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We examined the impact of arbuscular mycorrhizal fungi and rhizobia on the living microbial community and microbial necromass under different long-term fertilization treatments at the long-term Static Fertilization Experiment Bad Lauchstädt (Germany). Phospholipid fatty acids (PLFA) and amino sugars plus muramic acid, were used as biomarkers for soil microbial bio- and necromass, respectively, and...
We investigated the accumulation of reactive oxygen species (ROS) in arbuscular mycorrhizal (AM) roots from Medicago truncatula, Zea mays and Nicotiana tabacum using three independent staining techniques. Colonized root cortical cells and the symbiotic fungal partner were observed to be involved in the production of ROS. Extraradical hyphae and spores from Glomus intraradices accumulated small levels...
RNA editing alters genomically encoded cytidines to uridines posttranscriptionally in higher plant mitochondria. Most of these editing events occur in translated regions and consequently alter the amino acid sequence. In Oenothera berteriana more than 500 editing sites have been detected and the total number of editing sites exceeds 1000 sites in this mitochondrial genome. To identify the components...
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