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Epigenetic machinery regulates the expression of individual genes and plays a crucial role in globally shaping and maintaining developmental patterning. We studied the extent of DNA methylation in the nucleus, mitochondrion and chloroplast in cultured Sequoia sempervirens (coast redwood) adult, juvenile and rejuvenated shoots by measuring the ratio of methylcytosine to total cytosine using high‐performance...
Electron microscopic images of mitochondrial nucleoids isolated from mung bean seedlings revealed a relatively homogeneous population of particles, each consisting of a chromatin-like structure associated with a membrane component. Association of F-actin with mitochondrial nucleoids was also observed. The mitochondrial nucleoid structure identified in situ showed heterogeneous genomic organization...
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