نتایج جستجو برای: ژن nd1
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Testosterone deficiency, as a potential risk factor for aging and aging-related neurodegenerative disorders, might induce mitochondrial dysfunction and facilitate the declines of the nigrostriatal dopaminergic system by exacerbating the mitochondrial defects and increasing the oxidative damage. Thus, how testosterone levels influence the mitochondrial function in the substantia nigra was invest...
BACKGROUND An increasing number of mitochondrial DNA (mtDNA) mutations, mainly in complex I genes, have been associated with variably overlapping phenotypes of Leber's hereditary optic neuropathy (LHON), mitochondrial encephalomyopathy with stroke-like episodes (MELAS) and Leigh syndrome (LS). We here describe the first case in which the m.4171C>A/MT-ND1 mutation, previously reported only in as...
We report on multiple patterns of differentiation and connectivity in the fanshell pearlymussel (Cyprogenia stegaria), based on different markers. Knowledge of genetic variation and genetic connectivity among remaining populations of this federally endangered species is needed to initiate implementation of the species recovery plan. We collected tissue samples from 96 specimens from the Green, ...
Although there are numerous examples of animals having photoreceptors sensitive to UVA (315-400 nm) [1] and relying on UVA-based mate-choice cues [2-5], here we provide the first evidence of an animal using UVB (280-315 nm) for intraspecific communication. An earlier study showed that Phintella vittata, a jumping spider (Salticidae) from China, reflects UVB [6]. By performing six series of bina...
In recent years, as a consequence of the re-evaluation role non-Saccharomyces yeasts, several studies have been conducted on use controlled mixed fermentations with Saccharomyces and different yeast species from winemaking environment. To benefit metabolic particularities some management strain in fermentation is crucial step, particular procedures addressed to increase persistence strains duri...
A series of (Nd1?xSmx)Fe11Ti alloys with the ThMn12 crystal structure have been fabricated and characterized in order to promote a strong uniaxial anisotropy NdFe11Ti without need nitrogenation. The compounds show small changes lattice parameters cell volume, as well Curie temperature spontaneous magnetization. field, however, rapidly increases incorporation Sm overcomes effect nitrogenation, r...
We investigate charge distribution in the recently discovered high-$T_c$ superconductors, layered nickelates. With increasing value of charge-transfer energy we observe expected crossover from cuprate to local triplet regime upon hole doping. find that $d-p$ Coulomb interaction $U_{dp}$ plays a role and makes Zhang-Rice singlets less favorable, while amplitude triplets is enhanced. By investiga...
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