ArticleBMC plant biology2014
Comparative mapping in the Poaceae family reveals translocations in the complex polyploid genome of sugarcane.
Article in BMC plant biology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 40 citations in OpenAlex.
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- QTL Mapping Using a High-Density Genetic Map to Identify Candidate Genes Associated With Metribuzin Tolerance in Hexaploid Wheat (Frontiers in plant science · 2020Article
- Transcriptional Regulation of Sorghum Stem Composition: Key Players Identified Through Co-expression Gene Network and Comparative Genomics Analyses.Frontiers in plant science · 2020Article
- Flow cytometric characterisation of the complex polyploid genome of Saccharum officinarum and modern sugarcane cultivars.Scientific reports · 2019Article
- A High-Density EST-SSR-Based Genetic Map and QTL Analysis of Dwarf Trait in Cucurbita pepo L.International journal of molecular sciences · 2018Article
- Development and Applications of Chromosome-Specific Cytogenetic BAC-FISH Probes inFrontiers in plant science · 2018Article
- Comparative genomics of Eucalyptus and Corymbia reveals low rates of genome structural rearrangement.BMC genomics · 2017Article
- Analysis of Three Sugarcane Homo/Homeologous Regions Suggests Independent Polyploidization Events of Saccharum officinarum and Saccharum spontaneum.Genome biology and evolution · 2017Article
- GBS-based single dosage markers for linkage and QTL mapping allow gene mining for yield-related traits in sugarcane.BMC genomics · 2017Article
- DArT Markers Effectively Target Gene Space in the Rye Genome.Frontiers in plant science · 2016Article
- Physiological and transcriptional analyses of developmental stages along sugarcane leaf.BMC plant biology · 2015Article
- Using quantitative PCR with retrotransposon-based insertion polymorphisms as markers in sugarcane.Journal of experimental botany · 2015Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe understanding of sugarcane genetics has lagged behind that of other members of the Poaceae family such as wheat, rice, barley and sorghum mainly due to the complexity, size and polyploidization of the genome. We have used the genetic map of a sugarcane cultivar to generate a consensus genetic map to increase genome coverage for comparison to the sorghum genome. We have utilized the recently developed sugarcane DArT array to increase the marker density within the genetic map. The sequence of these DArT markers plus SNP and EST-SSR markers was then used to form a bridge to the sorghum genomic sequence by BLAST alignment to start to unravel the complex genomic architecture of sugarcane.
resultsComparative mapping revealed that certain sugarcane chromosomes show greater levels of synteny to sorghum than others. On a macrosyntenic level a good collinearity was observed between sugarcane and sorghum for 4 of the 8 homology groups (HGs). These 4 HGs were syntenic to four sorghum chromosomes with from 98% to 100% of these chromosomes covered by these linked markers. Four major chromosome rearrangements were identified between the other four sugarcane HGs and sorghum, two of which were condensations of chromosomes reducing the basic chromosome number of sugarcane from x = 10 to x = 8. This macro level of synteny was transferred to other members within the Poaceae family such as maize to uncover the important evolutionary relationships that exist between sugarcane and these species.
conclusionsComparative mapping of sugarcane to the sorghum genome has revealed new information on the genome structure of sugarcane which will help guide identification of important genes for use in sugarcane breeding. Furthermore of the four major chromosome rearrangements identified in this study, three were common to maize providing some evidence that chromosome reduction from a common paleo-ancestor of both maize and sugarcane was driven by the same translocation events seen in both species.
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