Parasitic castration of Eurhomalea lenticularis (Bivalvia: Veneridae) by a digenetic trematode: quantitative histological analysis
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چکیده
منابع مشابه
A Quantitative Assessment of Spermatozoan Morphology in Nutricola confusa and Nutricola tantilla (Bivalvia: Veneridae)
The brooding bivalves, Nutricola tantilla and N. confusa overlap in their geographic distributions, habitats, and modes and timing of reproduction. Based on previous studies we infer that males of both species release spermatozoa into the water column; while females retain developing embryos in a brood chamber. Females release fully formed juveniles and there is no pelagic larval stage. We hypo...
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This study attempts to propose the possibility of the sex reversal in Sinonovacula constricta and Gomphina veneriformis by confirming the changes in the sex ratio with the shell length in the same population level. For analysis of sex ratio, 100 individuals of S. constricta (SL 26.5-95.0 mm) and 2385 individuals of G. veneriformis (SL 15.1-60.1 mm) were used. Sex was analyzed histologically. Bo...
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If the production of genetically variable offspring is a mechanism of host defense against parasites, then parasites capable of suppressing sexual reproduction in hosts may gain a selective advantage over parasites that do not do so. Recent work has shown that a range of systemic fungi infecting plants sterilize their hosts, effectively preventing coevolutionary responses by host populations to...
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15 صفحه اولQuantitative analysis of a parasitic antiviral strategy.
We extended a computer simulation of viral intracellular growth to study a parasitic antiviral strategy that diverts the viral replicase toward parasite growth. This strategy inhibited virus growth over a wide range of conditions, while minimizing host cell perturbations. Such parasitic strategies may inhibit the development of drug-resistant virus strains.
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ژورنال
عنوان ژورنال: Diseases of Aquatic Organisms
سال: 2004
ISSN: 0177-5103,1616-1580
DOI: 10.3354/dao059151