Table 7 A selection of genomic and molecular studies performed on teff and related species in the last two decades
Main topic | Genetic materials | Approach | Practical implications | References |
|---|---|---|---|---|
Genetic diversity in tef and its relatives | 47 accessions of tef, three accessions of E. pilosa, and six accessions of E.curvula | RAPD markers | Genetic fingerprinting teff conservation and improvement | Bai et al. (2000) |
Linkage map of teff | 116 RILs from an inter-specific cross between tef cultivar Kaye murri and E. pilosa | RFLP markers | Characterization of the recombination landscape of teff and support for further genetic and genomic studies in teff improvement | Zhang et al. (2001) |
Genetic diversity in teff | 92 selected teff genotypes belonging to eight origin groups | ISSR markers | Genetic fingerprinting, teff conservation and breeding | Assefa et al. (2003) |
QTL mapping of agronomic traits | 124 teff F7 RILs | AFLP, ISSR, rice EST-SSR markers and tef specific EST-SSR markers | Useful information to enhance yield and yield related traits and lodging resistance | Chanyalew et al. (2005) |
A genetic linkage map for teff and QTL mapping of agronomic traits | 94 teff F9 RIL from an inter-specific cross between tef cultivar Kaye murri and E. pilosa | AFLPs, EST-SSRs, ISSRs, IFLPs and SNP markers | Useful information in marker assisted selection breeding to improve agronomic traits | Yu et al. (2006) Yu et al. (2007) Degu and Fujimura (2010) |
Production and identification of semi-dwarf mutants | An EMS mutagenized population of 21,210 teff plants | High-throughput discovery of mutations using next generation sequencing of dwarfing candidate genes | Useful information to improve lodging resistance in teff | Zhu et al. (2012) |
Genetic diversity in teff germplasm | 326 cultivated tef accessions, 13 wild relatives, and four commercial tef varieties | SSR markers | Genetic fingerprinting for teff conservation and hybridization program | Zeid et al. (2012) |
Identify mutations for genes responsible for agronomic and lodging tolerance traits | Teff cultivar Dukem (DZ-01-974) and teff cultivar Tsedey (DZ-Cr-37) | TILLING mutagenesis followed by high throughput mutation detection | Enhancement of lodging tolerance and agronomic traits in teff breeding | Korinna et al. (2013) |
Transformation of tef by Agrobacterium with GA inactivating gene | Teff cultivar DZ-01-196 | In vitro plant regeneration and detection of transgene insertion and expression | Genetic transformation in teff to induce dwarfism | Gebre et al. (2013) |
Genome and transcriptome sequencing of teff | Teff cultivar Tseday | Genome and transcriptome sequencing | First genome sequence of teff | Cannarozzi et al. (2014) |
Genetic relationship of teff genotypes | 60 diverse teff genotypes | SSR markers | Genetic fingerprinting, teff conservation and breeding | Abraha et al. (2016) |
Characterization of repetitive elements in the teff genome | Teff cultivar Enatite | Genome sequencing | Origin and evolution of teff transposable elements | Gebre et al. (2016) |
Genetic diversity of teff and wild relatives | Landraces, improved varieties, and wild relatives | SSR markers | Genetic fingerprinting, teff conservation and breeding | Fikre et al. (2018) |
Genetic relationship between teff and its wild Eragrostis progenitors | Landraces, improved varieties, mutant lines, and Eragrostis spp. | SNP markers | Genetic fingerprinting, teff conservation and breeding | Girma et al. (2018) |
Identification of miRNAs linked with the drought response of teff | Teff cultivar Tseday (drought tolerant) and teff cultivar Alba (drought susceptible) | Genomic sequencing | Useful information for further genetic and genomic studies in teff breeding | (Martinelli et al. 2018) |
Genome sequencing of Eragrostis curvula | E. curvula cv. Victoria | Genomic sequencing | Insights into Poaceae evolution | Carballo et al. (2019) |
Genome sequencing of teff | Teff cultivar Dabbi (PI 524438) | Genomic sequencing | A high quality genome sequence of teff | VanBuren et al. (2020) |
Genome wide association study for adaptation, agronomic traits, and farmer preferences | A collection of teff landraces representative of the EBI ex situ collection | SNP markers | The first GWAS in teff agronomic performance in relation to climate adaptation and farmers’ preferences | Woldeyohannes et al. (2021) |