Ximena Londoño

Una nueva especie de Guadua de la región Noroccidental Andina de Perú (Poaceae: Bambusoideae: Guaduinae)

Ximena Londoño, Eduardo Ruiz-Sanchez

Antecedentes: Guadua angustifolia Biotipo 1 es una especie cultivada en la región Noroccidental y con poblaciones silvestres en la región Nororiental de Perú. Un análisis filogenético reciente con marcadores moleculares del núcleo (SNPs) encontró que G. takahashiae es la especie hermana a …

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A new species of Guadua (Poaceae: Bambusoideae: Bambuseae: Guaduinae) from the Colombian Amazon

Ximena Londoño, Eduardo Ruiz-Sanchez

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Dignity in death: International humanitarian law and the protection of the deceased in war

Helen Obregón Gieseken, Ximena Londoño

Abstract When people die in the context of armed conflicts, international humanitarian law (IHL) provides important legal protection for the dead and their families. Overall, it seeks to ensure that the dead are respected and recovered no matter who they were, and …

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Metabolomic Profiling of Guadua Species and Its Correlation with Antioxidant and Cytotoxic Activities

Luis Carlos Chitiva, Paula Rezende-Teixeira, Tiago Leão, Hair Santiago Lozano-Puentes et autres

High Resolution Image Download MS PowerPoint Slide Bamboo plants are widely used in Asian traditional medicine for various health issues and exhibit therapeutic potential. Guadua species are renowned bamboos for their high phenolic compound content, including flavonoids and hydroxycinnamic acid derivatives, and …

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Uncovering Metabolic Alterations in HCT-116 Colon Cancer Cells upon Exposure to Bamboo Leaf Extract Obtained from Guadua incana Londoño

Luis Carlos Chitiva, Mary Andrea Santamaría-Torres, Paula Rezende Teixeira, Jéssica Rodrigues Pereira de Oliveira Borlot et autres

Metabolic alterations are increasingly recognized as important aspects of colorectal cancer (CRC), offering potential avenues for identifying therapeutic targets. Previous studies have demonstrated the cytotoxic potential of bamboo leaf extract obtained from Guadua incana (BLEGI) against HCT-116 colon cancer cells. However, the …

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Nuclear phylogenomics of grasses (Poaceae) supports current classification and reveals repeated reticulation

Watchara Arthan, William J. Baker, Matthew David Barrett, Russell L. Barrett et autres

Summary Grasses (Poaceae) comprise around 11,800 species and are central for human livelihoods and terrestrial ecosystems. Knowing their relationships and evolutionary history is key to comparative research and crop breeding. Advances in genome-scale sequencing allow for increased breadth and depth of phylogenomic …

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Guadua guzmanii (Poaceae: Bambusoideae: Bambuseae: Guaduinae): A new woody bamboo species endemic to Jalisco, Mexico

Eduardo Ruíz-Sánchez, María Del Carmen Anaya-Corona, Ximena Londoño

Guadua comprises 35 described species, seven of which are distributed in Mexico. Since 1976, a specimen corresponding to the genus Guadua was collected, which could not be correctly assigned to any described taxon. In the present study, a new species of Guadua …

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A new species of Guadua (Poaceae: Bambusoideae: Bambuseae: Guaduinae) from the Colombian Amazon

Ximena Londoño, Eduardo Ruíz-Sánchez

A new species of Guadua, Guadua bambuzoniae Londoño, is described from the Amazon region of Colombia, specifically in the tropical rainforest ecosystem. This species is unusual in that it grows in swampy areas and has several distinct characteristics that differentiate it from …

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Untargeted metabolomics approach and molecular networking analysis reveal changes in chemical composition under the influence of altitudinal variation in bamboo species

Luis Carlos Chitiva, Hair Santiago Lozano-Puentes, Ximena Londoño, Tiago Leão et autres

Bamboo species have traditionally been used as building material and potential source of bioactive substances, as they produce a wide variety of phenolic compounds, including flavonoids and cinnamic acid derivatives that are considered biologically active. However, the effects of growth conditions such …

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A Revision of Chusquea sect. Serpentes (Bambuseae, Bambusoideae, Poaceae) Including Two New Species from South America

Elizabeth K. McMurchie, Bryan James Peterson, Thales D. Leandro, Ximena Londoño et autres

Abstract— The Neotropical woody bamboo genus Chusquea consists of 193 currently described species ranging from central Mexico and the Caribbean to Chile and Argentina, primarily in montane habitats. The six previously described species of Chusquea subg. Chusquea sect. Serpentes are scandent in …

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POTENCIAL NUTRICIONAL DE ESPECIES DE BAMBÚ PARA ALIMENTACIÓN DE RUMIANTES. CASO DE ESTUDIO EN LA ZONA CAFETERA DE COLOMBIA

Juan C. Camargo García, Lucia Mejía, Ximena Londoño, Juliana Muñoz et autres

La ganadería es económicamente importante y contribuye con la seguridad alimentaria a nivel mundial. Sin embargo, está asociada a problemas de degradación de los recursos naturales y pérdida de servicios ecosistémicos. Esto ha impulsado a los gobiernos a promover estrategias para su …

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Diversity, distribution, and classification of Neotropical woody bamboos (Poaceae: Bambusoideae) in the 21st Century

Eduardo Ruíz-Sánchez, Christopher Dean Tyrrell, Ximena Londoño, Reyjane P. Oliveira et autres

Background: The Neotropical woody bamboos (NWB) comprise a clade native to the Western Hemisphere. Taxonomically the NWB are classified into three subtribes: Arthrostylidiinae, Chusqueinae, and Guaduinae. These woody bamboos are distributed from northern Mexico and the West Indies to south-central Chile and …

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