Aegilops Tauschii (Poaceae, Poales) Phylogenetic Tree Based on Transcriptomes Sequencing

Dudnikov, A. J. and Vasiliev, G. V. and Hao, M. and Liu, D.-C. and Xing, F. and Mansouri, M. and Afonnikov, D. A. and Shmakov, N. A. (2024) Aegilops Tauschii (Poaceae, Poales) Phylogenetic Tree Based on Transcriptomes Sequencing. ACTA BOTANICA HUNGARICA, 66 (3-4). pp. 155-166. ISSN 0236-6495

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Abstract

40 accessions of Aegilops tauschii Coss. specially chosen to present as much of the species variability as possible in such sample were used to build a phylogenetic tree based on transcriptomes sequences. The tree displays subdivision of Ae. tauschii into TauL1, TauL2 and TauL3 gene-pools, and also into subsp. tauschii (TauL1) and subsp. strangulata (TauL2 + TauL3). TauL3 does not look as an outlier. Both subsp. strangulata and subsp. tauschii are highly variable. Accessions from all clades of subsp. tauschii and some clades of subsp. strangulata have disjoint patterns of geographic occurrence, while some of subsp. strangulata clades correspond to particular geographical regions. No special separate clade was formed by some accessions of Ae. tauschii subsp. tauschii from Yellow River region.

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