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The molecular cytogenetics of Vigna unguiculata (L.) Walp: the physical organization and characterization of 18s-5.8s-25s rRNA genes, 5s rRNA genes, telomere-like sequences, and a family of…
- I. Galasso, T. Schmidt, D. Pignone, J. S. Heslop-Harrison
- Biology, MedicineTheoretical and Applied Genetics
- 1 November 1995
Degenerate telomeric repeats gave hybridization signals at the telomeres of most chromosomes and no intercalary sites were detected at metaphase; the sequences appear to have no preferential distribution in interphase nuclei.
Solanum sect. Lycopersicon
An overview of the role that wild tomato species have played in the development of cytogenetic stocks, in classical and molecular genetic studies as well as in crop improvement through traditional and advanced tools, and their evolutionary relationships at the species level of all these groups are provided.
Genetic diversity of some surviving on-farm Italian common bean (Phaseolus vulgaris L.) landraces
- L. Lioi, A. Piergiovanni, D. Pignone, S. Puglisi, M. Santantonio, G. Sonnante
- 1 December 2005
Estimation of the level of variation among and within local populations belonging to seven Italian common bean landraces, by analysing the polymorphism of seed storage proteins, simple sequence repeat (SSR) and amplified fragment length polymorphism (AFLP) molecular markers, showed that all populations clustered into two groups corresponding to the Andean and the Mesoamerican gene pools.
From the cradle of agriculture a handful of lentils: History of domestication
A consensus map is needed to fill the gap in lentil breeding and endow with deeper information on the genetics of lentil domestication, giving new insight into the origins of this crop, which present fragmented knowledge is unable.
Isozyme and RAPD Analysis of the Genetic Diversity Within and Between Vigna luteola and V. marina
Nei's genetic distances based on allozyme frequencies were also very low and the accessions ofV.
The Domestication of Artichoke and Cardoon: From Roman Times to the Genomic Age
Historical, linguistic and artistic records are consistent with genetic and biosystematic data and indicate that the domestication of artichoke and cardoon diverged at different times and in different places.
Common Bean (Phaseolus vulgaris L.) Landraces from Abruzzo and Lazio Regions (Central Italy)
- A. Piergiovanni, G. Taranto, F. Losavio, D. Pignone
- BiologyGenetic Resources and Crop Evolution
- 1 March 2006
A considerable resemblance exists between the common bean landraces from Abruzzo and Lazio, as proved by the low rankings on the tree among the populations, and the observed similarity is discussed on the basis of historical relationships between the two sides of the Apennine ridge.
Chemical composition and fatty acid content of white food sorghums grown in different environments
The present results demonstrate that food-grade Sorghum varieties are potentially able to be grown in Mediterranean countries in addition to regions where sorghum has been traditionally produced, i.e. either in arid tropical and sub-tropical regions of Africa and Asia or in dry regions of America.
Chromatin organisation and computer aided karyotyping of Triticum durum Desf. cv. Timilia
- G. Venora, S. Blangiforti, M. R. Castiglione, D. Pignone, F. Losavio, R. Cremonini
- 1 January 2002
Microdensitometric evaluation of nuclear absorption at different thresholds of optical density indicates the organization of chromatin in the interphase nuclei in durum wheat varieties as Capeiti and Simeto.
Genomic organization and phylogenetic relationships in the genus Dasypyrum analysed by Southern and in situ hybridization of total genomic and cloned DNA probes
- I. Galasso, A. Blanco, A. Katsiotis, D. Pignone, J. S. Heslop-Harrison
- Biology, MedicineChromosoma
- 1 June 1997
Using total genomic DNA from the two species as probes for in situ hybridization to chromosomes, it is found that the pericentromeric regions of the chromosome arms of both species are similar, while distal regions show substantial differences, supporting an autotetraploid origin for D. villosum.