Resultados de búsqueda - Genes Africa.

Oryza glaberrima Steud. por Ndjiondjop M.N., Wambugu P., Sangare J.R., Dro T., Kpeki B., Gnikoua K.

“…Despite its scarcity in farmer's field due to its low yield potential, high shattering and lodging susceptibility, O. glaberrima is of great value not only to Africa but also globally. Perhaps its greatest contribution to regional and global food security is as a source of genes, as it possesses resistance/tolerance to various biotic and abiotic stresses. …”
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Witchweed [Striga hermonthica (Del.) Benth] control using imazapyr seed coating in maize hybrids in the Nigerian savannah por Chikoye, David, Lum, A.F., Menkir, A.

“…Benth] is a major parasitic weed of most cereal crops in Africa, including maize. Seed treatment with low doses of acetolactate synthase–inhibiting herbicides, such as imazapyr, was introduced in the 1990s to control witchweed. …”
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Auxin signaling and vascular cambium formation enables storage metabolism in cassava tuberous roots por Rüscher, D., García, J.M.C., Carluccio, A.V., Klemens, P.A.W., Gisel, A., Stavolone, L., Neuhaus, H.E., Ludewig, F., Sonnewald, U., Zierer, W.

“…Cassava storage roots are among the most important root crops worldwide and represent one of the most consumed staple foods in Sub-Saharan Africa. The vegetatively propagated tropical shrub can form many starchy tuberous roots from its stem. …”
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Detection of species substitution in the meat value chain by high-resolution melting analysis of mitochondrial PCR products por Njaramba, Jane K., Wambua, Lillian, Mukiama, T., Amugune, N.O., Villinger, J.

“…However, information about similar efforts in sub-Saharan Africa is sparse. We used PCR coupled with high-resolution melting (PCR-HRM) analysis targeting three mitochondrial genes—cytochrome oxidase 1 (CO1), cytochrome b (cyt b), and 16S rRNA—to detect species substitution in meat sold to consumers in Nairobi, Kenya. …”
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Natural adaptation and human selection of northeast African sheep genomes por Ahbara, A.M., Musa, Hassan H., Robert, C., Abeba, A., Al-Jumaili, A.S., Kebede, Adebabay, Latairish, S., Agoub, M.O., Clark, E., Hanotte, Olivier H., Mwacharo, Joram M.

“…Comparative genomic analysis identified targets of selection that spanned conserved haplotype structures overlapping clusters of genes and gene families. These were related to hypoxia responses, ear morphology, caudal vertebrae and tail skeleton length, and tail fat-depot structures. …”
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The pattern of genetic variability in a core collection of 2,021 cowpea accessions por Fiscus, C.J., Herniter, I. A., Tchamba, M., Paliwal, R., Muñoz-Amatriaín, M., Roberts, P.A., Abberton, M.T., Alaba, O., Close, T.J., Oyatomi, O., Koenig, D.

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Geographic distribution of stem rust resistance in wheat landraces por Bonman, J. Michael, Bockelman, Harold E., Jin, Yue, Hijmans, Robert J., Gironella, Ann Inez N.

“…:Pers f. sp. tritici Eriks. and Henn., is of renewed concern due to the emergence of a new virulent race in East Africa. Landrace accessions of common wheat (Triticum aestivum L. subsp. aestivum) and durum wheat (T. turgidum L. subsp. durum) from the National Small Grains Collection (NSGC) could be sources of new stem rust resistance genes. …”
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A chromosomal level genome assembly of Nguni sheep, Ovis aries por Nesengani, L.T., Tshilate, T., Mdyogolo, S., Smith, R., Masebe, T., Raphulu, T., Moila, A., Sharaf, A., Muzemil, S., Houaga, I., Muigai, A., Djikeng, Appolinaire, Kuja, J., Katee, Sally, Osuji, J.O., Mungloo-Dilmohamud, Z., Botes, M., Mbizeni, S., Jarvis, E., Ebenezer, T.E., Ntanganedzeni, M.

“…Nguni sheep (<i>Ovis aries</i>) are indigenous to the Southern Africa region and common within the smallholder and poor resources farming systems. …”
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Genome sequence of Theileria parva, a bovine pathogen that transforms lymphocytes por Gardner, M.J., Bishop, Richard P., Shah, Tushaar, Villiers, Etienne P. de, Carlton, J.M., Hall, N., Ren, Q., Paulsen, I.T., Pain, A., Berriman, M., Wilson, R.J.M., Sato, S., Ralph, S.A., Mann, D.J., Xiong, Z., Shallom, S.J., Weidman, J., Jiang, L., Lynn,, J., Weaver, B., Shoaibi, A., Domingo, A.R., Wasawo, D., Crabtree, J., Wortman, Jennifer R., Haas, B., Angiuoli, S.V., Creasy, T.H., Lu, C., Suh, B., Silva, Joana C., Utterback, T.R., Feldblyum, T.V., Pertea, M., Allen, J., Nierman, W.C., Taracha, E.L.N., Salzberg, S.L., White, O.R., Fitzhugh, H.A., Morzaria, S.P., Venter, J. Craig, Fraser, C.M., Nene, Vishvanath M.

“…We report the genome sequence of Theileria parva, an apicomplexan pathogen causing economic losses to smallholder farmers in Africa. The parasite chromosomes exhibit limited conservation of gene synteny with Plasmodium falciparum, and its plastid-like genome represents the first example where all apicoplast genes are encoded on one DNA strand. …”
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Marker-based estimates reveal significant non-additive effects in clonally propagated cassava (Manihot esculenta): implications for the prediction of total genetic value and the se... por Wolfe, M.D., Kulakow, Peter A., Rabbi, Ismail Y., Jannink, Jean-Luc

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Morphological and molecular characterisation of Scutellonema species from yam (Dioscorea spp.) and a key to the species of the genus por Kolombia, Y.A., Karssen, G., Viaene, N., Kumar, P. Lava, Joos, L., Coyne, Danny L., Bert, W.

“…The yam nematode, Scutellonema bradys, is a major threat to yam (Dioscorea spp.) production across yam-growing regions. In West Africa, this species cohabits with many morphologically similar congeners and, consequently, its accurate diagnosis is essential for control and for monitoring its movement. …”
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Improving genomic prediction in cassava field experiments using spatial analysis por Elias, A.A., Rabbi, Ismail Y., Kulakow, Peter A., Jannink, Jean-Luc

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Selection of early maturing maize inbred lines for hybrid production using multiple traits under Strigainfested and Strigafree environments por Badu-Apraku, Baffour, Akinwale, R.O., Fakorede, M.A.B.

“…Benth.is a majorbiotic constraint to increased maize (Zea mays L.) productionand productivity in West and Central Africa (WCA).Twenty-three early maize inbreds were evaluated underartificial Striga infestation and Striga-free conditions at 2locations for 2 years in Nigeria to identify the most appropriatetraits for selecting Striga resistant inbreds, and identifycandidate parents for hybrid production and introgressionof resistant genes into maize populations. …”
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Analysis of genetic difference within and between of wild relatives of sorghum in Sudan, using SSRs por Gamar, Y.A., Bashir, E.M., Kimani, W., Alaraidh, I.A., Shaikhaldein, H.O., Kyallo, Martina M., Nzuki, I., Skilton, Robert A.

“…Moench) originated in East Africa specifically Sudan and Ethiopia where wild relatives of sorghum are widely distributed. …”
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Silicon disease resistance, and yield of rice genotypes under upland cultural conditions por Winslow, M.

“…Silicon deficiency limits rice (Oryza sativa L.) yield on highly weathered upland soils in West Africa and can increase susceptibility to some diseases. …”
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Beans (Phaseolus spp.)- model food legumes por Broughton, W.J., Hernández, G., Blair, Matthew W., Beebe, Stephen E., Gepts, Paul L., Vanderleyden, J

“…Diets of subsistence level farmers in Africa and Latin America often contain sufficient carbohydrates (through cassava, corn/maize, rice, wheat, etc.), but are poor in proteins. …”
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Whole-genome resequencing of Red Junglefowl and indigenous village chicken reveal new insights on the genome dynamics of the species por Lawal, R.A., Raed, M.A., Riyadh, S.A., Pradeepa, S., Mwacharo, Joram M., Hanotte, Olivier H.

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Biofortification of common bean for higher iron concentration por Beebe, Stephen E.

“…Common bean (Phaseolus vulgaris L.) is a staple food of smallholder farmers and poor urban consumers in Latin America and eastern-southern Africa among whom iron deficiency is frequent. Bean was domesticated in Mexico and the southern Andes, creating two distinct gene pools. …”
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Draft genome sequence of Solanum aethiopicum provides insights into disease resistance, drought tolerance, and the evolution of the genome por Bo Song, Yue Song, Yuan Fu, Kizito, Elizabeth Balyejusa, Kamenya, Sandra Ndagire, Kabod, Pamela Nahamya, Huan Liu, Muthemba, Samuel, Kariba, Robert, Njuguna, Joyce N., Maina, Solomon, Stomeo, Francesca, Djikeng, Appolinaire, Hendre, Prasad S, Xiaoli Chen, Wenbin Chen, Xiuli Li, Wenjing Sun, Sibo Wang, Shifeng Cheng, Muchugi, Alice, Jamnadass, Ramni, Shapiro, Howard-Yana, Deynze, Allen van, Huanming Yang, Jian Wang, Xun Xu, Odeny, Damaris Achieng, Xin Liu

“…It is thought to have been domesticated in Africa from its wild relative, Solanum anguivi. S. aethiopicum has been routinely used as a source of disease resistance genes for several Solanaceae crops, including Solanum melongena. …”
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Marker-assisted selection complements phenotypic screening at seedling stage to identify cassava mosaic disease-resistant genotypes in African cassava populations por Olasanmi, Bunmi, Kyallo, Martina M., Yao, Nasser

“…Cassava mosaic disease (CMD) is a serious threat to cassava production in sub-Saharan Africa. The use of genomic-assisted selection at the seedling trial stage would help to reduce the time for release, breeding cost, and resources used, hence increase selection efficiency in cassava breeding programs. …”
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