Body size–dependent gender role in a simultaneous hermaphrodite freshwater snail, Physa acuta
نویسندگان
چکیده
منابع مشابه
Effects of ionic liquids on the survival, movement, and feeding behavior of the freshwater snail, Physa acuta.
Room-temperature ionic liquids (ILs) are being promoted as environmentally friendly alternatives to volatile organic solvents currently used by industry. Because ILs are novel and not yet in widespread use, their potential impact on aquatic organisms is unclear. We studied the effects of several ILs on the survivorship and behavior (movement and feeding rates) of the freshwater pulmonate snail,...
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Increasing uses of engineered nanoparticles (ENPs) in commercial products and industrial applications has eventually resulted to their releases into atmospheric, terrestrial, and aquatic environments. However, knowledge gaps in ENPs toxicity, fate, and behaviour currently limit our ability to quantify risk assessment of materials with nanoscale dimensions, and therefore, the extent of the resul...
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متن کاملSpiral cleavages determine the left-right body plan by regulating Nodal pathway in monomorphic gastropods, Physa acuta.
The handedness of gastropods is genetically determined, but the molecular nature of the gene responsible and the associated mechanisms remain unknown. In order to characterize the chiromorphogenesis pathway starting from the gene to the left-right asymmetric body plan, we have closely analyzed the cytoskeletal dynamics of the Physa (P.) acuta embryo, a fresh water non-dimorphic sinistral snail,...
متن کاملCharacterization of 15 polymorphic microsatellite markers in the freshwater snail Aplexa marmorata (Mollusca, Gastropoda).
We describe 15 new variable microsatellites in the freshwater snail Aplexa (Physa) marmorata, as well as conditions for multiplexing and simultaneous genotyping sets of loci. Two to 11 alleles were detected per locus over the five populations studied, and up to eight alleles per locus and population. The observed heterozygosity was extremely low, most probably as the consequence of high selfing...
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ژورنال
عنوان ژورنال: Behavioral Ecology
سال: 2004
ISSN: 1465-7279,1045-2249
DOI: 10.1093/beheco/arh101