Identification of the "A" genome of finger millet using chloroplast DNA.

Genetics
K W Hilu

Abstract

Finger millet (Eleusine corocana subsp. coracana), an important cereal in East Africa and India, is a tetraploid species with unknown genomic components. A recent cytogenetic study confirmed the direct origin of this millet from the tetraploid E. coracana subsp. africana but questioned Eleusine indica as a genomic donor. Chloroplast (ct) DNA sequence analysis using restriction fragment pattern was used to examine the phylogenetic relationships between E. coracana subsp. coracana (domesticated finger millet), E. coracana subspecies africana (wild finger millet), and E. indica. Eleusine tristachya was included since it is the only other annual diploid species in the genus with a basic chromosome number of x = 9 like finger millet. Eight of the ten restriction endonucleases used had 16 to over 30 restriction sites per genome and were informative. E. coracana subsp. coracana and subsp. africana and E. indica were identical in all the restriction sites surveyed, while the ct genome of E, tristachya differed consistently by at least one mutational event for each restriction enzyme surveyed. This random survey of the ct genomes of these species points out E. indica as one of the genome donors (maternal genome donor) of domesticated fi...Continue Reading

Citations

Apr 5, 2005·Molecular Phylogenetics and Evolution·Susana S NevesWm Vance Baird
Aug 1, 1992·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·S C Hiremath, S S Salimath
Apr 1, 1992·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·K W Hilu, J L Johnson
Aug 16, 2005·Journal of Ethnopharmacology·Finn SandbergHesham Rushdey El-Seedi
Sep 1, 1990·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·M Pillay, K W Hilu

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