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@article{1874507,
author = {Zuo, Sheng and Guo, Xinyi and Malík Mandáková, Terezie and Edginton, Mark and AlandShehbaz, Ihsan A and Lysák, Martin},
article_location = {UNITED STATES},
article_number = {1},
doi = {http://dx.doi.org/10.1093/plphys/kiac268},
keywords = {Brassicaceae; chloroplast; chloroplast gene; cladistics; cladogenesis; coevolution; cold stress; DNA sequence; fruit; homoeologous recombination; human; molecular evolution; natural selection; nonhuman},
language = {eng},
issn = {0032-0889},
journal = {PLANT PHYSIOLOGY},
title = {Genome diploidization associates with cladogenesis, trait disparity, and plastid gene evolution},
url = {https://academic.oup.com/plphys/advance-article/doi/10.1093/plphys/kiac268/6603700?login=true},
volume = {190},
year = {2022}
}
TY - JOUR
ID - 1874507
AU - Zuo, Sheng - Guo, Xinyi - Malík Mandáková, Terezie - Edginton, Mark - Al-Shehbaz, Ihsan A - Lysák, Martin
PY - 2022
TI - Genome diploidization associates with cladogenesis, trait disparity, and plastid gene evolution
JF - PLANT PHYSIOLOGY
VL - 190
IS - 1
SP - 403-420
EP - 403-420
PB - OXFORD UNIV PRESS INC
SN - 00320889
KW - Brassicaceae
KW - chloroplast
KW - chloroplast gene
KW - cladistics
KW - cladogenesis
KW - coevolution
KW - cold stress
KW - DNA sequence
KW - fruit
KW - homoeologous recombination
KW - human
KW - molecular evolution
KW - natural selection
KW - nonhuman
UR - https://academic.oup.com/plphys/advance-article/doi/10.1093/plphys/kiac268/6603700?login=true
N2 - Differently paced postpolyploid diploidization is mirrored by intra-tribal cladogenesis and associates with variation in morphological disparity and plastid-nuclear genome coevolution. Angiosperm genome evolution was marked by many clade-specific whole-genome duplication events. The Microlepidieae is one of the monophyletic clades in the mustard family (Brassicaceae) formed after an ancient allotetraploidization. Postpolyploid cladogenesis has resulted in the extant c. 17 genera and 60 species endemic to Australia and New Zealand (10 species). As postpolyploid genome diploidization is a trial-and-error process under natural selection, it may proceed with different intensity and be associated with speciation events. In Microlepidieae, different extents of homoeologous recombination between the two parental subgenomes generated clades marked by slow ("cold") versus fast ("hot") genome diploidization. To gain a deeper understanding of postpolyploid genome evolution in Microlepidieae, we analyzed phylogenetic relationships in this tribe using complete chloroplast sequences, entire 35S rDNA units, and abundant repetitive sequences. The four recovered intra-tribal clades mirror the varied diploidization of Microlepidieae genomes, suggesting that the intrinsic genomic features underlying the extent of diploidization are shared among genera and species within one clade. Nevertheless, even congeneric species may exert considerable morphological disparity (e.g. in fruit shape), whereas some species within different clades experience extensive morphological convergence despite the different pace of their genome diploidization. We showed that faster genome diploidization is positively associated with mean morphological disparity and evolution of chloroplast genes (plastid-nuclear genome coevolution). Higher speciation rates in perennials than in annual species were observed. Altogether, our results confirm the potential of Microlepidieae as a promising subject for the analysis of postpolyploid genome diploidization in Brassicaceae.
ER -
ZUO, Sheng, Xinyi GUO, Terezie MALÍK MANDÁKOVÁ, Mark EDGINTON, Ihsan A AL-SHEHBAZ a Martin LYSÁK. Genome diploidization associates with cladogenesis, trait disparity, and plastid gene evolution. \textit{PLANT PHYSIOLOGY}. UNITED STATES: OXFORD UNIV PRESS INC, 2022, roč.~190, č.~1, s.~403-420. ISSN~0032-0889. Dostupné z: https://dx.doi.org/10.1093/plphys/kiac268.
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