VIRUS-LIKE PARTICLES IN A MONOGENEAN (PLATYHELMINTHES) PARASITIC IN A MARINE FISH

被引:16
作者
JUSTINE, JL [1 ]
BONAMI, JR [1 ]
机构
[1] UNIV ARIZONA, DEPT VET SCI, TUCSON, AZ 85721 USA
关键词
MICROCOTYLE SP; MONOGENEAN; TEGUMENT; ULTRASTRUCTURE; VIRUS; VIRAL DISEASE; FISH; TRANSMISSION; VECTORS;
D O I
10.1016/0020-7519(93)90099-K
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
In Microcotyle sp., a gill parasite in the marine fish Abudefduf analogus near Dakar, Senegal, various organs were studied by transmission electron microscopy. One of the six worms studied contained virus-like particles located only in the outer layer and in the cytons (deep cell bodies) of the tegument. The tegument ultrastructure is described for both healthy and infected monogeneans. The outer layer of the tegument, 2-5 mum thick, does not have microvilli. The virus-like particles are cytoplasmic, about 70 nm in diameter with a single-layered capsid-like structure 10-12 nm thick, and have an icosahedral symmetry. They originate from viroplasms and accumulate in paracrystalline arrays up to 1 mum in size. By their ultrastructural characteristics, these virus-like particles are related to the Reoviridae or, more probably, the Birnaviridae. This is the third report of viruses in monogeneans, and the first in a polyopisthocotylean monogenean. It is hypothesized that monogeneans could act as vectors of viral diseases among their host fishes.
引用
收藏
页码:69 / 75
页数:7
相关论文
共 32 条
[2]   INTRANUCLEAR, PARACRYSTALLINE INCLUSIONS IN VARIOUS CELLS OF QUINQUESERIALIS-QUINQUESERIALIS AND NOTOCOTYLUS-URBANENSIS (TREMATODA-NOTOCOTYLIDAE) [J].
BEVERLEYBURTON, M ;
SWEENY, PR .
CANADIAN JOURNAL OF ZOOLOGY - BACK YEAR PROJECT, 1972, 50 (03) :345-+
[3]   VIRUSLIKE INCLUSIONS IN CECAL EPITHELIAL-CELLS OF PARAGONIMUS-KELLICOTTI (DIGENEA, TROGLOTREMATIDAE) [J].
BYRAM, JE ;
ERNST, SC ;
LUMSDEN, RD ;
SOGANDARESBERNAL, F .
JOURNAL OF PARASITOLOGY, 1975, 61 (02) :253-264
[4]   MICROSPORIDIAN HYPERPARASITES AND BACTERIA ASSOCIATED WITH PSEUDODIPLORCHIS-AMERICANUS (MONOGENEA, POLYSTOMATIDAE) [J].
CABLE, J ;
TINSLEY, RC .
CANADIAN JOURNAL OF ZOOLOGY-REVUE CANADIENNE DE ZOOLOGIE, 1992, 70 (03) :523-529
[5]  
CUSACK R, 1986, J FISH DIS, V9, P169, DOI 10.1111/j.1365-2761.1986.tb01000.x
[6]   C-TYPE VIRUS-LIKE PARTICLES IN A NON-PROLIFERATING SPARGANUM OF HUMAN HOST ORIGIN [J].
DALY, JJ ;
SUN, CN ;
BARRON, AL ;
WHITE, HJ .
JOURNAL OF PARASITOLOGY, 1975, 61 (04) :775-777
[7]   BIOPHYSICAL AND BIOCHEMICAL CHARACTERIZATION OF 5 ANIMAL VIRUSES WITH BISEGMENTED DOUBLE-STRANDED-RNA GENOMES [J].
DOBOS, P ;
HILL, BJ ;
HALLETT, R ;
KELLS, DTC ;
BECHT, H ;
TENINGES, D .
JOURNAL OF VIROLOGY, 1979, 32 (02) :593-605
[8]   NATURE OF PARTICLES LINING EXCRETORY DUCTS OF PSEUDOPHYLLIDEAN CESTODES [J].
DOUGHERTY, RM ;
DISTEFANO, H ;
FELLER, U ;
MUELLER, JF .
JOURNAL OF PARASITOLOGY, 1975, 61 (06) :1006-1015
[9]   APPARENT ABSENCE OF C-VIRUSLIKE PARTICLES IN CARYPHYLLAEIDAE [J].
EDWARDS, S ;
MUELLER, JF .
JOURNAL OF PARASITOLOGY, 1978, 64 (05) :877-877
[10]   ULTRASTRUCTURAL OBSERVATIONS ON THE TEGUMENT AND ASSOCIATED STRUCTURES OF THE MONOGENEAN CICHLIDOGYRUS-HALLI-TYPICUS(PRICE-AND-KIRK, 1967) PAPERNA, 1979 [J].
ELNAGGAR, MM ;
KHIDR, AA ;
KEARN, GC .
INTERNATIONAL JOURNAL FOR PARASITOLOGY, 1991, 21 (06) :707-713