DNA Sequence organization In finger millet (Eleusine coracana).
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Date
1981-12
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Abstract
Approximately 39 to 49% of the genome of finger millet consists of repetitive DNA
sequences which intersperse with 18% of single copy DNA sequences of 1900 nucleotide pairs.
Agarose gel filtration and electrophoresis experiments have yielded the sizes of interspersed
repeated sequences as 4000-4200 nucleotide pairs and 150-200 nucleotide pairs. Approximately
20% of the repeated DNA sequences (4000-4200 nucleotide pairs) are involved in long range
interspersion pattern, while 60% of the repeated DNA sequences (150-200 nucleotide pairs) are
involved in short period interspersion pattern.
Based on the data available in literature and the results described here on DNA sequence
organization in plants, it is proposed that plants with haploid DNA content of more than 2.5 pg
exhibit mostly the short period interspersion pattern, while those with haploid DNA content of
less than 2.5 pg show diverse patterns of genome organization.
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Keywords
DNA sequence organization, repetitive DNA, millet species
Citation
Gupta Vidya S, Ranjekar P K. DNA Sequence organization In finger millet (Eleusine coracana). Journal of Biosciences. 1981 Dec; 3(4): 417-430.