Abstract
AbstractMaize Iranian mosaic virus (MIMV, family Rhabdoviridae) causes an important disease in cereal crops in Iran. It is transmitted by the planthopper Laodelphax striatellus in a persistent, propagative manner. In the present study, the effect of MIMV on the energy reserves of L. striatellus was studied by comparing energy contents in viruliferous and non‐viruliferous insects. Results showed that MIMV‐infected male and female adults, and nymphs stored 1.82, 2.24 and 1.7‐fold more total energy reserves than non‐viruliferous individuals. This is consistent with a 2.55‐fold increase of the total energy (sum of energy sources in nymphs and adults) of viruliferous compared to non‐viruliferous specimens. A significant increase in glycogen (2.26‐fold), carbohydrate (2.13‐fold), lipid (1.63‐fold) and protein (1.96‐fold) was documented in viruliferous insects compared to non‐viruliferous insects. Based on these results, we conclude that MIMV enhances the energy reserves of its vector and therefore, may play a vital role in the ecology of L. striatellus.
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