caa a22 4500 475795342 CHVBK 20180406123722.0 cr unu---uuuuu 170329e20000201xx s 000 0 eng 10.1007/s001229900061 doi (NATIONALLICENCE)springer-10.1007/s001229900061 A first interspecific Oryza sativa×Oryza glaberrima microsatellite-based genetic linkage map [Elektronische Daten] [M. Lorieux, M.-N. Ndjiondjop, A. Ghesquière] Abstract : Oryza glaberrima is an endemic African cultivated rice species. To provide a tool for evaluation and utilisation of the potential of O. glaberrima in rice breeding, we developed an interspecific O. glaberrima×Oryza sativa genetic linkage map. It was based on PCR markers, essentially microsatellites and STSs. Segregation of markers was examined in a backcross (O. sativa/O. glaberrima//O. sativa) population. Several traits were measured on the BC1 plants, and major genes and QTLs were mapped for these traits. Several of these genes correspond well to previously identified loci. The overall map length was comparable to those observed in indica×japonica crosses, indicating that recombination between the two species occurs without limitation. However, three chromosomes show discrepancies with the indica×japonica maps. The colinearity with intraspecific maps was very good, confirming previous cytological observations. A strong segregation-distortion hot spot was observed on chromosome 6 near the waxy gene, indicating the presence of s 10 , a sporo-gametophytic sterility gene previously identified by Sano (1990). The main interests of such a PCR-based map for African rice breeding are discussed, including gene and QTL localisation, marker-assisted selection, and the development of interspecific introgression lines. Springer-Verlag Berlin Heidelberg, 2000 Key words O. glaberrima nationallicence O. sativa nationallicence Rice nationallicence Genetic maps nationallicence Microsatellites nationallicence Sequence-tagged sites nationallicence Interspecific hybridisation nationallicence Gene/QTL mapping nationallicence Segregation distortion nationallicence Lorieux M. IRD (ex-Orstom), GeneTrop Laboratory, BP 5045, 34032 Montpellier cedex, France, FR aut Ndjiondjop M.-N IRD (ex-Orstom), GeneTrop Laboratory, BP 5045, 34032 Montpellier cedex, France, FR aut Ghesquière A. IRD (ex-Orstom), GeneTrop Laboratory, BP 5045, 34032 Montpellier cedex, France, FR aut https://doi.org/10.1007/s001229900061 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s001229900061 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Lorieux M. IRD (ex-Orstom), GeneTrop Laboratory, BP 5045, 34032 Montpellier cedex, France, FR aut NATIONALLICENCE 700 1- Ndjiondjop M.-N IRD (ex-Orstom), GeneTrop Laboratory, BP 5045, 34032 Montpellier cedex, France, FR aut NATIONALLICENCE 700 1- Ghesquière A. IRD (ex-Orstom), GeneTrop Laboratory, BP 5045, 34032 Montpellier cedex, France, FR aut Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer