Johana Soto

Johana Soto
National University of Colombia | UNAL · Science Faculty. Biology Department

PhD

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17
Publications
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118
Citations

Publications

Publications (17)
Article
Full-text available
Anthocyanin biosynthesis is one of the most studied pathways in plants due to the important ecological role played by these compounds and the potential health benefits of anthocyanin consumption. Given the interest in identifying new genetic factors underlying anthocyanin content we studied a diverse collection of diploid potatoes by combining a ge...
Article
Cassava (Manihot esculenta Crantz) is an essential crop in tropical regions providing food for about one billion people around the world. The most important bacterial disease is cassava bacterial blight (CBB) caused by Xanthomonas axonopodis pv. manihotis (Xam). Recently, a resistance gene called RRXAM1 was identified, which codes for a protein tha...
Article
Full-text available
Potato, Solanum tuberosum, is one of the major consumed food in the world, being the basis of the diet of millions of people. The main limiting and destructive disease of potato is late blight, caused by Phytophtora infestans. Here, we present a multi-environmental analysis of the response to P. infestans using an association panel of 150 accession...
Article
Full-text available
Potatoes are an important staple food worldwide and are the third main source of antioxidants in the human diet. One of the most important antioxidant compounds in potatoes is the anthocyanin pigments. Some reports indicate a high positive correlation between color intensity, anthocyanins content, and antioxidant level in potato tubers. The variati...
Preprint
Full-text available
Potato, Solanum tuberosum, is one of the highest consumed food in the world, being the basis of the diet of millions of people. The main limiting and destructive disease of potato is late blight, caused by Phytophtora infestans. Here, we present a multi-environmental analysis of the response to P. infestans using an association panel of 150 accessi...
Article
Cassava, Manihot esculenta Crantz, is one of the major crops in developing countries. One of the main limitations in cassava production is Cassava Bacterial Blight (CBB), a disease caused by the gram-negative bacterium Xanthomonas axonopodis pv. manihotis (Xam). Although some resistant varieties have been identified, the mechanisms underlying cassa...
Article
Full-text available
One of the most challenging questions in plant breeding and molecular plant pathology research is what are the genetic and molecular bases of quantitative disease resistance (QDR)?. The scarce knowledge of how this type of resistance works has hindered plant breeders to fully take advantage of it. To overcome these obstacles new methodologies for t...
Article
Full-text available
Cassava, Manihot esculenta Crantz, has been positioned as one of the most promising crops world-wide representing the staple security for more than one billion people mainly in poor countries. Cassava production is constantly threatened by several diseases, including cassava bacterial blight (CBB) caused by Xanthomonas axonopodis pv. manihotis (Xam...
Article
Full-text available
Cassava, Manihot esculenta Crantz, is one of the most important crops world-wide representing the staple security for more than one billion of people. The development of dense genetic and physical maps, as the basis for implementing genetic and molecular approaches to accelerate the rate of genetic gains in breeding program represents a significant...
Article
Full-text available
p class="p1"> RESUMEN La yuca ( Manihot esculenta ) es el cuarto cultivo en importancia a nivel mundial como fuente de calorías para la población humana después del arroz, el azúcar y el maíz, posicionándose por esta razón como un cultivo primordial para la seguridad alimentaria. Su arquitectura ha sido considerada como un factor clave que subyace...
Article
Full-text available
One of the most important phytosanitary problems of the carnation crops in Colombia and in the entire world is vascular wilting produced by Fusarium oxysporum f.sp. dianthi. Currently, an effective treatment against the pathogen does not exist; the search for resistant varieties has been the most successful method for control of this disease. Breed...
Article
Full-text available
Downy mildew, caused by Peronospora sparsa, is one of the most restrictive and costly diseases in Colombian rose plantations. The close relation of the disease to climatic conditions determines the need to study the parasite under controlled microclimatic conditions. The objective of the present research was to improve the understanding of the biol...
Article
Colombia is the world�s leading exporter of carnation, however, its production presents a problem of great importance, because of the disease of the rot vascular produced by the parasite Fusarium. Studies, show that the most effective way of dealing with the problem, is to find the tolerance of the plants, thus, this work sought study the response...

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