Resultados de búsqueda - Genes Africa.

Horizontal resistance: core to a research breakthrough to combat Striga in Africa por Kim, S.K.

“…The parasltie flowering plants, Striga species, represent the largest biological constraint to cereal and legume crop production in sub-Saharan Africa. Eighty-three percent of Striga worldwide (35 species) occurs in Africa. …”
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Screening African Rice (Oryza glaberrima) for Tolerance to Abiotic Stresses: II. Lowland Drought por Shaibu, A.A., Uguru, M.I., Sow, M., Maji, A.T., Ndjiondjop, M.N., Venuprasad, R.

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Genomic analysis of selected maize landraces from Sahel and Coastal west Africa reveals their variability and potential for genetic enhancement por Nelimor, C., Badu-Apraku, Baffour, Garcia-Oliveira, A.L., Tetteh, A., Agre, P., N’guetta, A.S.P., Gedil, Melaku A

“…Analysis of molecular variance (AMOVA) showed that 86% of the variation was within individuals; while 14% was attributable to differences among gene pools. The Burkinabe gene pool was strongly differentiated from all the others (genetic differentiation values >0.20), with no gene flow (Nm) to the reference populations (Nm = 0.98). …”
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Genome-wide association studies of grain yield and quality traits under optimum and low-nitrogen stress in tropical maize (Zea mays L.) por Ndlovu, Noel, Spillane, Charles, McKeown, Peter C., Cairns, Jill E., Das, Biswanath, Gowda, Manje

“…Soils in sub-Saharan Africa are nitrogen deficient due to low fertilizer use and inadequate soil fertility management practices. …”
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Weevil resistant sweetpotato through biotechnology. por Ghislain, M., Tovar, J., Prentice, K., Ormachea, M., Rivera, C., Manrique, S., Kreuze, Jan F., Ssemakula, G.N., Rukarwa, R., Sefasi, A., Mukasa, S., Wamalwa, L., Machuka, J.

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Practical application of DNA technology to support livestock breeding in southern Africa por Kotze, A., Harris, E.J., Soma, P., Joubert, E.

“…The most applicable development in South Africa is DNA profiling. Through the analysis of unique banding patterns, applications such as individual identification, parentage verification, genetic characterisation and the detection of genetic defects and undesirable genes are performed. …”
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Sources of resistance to Pseudomonas syringae pv. phaseolicola races in Phaseolus vulgaris por Taylor, JD, Teverson, D.M., Davis, J.H.C.

“…Race specific resistance genes (R-genes) were detected in 49.4% of accessions with the following gene frequencies: R1 (10.3%), R2 (0.3%), R3 (25.0%), R4 (35.0%) and R5 (0.2%). …”
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Genomic breeding of green super rice varieties and their deployment in Asia and Africa por Yu, Sibin, Ali, Jauhar, Zhang, Chaopu, Li, Zhikang, Zhang, Qifa

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Association analysis for resistance to Striga hermonthica in diverse tropical maize inbred lines por Stanley, A.E., Menkir, A., Ifie, B.E., Agre, A.P., Unachukwu, N.N., Meseka, S.K., Mengesha Abera, W., Bossey, B., Kwadwo, O., Tongoona, Pangirayi, Oladejo, O., Sneller, C., Gedil, Melaku A

“…Striga hermonthica is a widespread, destructive parasitic plant that causes substantial yield loss to maize productivity in sub-Saharan Africa. Under severe Striga infestation, yield losses can range from 60 to 100% resulting in abandonment of farmers’ lands. …”
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Diversity of aflatoxinproducing fungi and their impact on food safety in subSaharan Africa por Probst, C., Bandyopadhyay, Ranajit, Cotty, P.J.

“…Taxa with S strainmorphology differed in distribution with strain SBG limited toWest Africa and both A. minisclerotigenes and thenew lineage from Kenya in Central and East Africa. …”
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Molecular and cytological characterization of the global Musa germplasm collection provides insights into the treasure of banana diversity por Christelova, P., Langhe, E. de, Hribova, E., Cizkova, J., Sardos, J., Husakova, M., Houwe, Ines van den, Sutanto, A., Kepler, A.K., Swennen, Rony L., Roux, N., Doležel, Jaroslav

“…With the annual production reaching 144 million tons, their production represents an important contribution to the economies of many countries in Asia, Africa, Latin-America and Pacific Islands. Most importantly, bananas are a staple food for millions of people living in the tropics. …”
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Identifying genetically redundant accessions in the world’s largest cassava collection por Carvajal-Yepes, Monica, Ospina, Jessica Alejandra, Aranzales Rondón, Ericson, Velez-Tobon, Monica, Correa-Abondano, Miguel, Manrique-Carpintero, Norma Constanza, Wenzl, Peter

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Edited eukaryotic translation initiation factors confer resistance against maize lethal necrosis por Wen, Zhengyu, Lu, Fengzhong, Jung, Mark, Humbert, Sabrina, Marshall, Lisa, Hastings, Craig, Wu, Emily, Jones, Todd, Pacheco, Mario, Martinez, Ivan, Mahabaleswara, Suresh L., Beyene, Yoseph, Prasanna, Boddupalli M., Pixley, Kevin V., Dhugga, Kanwarpal

“…Our inability to knockout both the genes together suggested that at least one was required for survival. …”
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Parientes silvestres de cultivos por Bioversity International

“…Son una fuente vital de genes de resistencia contra enfermedades, plagas y factores de estrés como las sequías y las temperaturas extremas. …”
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Morphological and molecular characterization of tick species infesting cattle in South Africa por Makwarela, T.G., Nyangiwe, N., Masebe, T.M., Djikeng, Appolinaire, Nesengani, L.T., Smith, R.M., Mapholi, N.O.

“…This study evaluated ticks infesting cattle across six provinces in South Africa using morphological and molecular methods. …”
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Mitochondrial DNA reveals multiple introductions of domestic chicken in East Africa por Mwacharo, Joram M., Bjornstad, G., Mobegi, V.A., Nomura, K., Hanada, H., Amano, T., Hanotte, Olivier H., Han Jianlin

“…They occur ubiquitously in East Africa where they show extensive phenotypic diversity. …”
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Development and field performance of nitrogen use efficient rice lines for Africa por Selvaraj, Michael Gomez, Valencia Ortiz, Milton Orlando, Ogawa, Satoshi, Lu, Yingzhi, Wu, Liying, Downs, Christopher, Skinner, Wayne, Lu, Zhongjin, Kridl, Jean C., Ishitani, Manabu, Boxtel, Jos van

“…Our results suggest that expression of the HvAlaAT gene can improve NUE in rice without causing undesirable growth phenotypes. …”
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The potential of Rhipicephalus microplus as a vector of Ehrlichia ruminantium in West Africa por Some, M.V., Biguezoton, A.S., Githaka, Naftaly W., Adakal, H., Dayo, G.-K., Belem, A., Zoungrana, S., Stachurski, F., Chevillon, C.

“…Heartwater, or cowdriosis, is a virulent tick-borne rickettsial disease of ruminants caused by Ehrlichia ruminantium, biologically transmitted by Amblyomma species (A. variegatum in West Africa). In West Africa, this bacterium was recently reported to naturally infect the invasive cattle tick, Rhipicephalus microplus (Rm) through trans-ovarian transmission from replete adult females to offspring. …”
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Development and validation of allele-specific SNP/indel markers for eight yield-enhancing genes using whole-genome sequencing strategy to increase yield potential of rice, Oryza sa... por Kim, Sung-Ryul, Ramos, Joie, Ashikari, Motoyuki, Virk, Parminder S., Torres, Edgar A., Nissila, Eero, Hechanova, Sherry Lou, Mauleon, Ramil, Jena, Kshirod K.

“…Its consumption as a dietary source is also increasing in Africa. To meet the demand for rice to feed the increasing human population, increasing rice yield is essential. …”
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A historical appraisal of the tropical forages collection conserved at CIAT por Schultze-Kraft, Rainer, Peters, Michael, Wenzl, Peter

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