ArticleProceedings of the National Academy of Sciences of the United States of America1999
Colinearity and its exceptions in orthologous adh regions of maize and sorghum.
Article in Proceedings of the National Academy of Sciences of the United States of America, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 133 papers.
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133 citing papers in PubMed.
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- Comparative Genomics, Whole-Genome Re-sequencing and Expression Profile Analysis of Nucleobase:Cation Symporter 2 (Frontiers in plant science · 2018Article
- A comparative gene analysis with rice identified orthologous group II HKT genes and their association with Na(+) concentration in bread wheat.BMC plant biology · 2016Article
- Alternative Transposition Generates New Chimeric Genes and Segmental Duplications at the Maize p1 Locus.Genetics · 2015Article
- Genomic resources for gene discovery, functional genome annotation, and evolutionary studies of maize and its close relatives.Genetics · 2013Article
- A high density physical map of chromosome 1BL supports evolutionary studies, map-based cloning and sequencing in wheat.Genome biology · 2013Article
- Characterization of transposable elements in the ectomycorrhizal fungus Laccaria bicolor.PloS one · 2012Article
- Collinearity-based marker mining for the fine mapping of Pm6, a powdery mildew resistance gene in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2011Article
- Genome size and transposable element content as determined by high-throughput sequencing in maize and Zea luxurians.Genome biology and evolution · 2011Article
- Structural and functional divergence of a 1-Mb duplicated region in the soybean (Glycine max) genome and comparison to an orthologous region from Phaseolus vulgaris.The Plant cell · 2010Article
- A highly conserved gene island of three genes on chromosome 3B of hexaploid wheat: diverse gene function and genomic structure maintained in a tightly linked block.BMC plant biology · 2010Article
- Revolver and superior: novel transposon-like gene families of the plant kingdom.Current genomics · 2010Article
- Detailed analysis of a contiguous 22-Mb region of the maize genome.PLoS genetics · 2009Article
- Exceptional diversity, non-random distribution, and rapid evolution of retroelements in the B73 maize genome.PLoS genetics · 2009Article
73 more citing papers are in PubMed but not listed here.
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6 authors.
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Abstract
Orthologous adh regions of the sorghum and maize genomes were sequenced and analyzed. Nine known or candidate genes, including adh1, were found in a 225-kilobase (kb) maize sequence. In a 78-kb space of sorghum, the nine homologues of the maize genes were identified in a colinear order, plus five additional genes. The major fraction of DNA in maize, occupying 166 kb (74%), is represented by 22 long terminal repeat (LTR) retrotransposons. About 6% of the sequence belongs to 33 miniature inverted-repeat transposable elements (MITEs), remnants of DNA transposons, 4 simple sequence repeats, and low-copy-number DNAs of unknown origin. In contrast, no LTR retroelements were detected in the orthologous sorghum region. The unconserved sorghum DNA is composed of 20 putative MITEs, transposon-like elements, 5 simple sequence repeats, and low-copy-number DNAs of unknown origin. No MITEs were discovered in the 166 kb of DNA occupied by the maize LTR retrotransposons. In both species, MITEs were found in the space between genes and inside introns, indicating specific insertion and/or retention for these elements. Two adjacent sorghum genes, including one gene missing in maize, had colinear homologues on Arabidopsis chromosome IV, suggesting two rearrangements in the sorghum and three in the maize genome in comparison to a four-gene region of Arabidopsis. Hence, multiple small rearrangements may be present even in largely colinear genomic regions. These studies revealed a much higher degree of diversity at a microstructural level than predicted by genetic mapping studies for closely related grass species, as well as for comparisons of monocots and dicots.
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