Evolution of the ITS Sequences of Ribosomal Dna in Enteromorpha (Chlorophyceae)
作者： Elina Leskinen , Pekka Pamilo
DOI: 10.1111/J.1601-5223.1997.00017.X
关键词:
摘要: Ribosomal DNA (rDNA) region, including the 3 end of 18s rRNA gene, entire 5.8s 5' 28s and internal transcribed spacers ITS 1 2, Enteromorpha green algae from Baltic Sea, were sequenced. The evolution sequences differed those other in several important ways. regions short had a high nucleotide bias. frequency nucleotides G C was up to 70%, sequences, whereas frequencies close 50 YOin rDNA. Furthermore, sequence divergence much higher than 2. Two haplotypes, differing only by two nucleotides, detected E. intestinalislcompressa complex. difference coincides with morphological differentiation (branching thalli) may represent distinct gene pools.
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