نتایج جستجو برای: mitochondrial genes
تعداد نتایج: 545751 فیلتر نتایج به سال:
Mitochondrial ribosomal RNA coding regions in the only three green algal taxa investigated to date are fundamentally different in that they are continuous in Prototheca wickerhamii, but highly fragmented and scrambled in Chlamydomonas reinhardtii and Chlamydomonas eugametos. To gain more insight into the mode of evolution of fragmented and scrambled mitochondrial ribosomal RNA (rRNA) genes with...
MITOCHONDRIA ARE CELLULAR ORGANELLES THAT PERFORM CRITICAL METABOLIC FUNCTIONS: they generate energy from nutrients but also provide metabolites for de novo synthesis of fatty acids and several amino acids. Thus mitochondrial mass and activity must be coordinated with nutrient availability, yet this remains poorly understood. Here, we demonstrate that Drosophila larvae grown in low yeast food h...
Introduction: Mitochondrial dynamic disorders are attributed to many diseases such as diabetes. MFN2 and OPA-1 proteins are the main regulators of fusion, and DRP1 is the essential protein regulating mitochondrial fission. Increasing or decreasing the expression of relevant genes will cause an imbalance between these two processes. This study evaluated the effect of six weeks of aerobic trainin...
Mitochondrial gene expression was characterized during meiosis in sunflower anthers. In situ hybridization experiments showed that there was a marked accumulation of four mitochondrial gene transcripts (atpA, atp9, cob, and rrn26) in young meiotic cells. This pattern of transcript accumulation was only detected for mitochondrial genes and not for transcripts of two nuclear genes (atpB and ANT) ...
In this study, expressions of toll-like receptors (TLRs) and apoptosis-related genes in piglets and mitochondrial respiration in intestinal porcine epithelial cells were investigated after hydrogen peroxide (H2O2) exposure. The in vivo results showed that H2O2 influenced intestinal expressions of TLRs and apoptosis related genes. H2O2 treatment (5% and 10%) downregulated uncoupling protein 2 (U...
Previous studies showed that VAS1 of Saccharomyces cerevisiae encodes both cytosolic and mitochondrial forms of valyl-tRNA synthetase (ValRS) through alternative initiation of translation. We show herein that except for Schizosaccharomyces pombe, all yeast species studied contained a single ValRS gene encoding both forms, and all of the mature protein forms deduced from those genes possessed an...
The nucleotide and amino acid sequences and the gene order of the mitochondrial genome are highly informative for studying phylogeny, population genetics, and phylogeography. This study determined the complete mitochondrial genome of the caprellid species Caprella scaura. The mitochondrial genome of C. scaura has a total length of 15,079 bp, with an AT content of 66.43%. The mitochondrial genom...
Three nuclear genes involved in plant mitochondrial recombination surveillance have been previously identified. Simultaneous disruption of two of these genes, MutS Homolog1 (MSH1) and RECA3, results in extensive rearrangement of the mitochondrial genome and dramatic changes in plant growth. We have capitalized on these changes in mitochondrial genome organization to understand the role mitochon...
Mitochondrial genes are widely used in taxonomy and systematics because high mutation rates lead to rapid sequence divergence and because such changes have long been assumed to be neutral with respect to function. In particular, the nucleotide sequence of the mitochondrial gene cytochrome c oxidase subunit 1 has been established as a highly effective DNA barcode for diagnosing the species bound...
Nuclear respiratory factor 1 (NRF1) serves as a transcription factor that activates the expression of a wide range of nuclear genes essential for mitochondrial biogenesis and function, including mitochondrial respiratory complex subunits, heme biosynthetic enzymes, and regulatory factors involved in the replication and transcription of mitochondrial DNA. Increasing evidence indicates that mitoc...
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