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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)

Summary: Xanthomonas axonopodis pv. manihotis (Xam) is the causative agent of cassava bacterial blight (CBB), a worldwide disease that is particularly destructive in South America and Africa. CBB is controlled essentially through the use of resistant varieties. To develop an appropriate disease m...


Restrepo, S.Duque E., Myriam CristinaTohme, Joseph M.Verdier, Valérie[AFLP fingerprinting : An efficient technique for detecting genetic variation of Xanthomonas axonopodis pv. manihotis]AFLP fingerprinting : An efficient technique for detecting genetic variation of Xanthomonas axonopodis pv. manihotis

The Amazon river dolphin, genus Inia, is endemic to the major river basins of northern South America. No previous studies have focused on the genetic structure of this genus. In this work, 96 DNA samples from specimens of this genus were collected in the Orinoco basin (four rivers), the Putumayo ...


Banguera Hinestroza, ECárdenas, H.Ruiz Garcia, MMarmontel, MGaitán Solís, ElianaVazquez, RGarcía Vallejo, F.[Molecular identification of evolutionary significant units in the Amazon river dolphin Inia sp. (Cetacea: Iniidae)]Molecular identification of evolutionary significant units in the Amazon river dolphin Inia sp. (Cetacea: Iniidae)

Crop wild relatives that have experienced multiple and independent domestication events provide an excellent model for understanding adaptation processes in crop populations and a first and relevant aspect to investigate is the geographic origin of landraces. The aim of this research was to estab...


Motta Aldana, JRSerrano Serrano, Martha L.Hernández Torres, JorgeCastillo Villamizar, GenisDebouck, Daniel G.Chacón Sánchez, María I.[Multiple origins of Lima Bean landraces in the Americas: evidence from chloroplast and nuclear DNA polymorphisms]Multiple origins of Lima Bean landraces in the Americas: evidence from chloroplast and nuclear DNA polymorphisms

Strains of Xanthomonas campestris pv. vignicola (Xcv), isolated from cowpea leaves with blight or minute pustules and collected from various geographic areas, were selected on the basis of pathological and physiological features. All strains were analyzed for genotypic markers by two methods: rib...


Verdier, ValérieAssigbétsé, K.Khatri-Chhetri, G.Wydra, K.Ruldoph, KGeiger, JP[Molecular characterization of the incitant of cowpea bacterial blight and pustule, Xanthomonas campestris pv. vignicola]Molecular characterization of the incitant of cowpea bacterial blight and pustule, Xanthomonas campestris pv. vignicola
Hernández Hernández, Eric M.Fernández Medina, Rita DanielaNavarro-Escalante, LucioNuñez, JonathanBenavides Machado, PabloCarareto, Claudia M. A.[Genome-wide analysis of transposable elements in the coffee berry borer Hypothenemus hampei (Coleoptera: Curculionidae): description of novel families]Genome-wide analysis of transposable elements in the coffee berry borer Hypothenemus hampei (Coleoptera: Curculionidae): description of novel families
Briñez, BorisBlair, Matthew W.Kilian, AndrzejMorais Carbonell, Sérgio AugustoChiorato, Alisson FernandoBenchimol Rubiano, Luciana[A whole genome DArT assay to assess germplasm collection diversity in common beans]A whole genome DArT assay to assess germplasm collection diversity in common beans

Cassava brown streak disease (CBSD) is the most important virus disease of cassava and a major food security threat in Africa. Yearly economic losses of up to $100 million USD have been attributed to CBSD. The lack of information on plant-virus interactions has restricted progress in breeding for...


Shirima, R.R.Maeda, D.GKanju, E.Ceasar, G.Tibazarwa, F.I.Legg, J.P.[Absolute quantification of cassava brown streak virus mRNA by real-time qPCR]Absolute quantification of cassava brown streak virus mRNA by real-time qPCR

Chloroplast DNA (cp) and nuclear ribosomal DNA (rDNA) variation was investigated in 45 accessions of cultivated and wild Manihot species. Ten independent mutations, 8 point mutations and 2 length mutations were identified, using eight restriction enzymes and 12 heterologous cpDNA probes from mung...


Fregene, Martin A.Vargas, J.Ikea, J.Angel, F.Thome, J.Asiedu, RobertAkoroda, M.O.Roca, W.[Variability of chloroplast DNA and nuclear ribosomal DNA in cassava (Manihot esculenta Crantz) and its wild relatives]Variability of chloroplast DNA and nuclear ribosomal DNA in cassava (Manihot esculenta Crantz) and its wild relatives

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