salivary systems. These organs will be presented in details. Other organs will be described where needed. Localization of TYLCV in the different organs will be shown according to the temporal order by which the viral particles translocate in the insect body (Ghanim et al., 2001b; Medina et al., 2007).
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Ghanim, M., Medina, V. (2007). Localization of Tomato Yellow Leaf Curl Virus in its Whitefly Vector Bemisia Tabaci . In: Czosnek, H. (eds) Tomato Yellow Leaf Curl Virus Disease. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-4769-5_10
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