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Peer-reviewedCC BYScience

Genomes of Poaceae relatives reveal key metabolic innovations preceding the evolution of grasses

  • Yuri Takeda1,2
  • Bethany M. Moore1
  • Samuel Holden3
  • Jae S. Morris4
  • Sontosh K. Deb5
  • Carly Sanders1
  • Jorge El‐Azaz1
  • Matthew David Barrett6
  • David H. Lorence7
  • Marcos V. V. de Oliveira1
  • Wynne Havranek4
  • Jane Grimwood8
13 more authors
  • Melissa E. Williams8
  • Lori Beth Boston8
  • Jerry W. Jenkins8
  • Christopher Plott8
  • Shengqiang Shu9
  • Kerrie Barry9
  • David M. Goodstein9
  • Jeremy Schmutz8,9
  • Joseph M. Jez4
  • Matthew Moscou3,10
  • Michael R. McKain11,5
  • Jim Leebens‐Mack12
  • Hiroshi A. Maeda1
12 affiliations
  1. 1Department of Botany, University of Wisconsin–Madison, Madison, WI, USA
  2. 2Faculty of Agriculture, Yamagata University, Tsuruoka, Yamagata, Japan
  3. 3The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, Norwich, UK
  4. 4Department of Biology, Washington University in St. Louis, St. Louis, MO, USA
  5. 5Department of Biological Sciences, University of Alabama, Tuscaloosa, AL, USA
  6. 6Australian Tropical Herbarium, James Cook University Nguma Bada Campus, Smithfield, QLD, Australia
  7. 7National Tropical Botanical Garden, Kalaheo, HI, USA
  8. 8Genome Sequencing Center, HudsonAlpha Institute for Biotechnology, Huntsville, AL, USA
  9. 9US Department of Energy Joint Genome Institute, Berkeley, CA, USA
  10. 10US Department of Agriculture–Agricultural Research Service (USDA-ARS), Cereal Disease Laboratory, St. Paul, MN, USA
  11. 11CONSERVE Research Group, Alabama Water Institute, University of Alabama, Tuscaloosa, AL, USA
  12. 12Department of Plant Biology, University of Georgia, Athens, GA, USA
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Abstract

The grass family (Poaceae, Poales) holds immense economic and ecological significance, exhibiting unique metabolic traits, including dual starch and lignin biosynthetic pathways. To investigate when and how the metabolic innovations known in grasses evolved, we sequenced the genomes of four Poales species, including Joinvillea ascendens and Ecdeiocolea monostachya representing the sister clade to Poaceae. The rho whole genome duplication (ρWGD) in the ancestral lineage for all grasses contributed to the gene family expansions underlying cytosolic starch biosynthesis, whereas an earlier tandem duplication of phenylalanine ammonia lyase ( PAL ) gave rise to phenylalanine/tyrosine ammonia lyase ( PTAL ) responsible for the dual lignin biosynthesis. Integrated functional genomic and biochemical analyses of grass relatives further revealed the molecular basis of key metabolic innovations predating the evolution of grasses. Abstract Figure

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Cite

BibTeXRIS
BibTeX
@article{takeda2026genomes,
  title = {{Genomes of Poaceae relatives reveal key metabolic innovations preceding the evolution of grasses}},
  author = {Yuri Takeda and Bethany M. Moore and Samuel Holden and Jae S. Morris and Sontosh K. Deb and Carly Sanders and Jorge El‐Azaz and Matthew David Barrett and David H. Lorence and Marcos V. V. de Oliveira and Wynne Havranek and Jane Grimwood and Melissa E. Williams and Lori Beth Boston and Jerry W. Jenkins and Christopher Plott and Shengqiang Shu and Kerrie Barry and David M. Goodstein and Jeremy Schmutz and Joseph M. Jez and Matthew Moscou and Michael R. McKain and Jim Leebens‐Mack and Hiroshi A. Maeda},
  journal = {Science},
  year = {2026},
  month = aug,
  doi = {10.1126/science.adv0443},
  url = {https://doi.org/10.1101/2024.11.06.622220},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Genomes of Poaceae relatives reveal key metabolic innovations preceding the evolution of grasses
AU  - Yuri Takeda
AU  - Bethany M. Moore
AU  - Samuel Holden
AU  - Jae S. Morris
AU  - Sontosh K. Deb
AU  - Carly Sanders
AU  - Jorge El‐Azaz
AU  - Matthew David Barrett
AU  - David H. Lorence
AU  - Marcos V. V. de Oliveira
AU  - Wynne Havranek
AU  - Jane Grimwood
AU  - Melissa E. Williams
AU  - Lori Beth Boston
AU  - Jerry W. Jenkins
AU  - Christopher Plott
AU  - Shengqiang Shu
AU  - Kerrie Barry
AU  - David M. Goodstein
AU  - Jeremy Schmutz
AU  - Joseph M. Jez
AU  - Matthew Moscou
AU  - Michael R. McKain
AU  - Jim Leebens‐Mack
AU  - Hiroshi A. Maeda
PY  - 2026
DA  - 2026/08/20
JO  - Science
DO  - 10.1126/science.adv0443
UR  - https://doi.org/10.1101/2024.11.06.622220
AB  - The grass family (Poaceae, Poales) holds immense economic and ecological significance, exhibiting unique metabolic traits, including dual starch and lignin biosynthetic pathways. To investigate when and how the metabolic innovations known in grasses evolved, we sequenced the genomes of four Poales species, including Joinvillea ascendens and Ecdeiocolea monostachya representing the sister clade to Poaceae. The rho whole genome duplication (ρWGD) in the ancestral lineage for all grasses contributed to the gene family expansions underlying cytosolic starch biosynthesis, whereas an earlier tandem duplication of phenylalanine ammonia lyase ( PAL ) gave rise to phenylalanine/tyrosine ammonia lyase ( PTAL ) responsible for the dual lignin biosynthesis. Integrated functional genomic and biochemical analyses of grass relatives further revealed the molecular basis of key metabolic innovations predating the evolution of grasses. Abstract Figure
SN  - 0036-8075
SN  - 0193-4511
SN  - 1095-9203
ER  -