Updated ICTV list of names and abbreviations of viruses, viroids, and satellites infecting plants
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Updated ICTV list of names and abbreviations of viruses, viroids, and satellites infecting plants C. M. Fauquet 1 and G. P. Martelli 2 ILTAB/ORSTOM, The Scripps Research Institute, Division of Plant Biology - MRC7, 10666 N. Torrey Pines Road, La Jolla, CA 92037, U.S.A. 2 Universitg degli Studi di Bari, Dipartimento Protezione delle Piante dalle Malattie, Via Amendola 165/a, 70126 Bari, Italy
In 1991, a working group composed by R. Hull, R. G. Milne and M. H. V. van Regenmortel appointed by the plant virus subcommittee of the ICTV, produced a standardized list of plant virus and viroid names and abbreviations [1]. Since then, this list has been used as a reference and the guidelines provided therein have been followed by the majority of plant virologists. However, because of the flexibility of the guidelines, a number of new viruses have been described with identical or erroneous abbreviations. Thus, between 1990 and 1993, with the assistance of the plant virus subcommittee chaired by G. P. Martelli, a new updated list of names and acronyms of viruses, viroids, and satellites infecting plants was generated. The present list contains only the names and abbreviations of viruses, viroids, and satellites included in the Vlth ICTV Report [2] and provides a limited number of synonyms, written in parenthesis. The purpose of this list is only to supply a uniqu e set of names and abbreviations accepted by ICTV, rather than to establish the taxonomic status of any particular virus. This will be done by the present plant virus subcommittee, chaired by M. A. Mayo, and will be published at a later date. However, the current assignment of each virus name to a family and/or a genus is clearly indicated in the list. If a virus is unassigned within a family, only the family name is given, and if a virus is not assigned to a family, it is recorded as "Unassigned". In the case of a virus classified as a "tentative species" in a genus and/or a family, the name of the genus and/or the family is provided between square brackets ([ ]). Taxa with international names are written in italics and the first letter is capitalized. If a taxon does not have an international name yet, its English vernacular name is written between quotation marks (.... ) in plain letters without capitalization of the initials. The current list of acronyms was generated following the principles accepted by ICTV in 1987 and new guidelines were added according to necessity. It is obvious that the abbreviations are not homogeneous, indicating that these guidelines have not been strictly established and applied to all virus and viroid names. As a result, there are a number of exceptions, which are accepted because the abbreviations were in usage prior to the establishment of the first list published in 1991 [1]. From the list that follows, it is clear that there are remarkable discrepancies in the way names of host plants have been abbreviated.
Virology Division News
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For instance, B, and B1 are the abbreviations for blueberry; C and Ct, for carrot; L, Li a
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