Genomic evolutionary changes in Aegilops allopolyploids revealed by ISSR markers

doi:10.1360/aps040169

Abstract

Abstract: Genomic evolutions were characterized by 31 ISSR (inter-simple sequence repeat) primers among 23 species in the genus Aegilops. The results indicate that the genome constituents of allopolyploid species had changed greatly through evolution compared with their ancestral diploid species. Genome U showed little alterations in U-containing allopolyploids, while others had undergone changes after allopolyploidization. In addition, genome U also displayed strong assimilation effect when it coexisted with other genomes, and the other genomes changed to varying degrees. The evolutionary changes of these genomes were discussed.

Key words: Aegilops, allopolyploid, genomic evolutionary change, ISSR

GONG Han‐Yu, LIU Ai‐Hua, WANG Jian‐Bo. Genomic evolutionary changes in Aegilops allopolyploids revealed by ISSR markers[J]. J Syst Evol, 2006, 44(3): 286-295.

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Genomic evolutionary changes in Aegilops allopolyploids revealed by ISSR markers

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