Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2067/1644
Titolo: Molecular linkage map for an intraspecific recombinant inbred population of durum wheat (Triticum turgidum L. var. durum).
Autori: Nachit, Miloudi M.
Elouafi, Ismahane
Pagnotta, Mario Augusto
El Saleh, A.
Iacono, E.
Labhilili, Mustapha
Asbati, A.
Azrak, M.
Hazzam, Hani
Benscher, David
Khairallah, Mirelle M.
Ribaut, Jean Marcel
Tanzarella, Oronzo A.
Porceddu, Enrico
Sorrells, Mark Earl
Parole chiave: Durum;RFLP;SSR;AFLP;Seed storage proteins;Genetic linkage mapping
Data pubblicazione: 2001
Editore: Springer-Verlag
Fonte: Nachit, M.M. et al. 2001. Molecular linkage map for an intraspecific recombinant inbred population of durum wheat (Triticum turgidum L. var. durum). "Theor Appl Genet" 102: 177-186
Durum wheat (Triticum turgidum L. var. durum) is an economically and nutritionally important cereal crop in the Mediterranean region. To further our understanding of durum genome organization we constructed a durum linkage map using restriction fragment length polymorphisms (RFLPs), simple sequence repeats (SSRs) known as Gatersleben wheat microsatellites (GWMs), amplified fragment length polymorphisms (AFLPs), and seed storage proteins (SSPs: gliadins and glutenins). A population of 110 F9 recombinant inbred lines (RILs) was derived from an intraspecific cross between two durum cultivars, Jennah Khetifa and Cham 1. The two parents exhibit contrasting traits for resistance to biotic and abiotic stresses and for grain quality. In total, 306 markers have been placed on the linkage map – 138 RFLPs, 26 SSRs, 134 AFLPs, five SSPs, and three known genes (one pyruvate decarboxylase and two lipoxygenases). The map is 3598 cM long, with an average distance between markers of 11.8 cM, and 12.1% of the markers deviated significantly from the expected Mendelian ratio 1:1. The molecular markers were evenly distributed between the A and B genomes. The chromosome with the most markers is 1B (41 markers), followed by 3B and 7B, with 25 markers each. The chromosomes with the fewest markers are 2A (11 markers), 5A (12 markers), and 4B (15 markers). In general, there is a good agreement between the map obtained and the Triticeae linkage consensus maps. This intraspecific map provides a useful tool for marker-assisted selection and map-based breeding for resistance to biotic and abiotic stresses and for improvement of grain quality.
L'articolo è disponibile sul sito dell'editore:
URI: http://hdl.handle.net/2067/1644
ISSN: 0040-5752
È visualizzato nelle collezioni:DABAC - Archivio della produzione scientifica

File in questo documento:
File Descrizione DimensioniFormato
TAGNachit2001 1.pdf15.82 kBAdobe PDFVisualizza/apri
Visualizza tutti i metadati del documento

Page view(s)

Last Week
Last month
controllato il 22-mag-2024


controllato il 22-mag-2024

Google ScholarTM


Tutti i documenti nella community "Unitus Open Access" sono pubblicati ad accesso aperto.
Tutti i documenti nella community Prodotti della Ricerca" sono ad accesso riservato salvo diversa indicazione per alcuni documenti specifici