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Cited by 299

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Physical and Genetic Structure of the Maize Genome Reflects Its Complex Evolutionary History

Open access
Wei, Fusheng, Coe, Ed, Nelson, William, Bharti, Arvind K, Engler, Fred, Butler, Ed, Kim, HyeRan, Goicoechea, Jose Luis, Chen, Mingsheng, Lee, Seunghee, Fuks, Galina, Sanchez-Villeda, Hector, Schroeder, Steven, Fang, Zhiwei, McMullen, Michael, Davis, Georgia, Bowers, John E, Paterson, Andrew H, Schaeffer, Mary, Gardiner, Jack, Cone, Karen, Messing, Joachim, Soderlund, Carol, Wing, Rod A·2007·PLoS Genetics

Abstract

Maize (Zea mays L.) is one of the most important cereal crops and a model for the study of genetics, evolution, and domestication. To better understand maize genome organization and to build a framework for genome sequencing, we constructed a sequence-ready fingerprinted contig-based physical map that covers 93.5% of the genome, of which 86.1% is aligned to the genetic map. The fingerprinted contig map contains 25,908 genic markers that enabled us to align nearly 73% of the anchored maize genome to the rice genome. The distribution pattern of expressed sequence tags correlates to that of recombination. In collinear regions, 1 kb in rice corresponds to an average of 3.2 kb in maize, yet maize has a 6-fold genome size expansion. This can be explained by the fact that most rice regions correspond to two regions in maize as a result of its recent polyploid origin. Inversions account for the majority of chromosome structural variations during subsequent maize diploidization. We also find clear evidence of ancient genome duplication predating the divergence of the progenitors of maize and rice. Reconstructing the paleoethnobotany of the maize genome indicates that the progenitors of modern maize contained ten chromosomes.

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Metadata

Authors
Wei, F., Coe, E., Nelson, W., Bharti, A. K., Engler, F., Butler, E., Kim, H., Goicoechea, J. L., Chen, M., Lee, S., Fuks, G., Sanchez-Villeda, H., Schroeder, S., Fang, Z., McMullen, M., Davis, G., Bowers, J. E., Paterson, A. H., Schaeffer, M., Gardiner, J., Cone, K., Messing, J., Soderlund, C., & Wing, R. A.
Venue
PLoS Genetics
Published
2007-07-20
Volume
3
Issue
7
Pages
e123
ISSN
  • 1553-7390 (ISSN-L)
  • 1553-7404
OpenAlex
W2145660214
Cited by
299
References
38
FWCI
33.11
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Physical and Genetic Structure of the Maize Genome Reflects Its Complex Evolutionary History. https://app.cochat.ai/papers/10.1371/journal.pgen.0030123
The paper
Wei, F., Coe, E., Nelson, W., Bharti, A. K., Engler, F., Butler, E., Kim, H., Goicoechea, J. L., Chen, M., Lee, S., Fuks, G., Sanchez-Villeda, H., Schroeder, S., Fang, Z., McMullen, M., Davis, G., Bowers, J. E., Paterson, A. H., Schaeffer, M., . . . Wing, R. A. (2007). Physical and Genetic Structure of the Maize Genome Reflects Its Complex Evolutionary History. PLoS Genetics. https://doi.org/10.1371/journal.pgen.0030123

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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