The DOI matches its Crossref record; 65 of the 65 references it cites were found in a registry or an index.
Comparative Mapping Between Arabidopsis thaliana and Brassica nigra Indicates That Brassica Genomes Have Evolved Through Extensive Genome Replication Accompanied by Chromosome Fusions and Frequent Rearrangements
Abstract
Chromosome organization and evolution in the Brassicaceae family was studied using comparative linkage mapping. A total of 160 mapped Arabidopsis thaliana DNA fragments identified 284 homologous loci covering 751 cM in Brassica nigra. The data support that modern diploid Brassica species are descended from a hexaploid ancestor, and that the A. thaliana genome is similar in structure and complexity to those of each of the hypothetical diploid progenitors of the proposed hexaploid. Thus, the Brassica lineage probably went through a triplication after the divergence of the lineages leading to A. thaliana and B. nigra. These duplications were also accompanied by an exceptionally high rate of chromosomal rearrangements. The average length of conserved segments between A. thaliana and B. nigra was estimated at 8 cM. This estimate corresponds to ∼90 rearrangements since the divergence of the two species. The estimated rate of chromosomal rearrangements is higher than any previously reported data based on comparative mapping. Despite the large number of rearrangements, fine-scale comparative mapping between model plant A. thaliana and Brassica crops is likely to result in the identification of a large number of genes that affect important traits in Brassica crops.
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Cited by
The ABC’s of comparative genomics in the Brassicaceae: building blocks of crucifer genomes
Schranz, M. E., Lysak, M. A., & Mitchell-Olds, T. (2006) · Trends in Plant Science · doi:10.1016/j.tplants.2006.09.002 · Cited by 575
Ku, H.-M., Vision, T., Liu, J., & Tanksley, S. D. (2000) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.160271297 · Cited by 408
Doubling down on genomes: Polyploidy and crop plants
Renny‐Byfield, S., & Wendel, J. F. (2014) · American Journal of Botany · doi:10.3732/ajb.1400119 · Cited by 406
Deciphering the Diploid Ancestral Genome of the Mesohexaploid Brassica rapa
Cheng, F., Mandáková, T., Wu, J., Xie, Q., Lysak, M. A., & Wang, X. (2013) · The Plant Cell · doi:10.1105/tpc.113.110486 · Cited by 353
Arabidopsis thaliana and its wild relatives: a model system for ecology and evolution
Mitchell-Olds, T. (2001) · Trends in Ecology & Evolution · doi:10.1016/s0169-5347(01)02291-1 · Cited by 300
Metadata
- Authors
- Lagercrantz, U.
- Venue
- Genetics
- Publisher
- Oxford University Press (OUP)
- Published
- 1998-11-01
- Volume
- 150
- Issue
- 3
- Pages
- 1217-1228
- ISSN
- 0016-6731 (ISSN-L)
- 1943-2631
- OpenAlex
- W2165703038
- Cited by
- 458
- References
- 65
- FWCI
- 28.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Comparative Mapping Between Arabidopsis thaliana and Brassica nigra Indicates That Brassica Genomes Have Evolved Through Extensive Genome Replication Accompanied by Chromosome Fusions and Frequent Rearrangements. https://app.cochat.ai/papers/10.1093/genetics/150.3.1217
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- Lagercrantz, U. (1998). Comparative Mapping Between Arabidopsis thaliana and Brassica nigra Indicates That Brassica Genomes Have Evolved Through Extensive Genome Replication Accompanied by Chromosome Fusions and Frequent Rearrangements. Genetics. https://doi.org/10.1093/genetics/150.3.1217
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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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