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Annals of Applied Biology
MARKHAM, P.G., John Innes Institute, Colney Lane, Norwich, NR4 7UH, United Kingdom
PINNER, M.S., John Innes Institute, Colney Lane, Norwich, NR4 7UH, United Kingdom
RACCAH, B., John Innes Institute, Colney Lane, Norwich, NR4 7UH, United Kingdom
HULL, R., John Innes Institute, Colney Lane, Norwich, NR4 7UH, United Kingdom
The acquisition and transmission of cauliflower mosaic virus (CaMV) by six aphid species and three clones of aphids was studied and compared with that of turnip mosaic virus (TuMV) with Myzus persicae. Two clones of Aphis fabae were unable to transmit CaMV, but the other species, Acyrthosiphon pisum, Brevicoryne brassicae, Megoura viciae, M. persicae and Rhopalosiphum padi transmitted in a bior multi‐phasic manner. There was no statistical evidence of a bimodal transmission pattern. R. padi is recorded as a vector of CaMV for the first time. The transmission efficiency of CaMV varied with time of acquisition and suggested that accumulation of the virus occurred with two peaks of efficiency within the anterior region of the insect gut. The time at which these two peaks occurred varied between the species, but the basic pattern was common to all transmitting aphid species in this study. This pattern contrasted with that of TuMV. The transmission data are discussed in terms of bimodal transmission, the influence of feeding behaviour, the role of a helper protein associated with both TuMV and CaMV and the evidence for site specific attachment of CaMV. Copyright © 1987, Wiley Blackwell. All rights reserved
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The acquisition of a caulimovirus by different aphid species: comparison with a potyvirus
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MARKHAM, P.G., John Innes Institute, Colney Lane, Norwich, NR4 7UH, United Kingdom
PINNER, M.S., John Innes Institute, Colney Lane, Norwich, NR4 7UH, United Kingdom
RACCAH, B., John Innes Institute, Colney Lane, Norwich, NR4 7UH, United Kingdom
HULL, R., John Innes Institute, Colney Lane, Norwich, NR4 7UH, United Kingdom
The acquisition of a caulimovirus by different aphid species: comparison with a potyvirus
The acquisition and transmission of cauliflower mosaic virus (CaMV) by six aphid species and three clones of aphids was studied and compared with that of turnip mosaic virus (TuMV) with Myzus persicae. Two clones of Aphis fabae were unable to transmit CaMV, but the other species, Acyrthosiphon pisum, Brevicoryne brassicae, Megoura viciae, M. persicae and Rhopalosiphum padi transmitted in a bior multi‐phasic manner. There was no statistical evidence of a bimodal transmission pattern. R. padi is recorded as a vector of CaMV for the first time. The transmission efficiency of CaMV varied with time of acquisition and suggested that accumulation of the virus occurred with two peaks of efficiency within the anterior region of the insect gut. The time at which these two peaks occurred varied between the species, but the basic pattern was common to all transmitting aphid species in this study. This pattern contrasted with that of TuMV. The transmission data are discussed in terms of bimodal transmission, the influence of feeding behaviour, the role of a helper protein associated with both TuMV and CaMV and the evidence for site specific attachment of CaMV. Copyright © 1987, Wiley Blackwell. All rights reserved
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