Pathogenic modification of plants enhances long-distance dispersal of nonpersistently transmitted viruses to new hosts.

ABSTRACT: Aphids spread the majority of plant viruses through nonpersistent transmission (NPT), whereby virus particles attach transiently to these insects' probing mouthparts. Virus acquisition from infected plants and inoculation to healthy host plants is favored when aphids briefly probe plant epidermal cells. It is well established that NPT virus infection can alter plant-vector interactions, and, moreover, such pathogen modifications are found in a range of plant and animal systems. In particular, viruses can make plants more attractive to aphids but inhibit aphid settling on infected plants. It is hypothesized that this viral "reprogramming" of plants promotes virus acquisition and encourages dispersal of virus-bearing aphids to fresh hosts. In contrast, it is hypothesized that virus-induced b

SUBMITTER: Donnelly R 

PROVIDER: S-EPMC6619343 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature