Skip to main content Accessibility help
×
Home

The impact of breeding on genetic diversity and erosion in bread wheat

  • Paolo Donini (a1), John R. Law (a1), Robert M. D. Koebner (a2), James C. Reeves (a1) and Robert J. Cooke (a1)...

Abstract

This paper examines the fate of alleles and changes of genetic diversity in old (ca 1930s) versus more modern (ca 1990s) UK bread wheat varieties using 14 mapped DNA microsatellite (simple sequence repeat, SSR) loci and morphological markers. The allelic constitution of varieties belonging to three time periods (early, intermediate, late) was determined. While at certain loci one or more SSR alleles were gained between early and late periods, at others the allelic representation remained constant, although a shift in allelic frequencies could sometimes be detected. No locus showed a clear, net loss in the total number of alleles over the time period. In a further group of loci, there was neither clear gain nor loss, but rather a dynamic flux of alleles. A comparison of the allelic constitution of the UK variety set with a larger genetic pool (non-UK varieties) showed that some loci were rather similar in allelic constitution, while others possessed additional diversity. Certain SSR alleles appeared to be associated with old or modern varieties, possibly indicating associations with chromosome regions under selection pressure. The same exercise was conducted on the basis of 14 of the morphological characteristics recorded in the course of distinctness, uniformity and stability testing of varieties. Overall, this analysis generated a similar picture of changes in diversity to that obtained from the microsatellite data.

Copyright

Corresponding author

*Corresponding author: E-mail: robert.cooke@niab.com

References

Hide All
Allard, RW (1996) Genetic basis of the evolution of adaptedness in plants. Euphytica 92: 111.
Andersen, JR and Lübberstedt, T (2003) Functional markers in plants. Trends in Plant Science 8: 554560.
Bryan, GJ, Collins, AJ, Stephenson, P, Orry, A, Smith, JB and Gale, MD (1997) Isolation and characterisation of microsatellites from hexaploid bread wheat. Theoretical and Applied Genetics 94: 557563.
Christiansen, MJ, Andersen, SB and Ortiz, R (2002) Diversity changes in an intensively bred wheat germplasm during the 20th century. Molecular Breeding 9: 111.
Donini, P, Stephenson, P, Bryan, GJ and Koebner, RMD (1998) The potential of microsatellites for high throughput genetic diversity assessment in wheat and barley. Genetic Resources and Crop Evolution 45: 415421.
Donini, P, Cooke, RJ and Reeves, JC (2000 a) Molecular markers in variety and seed testing. In: Arencibia, AD (ed.) Plant Genetic Engineering: Towards the Third Millennium. Amsterdam: Elsevier Science, pp. 2734.
Donini, P, Law, JR, Koebner, RMD, Reeves, JC and Cooke, RJ (2000 b) Temporal trends in the diversity of UK wheat. Theoretical and Applied Genetics 100: 912917.
Eujayl, I, Sorrells, ME, Baum, M, Wolters, P and Powell, W (2001) Assessment of genotype variation among cultivated durum wheat based on EST-SSRs and genomic SSRs. Euphytica 119: 3943.
Eujayl, I, Sorrells, ME, Baum, M, Wolters, P and Powell, W (2002) Isolation of EST-derived microsatellite markers for genotyping the A and B genomes of wheat. Theoretical and Applied Genetics 104: 399407.
Flintham, JE and Humphray, SJ (1993) Red coat genes and wheat dormancy. Aspects of Applied Biology 36: 135141.
Ford-Lloyd, BV (2001) Genotyping in plant genetic resources. In: Henry, RJ (ed.) Plant Genotyping: The DNA Fingerprinting of Plants. Wallingford: CABI Publishing, pp. 5981.
Frankel, OH (1970) Genetic dangers of the green revolution. World Agriculture 19: 914.
Hawkes, JG (1983) The Diversity of Crop Plants. Cambridge, MA: Harvard University Press.
Huang, XQ, Börner, A, Röder, MS and Ganal, MW (2002) Assessing genetic diversity of wheat ( Triticum aestivum L.) germplasm using microsatellite markers. Theoretical and Applied Genetics 105: 699707.
Humphreys, MO (2003) Utilization of plant genetic resources in breeding for sustainability. Plant Genetic Resources: Characterization & Utilization 1: 1118.
Khlestkina, EK, Röder, MS, Efremova, TT, Börner, A and Shumny, VK (2004) The genetic diversity of old and modern Siberian varieties of common spring wheat as determined by microsatellite markers. Plant Breeding 123: 122127.
Koebner, RMD, Donini, P, Reeves, JC, Cooke, RJ and Law, JR (2003) Temporal flux in the morphological and molecular diversity of UK barley. Theoretical and Applied Genetics 106: 550558.
Law, JR, Donini, P, Koebner, RMD, Reeves, JC and Cooke, RJ (1997) Statistical methods for assessing and interpreting genetic diversity. In: Krajewski, P and Kaczmarek, Z (eds) Advances in Biometrical Genetics, Proceedings of the 10th Meeting, Eucarpia Section, Biometrics in Plant Breeding. Poznan, Poland: 1GR, pp. 191196.
Law, JR, Koebner, RMD, Donini, P, Reeves, JC and Cooke, RJ (1998) DNA profiling and plant variety registration. 3: The statistical assessment of distinctness in wheat using amplified fragment length polymorphisms. Euphytica 102: 335342.
Leigh, F, Law, J, Lea, V and Donini, P (2003) Assessment of EST- and genomic microsatellite markers for variety discrimination and genetic diversity studies in wheat. Euphytica 133: 33593366.
Maccaferri, M, Sanguineti, MC, Donini, P and Tuberosa, R (2003) Microsatellite analysis reveals a progressive widening of the genetic basis in the elite durum wheat germplasm. Theoretical and Applied Genetics 107: 783797.
Reeves, JC, Law, JR, Donini, P, Koebner, RMD and Cooke, RJ (1999) Changes over time in the genetic diversity of UK cereal crops. In: Serwinski, J and Faberova, I (eds) Proceedings of the Technical Meeting on the Methodology of the FAO World Information and Early Warning System on Plant Genetic Resources,Prague 21–23. June 1999Rome:FAO pp. 8489.
Rosegrant, MW, Sambilla, MA, Gerpacio, RV and Ringler, C (1997) Global food markets and U.S. exports in the 21st century. In: Illinois World Food and Sustainable Agriculture Program Conference, Urbana-Champaign, IL, May.
Russell, JR, Ellis, RP, Thomas, WTB, Waugh, R, Provan, J, Booth, A, Fuller, J, Lawrence, P, Young, G and Powell, W (2000) A retrospective analysis of spring barley germplasm development from “foundation genotypes” to currently successful cultivars. Molecular Breeding 6: 553568.
Sears, ER (1972) Chromosome engineering in wheat. Stadler Genetics Symposium 4: 2338.

Keywords

Related content

Powered by UNSILO

The impact of breeding on genetic diversity and erosion in bread wheat

  • Paolo Donini (a1), John R. Law (a1), Robert M. D. Koebner (a2), James C. Reeves (a1) and Robert J. Cooke (a1)...

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed.