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Plant disease resistance genes (R genes) show significant similarity amongst themselves in terms of both their DNA sequences and structural motifs present in their protein products. Oligonucleotide primers designed from NBS (Nucleotide Binding Site) domains encoded by several R-genes have been us...


López, C.E.Zuluaga, APCooke, R.D.Delseny, MTohme, Joseph M.Verdier, Valérie[Isolation of resistance gene candidates (RGCs) and characterization of an RGC cluster in cassava]Isolation of resistance gene candidates (RGCs) and characterization of an RGC cluster in cassava

This paper summarizes results from a decade of collaborative research using advanced backcross (AB) populations to a) identify quantitative trait loci (QTL) associated with improved performance in rice and to b) clone genes underlying key QTLs of interest. We demonstrate that AB-QTL analysis is c...


McCouch, Susan R.Sweeney, MLi, JJiang, H.Thomson, M.Septiningsih, EMEdwards, J.Moncada, PXiao, J.Garris, AJTai, TMartínez Racines, César PompilioTohme, Joseph M.Sugiono, MMcClung, AYuan, L[Through the genetic bottleneck : O. rufipogon as a source of trait-enhancing alleles for O. sativa]Through the genetic bottleneck : O. rufipogon as a source of trait-enhancing alleles for O. sativa

A preliminary linkage map of cassava (Manihot esculenta Crantz) to increase the efficiency of introgression of specific chromosomes or chromosome fragments from exotic cassava germplasm into various genetic backgrounds and localization of genes of interest in cassava improvement schemes has been ...


Fregene, Martin A.Angel, F.Gómez, R.Rodríguez, F.Maya, M.M.Bonierbale, Merideth W.Tohme, Joseph M.Iglesias, C.A.[A linkage map of cassava (Manihot esculenta Crantz) based on RFLP and RAPD markers]A linkage map of cassava (Manihot esculenta Crantz) based on RFLP and RAPD markers

Random amplified polymorphic DNA (RAPD) analysis was performed on three F1 populations obtained from intraspecific controlled crosses of cassava. Segregation of the RAPD fragments was analyzed to determine if these can serve as genetic markers in cassava for subsequent use in linkage analysis. Se...


Gómez, R.Angel, F.Bonierbale, Merideth W.Rodríguez, F.Tohme, Joseph M.Roca, William M.[Selecting heterozygous parents and single-dose markers for genetic mapping in cassava]Selecting heterozygous parents and single-dose markers for genetic mapping in cassava

The construction of a detailed genetic map of cassava (Manihot esculenta Crantz) will be useful to tag agronomically important trais as well as to isolate and to clone cassava genes in the future. This map will also contribute to the understanding of cassava genomic structure and evolution. As a ...


Angel, F.Giraldo, F.Gómez, R.Iglesias, C.A.Tohme, Joseph M.Roca, William M.[Use of RFLPs and RAPDs in cassava genomic studies]Use of RFLPs and RAPDs in cassava genomic studies
Gallego Sánchez, Gerardo J.Arango Vélez, AdrianaBuitrago, María EugeniaRosero Ortegón, Lady CarolinaWenzl, PeterIshitani, ManabuRao, Idupulapati M.Tohme, Joseph M.[Progress in gene identification for high level of aluminum resistance in signalgrass (Brachiaria decumbens)]Progress in gene identification for high level of aluminum resistance in signalgrass (Brachiaria decumbens)

González, Delkin OrlandoPalacios, NGallego Sánchez, Gerardo J.Tohme, Joseph M.[Protocolos para marcadores moleculares]Protocolos para marcadores moleculares

Fregene, Martin A.Ceballos, H.Roca, William M.Okogbenin, EmmanuelAkano, A.Mba, CChavarriaga Aguirre, PaulTohme, Joseph M.Ospina Patiño, Bernardo[Cassava biotechnology research at CIAT/Colombia]Cassava biotechnology research at CIAT/Colombia
Beebe, Stephen E.Pedraza García, FabioRojas, MarcelaGutiérrez A., Janeth PatriciaTohme, Joseph M.[A genetic map of common bean combining RFLP, RAPD, SCAR and AFLP markers]A genetic map of common bean combining RFLP, RAPD, SCAR and AFLP markers

Bellotti, Anthony C.Bohórquez Cháux, AdrianaVargas Daza, JaimeArias, V.B.Vargas Bonilla, H.L.Trujillo, GMba, CDuque E., Myriam CristinaTohme, Joseph M.[Recent advances in host plant resistance to whiteflies (Aleurotrachelus socialis Bondar (Homoptera: Aleyrodidae) in cassava (Manihot esculenta Crantz)]Recent advances in host plant resistance to whiteflies (Aleurotrachelus socialis Bondar (Homoptera: Aleyrodidae) in cassava (Manihot esculenta Crantz)

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