title: Differential effects of an exotic plant virus on its two closely related vectors.
abstract: Concurrent spread of Tomato yellow leaf curl virus (TYLCV) with invasion of Bemisia tabaci Q rather than B in China suggests a more mutualistic relationship between TYLCV and Q than B. To assess this hypothesis, we quantified the impacts of TYLCV on the performance and competitiveness of B and Q in the laboratory. The results showed that relative to their non-infected counterparts feeding on cotton (a non-host for TYLCV), infected B exhibited significant reductions in life-history traits, whereas infected Q only showed marginal reductions. While Q performed better on TYLCV-infected tomato plants than on uninfected ones, the reverse was observed in B. Q displacement by B took one more generation on TYLCV-infected tomato plants than on healthy ones. These results demonstrate that TYLCV was indirectly mutualistic to Q but directly and indirectly parasitic to B.
authors.affiliation: Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, P. R. China.
authors.forename: Huipeng
authors.initials: H
authors.lastname: Pan
authors.forename: Dong
authors.initials: D
authors.lastname: Chu
authors.forename: Baiming
authors.initials: B
authors.lastname: Liu
authors.forename: Xiaobin
authors.initials: X
authors.lastname: Shi
authors.forename: Litao
authors.initials: L
authors.lastname: Guo
authors.forename: Wen
authors.initials: W
authors.lastname: Xie
authors.forename: Yves
authors.initials: Y
authors.lastname: Carrière
authors.forename: Xianchun
authors.initials: X
authors.lastname: Li
authors.forename: Youjun
authors.initials: Y
authors.lastname: Zhang
mesh_terms: D000818:Animals; D053839:Begomovirus / Q000502:physiology*; D005260:Female; D003368:Gossypium / Q000469:parasitology / Q000821:virology; D006430:Hemiptera / Q000821:virology*; D007303:Insect Vectors / Q000821:virology*; D018551:Solanum lycopersicum / Q000469:parasitology / Q000821:virology; D008297:Male; D010935:Plant Diseases / Q000469:parasitology / Q000821:virology