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Creatine (Cr), an ergogenic nutritional supplement is demonstrated to possess bioenergetic, antiexcitotoxic and antioxidant properties. This study investigated the neuroprotective effects of Cr against rotenone induced oxidative stress, mortality and neurotoxicty in Drosophila melanogaster. We found significant diminution in the endogenous levels of(More)
Female remating with more than one male leads to coexistence of sperm from different males in the same female, thus creating a selection pressure on sperm. To understand the extent of divergence in the reproductive behaviour among closely related species, in the present study, the influence of first mating histories like mating latency, duration of(More)
For the first time, the glue protein pattern polymorphism in natural populations of D. n. nasuta and D. s. neonasuta has been analyzed by SDS-PAGE. The study involving 200 and 185 isofemale lines comprising 2028 and 1900 individuals of D. n. nasuta and D. s. neonasuta, respectively, revealed the occurrence of eight variant glue protein phenotypes in D. n.(More)
Oxidative stress is believed to be a major factor for the onset of Parkinson's disease (PD). In this study, we have investigated oxidative status in transgenic Drosophila model of PD. Our results revealed elevated levels of reactive oxygen species (ROS) and lipid peroxidation (LPO) in A30P and A53T α-synuclein PD model flies compared to control. We have(More)
In this paper, we have demonstrated for the first time, the antioxidant and neuroprotective effects of Decalepis hamiltonii (Dh) root extract against paraquat (PQ)-induced oxidative stress and neurotoxicity in Drosophila melanogaster. Exposure of adult D. melanogaster (Oregon K) to PQ induced oxidative stress as evidenced by glutathione depletion, lipid(More)
Age-associated accumulation of oxidative damage linked to decline of antioxidant defense mechanism, leads to impairment of cognitive function in many organisms. These damages can pass through generations and affect the cognitive quality of progenies. In Drosophila, classical olfactory conditioning results in the formation of different types of memory.(More)
The patterns of protein fractions from total salivary glands and from glue plugs were compared in seven members of the Drosophila nasuta subgroup by the use of sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). The glue protein patterns are member specific concerning the numbers and the electrophoretic mobilities of major and minor glue(More)
Male accessory gland secretory proteins in seven members of the Drosophila nasuta subgroup have been analyzed by SDS-PAGE. The study revealed remarkable simplicity in the patterns. The protein fractions, which migrate in three groups, could be categorized as "major" and "minor." The number of major fractions varies from a maximum of eight to a minimum of(More)