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Phylogenomic analyses reveal reticulate evolution between Neomicrocalamus and Temochloa (Poaceae: Bambusoideae)
Ist Teil von
Frontiers in plant science, 2023-12, Vol.14, p.1274337-1274337
Ort / Verlag
Switzerland: Frontiers Media S.A
Erscheinungsjahr
2023
Quelle
EZB Electronic Journals Library
Beschreibungen/Notizen
and
are closely related to bamboo genera. However, when considered with newly discovered and morphologically similar material from China and Vietnam, the phylogenetic relationship among these three groups was ambiguous in the analyses based on DNA regions. Here, as a means of investigating the relationships among the three bamboo groups and exploring potential sources of genomic conflicts, we present a phylogenomic examination based on the whole plastome, single-nucleotide polymorphism (SNP), and single-copy nuclear (SCN) gene datasets. Three different phylogenetic hypotheses were found. The inconsistency is attributed to the combination of incomplete lineage sorting and introgression. The origin of newly discovered bamboos is from introgressive hybridization between
(which contributed 80.7% of the genome) and
(19.3%), indicating that the newly discovered bamboos are closer to
in genetics. The more similar morphology and closer distribution elevation also imply a closer relationship between
and newly discovered bamboos.