Margarita S Odintsova

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The chloroplast genome is highly condensed and packed into discrete structures called "nucleoids". Each pea chloroplast contains 16-20 spherical nucleoids randomly located in the matrix of organelle. Nucleoids are shown to contain DNA, RNA and proteins (1:0.62:2.3). Approximately 30 polypeptides (mol. masses 94 to 12 kD) have been found in nucleoids.(More)
Basic proteins were isolated from purified pea chloroplast nucleoids by acid extraction. Using RP-HPLC, the component composition of the basic proteins was studied. SDS-PAGE of major HPLC-fractions showed that the basic nucleoid proteins are heterogeneous with mol. masses of components from 17 to 30 kDa. One polypeptide with mol. mass of 28 kDa (P28) was(More)
Ten new defensins have been isolated from seeds of Triticum kiharae and related species of the Triticum and Aegilops genera by a combination of chromatographic procedures including affinity-, size-exclusion, and reversed-phase high-performance liquid chromatography. Nine were completely sequenced and shown to represent a family of closely related peptides(More)
The data on the structure and gene content in completely sequenced plastid (predominantly chloroplast) genomes of higher plants and algae are reviewed. In higher plants, genome structure and gene content are highly conserved. Plastid genomes of algae are less conserved and contain several unique genes, which are not found in chloroplast DNAs of higher(More)
This review summarizes the current knowledge of the biosynthesis of tetrapyrroles in plants, key stages of this process regulation, as well as the available data on the participation of these compounds in the induction and transmission of retrograde signals. Possible sources of retrograde signals are considered. Particular attention is paid to the analysis(More)
The review summarizes the current understanding of light-inducible proteins of plants, wide-spread among prokaryotic and eukaryotic photosynthetic organisms. The greatest attention is paid to the Early light-inducible proteins of plastids (Elip) and their photoprotective role under light stress. Data are presented on structure and functions of Elip-related(More)
The data on the structure and functions of the mitochondrial genomes of protists (Protozoa and unicellular red and green algae) are reviewed. It is emphasized that mitochondrial gene structure and composition, as well as organization of mitochondrial genomes in protists are more diverse than in multicellular eukaryotes. The gene content of mitochondrial(More)
Current ideas of plant mitochondrial genome organization are presented. Data on the size and structural organization of mtDNA, gene content, and peculiarities are summarized. Special emphasis is given to characteristic features of the mitochondrial genomes of land plants and photosynthetic algae that distinguish them from the mitochondrial genomes of other(More)
The polypeptide composition of thylakoid membranes of the red alga Cyanidium caldarium was studied by PAGE in the presence of lithium dodecyl sulfate. The thylakoid membranes were shown to contain 65 polypeptides with mol wt from 110 to 10 kDa. PS I isolated from C. caldarium cells is composed of at least 5 components, one of which is the(More)