Plastid genomes in a regenerating tobacco shoot derive from a small number of copies selected through a stochastic process.

doi:10.1111/j.1365-313X.2008.03655.x

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Article

Plastid genomes in a regenerating tobacco shoot derive from a small number of copies selected through a stochastic process.

The Plant journal : for cell and molecular biology - 1 Dec 2008

Lutz Kerry Ann, Maliga Pal

Abstract excerpt

The plastid genome (ptDNA) of higher plants is highly polyploid, and the 1000-10 000 copies are compartmentalized with up to approximately 100 plastids per cell. The problem we address here is whether or not a newly arising genome can be established in a developing tobacco shoot, and be transmitted to the seed progeny. We tested this by generating two unequal ptDNA populations in a cultured tobacco cell. The...

Topics

DNA, Plant
Gene Dosage
Genome, Plastid
Genotype
Plant Shoots
Plants, Genetically Modified
Stochastic Processes
Nicotiana
Transformation, Genetic
Transgenes

Source

Open in PubMed

Identifiers

PMID: 18702667
DOI: 10.1111/j.1365-313X.2008.03655.x

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