C
Christopher J. Grassa
Researcher at Harvard University
Publications - 34
Citations - 2354
Christopher J. Grassa is an academic researcher from Harvard University. The author has contributed to research in topics: Genome & Population. The author has an hindex of 16, co-authored 34 publications receiving 1741 citations. Previous affiliations of Christopher J. Grassa include University of British Columbia & University of Toulouse.
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Journal ArticleDOI
The sunflower genome provides insights into oil metabolism, flowering and Asterid evolution
Hélène Badouin,Jérôme Gouzy,Christopher J. Grassa,Christopher J. Grassa,Florent Murat,S. Evan Staton,Ludovic Cottret,Christine Lelandais-Brière,Gregory L. Owens,Sébastien Carrère,Baptiste Mayjonade,Ludovic Legrand,Navdeep Gill,Nolan C. Kane,Nolan C. Kane,John E. Bowers,Sariel Hübner,Sariel Hübner,Arnaud Bellec,Aurélie Bérard,Hélène Bergès,Nicolas Blanchet,Marie Claude Boniface,Dominique Brunel,Olivier Catrice,Nadia Chaidir,Nadia Chaidir,Clotilde Claudel,Cécile Donnadieu,Thomas Faraut,Ghislain Fievet,Nicolas Helmstetter,Matthew G. King,Matthew G. King,Steven J. Knapp,Zhao Lai,Marie-Christine Le Paslier,Yannick Lippi,Lolita Lorenzon,Jennifer R. Mandel,Gwenola Marage,Gwenaëlle Marchand,Elodie Marquand,Emmanuelle Bret-Mestries,Evan Morien,Savithri U. Nambeesan,Thuy Tien Nguyen,Thuy Tien Nguyen,Prune Pegot-Espagnet,Nicolas Pouilly,Frances Raftis,Erika Sallet,Thomas Schiex,Justine Thomas,Céline Vandecasteele,D. Varès,Felicity Vear,Sonia Vautrin,Martin Crespi,Brigitte Mangin,John M. Burke,Jérôme Salse,Stéphane Muños,Patrick Vincourt,Loren H. Rieseberg,Loren H. Rieseberg,Nicolas B. Langlade +66 more
TL;DR: It is found that the genomic architecture of flowering time has been shaped by the most recent whole-genome duplication, which suggests that ancient paralogues can remain in the same regulatory networks for dozens of millions of years.
Journal ArticleDOI
The genome of flax (Linum usitatissimum) assembled de novo from short shotgun sequence reads.
Zhiwen Wang,Neil Hobson,Leonardo Galindo,Shilin Zhu,Daihu Shi,Joshua McDill,Linfeng Yang,Simon Hawkins,Godfrey Neutelings,Raju Datla,Georgina M. Lambert,David W. Galbraith,Christopher J. Grassa,Armando Geraldes,Quentin C. B. Cronk,Christopher A. Cullis,Prasanta K. Dash,Polumetla Ananda Kumar,Sylvie Cloutier,Sylvie Cloutier,Andrew G. Sharpe,Gane Ka-Shu Wong,Jun Wang,Michael K. Deyholos +23 more
TL;DR: Results show that de novo assembly, based solely on whole-genome shotgun short-sequence reads, is an efficient means of obtaining nearly complete genome sequence information for some plant species.
Journal ArticleDOI
Genomic islands of divergence are not affected by geography of speciation in sunflowers
Sébastien Renaut,Christopher J. Grassa,Sam Yeaman,Brook T. Moyers,Zhao Lai,Nolan C. Kane,Nolan C. Kane,John E. Bowers,John M. Burke,Loren H. Rieseberg,Loren H. Rieseberg +10 more
TL;DR: It is found that genetic divergence is lower in sympatric and parapatric comparisons, consistent with a role for gene flow in eroding neutral differences, and the results indicate that the functional architecture of genomes plays a larger role in shaping genomic divergence than does the geography of speciation.
Journal ArticleDOI
Sunflower pan-genome analysis shows that hybridization altered gene content and disease resistance
Sariel Hübner,Sariel Hübner,Natalia Bercovich,Marco Todesco,Jennifer R. Mandel,Jens Odenheimer,Emanuel Ziegler,Joon S. Lee,Gregory J. Baute,Gregory L. Owens,Gregory L. Owens,Christopher J. Grassa,Christopher J. Grassa,Daniel Ebert,Daniel Ebert,Katherine L. Ostevik,Katherine L. Ostevik,Brook T. Moyers,Brook T. Moyers,Sarah B. Yakimowski,Rishi R. Masalia,Lexuan Gao,Irina Ćalić,John E. Bowers,Nolan C. Kane,Nolan C. Kane,Dirk Z H Swanevelder,Timo Kubach,Stéphane Muños,Nicolas B. Langlade,John M. Burke,Loren H. Rieseberg +31 more
TL;DR: A sunflower pan-genome determined by sequencing about 500 accessions showed that introgression from the wild species has profoundly shaped the cultivar gene pool and contributed disease resistance genes.
Journal ArticleDOI
Digitization and the future of natural history collections
Brandon P. Hedrick,J. Mason Heberling,Emily K. Meineke,Kathryn G. Turner,Christopher J. Grassa,Daniel S. Park,Jonathan A. Kennedy,Julia A. Clarke,Joseph A. Cook,David C. Blackburn,Scott V. Edwards,Charles C. Davis +11 more
TL;DR: In this paper, the authors proposed a new approach that relies on digitized products rather than the physical specimen, and built on the data, workflows, and infrastructure produced by digitization 1.0 to create digital-only workflows that facilitate digitization, curation, and data links, thus returning value to physical specimens.