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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.

SUBMITTER: Pan H 

PROVIDER: S-EPMC3714654 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Differential effects of an exotic plant virus on its two closely related vectors.

Pan Huipeng H   Chu Dong D   Liu Baiming B   Shi Xiaobin X   Guo Litao L   Xie Wen W   Carrière Yves Y   Li Xianchun X   Zhang Youjun Y  

Scientific reports 20130101


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, wherea  ...[more]

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