A footprint of past climate change on the diversity and population structure of Miscanthus sinensis

Lindsay V. Clark, Joe E. Brummer, Katarzyna Głowacka, Megan C. Hall, Kweon Heo, Junhua Peng, Toshihiko Yamada, Ji Hye Yoo, Chang Yeon Yu, Hua Zhao, Stephen P. Long, Erik J. Sacks

Research output: Contribution to journalArticle

Abstract

Background and Aims Miscanthus is a perennial C4 grass that is a leading potential feedstock crop for the emerging bioenergy industry in North America, Europe and China. However, only a single, sterile genotype of M. × giganteus (M×g), a nothospecies derived from diploid M. sinensis (Msi) and tetraploid M. sacchariflorus (Msa), is currently available to farmers for biomass production. To facilitate breeding of Miscanthus, this study characterized genetic diversity and population structure of Msi in its native range of East Asia. Methods A total of 767 accessions were studied, including 617 Msi from most of its native range in China, Japan and South Korea, and 77 ornamental cultivars and 43 naturalized individuals from the USA. Accessions were evaluated with 21 207 restriction site-associated DNA sequencing single nucleotide polymorphism (SNP) markers, 424 GoldenGate SNPs and ten plastid microsatellite markers. Key Results Six genetic clusters of Msi from geographically distinct regions in Asia were identified. Genetic data indicated that (1) south-eastern China was the origin of Msi populations found in temperate eastern Asia, which is consistent with this area probably having been a refugium during the last glacial maximum (LGM); (2) Msi migrated directly from south-eastern China to Japan before migrating to the same latitudes in China and Korea, which is consistent with the known sequence of warming post-LGM; (3) ornamental Msi cultivars were derived from the southern Japan population, and US naturalized populations were derived from a sub-set of the ornamental cultivars; and (4) many ornamental cultivars previously described as Msi have hybrid ancestry from Msa and Msi, whereas US naturalized populations of Msi do not. Conclusions Population structure of Msi was driven by patterns of warming since the LGM, and secondarily by geographical barriers. This study will facilitate germplasm conservation, association analyses and identification of potential heterotic groups for the improvement of Miscanthus as a bioenergy crop.

Original languageEnglish (US)
Pages (from-to)97-107
Number of pages11
JournalAnnals of botany
Volume114
Issue number1
DOIs
StatePublished - Jul 2014

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Miscanthus sinensis
carbon footprint
population structure
Miscanthus
China
cultivars
Japan
East Asia
bioenergy industry
energy crops
South Korea
germplasm conservation
feedstocks
refuge habitats
single nucleotide polymorphism
tetraploidy
plastids
Korean Peninsula
biomass production
ancestry

Keywords

  • Andropogoneae
  • Miscanthus sinensis
  • Saccharinae
  • bioenergy
  • biogeography
  • climate change
  • plastid microsatellite
  • population genetics
  • single nucleotide polymorphism

ASJC Scopus subject areas

  • Plant Science

Cite this

A footprint of past climate change on the diversity and population structure of Miscanthus sinensis. / Clark, Lindsay V.; Brummer, Joe E.; Głowacka, Katarzyna; Hall, Megan C.; Heo, Kweon; Peng, Junhua; Yamada, Toshihiko; Yoo, Ji Hye; Yu, Chang Yeon; Zhao, Hua; Long, Stephen P.; Sacks, Erik J.

In: Annals of botany, Vol. 114, No. 1, 07.2014, p. 97-107.

Research output: Contribution to journalArticle

Clark, LV, Brummer, JE, Głowacka, K, Hall, MC, Heo, K, Peng, J, Yamada, T, Yoo, JH, Yu, CY, Zhao, H, Long, SP & Sacks, EJ 2014, 'A footprint of past climate change on the diversity and population structure of Miscanthus sinensis', Annals of botany, vol. 114, no. 1, pp. 97-107. https://doi.org/10.1093/aob/mcu084
Clark, Lindsay V. ; Brummer, Joe E. ; Głowacka, Katarzyna ; Hall, Megan C. ; Heo, Kweon ; Peng, Junhua ; Yamada, Toshihiko ; Yoo, Ji Hye ; Yu, Chang Yeon ; Zhao, Hua ; Long, Stephen P. ; Sacks, Erik J. / A footprint of past climate change on the diversity and population structure of Miscanthus sinensis. In: Annals of botany. 2014 ; Vol. 114, No. 1. pp. 97-107.
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abstract = "Background and Aims Miscanthus is a perennial C4 grass that is a leading potential feedstock crop for the emerging bioenergy industry in North America, Europe and China. However, only a single, sterile genotype of M. × giganteus (M×g), a nothospecies derived from diploid M. sinensis (Msi) and tetraploid M. sacchariflorus (Msa), is currently available to farmers for biomass production. To facilitate breeding of Miscanthus, this study characterized genetic diversity and population structure of Msi in its native range of East Asia. Methods A total of 767 accessions were studied, including 617 Msi from most of its native range in China, Japan and South Korea, and 77 ornamental cultivars and 43 naturalized individuals from the USA. Accessions were evaluated with 21 207 restriction site-associated DNA sequencing single nucleotide polymorphism (SNP) markers, 424 GoldenGate SNPs and ten plastid microsatellite markers. Key Results Six genetic clusters of Msi from geographically distinct regions in Asia were identified. Genetic data indicated that (1) south-eastern China was the origin of Msi populations found in temperate eastern Asia, which is consistent with this area probably having been a refugium during the last glacial maximum (LGM); (2) Msi migrated directly from south-eastern China to Japan before migrating to the same latitudes in China and Korea, which is consistent with the known sequence of warming post-LGM; (3) ornamental Msi cultivars were derived from the southern Japan population, and US naturalized populations were derived from a sub-set of the ornamental cultivars; and (4) many ornamental cultivars previously described as Msi have hybrid ancestry from Msa and Msi, whereas US naturalized populations of Msi do not. Conclusions Population structure of Msi was driven by patterns of warming since the LGM, and secondarily by geographical barriers. This study will facilitate germplasm conservation, association analyses and identification of potential heterotic groups for the improvement of Miscanthus as a bioenergy crop.",
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AU - Hall, Megan C.

AU - Heo, Kweon

AU - Peng, Junhua

AU - Yamada, Toshihiko

AU - Yoo, Ji Hye

AU - Yu, Chang Yeon

AU - Zhao, Hua

AU - Long, Stephen P.

AU - Sacks, Erik J.

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N2 - Background and Aims Miscanthus is a perennial C4 grass that is a leading potential feedstock crop for the emerging bioenergy industry in North America, Europe and China. However, only a single, sterile genotype of M. × giganteus (M×g), a nothospecies derived from diploid M. sinensis (Msi) and tetraploid M. sacchariflorus (Msa), is currently available to farmers for biomass production. To facilitate breeding of Miscanthus, this study characterized genetic diversity and population structure of Msi in its native range of East Asia. Methods A total of 767 accessions were studied, including 617 Msi from most of its native range in China, Japan and South Korea, and 77 ornamental cultivars and 43 naturalized individuals from the USA. Accessions were evaluated with 21 207 restriction site-associated DNA sequencing single nucleotide polymorphism (SNP) markers, 424 GoldenGate SNPs and ten plastid microsatellite markers. Key Results Six genetic clusters of Msi from geographically distinct regions in Asia were identified. Genetic data indicated that (1) south-eastern China was the origin of Msi populations found in temperate eastern Asia, which is consistent with this area probably having been a refugium during the last glacial maximum (LGM); (2) Msi migrated directly from south-eastern China to Japan before migrating to the same latitudes in China and Korea, which is consistent with the known sequence of warming post-LGM; (3) ornamental Msi cultivars were derived from the southern Japan population, and US naturalized populations were derived from a sub-set of the ornamental cultivars; and (4) many ornamental cultivars previously described as Msi have hybrid ancestry from Msa and Msi, whereas US naturalized populations of Msi do not. Conclusions Population structure of Msi was driven by patterns of warming since the LGM, and secondarily by geographical barriers. This study will facilitate germplasm conservation, association analyses and identification of potential heterotic groups for the improvement of Miscanthus as a bioenergy crop.

AB - Background and Aims Miscanthus is a perennial C4 grass that is a leading potential feedstock crop for the emerging bioenergy industry in North America, Europe and China. However, only a single, sterile genotype of M. × giganteus (M×g), a nothospecies derived from diploid M. sinensis (Msi) and tetraploid M. sacchariflorus (Msa), is currently available to farmers for biomass production. To facilitate breeding of Miscanthus, this study characterized genetic diversity and population structure of Msi in its native range of East Asia. Methods A total of 767 accessions were studied, including 617 Msi from most of its native range in China, Japan and South Korea, and 77 ornamental cultivars and 43 naturalized individuals from the USA. Accessions were evaluated with 21 207 restriction site-associated DNA sequencing single nucleotide polymorphism (SNP) markers, 424 GoldenGate SNPs and ten plastid microsatellite markers. Key Results Six genetic clusters of Msi from geographically distinct regions in Asia were identified. Genetic data indicated that (1) south-eastern China was the origin of Msi populations found in temperate eastern Asia, which is consistent with this area probably having been a refugium during the last glacial maximum (LGM); (2) Msi migrated directly from south-eastern China to Japan before migrating to the same latitudes in China and Korea, which is consistent with the known sequence of warming post-LGM; (3) ornamental Msi cultivars were derived from the southern Japan population, and US naturalized populations were derived from a sub-set of the ornamental cultivars; and (4) many ornamental cultivars previously described as Msi have hybrid ancestry from Msa and Msi, whereas US naturalized populations of Msi do not. Conclusions Population structure of Msi was driven by patterns of warming since the LGM, and secondarily by geographical barriers. This study will facilitate germplasm conservation, association analyses and identification of potential heterotic groups for the improvement of Miscanthus as a bioenergy crop.

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KW - single nucleotide polymorphism

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