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Virology
Marco, S.
Cohen, S.
Harpaz, I.
Birk, Y.
Studies were carried out on the in vivo suppression of tomato yellow leaf curl virus (TYLCV) in its whitefly vector by an anti-TMV factor occurring in the body of TYLCV-inoculative insects. The factor was designated as "periodic acquisition related factor-a" (PARFa). PARFa suppressed TYLCV-inoculativity when injected into whiteflies prior to or even after acquisition of the virus. The formation of PARFa in whiteflies could be provoked by membrane-ingestion of PARF, another antiviral factor, the presence of which had been previously demonstrated in TYLCV-carrying whiteflies. It is suggested that both antiviral factors (PARF and PARFa) are the products of a chain of reactions that take place following the entry of TYLCV into the whitefly's body. © 1972.
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תנאי שימוש
In vivo suppression of plant virus transmissibility by an anti-TMW factor occurring in an inoculative vector's body
47
Marco, S.
Cohen, S.
Harpaz, I.
Birk, Y.
In vivo suppression of plant virus transmissibility by an anti-TMW factor occurring in an inoculative vector's body
Studies were carried out on the in vivo suppression of tomato yellow leaf curl virus (TYLCV) in its whitefly vector by an anti-TMV factor occurring in the body of TYLCV-inoculative insects. The factor was designated as "periodic acquisition related factor-a" (PARFa). PARFa suppressed TYLCV-inoculativity when injected into whiteflies prior to or even after acquisition of the virus. The formation of PARFa in whiteflies could be provoked by membrane-ingestion of PARF, another antiviral factor, the presence of which had been previously demonstrated in TYLCV-carrying whiteflies. It is suggested that both antiviral factors (PARF and PARFa) are the products of a chain of reactions that take place following the entry of TYLCV into the whitefly's body. © 1972.
Scientific Publication
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