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Studi sul virus della laciniatura a foglia di carota del Prezzemolo I. Relazione sierologica con il virus della maculatura gialla della Cicoria

Apostolo Avgelis and Antonio Quacquarelli
Phytopathologia Mediterranea
Vol. 13, No. 1/2 (Agosto 1974), pp. 97-100
Stable URL: http://www.jstor.org/stable/42684208
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Studi sul virus della laciniatura a foglia di carota del Prezzemolo I. Relazione sierologica con il virus della maculatura gialla della Cicoria
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Abstract

E' stato condotto uno studio per accertare la relazione sierologica fra i vari componenti virus-specifici del virus della laciniatura a foglie di carota del Prezzemolo (PCLV) e tra PCLV e il virus della maculatura gialla della Cicoria (CYMV). In prove di immunodiffusione i componenti virus specifici in PCLV, messi a reagire in varíe combinazioni contro gli antisieri omologhi ed eterologhi, hanno prodotto linee di precipitazione che si sono sempre congiunte senza formazione di code, indicando così stretta parentela o identità sierologica. I risultati delle prove fra PCLV e CYMV hanno mes so in evidenza che questi due virus sono simili, ma sierologicamente distinti; in particolare PCLV ha mostrato di possedere una gran parte dei determinanti antigeni di CYMV. A serological study was carried out to ascertain the relationship among the various virus-specific components of Parsley carrot-leaf virus (PCLV) and the relationship of PCLV with Chicory yellow mottle virus (CYMV). In immuno-diffusion tests the specific PCLV components reacted against both homologous and/or heterologous antisera, producing precipitin lines wich merged at the point of conjuction without forming « spurs », thus indicating close serological relationships or serological identity among PCLV components. The serological tests between PCLV and CYMV showed that the viruses are similar, but serologically distinguishable. In particular, PCLV seems to possess most but not all antigenic determinants of CYMV. On a effectué une étude pour établir la relation sérologique entre les différentes composantes virusspécifiques du virus des découpures en feuilles de carotte du Persil (PCLV) et aussi entre PCLV et le virus des taches jaunes de la Chicorée (CYMV). Dans les essais d'immuno-diffusion les composantes virusspécifiques de PCLV, placées pour réagir en différentes combinaisons contre les antisérums homologues et/ou hétérologues, ont produit des lignes de précipitation qui se sont toujours réunies sans formation de queue, en montrant ainsi une parentée étroite ou une identité sérologique. Les résultats des essais entre PCLV et CYMV ont mis en évidence que ces deux virus sont semblables, mais sérologiquement distincts; en particulier, PCLV a montré de posséder une grande partie des déterminants antigènes de CYMV.

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