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Assefa K, Cannarozzi G, Girma D, et al. Genetic diversity in tef [Eragrostis tef (Zucc.) Trotter]. Front Plant Sci. 2015;6:177doi: 10.3389/fpls.2015.00177.
Assefa, K., Cannarozzi, G., Girma, D., Kamies, R., Chanyalew, S., Plaza-Wüthrich, S., Blösch, R., Rindisbacher, A., Rafudeen, S., & Tadele, Z. (2015). Genetic diversity in tef [Eragrostis tef (Zucc.) Trotter]. Frontiers in plant science, 6177. https://doi.org/10.3389/fpls.2015.00177
Assefa, Kebebew, et al. "Genetic diversity in tef [Eragrostis tef (Zucc.) Trotter]." Frontiers in plant science vol. 6 (2015): 177. doi: https://doi.org/10.3389/fpls.2015.00177
Assefa K, Cannarozzi G, Girma D, Kamies R, Chanyalew S, Plaza-Wüthrich S, Blösch R, Rindisbacher A, Rafudeen S, Tadele Z. Genetic diversity in tef [Eragrostis tef (Zucc.) Trotter]. Front Plant Sci. 2015 Mar 26;6:177. doi: 10.3389/fpls.2015.00177. eCollection 2015. PMID: 25859251; PMCID: PMC4374454.
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Front Plant Sci. 2015 Mar 26;6:177. doi: 10.3389/fpls.2015.00177. eCollection 2015.

Genetic diversity in tef [Eragrostis tef (Zucc.) Trotter].

Frontiers in plant science

Kebebew Assefa, Gina Cannarozzi, Dejene Girma, Rizqah Kamies, Solomon Chanyalew, Sonia Plaza-Wüthrich, Regula Blösch, Abiel Rindisbacher, Suhail Rafudeen, Zerihun Tadele

Affiliations

  1. National Tef Research Program, Debre Zeit Agricultural Research Center, Ethiopian Institute of Agricultural Research Debre Zeit, Ethiopia.
  2. Crop Breeding and Genomics, Institute of Plant Sciences, Department of Biology, University of Bern Bern, Switzerland.
  3. Crop Breeding and Genomics, Institute of Plant Sciences, Department of Biology, University of Bern Bern, Switzerland ; National Agricultural Biotechnology Laboratory, Holetta Agricultural Research Center, Ethiopian Institute of Agricultural Research Holetta, Ethiopia.
  4. Plant Stress Laboratory, Department of Molecular and Cell Biology, University of Cape Town Cape Town, South Africa.

PMID: 25859251 PMCID: PMC4374454 DOI: 10.3389/fpls.2015.00177

Abstract

Tef [Eragrostis tef (Zucc.) Trotter] is a cereal crop resilient to adverse climatic and soil conditions, and possessing desirable storage properties. Although tef provides high quality food and grows under marginal conditions unsuitable for other cereals, it is considered to be an orphan crop because it has benefited little from genetic improvement. Hence, unlike other cereals such as maize and wheat, the productivity of tef is extremely low. In spite of the low productivity, tef is widely cultivated by over six million small-scale farmers in Ethiopia where it is annually grown on more than three million hectares of land, accounting for over 30% of the total cereal acreage. Tef, a tetraploid with 40 chromosomes (2n = 4x = 40), belongs to the family Poaceae and, together with finger millet (Eleusine coracana Gaerth.), to the subfamily Chloridoideae. It was originated and domesticated in Ethiopia. There are about 350 Eragrostis species of which E. tef is the only species cultivated for human consumption. At the present time, the gene bank in Ethiopia holds over five thousand tef accessions collected from geographical regions diverse in terms of climate and elevation. These germplasm accessions appear to have huge variability with regard to key agronomic and nutritional traits. In order to properly utilize the variability in developing new tef cultivars, various techniques have been implemented to catalog the extent and unravel the patterns of genetic diversity. In this review, we show some recent initiatives investigating the diversity of tef using genomics, transcriptomics and proteomics and discuss the prospect of these efforts in providing molecular resources that can aid modern tef breeding.

Keywords: Eragrostis tef; diversity; genomics; proteomics; tef; transcriptomics; variability

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