Domestication to crop improvement: Genetic resources for Sorghum and saccharum (Andropogoneae)

Dillon, Sally L., Shapter, Frances M., Henry, Robert J., Cordeiro, Giovanni, Izquierdo, Liz and Lee, L. Slade (2007) Domestication to crop improvement: Genetic resources for Sorghum and saccharum (Andropogoneae). Annals of Botany, 100 5: 975-989.


Author Dillon, Sally L.
Shapter, Frances M.
Henry, Robert J.
Cordeiro, Giovanni
Izquierdo, Liz
Lee, L. Slade
Title Domestication to crop improvement: Genetic resources for Sorghum and saccharum (Andropogoneae)
Journal name Annals of Botany  (ERA 2012 Listed)    (ERA 2010 Rank A)   Check publisher's open access policy
Publication date 2007-10
Sub-type Review of research - research literature review (NOT book review
DOI 10.1093/aob/mcm192
Volume number 100
Issue number 5
ISSN 0305-7364; 0003-4754; 1095-8290
Start page 975
End page 989
Total pages 15
Place of publication Oxford, England, U.K.
Publisher Oxford University Press
Language eng
Formatted abstract • Background: Both sorghum (Sorghum bicolor) and sugarcane (Saccharum officinarum) are members of the Andropogoneae tribe in the Poaceae and are each other's closest relatives amongst cultivated plants. Both are relatively recent domesticates and comparatively little of the genetic potential of these taxa and their wild relatives has been captured by breeding programmes to date. This review assesses the genetic gains made by plant breeders since domestication and the progress in the characterization of genetic resources and their utilization in crop improvement for these two related species. • Genetic Resources: The genome of sorghum has recently been sequenced providing a great boost to our knowledge of the evolution of grass genomes and the wealth of diversity within S. bicolor taxa. Molecular analysis of the Sorghum genus has identified close relatives of S. bicolor with novel traits, endosperm structure and composition that may be used to expand the cultivated gene pool. Mutant populations (including TILLING populations) provide a useful addition to genetic resources for this species. Sugarcane is a complex polyploid with a large and variable number of copies of each gene. The wild relatives of sugarcane represent a reservoir of genetic diversity for use in sugarcane improvement. Techniques for quantitative molecular analysis of gene or allele copy number in this genetically complex crop have been developed. SNP discovery and mapping in sugarcane has been advanced by the development of high-throughput techniques for ecoTILLING in sugarcane. Genetic linkage maps of the sugarcane genome are being improved for use in breeding selection. The improvement of both sorghum and sugarcane will be accelerated by the incorporation of more diverse germplasm into the domesticated gene pools using molecular tools and the improved knowledge of these genomes. © 2007 The Author(s).
Keyword Genomics
Sorghum
Sorghum bicolor
Sugarcane
Saccharum officinarum
Crop improvement
Domestication
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Review of research - research literature review (NOT book review
Collections: Queensland Alliance for Agriculture and Food Innovation
ERA 2012 Admin Only
 
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