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Álvarez, E.Mejía De Los Ríos, JFLoke, John BernardLlano Rodríguez, Germán AlbertoHernández, L.[Detection of a phytoplasma associated with frogskin disease in cassava (Manihot esculenta Crantz) in Colombia]Detection of a phytoplasma associated with frogskin disease in cassava (Manihot esculenta Crantz) in Colombia
González Torres, Rosa InésToro Chica, OrlandoDuque E., Myriam CristinaAraya Villalobos, RodolfoDebouck, Daniel G.[Gene flow events among bean species of section Phaseoli in Colombia and Costa Rica using microsatellites markers]Gene flow events among bean species of section Phaseoli in Colombia and Costa Rica using microsatellites markers

Congruity and recurrent backcross interspecific hybrids between common bean (Phaseolus vulgaris L.) and tepary bean (P. acutifolius A. Gray) were compared for the amount of introgression occurring between genomes by amplified fragment length polymorphism (AFLP) markers. A total of 60 genotypes we...


Muñoz Flórez, Ligia CarmenzaBlair, Matthew W.Duque E., Myriam CristinaTohme, Joseph M.Roca, William M.[Introgression in common bean x tepary bean interspecific congruity-backcross line as measured by AFLP markers]Introgression in common bean x tepary bean interspecific congruity-backcross line as measured by AFLP markers

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

Se estableció una colección de 45 aislamientos de Sphaerotheca pannosa var. rosae a partir de plantas de rosa afectadas con mildeo polvoso, enfermedad causada por este patógeno. Para efectos de este estudio, se hizo una evaluación molecular previa mediante RAPD a todos los aislamientos y se selec...


Álvarez, E.Claroz, José LuisLoke, John BernardEcheverri, C.[Caracterización genética y patogénica en Colombia de Sphaerotheca pannosa var. rosae, agente causal del mildeo polvoso en la rosa]Caracterización genética y patogénica en Colombia de Sphaerotheca pannosa var. rosae, agente causal del mildeo polvoso en la rosa

Se estableció en Ecuador y Colombia la distribución de las especies de moscas blancas más importantes que están afectando cultivos semestrales. Se identificaron, mediante RAPD con el cebador OPA-04, la mosca blanca de los invernaderos Trialeudores vaporariorum (Westwood) y los biotipos A y B de B...


Quintero, C.Rendon, FGarcía González, J.Cardona Mejía, CésarLópez Avila, A.Hernández, M.P.[Especies y biotipos de moscas blancas (Homoptera: Aleyrodidae) en cultivos semestrales de Colombia y Ecuador = Species and biotypes of whiteflies (Homoptera: Aleyrodidae) affecting annual crops in Colombia and Ecuador]Especies y biotipos de moscas blancas (Homoptera: Aleyrodidae) en cultivos semestrales de Colombia y Ecuador = Species and biotypes of whiteflies (Homoptera: Aleyrodidae) affecting annual crops in Colombia and Ecuador

Trypanosomosis remains one of the biggest impediments to the Development of the livestock industry in sub-Saharan Africa while it is likely that a vaccine for this disease could be found in the future, none is presently available. Mean-while different strategies are being followed to control this...


Majiwa, P.A.O.Konde, V.Souza, M. dePeregrine, A.S.Maina, M.[Molecular approaches to the identification of DNA markers for drug resistance in Trypanosoma congolense]Molecular approaches to the identification of DNA markers for drug resistance in Trypanosoma congolense
Hanotte, Olivier H.Verjee, Y.Ochieng, O.Teale, A.J.Rege, J.E.O.[Usefulness of cattle microsatellite markers for amplification of polymorphic loci in Asian bovidae]Usefulness of cattle microsatellite markers for amplification of polymorphic loci in Asian bovidae

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

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