Results 11 to 20 of about 9,078 (165)

Kemampuan Reproduksi Daphnia magna Jantan Hasil Induksi Logam Berat (Cd, Pb) Dan Pestisida Diazinon
[Reproductive Ability Of Male Daphnia magna Induction Results Of Heavy Metal (Cd, Pb) And Pesticide Diazinon]

open access: yesJurnal Ilmiah Perikanan dan Kelautan, 2010
Daphnia magna is one of the natural food which is used widely in fish hatchery. Generally, Daphnia magna is used widely in larval rearing of fish that are traded in the form of resting eggs called ephipia. Ephipia production can be performed with Daphnia
A. Shofy Mubarak   +3 more
doaj   +1 more source

Successfully resisting a pathogen is rarely costly in Daphnia magna [PDF]

open access: yes, 2010
Background A central hypothesis in the evolutionary ecology of parasitism is that trade-offs exist between resistance to parasites and other fitness components such as fecundity, growth, survival, and predator avoidance, or resistance to other parasites.
Pedro F Vale   +9 more
core   +1 more source

New machine learning-based automatic high-throughput video tracking system for assessing water toxicity using Daphnia Magna locomotory responses

open access: yesScientific Reports, 2023
Daphnia magna is an important organism in ecotoxicity studies because it is sensitive to toxic substances and easy to culture in laboratory conditions. Its locomotory responses as a biomarker are highlighted in many studies.
Jaehoon Kim   +7 more
doaj   +1 more source

Annotation of the Daphnia magna nuclear receptors: Comparison to Daphnia pulex [PDF]

open access: yesGene, 2014
Most nuclear receptors (NRs) are ligand-dependent transcription factors crucial in homeostatic physiological responses or environmental responses. We annotated the Daphnia magna NRs and compared them to Daphnia pulex and other species, primarily through phylogenetic analysis. Daphnia species contain 26 NRs spanning all seven gene subfamilies.
Elizabeth J, Litoff   +6 more
openaire   +2 more sources

Interspecific differences between D. pulex and D. magna in tolerance to cyanobacteria with protease inhibitors. [PDF]

open access: yesPLoS ONE, 2013
It is known that cyanobacteria negatively affect herbivores due to their production of toxins such as protease inhibitors. In the present study we investigated potential interspecific differences between two major herbivores, Daphnia magna and Daphnia ...
Christian J Kuster, Eric Von Elert
doaj   +1 more source

Host specificity and genetics of host resistance in the "Daphnia-Pasteuria" host-parasite system [PDF]

open access: yes, 2012
Antagonistic coevolution plays an important role in a large number of evolutionary and ecological phenomena. Furthermore, according to the Red Queen Theory coevolution between hosts and their parasites may explain the maintenance of sexual reproduction ...
Luijckx, Pepijn
core   +1 more source

Live observation of the oviposition process in Daphnia magna.

open access: yesPLoS ONE, 2019
In favorable conditions, Daphnia magna undergoes parthenogenesis to increase progeny production in a short time. However, in unfavorable conditions, Daphnia undergoes sexual reproduction instead and produces resting eggs.
Dohyong Lee   +4 more
doaj   +1 more source

Ecological and evolutionary dynamics in "Daphnia" metapopulations [PDF]

open access: yes, 2008
Many animal and plant species occur in metapopulations that are assemblages of spatially delimited local populations coupled by some degree of migration. The occupation of habitat patches may change over time due to local extinction and colonisation.
Altermatt, Florian
core   +1 more source

Toxicity study of UV/ZnO treated solution containing Reactive blue 29 using Daphnia magna as a biological indicator

open access: yesMethodsX, 2019
Effluents from textile industry are a major source of environmental pollution, especially water pollution. One of the commonly used nanoparticles is zinc oxide (ZnO). In this study, the toxicity of solutions containing the Reactive blue 29 dye after nano-
Mohammad Hadi Dehghani   +2 more
doaj   +1 more source

Acute toxicity of praziquantel to fish Danio rerio and planktonic crustacean Daphnia magna

open access: yesVeterinární Medicína, 2022
This study evaluated the toxicity of the pyrazino isoquinoline anthelmintic praziquantel (PZQ) to the Danio rerio zebrafish and Daphnia magna water flea.
E Zuskova   +4 more
doaj   +1 more source

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