Original Articles

Current Genetics

, Volume 20, Issue 1, pp 157-159

Choloroplast DNA heterogeneity in Monodus sp. (Eustigmatophyta)

  • Ning LiAffiliated withBotany Department KB-15, University of Washington
  • , Mary Francis HedbergAffiliated withBotany Department KB-15, University of Washington
  • , Rose Ann CattolicoAffiliated withBotany Department KB-15, University of Washington

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Summary

Monodus satellite DNA, isolated by CsCl-Hoescht dye gradient centrifugation, was subjected to field inversion gel electrophoresis. Five differently sized DNA molecules were resolved. Molecules of 110 and 48 kb were identified as chloroplast DNA by hybridization analysis; a 40 kb molecular species is a degradation proluct, while the organellar origin of the 140 and 135 kb molecules remains unknown.

Key words

Algae cpDNA Heterogeneity FIGE