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Plant Myb transcription factors arc crucial in regulating secondary metabolism, cellular morphogenesis and responses to hormone and stress signals. In this study, 19 Myb gene fragments were isolated from five Leymus species, three of which, LrMybSi LmMybS and LmMybG were nearly complete open reading frames encoding putative Leymus Myb genes. Sequence and phylogenetic analysis indicated that all these...
To investigate the Ns genome donor of Leymus and to elucidate the origin of Xm genome of Leymus, Random Amplified Polymorphic DNA (RAPD) markers were used to analyze 13 Leymus accessions, together with 14 taxa from related Triticeae genera. A total of 156 clear and reproducible DNA fragments were amplified by 24 RAPD primers, among which 154 fragments (98.72%) were found to be polymorphic. The main...
To investigate the phylogenetic relationships among Kengyilia and related diploid genera, the genome donor of Kengyilia, and the evolutionary history of polyploid Kengyilia species, disrupted meiotic cDNA1 (DMC1) sequences were analyzed for 11 Kengyilia species, together with 34 diploid taxa from 12 monogenomic genera. Sequence diversity and genealogical analysis suggested that (1) the St and P genomes...
To investigate the phylogenetic relationships among Elymus and related diploid genera, the genome donor of Elymus, and the evolutionary history of polyploid Elymus species, nuclear ribosomal internal transcribed spacer (ITS) sequences were analyzed for 10 Elymus species, together with 17 diploid taxa from 5 monogenomic genera. The phylogenetic analyses (Neighbor-Joining) supported two major clades...
To investigate the genetic diversity and phylogenetic relationships between polyploid Leymus and related diploid species of the Triticeae tribe, inter-simple sequence repeats (ISSR) markers was used to analyze 41 Leymus accessions representing 22 species and 2 subspecies, together with Pseudoroegneria stipifolia (St), Psathyrostachys fragilis (Ns), Australopyrum retrofractum (W), Hordeum bogdanii,...
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