Genome biology of the paleotetraploid perennial biomass crop Miscanthus

Therese Mitros, Adam M. Session, Brandon T. James, Guohong Albert Wu, Mohammad B. Belaffif, Lindsay V. Clark, Shengqiang Shu, Hongxu Dong, Adam Barling, Jessica R. Holmes, Jessica E. Mattick, Jessen V. Bredeson, Siyao Liu, Kerrie Farrar, Katarzyna Głowacka, Stanisław Jeżowski, Kerrie Barry, Won Byoung Chae, John A. Juvik, Justin GiffordAdebosola Oladeinde, Toshihiko Yamada, Jane Grimwood, Nicholas H. Putnam, Jose De Vega, Susanne Barth, Manfred Klaas, Trevor Hodkinson, Laigeng Li, Xiaoli Jin, Junhua Peng, Chang Yeon Yu, Kweon Heo, Ji Hye Yoo, Bimal Kumar Ghimire, Iain S. Donnison, Jeremy Schmutz, Matthew E. Hudson, Erik J. Sacks, Stephen P. Moose, Kankshita Swaminathan, Daniel S. Rokhsar*

*Awdur cyfatebol y gwaith hwn

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

61 Dyfyniadau(SciVal)
410 Wedi eu Llwytho i Lawr (Pure)

Crynodeb

Miscanthus is a perennial wild grass that is of global importance for paper production, roofing, horticultural plantings, and an emerging highly productive temperate biomass crop. We report a chromosome-scale assembly of the paleotetraploid M. sinensis genome, providing a resource for Miscanthus that links its chromosomes to the related diploid Sorghum and complex polyploid sugarcanes. The asymmetric distribution of transposons across the two homoeologous subgenomes proves Miscanthus paleo-allotetraploidy and identifies several balanced reciprocal homoeologous exchanges. Analysis of M. sinensis and M. sacchariflorus populations demonstrates extensive interspecific admixture and hybridization, and documents the origin of the highly productive triploid bioenergy crop M. × giganteus. Transcriptional profiling of leaves, stem, and rhizomes over growing seasons provides insight into rhizome development and nutrient recycling, processes critical for sustainable biomass accumulation in a perennial temperate grass. The Miscanthus genome expands the power of comparative genomics to understand traits of importance to Andropogoneae grasses.

Iaith wreiddiolSaesneg
Rhif yr erthygl5442
Nifer y tudalennau11
CyfnodolynNature Communications
Cyfrol11
Rhif cyhoeddi1
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 28 Hyd 2020

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