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Some transferred chloroplast DNA protein products get directed to the secretory pathway [27] (though many secondary plastids are bounded by an outermost membrane derived from the host's cell membrane, and therefore topologically outside of the cell, because to reach the chloroplast from the cytosol, you have to cross the cell membrane, just ...
Some transferred chloroplast DNA protein products get directed to the secretory pathway, [89] though many secondary plastids are bounded by an outermost membrane derived from the host's cell membrane, and therefore topologically outside of the cell because to reach the chloroplast from the cytosol, the cell membrane must be crossed, which ...
Photosynthetic reaction centre proteins are main protein components of photosynthetic reaction centres (RCs) of bacteria and plants. They are transmembrane proteins embedded in the chloroplast thylakoid or bacterial cell membrane. Plants, algae, and cyanobacteria have one type of PRC for each of its two photosystems.
A transplastomic plant is a genetically modified plant in which genes are inactivated, modified or new foreign genes are inserted into the DNA of plastids like the chloroplast instead of nuclear DNA. Currently, the majority of transplastomic plants are a result of chloroplast manipulation due to poor expression in other plastids. [1]
DNA repair proteins are encoded by the cell's nuclear genome and then translocated to plastids where they maintain genome stability/ integrity by repairing the plastid's DNA. [24] For example, in chloroplasts of the moss Physcomitrella patens , a protein employed in DNA mismatch repair (Msh1) interacts with proteins employed in recombinational ...
DNA sequences that carry the instructions to make proteins are referred to as coding sequences. The proportion of the genome occupied by coding sequences varies widely. A larger genome does not necessarily contain more genes, and the proportion of non-repetitive DNA decreases along with increasing genome size in complex eukaryotes.
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Like mtDNA, cpDNA is not fully autonomous and relies upon nuclear gene products for replication and production of chloroplast proteins. Chloroplasts contain multiple copies of cpDNA and the number can vary not only from species to species or cell type to cell type, but also within a single cell depending upon the age and stage of development of ...