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A genetic linkage map of cassava has been constructed with 132 RFLPs, 30 RAPDs, 3 microsatellites, and 3 isoenzyme markers segregating from the heterozygous female parent of an intraspecific cross. The F1 cross was made between ‘TMS 30572’ and ‘CM?2177-2’, elite cassava cultivars from Nigeria and...


Fregene, Martin A.Angel, F.Gómez, R.Rodríguez, F.Chavarriaga Aguirre, PaulRoca, William M.Tohme, Joseph M.Bonierbale, Merideth W.[A molecular genetic map of cassava (Manihot esculenta Crantz)]A molecular genetic map of cassava (Manihot esculenta Crantz)

Apomixis, asexual reproduction through seed, enables breeders to identify and faithfully propagate superior heterozygous genotypes by seed without the disadvantages of vegetative propagation or the expense and complexity of hybrid seed production. The availability of new tools such as genotyping ...


Worthington, MargaretHeffelfinger, ChristopherBernal, DianaQuintero, ConstanzaZapata, Yeny PatriciaPérez, Juan GuillermoVega, Jose deMiles, John W.Dellaporta, Stephen L.Tohme, Joseph M.[A parthenogenesis gene candidate and evidence for segmental allopolyploidy in apomictic brachiaria decumbens]A parthenogenesis gene candidate and evidence for segmental allopolyploidy in apomictic brachiaria decumbens
Rojas, MarcelaBeebe, Stephen E.Pedraza García, FabioMuñoz Arboleda, FernandoBeeck, Douglas P.Lynch, Jonathan P.Snapp, Sieglinde S.Tohme, Joseph M.[Mapping of genes for root characters in common bean]Mapping of genes for root characters in common bean
Freyre, R.Johnson, William C.Shirmohamadali, A.Llaca, V.Tsai, Siu MuiPereira, P.A.Skroch, Paul W.Nienhuis, JamesAdam-Blondon, Anne-FrançoiseDron, MichelTohme, Joseph M.Gepts, Paul L.[Correlation among RFLP maps in common bean]Correlation among RFLP maps in common bean

We applied the cDNA-AFLP (amplified fragment length polymorphism) technique to mRNA from the parents of a cassava (Manihot esculenta) genetic mapping population, and obtained more than 500 transcript-derived fragments (TDFs) that were unique in either parent. A subset of 50 TDFs were cloned and s...


Suarez, MCBernal, A.Gutiérrez, J.Tohme, Joseph M.Fregene, Martin A.[Developing expressed sequence tags (ESTs) from polymorphic transcript-derived fragments (TDFs) in cassava (Manihot esculenta Crantz)]Developing expressed sequence tags (ESTs) from polymorphic transcript-derived fragments (TDFs) in cassava (Manihot esculenta Crantz)

A total of 150 microsatellite markers developed for common bean (Phaseolus vulgaris L.) were tested for parental polymorphism and used to determine the positions of 100 genetic loci on an integrated genetic map of the species. The value of these single-copy markers was evident in their ability to...


Blair, Matthew W.Pedraza García, FabioBuendía Castellanos, Hector F.Gaitán Solís, ElianaBeebe, Stephen E.Gepts, Paul L.Tohme, Joseph M.[Development of a genome-wide anchored microsatellite map for common bean (Phaseolus vulgaris L.)]Development of a genome-wide anchored microsatellite map for common bean (Phaseolus vulgaris L.)

International rice export markets are increasing demands for rapid improvements in grain quality characteristics. The African rice Oryza glaberrima is a new potential source of genes that will enhance the eating, cooking, and milling properties of the rice grain. The objective of this research wa...


Aluko, GKMartínez Racines, César PompilioTohme, Joseph M.Castaño Rodríguez, C.Bergman, C.Oard, JH[QTL mapping of grain quality traits from the interespecific cross Oryza sativa x O. glaberrima]QTL mapping of grain quality traits from the interespecific cross Oryza sativa x O. glaberrima

The genome locations of the wound-response genes that were expressedduring the post-harvest physiological deterioration (PPD) of cassava, suchas phenylalanine ammonia lyase, ?-1.3 glucanase, hydroxyprolinerich glycoprotein, catalase, 1-aminocyclopropane 1-carboxylate, cysteineprotease inhibitor, ...


Cortés Bermúdez, D.F.Reilly, KOkogbenin, EmmanuelBeeching, JRIglesias, C.A.Tohme, Joseph M.[Mapping wound-response genes involved in post-harvest physiological deterioration (PPD) of cassava (Manihot esculenta Crantz)]Mapping wound-response genes involved in post-harvest physiological deterioration (PPD) of cassava (Manihot esculenta Crantz)

Three RFLP maps, as well as several RAPD maps have been developed in common bean (Phaseolus vulgaris L.). In order to align these maps, a core linkage map was established in the recombinant inbred population BAT93×Jalo EEP558 (BJ). This map has a total length of 1226?cM and comprises 563 markers,...


Freyre, R.Skroch, PWGeffroy, VAdam-Blondon, Anne-FrançoiseShirmohamadali, AJohnson, William C.Llaca, VNodari, ROPereira, PATsai, Siu MuiTohme, Joseph M.Dron, MichelNienhuis, JamesVallejos, C. EduardoGepts, Paul L.[Towards an integrated linkage map of common bean. 4. Development of a core linkage map and alignment of RFLP maps]Towards an integrated linkage map of common bean. 4. Development of a core linkage map and alignment of RFLP maps

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