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19 results for “Mitochondrial DNA”
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Research ArticleOpen accessPhrase in the titleGenetic Characterization of Kazakh Native Sheep Breeds Using Mitochondrial DNAIlmira Mukhametzharova, Yessenbay Islamov, Saukymbek Shauyenov et al.In this study, we used mitochondrial (mt) DNA to reveal patterns of genetic diversity among six breeds of sheep native to Kazakhstan, including the Chu and Kalchengel types of Kazakh mutton-semifine-wool breed of sheep, Akzhayik, Edilbay, Kazakh fat-rumped semi-course-wool and South Kazakh Merino breeds. Mitochondrial DNA D-loop was studied in 64 samples to determine the genetic diversity of the local … …OnLine Journal of Biological Sciences, Vol. 18, Issue 3 · 7 Sep 2018 · 8,848 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePreliminary Study of Phylogenetic Relationship of Rice Field Chironomidae (Diptera) Inferred From DNA Sequences of Mitochondrial Cytochrome Oxidase Subunit ISalman A. Al-Shami, M.N. Siti Azizah, Che Salmah Md Rawi, Abu Hassan AhmadProblem statement: Chironomidae have been recorded in rice fields throughout the world including in many countries such as India, Australia and the USA. Although some studies provide the key to genera level and note the difficulty of identifying the larvae to species level. Chironomid researches have been hindered because of difficulties in specimen preparation, identification, morphology and literature. Systematics, phylogenetics … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 7,520 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInfluence of Intracellular Reactive Oxygen Species in Several Spermatozoa Activity in Indonesian Ongole Bull Cryopreserved SpermKurniawan Dwi Prihantoko, Asmarani Kusumawati, Mulyoto Pangestu et al.Certain factors may affect sperm motility and integrity in a freezing process. Reactive Oxygen Species (ROS) is essential in damaging the sperm, as the previous study revealed that ROS is a major cause damaging the membrane of spermatozoa. This study aimed to understand ROS production and its interaction within the motility, mitochondrial activity and DNA damage to the cryopreservation process … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 1 · 26 Jan 2022 · 6,842 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Investigation of Organelle Genomes of Extra Nuclear Sunflower Mutants with Variegated PhenotypeIrina Dremuk, Nikolay Kozel, Mariya Logacheva et al.The comparative analysis of complete chloroplast and mitochondrial DNA sequences of the original inbred line 3629 and three extra nuclear mutant lines variegated-1, variegated-15, variegated-17, obtained by the N-nitroso-N-methylurea induced mutagenesis, was done. The studied mutant lines were presented two different phenotypes with diverse chlorophyll content: Pale/green mutant line variegated-17 with 1.8% relative (to 3629 line) chlorophyll content in mutant … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 4 · 24 Oct 2017 · 7,633 accessesView PDFCite
Research ArticleOpen accessIn the keywordsComparative Physiological and Molecular Study of Some Sheep Breeds in Saudi ArabiaMohammad S. AL-Harbi, Hamed S. Alwagdany, Sayed A.M. AmerNaemi, Heri, Najdi and Sawakni sheep breeds inhabiting Kingdom of Saudi Arabia were studied on both physiological and molecular bases. Native polyacrylamide gel-electrophoreses for two enzymes Malate Dehydrogenase (Mdh) and Malic Enzyme (Me) recorded 5 isoenzyme loci from which 4 were polymorphic and 1 was monomorphic. Mdh showed three fractions, the first was recorded in Sawakni and Najdi breeds, the … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 2 · 20 Jun 2013 · 8,388 accessesView PDFCite
Literature ReviewOpen accessIn the abstractPotential Therapies for Mitochondrial Diseases Caused by mtDNA MutationsAnastasia V. Poznyak, Nikolay A. Orekhov, Dmitry Felixovich Beloyartsev et al.Mitochondrial diseases, caused by mutations in mitochondrial DNA (mtDNA), present significant genetic and clinical complexities that challenge accurate diagnosis and treatment. This review examines the critical molecular mechanisms underlying these disorders, particularly the role of heteroplasmy, where mixtures of mutated and normal mtDNA influence disease severity, and the nuclear-mitochondrial DNA interactions that compound diagnostic and therapeutic challenges. The threshold effect, … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 4 · 15 Feb 2026 · 1,735 accessesView PDFCite
Research ArticleOpen accessIn the abstractBroodstock Formation and Sterlet (Acipenser ruthenus) Reproduction in the West-Kazakhstan RegionGuldana Maratkyzy Maratova, Kuanysh Isbekov, Shokhan Alpeisov et al.A dramatic decline of sturgeons’ stocks including the sterlet (Acipenser ruthenus) in the Caspian Sea including creates the need to establish aquaculture broodstock. Broodstock management can allow conserving the gene pool of the sterlet and the creation of captive broodstock further serve as a source of sterlet fry aimed at restoring natural populations of the sterlet in the Caspian Sea. … …OnLine Journal of Biological Sciences, Vol. 23, Issue 3 · 11 Jul 2023 · 5,321 accessesView PDFCite
Research ArticleOpen accessIn the abstractBarcode of Life Data Systems (BOLD) Versus GenBank Molecular Identification of a Dragonfly from the UAE in Comparison to the Morphological IdentificationNoora Almansoori, Mohamed Rizk Enan, Mohammad Ali Al-DeebDragonflies are insects in the order Odonata. They inhabit freshwater ecosystems and are found in the UAE. To date, few checklists have been published for the local dragonflies and the used identification keys are not comprehensive of Arabia. The aim of this study was to provide a molecular identification of a dragonfly based on the mitochondrial Cytochrome c Oxidase subunit … …OnLine Journal of Biological Sciences, Vol. 19, Issue 4 · 30 Nov 2019 · 8,213 accessesView PDFCite
Research ArticleOpen accessIn the abstractColor Doppler Evaluation of Isovolumetric Relaxation Time and of Signals Arising from Axons of the Median Nerve as a Means to Evaluate Mitochondrial Functionality in the Context of Immunotherapy of Cancer and Chronic Conditions Associated with Mitochondrial DysfunctionStefania Pacini, Marco RuggieroReactive Oxygen Species (ROS) arising from the disruption of mitochondrial respiration act as endogenous mutagens and tumor promoters. When production of ROS exceeds the capacity of DNA repair mechanisms, random mutations and aneuploidy ensue, thousands of genes become unbalanced and genetic/epigenetic chain reactions lead to progressive aneuploidy with only two outcomes: karyotypes so altered that are not viable or karyotypes … …American Journal of Immunology, Vol. 15, Issue 1 · 12 Oct 2019 · 9,690 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe COXII Haplotypes and their Association with Productive Traits in Large White Breed PigsMaria A. Kolosova, Lyubov V. Getmantseva, Nekruz F. Bakoev et al.The mitochondrial genome encodes key electron transfer chain (ETC) proteins which produce the vast majority of cellular ATP. Sequence analysis of maternal inherited mitochondrial DNA is an effective way to assess the individual characteristics of commercial breeding lines of pigs. The aims of our study were to analyze the nucleotide sequence of the mitochondrial gene COXII in Large White pigs, … …OnLine Journal of Biological Sciences, Vol. 19, Issue 3 · 2 Jul 2019 · 7,655 accessesView PDFCite