Fernando Alveiro Alzate-Guarin

Coordinador del grupo

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Profesor asociado del Instituto de Biología de la Universidad de Antioquia, donde imparte cursos relacionados con taxonomía y evolución de plantas. Los intereses investigativos incluyen la descripción y caracterización de la diversidad de diferentes grupos de plantas y el estudio de la aerobiología como una forma de abordar la biodiversidad, su dinámica y sus impactos.

Educación

  • Universidad de Antioquia | Medellín, Colombia
    Doctorado en Biología | 2004-2008
    Filogenia y biogeografía del genero Bomarea (Alstroemeriaceae)

  • Universidad de Antioquia | Medellín, Colombia
    Maestría en Biología | 2000-2004
    Revisión taxonomica del género Bomarea para la flora de Colombia

  • Universidad de Antioquia | Medellín, Colombia
    Pregrado en Biología | 1990-1997
    Patrones de distribución de epifitas fanerógamas en bosques de roble, en el municipio de Belmira, Antioquia

  • Universidad Nacional de Colombia Sede Medellín | Medellín, Colombia
    Pregrado en Zootecnia | 1991-1995
    Incidencia de las aflatoxinas en la producción avícola

Publicaciones

Miscellaneous nomenclatural notes on Andean Chrysochlamys (Clusiaceae: Clusieae)

Balboa
Andean species
Lectotypifications
Tovomita
Tovomitopsis
Eudicots
Chrysochlamys (Clusiaceae) is a strictly Neotropical genus that comprises between 35 and 55 species. The taxonomy of the genus is poorly-known in South American region…
2024-08-27
Angy Vanesa Caro-Sánchez, Lucas Cardoso Marinho, Álvaro Idárraga-Piedrahíta, Fernando Alveiro Alzate-Guarin

Contribution of non-arboreal growth habits to the diversity of oak forests in the Eastern Cordillera, Colombia

Andeanforest
Biodiversity
Habitat fragmentation
Herbaceous plants
Floristic studies carried out in forests tend to focus on woody plants with diameter at breast height (DBH)≥2.5 cm, so non-tree components, important in the composition and…
2024-08-02
Heidy Caterine Caro-Ayala, Susana María Arango-Carvajal, Diego Suescún-Carvajal, Fernando Alveiro Alzate-Guarin, Boris Stefan Villanueva-Tamayo

The rapid radiation of Bomarea (Alstroemeriaceae: Liliales), driven by the rise of the Andes

Andean uplift
Divergence-time estimation
Evolutionary radiation
Target capture
Liliales
Geological events such as mountain uplift affect how, when, and where species diversify, but measuring those effects is a longstanding challenge. Andean orogeny impacted the…
2023-10-13
Carrie M Tribble, Fernando Alveiro Alzate-Guarin, Etelvina Gándara, Araz Vartoumian, J Gordon Burleigh, Rosana Zenil-Ferguson, Chelsea D Specht, Carl J Rothfels

A new species of Tournefortiopsis (Guettardeae, Rubiaceae) from northern Colombia

Eudicots
Antioquia
Chomelia
Flora of Colombia
Guettarda
A new species of Tournefortiopsis from high Andean forests of the Central Colombian Cordillera is described and illustrated. Tournefortiopsis triflora is characterized…
2023-08-22
David Pérez-Uribe, Fernando Alveiro Alzate-Guarin

A biologically active chromone from Bomarea setacea (Alstroemeriaceae): leishmanicidal, antioxidant and multilevel computational studies

Antileishmanial
Antioxidant
Bomarea setacea
Chromone
In silico studies
A chromone was isolated from alcoholic extracts from Bomarea setacea and identified as 2-henicosyl-5,7-dihydroxy-4H-chromen-4-one. The leishmanicidal activity was evaluated…
2022-12-06
Wilson Cardona-Galeano, Andrés Felipe Yépes-Pérez, Jorge Quintero‐Saumeth, Sara Maria Robledo, Fernando Alveiro Alzate-Guarin, Benjamín Rojano

Novelties in Chrysochlamys membranacea (Clusiaceae: Clusieae), an update on the nomenclatural and morphological knowledge of this species described from Biogeographic Chocó, Colombia

Balboa
Dioecious
Malpighiales
Neotropical flora
Tovomitopsis
Triana
Chrysochlamys membranacea Planch. & Triana is a species described as a pistillate specimen collected between Nariño and Cauca departments, in the locality of biogeographic…
2022-11-22
Angy Vanesa Caro-Sánchez, Álvaro Idárraga-Piedrahíta, Fernando Alveiro Alzate-Guarin

In vitro antiviral activity against SARS-CoV-2 of plant extracts used in Colombian traditional medicine

SARS-CoV-2
Plant extract
Antiviral agents
Ethnobotany
Background: Coronavirus infectious disease 2019 (COVID-19) caused by the infection with the new coronavirus SARS-CoV-2 has affected the life and health of more than 222…
2022-02-06
Lizdany Flórez-Álvarez, Jahnnyer Martínez-Moreno, María I. Zapata-Cardona, Elkin Galeano, Fernando Alveiro Alzate-Guarin, Wildeman Zapata

Preliminary evaluation of the flammability of some species of cultivated plants in Colombia

Fireproofing
Flame sustainability
Time to ignition
It was assessed the flammability of 11 plant species cultivated in Medellin city in Colombia, using the variables time of ignition and time of flame sustainability, with the…
2022-01-24
Fernando Alveiro Alzate-Guarin, Lina Marcela Muñoz-Correa, Andrés Amell

Etnobotánica de las comunidades campesinas: área de influencia de los embalses Porce II y Porce III

Guía de campo
Los usos dados a las plantas han constituido importantes recursos en la vida cotidiana de muchas comunidades, sin embargo su transferencia y valoración ha disminuido en las…
2021-12-31
Natalia Andrea Salazar-Gíl, Felipe Alfonso Cardona-Naranjo, Fernando Alveiro Alzate-Guarin

Conservation status of the angiosperm species of the Antioquia paramos

Conservation
Extension of presence
Herbarium data
Threatened species
The current need to preserve the diversity in the ecosystems of paramo given the multiple threats that affect them, requires a fast recognition of the most vulnerable…
2021-12-15
Fernando Alveiro Alzate-Guarin, Dora Emilse Cano-Gallego, Rosa del C. Ortiz-Gentry

The genus Alchornea (Euphorbiaceae) in Antioquia, Colombia

Distribution
Diversity
Morphology
Taxonomy
A taxonomic study of the genus Alchornea in Antioquia, Colombia, is presented. Fifteen species are included, three of which (Alchornea brittonii, A. bogotensis. and A.…
2021-07-01
Diana Cristina García-Ruenes, Fernando Alveiro Alzate-Guarin

In-vitro chemopreventive potential of a chromone from Bomarea setacea (Alstroemeriaceae) against colorectal cancer

Antiproliferative
Apoptosis
Bomarea setacea
Chromone
Colorectal cancer
Chemoprevention with natural products may provide important alternatives in the search for new drugs to treat cancer. Thus, the ethanol extract of Bomarea setacea and its…
2021-06-01
Angie Herrera-Ramírez, Gustavo Moreno, Pedronel Araque, Isabel Vásquez, Elizabeth Naranjo, Fernando Alveiro Alzate-Guarin, Wilson Cardona-Galeano

Novelties in Phoradendron killipii (Viscaceae): an endemic and rare species from Colombia

Endemic species
Eudicots
Flora of Colombia
Phoradendreae
Santalales
Phoradendron killipii is an endemic species from Colombia, initially known only from the original material. Ten herbarium sheets of this species were found during taxonomic…
2021-03-16
Jhon Steven Murillo-Serna, Greta Aline Dettke, Isabel Carmona-Gallego, Fernando Alveiro Alzate-Guarin

A new species of Aetanthus (Loranthaceae) from Colombia with notes on A. engelsii

Aetanthus
Colombia
Hemiparasitic plants
Loranthaceae
Mew species
Nomenclature
Aetanthus alternifolius F.J. Roldán, Carmona, Alzate & J.S. Murillo (Loranthaceae) is newly described and illustrated from the department of Santander in northeastern…
2021-02-01
Jhon Steven Murillo-Serna, Francisco Javier Roldán-Palacio, Isabel Carmona-Gallego, Fernando Alveiro Alzate-Guarin

Comparative transcriptomics of a monocotyledonous geophyte reveals shared molecular mechanisms of underground storage organ formation

Comparative transcriptomics
Geophytes
Tuberous roots
Many species from across the vascular plant tree-of-life have modified standard plant tissues into tubers, bulbs, corms, and other underground storage organs (USOs), unique…
2021-01-19
Carrie M Tribble, Jesús Martínez-Gómez, Fernando Alveiro Alzate-Guarin, Carl J Rothfels, Chelsea D Specht

Exploring local morphological and molecular variation in parasitic species Gaiadendron punctatum (Loranthaceae) from Northwestern Andes of Colombia

Ecotypes
Haplotypes
Polymorphism
Species complex
Santalales
Gaiadendron punctatum (Ruiz & Pav.) G. Don. exhibits a wide morphological variation and geographical distribution, ranging from Nicaragua to Bolivia. Reported polymorphism…
2021-01-01
Isabel Carmona-Gallego, Romina Vidal-Russell, Fernando Alveiro Alzate-Guarin

(2787) Proposal to conserve the name Graffenrieda against Centronia (Melastomataceae: Merianieae)

Murillo‐Serna, J. S., Michelangeli, F. A., & Alzate-Guarin, F. A. (2020). (2787) Proposal to conserve the name Graffenrieda against Centronia ( Melastomataceae: Merianieae). …
2020-12-31
Jhon Steven Murillo-Serna, Fabián A. Michelangeli, Fernando Alveiro Alzate-Guarin

A new species of Oryctanthus (Loranthaceae) from Colombia

Eudicots
Flora of Colombia
Hemiparasitic
Palynology
Santalales
A new species of the hemiparasitic genus Oryctanthus from Colombia is described and illustrated. This species is known only from two nearby localities and it can be…
2020-11-03
Isabel Carmona-Gallego, Jhon Steven Murillo-Serna, Francisco Javier Roldán-Palacio, Fernando Alveiro Alzate-Guarin

Antileishmanial and cytotoxic activities of four Andean plant extracts from Colombia

Araliaceae
Chrysobalanaceae
Lauraceae
Rubiaceae
Leishmaniasis
Licania salicifolia
Oreopanax floribundus
Persea ferruginea
Psychotria buchtienii
Background and Aim: Licania salicifolia (L.S) Cuatrec., Persea ferruginea (P.F) Kunth, Oreopanax floribundus (O.F), and Psychotria buchtienii (P.B) belong to the families…
2020-10-19
Wilson Cardona-Galeano, Sara Robledo, Fernando Alveiro Alzate-Guarin, Andrés F. Yepes, Cristian Hernandez, Ivan Dario Velez, Juan Carlos Calderon, Isabel Vásquez Tabares

The global abundance of tree palms

Above-ground biomass
Abundance patterns
Arecaceae
Local abiotic conditions
Neotropics
Pantropical biogeography
Tropical rainforest
Wood density
Palms are an iconic, diverse and often abundant component of tropical ecosystems that provide many ecosystem services. Being monocots, tree palms are evolutionarily…
2020-07-08
Robert Muscarella, Thaise Emilio, Oliver L. Phillips, Simon L. Lewis, Ferry Slik, William J. Baker, Thomas L. P. Couvreur, Wolf L. Eiserhardt, Jens-Christian Svenning, Kofi Affum-Baffoe, Shin-Ichiro Aiba, Everton C. de Almeida, Samuel S. de Almeida, Edmar Almeida de Oliveira, Esteban Álvarez-Dávila, Luciana F. Alves, Carlos Mariano Alvez-Valles, Fabrício Alvim Carvalho,, Fernando Alveiro Alzate-Guarin, Ana Andrade, Luis E. O. C. Aragão, Alejandro Araujo Murakami, Luzmila Arroyo, Peter S. Ashton, Gerardo A. Aymard Corredor, Timothy R. Baker, Plinio Barbosa de Camargo, Jos Barlow, Jean-François Bastin, Natacha Nssi Bengone, Erika Berenguer, Nicholas Berry, Lilian Blanc, Katrin Böhning-Gaese, Damien Bonal, Frans Bongers, Matt Bradford, Fabian Brambach, Francis Q. Brearley, Steven W. Brewer, Jose L. C. Camargo, David G. Campbell, Carolina V. Castilho, Wendeson Castro, Damien Catchpole, Carlos E. Cerón Martínez, Shengbin Chen, Phourin Chhang, Percival Cho, Wanlop Chutipong, Connie Clark, Murray Collins, James A. Comiskey, Massiel Nataly Corrales Medina, Flávia R. C. Costa, Heike Culmsee,, Heriberto Antonio David-Higuita, Priya Davidar, Jhon del Aguila-Pasquel, Géraldine Derroire, Anthony Di Fiore, Tran Van Do, Jean-Louis Doucet, Aurélie Dourdain, Donald R. Drake, Andreas Ensslin, Terry Erwin, Corneille E. N. Ewango, Robert M. Ewers, Sophie Fauset, Ted R. Feldpausch, Joice Ferreira, Leandro Valle Ferreira, Markus Fischer, Janet Franklin, Gabriella M. Fredriksson, Thomas W. Gillespie, Martin Gilpin, Christelle Gonmadje, Arachchige Upali Nimal Gunatilleke, Khalid Rehman Hakeem, Jefferson S. Hall, Keith C. Hamer, David J. Harris, Rhett D. Harrison, Andrew Hector, Andreas Hemp, Bruno Herault, Carlos Gabriel Hidalgo Pizango, Eurídice N. Honorio Coronado, Wannes Hubau, Mohammad Shah Hussain, Faridah-Hanum Ibrahim, Nobuo Imai, Carlos A. Joly, Shijo Joseph, Anitha K, Kuswata Kartawinata, Justin Kassi, Timothy J. Killeen, Kanehiro Kitayama, Bente Bang Klitgård, Robert Kooyman, Nicolas Labrière, Eileen Larney, Yves Laumonier, Susan G. Laurance, William F. Laurance, Michael J. Lawes, Aurora Levesley, Janvier Lisingo, Thomas Lovejoy, Jon C. Lovett, Xinghui Lu, Anne Mette Lykke, William E. Magnusson, Ni Putu Diana Mahayani, Yadvinder Malhi, Asyraf Mansor, Jose Luis Marcelo Peña, Ben H. Marimon-Junior, Andrew R. Marshall, Karina Melgaco, Casimiro Mendoza Bautista, Vianet Mihindou, Jérôme Millet, William Milliken, D. Mohandass, Abel Lorenzo Monteagudo Mendoza, Badru Mugerwa, Hidetoshi Nagamasu, Laszlo Nagy, Naret Seuaturien, Marcelo T. Nascimento, David A. Neill, Luiz Menini Neto, Rueben Nilus, Mario Percy Núñez Vargas, Eddy Nurtjahya, R. Nazaré O. de Araújo, Onrizal Onrizal, Walter A. Palacios, Sonia Palacios-Ramos, Marc Parren, Ekananda Paudel, Paulo S. Morandi, R. Toby Pennington, Georgia Pickavance, John J. Pipoly III, Nigel C. A. Pitman, Erny Poedjirahajoe, Lourens Poorter, John R. Poulsen, P. Rama Chandra Prasad, Adriana Prieto, Jean-Philippe Puyravaud, Lan Qie, Carlos A. Quesada, Hirma Ramírez-Angulo, Jean Claude Razafimahaimodison, Jan Meindert Reitsma, Edilson J. Requena-Rojas, Zorayda Restrepo Correa, Carlos Reynel Rodriguez, Anand Roopsind, Francesco Rovero, Andes Rozak, Agustín Rudas Lleras, Ervan Rutishauser, Gemma Rutten, Ruwan Punchi-Manage, Rafael P. Salomão, Hoang Van Sam, Swapan Kumar Sarker, Manichanh Satdichanh, Juliana Schietti, Christine B. Schmitt, Beatriz Schwantes Marimon, Feyera Senbeta, Lila Nath Sharma, Douglas Sheil, Rodrigo Sierra, Javier E. Silva-Espejo, Marcos Silveira, Bonaventure Sonké, Marc K. Steininger, Robert Steinmetz, Tariq Stévart, Raman Sukumar, Aisha Sultana, Terry C. H. Sunderland, Hebbalalu Satyanarayana Suresh, Jianwei Tang, Edmund Tanner, Hans ter Steege, John W. Terborgh, Ida Theilade, Jonathan Timberlake, Armando Torres-Lezama, Peter Umunay, María Uriarte, Luis Valenzuela Gamarra, Martin van de Bult, Peter van der Hout, Rodolfo Vasquez Martinez, Ima Célia Guimarães Vieira, Simone A. Vieira, Emilio Vilanova, Jeanneth Villalobos Cayo, Ophelia Wang, Campbell O. Webb, Edward L. Webb, Lee White, Timothy J. S. Whitfeld, Serge Wich, Simon Willcock, Susan K. Wiser, Kenneth R. Young, Rahmad Zakaria, Runguo Zang, Charles E. Zartman, Irié Casimir Zo-Bi, Henrik Balslev

A new species of Meriania of the Brachycera group (Melastomataceae: Merianieae) with dimorphic stamens

Andes
Colombia
Dimorphic stamens
Myrtales
Merianieae
Meriania juan-canoi, a new species endemic to the northern Andes in Colombia is described and illustrated. This new species belongs to the Brachycera group and can be…
2020-05-12
Juan Mauricio Posada-Herrera, Álvaro Idárraga-Piedrahíta, Fernando Alveiro Alzate-Guarin

Espeletia restricta (Millerieae, Asteraceae), a new species from the páramos of northern Colombia

Antioquia
Central Cordillera
Compositae
Espeletiinae
Frailejón
Sonsón
Eudicots
An intensive exploration of the páramos ecosystem on northwestern Colombia allowed the discovery of a new species of Espeletia (Millerieae: Asteraceae), E. restricta. Espelet…
2020-02-20
Fernando Alveiro Alzate-Guarin, Sebastián Giraldo-Gómez

New record of Oryctanthus grammatus (Loranthaceae), a parasitic plant known only from the type collection

Biological collections
Flora of Antioquia
Flora of Colombia
Loranthaceae
Santalales
Oryctanthus grammatus is a species described in 2011 and found in the biogeographic area of the Magdalena River, Colombia, which is known only from the type specimen…
2019-11-15
Isabel Carmona-Gallego, Jhon Steven Murillo-Serna, Francisco Javier Roldán-Palacio, Fernando Alveiro Alzate-Guarin

Obtaining DNA from Urticaceae: overcoming the challenges associated with chemical compounds and herbarium specimens

Anatomy
Mucilaginous canals
Nettle family
Polyphenols
Polysaccharides
Obtaining DNA from herbarium collections sometimes becomes of great importance; especially when dealing with rare specimens or when they inhabit areas that are difficult to…
2019-09-05
Herber Jassin Sarrazola-Yepes, Fernando Alveiro Alzate-Guarin

Synopsis of the family Amaryllidaceae in Colombia

Andes
Asparagales
Horticulture
Neotropical plants
The family Amaryllidaceae has been postulated as a monophyletic group in different analyses, in which three big clades are recognized as subfamilies (Agapanthoideae…
2019-06-15
Fernando Alveiro Alzate-Guarin, Manuela Lesmes-Diaz, Natalie Charlotte Cortés-Rendón, Santiago Varela-Velasquez, Edison Javier Osorio-Durango

Typification of some names of Graffenrieda (Melastomataceae: Merianieae)

Botanical nomenclature
Calyptrella
Eudicots
Neotropics
In order to provide nomenclature and taxonomic clarity, nine lectotypes are designated for plants currently circumscribed in Graffenrieda. In addition, the typification for…
2019-02-01
Jhon Steven Murillo-Serna, Fabián A. Michelangeli, Fernando Alveiro Alzate-Guarin

Comparative leaf anatomy of three species of Furcraea (Asparagaceae: Agavoideae)

Cabuya
Fique
Plant tissues
Xerophytic plants
The Neotropical genus Furcraea Vent. is widely cultivated to produce fibers that are known as Fique or Cabuya. A histological analysis of leaves from three species of Furcraea…
2018-12-01
Jhon Steven Murillo-Serna, Edgar Javier Rincón-Barón, Fernando Alveiro Alzate-Guarin

Application of phylogenetic indices in the definition of conservation priorities in the northwest Andes páramos

Antioquia
Colombia
Conservation
Paramos
Phylogenetic diversity
Phylogenetic indices
Páramos are High Andean ecosystems that harbor a diverse biota and have high endemicity, because of their extreme environmental conditions. We used different phylogenetic…
2018-08-20
Fernando Alveiro Alzate-Guarin, Astrid Álvarez-Sánchez, Daniel Rafael Miranda-Esquivel, Juan José Morrone

Memorias Segundo Simposio Colombiano en Sistemática y Evolución de Plantas

Memorias
Alzate-Guarin, F. A., Carmona-Gallego, I., & Cardona-Naranjo, F. A. (Eds.). (2018). Memorias Segundo Simposio Colombiano en Sistemática y Evolución de Plantas. Universidad…
2018-08-03
Fernando Alveiro Alzate-Guarin, Isabel Carmona-Gallego, Felipe Alfonso Cardona-Naranjo

Comparative leaf anatomy of Gaiadendron punctatum and Tripodanthus belmirensis (Loranthaceae)

Colombia
Epidermis
Hemiparasitic plants
Plant tissues
Santalales
Leaf anatomy of Gaiadendron punctatum and Tripodanthus belmirensis species is described with the aim of exploring possible characters that allow a precise identification of…
2018-01-01
Isabel Carmona-Gallego, Jhon Steven Murillo-Serna, Edgar Javier Rincón-Barón, Fernando Alveiro Alzate-Guarin

Alkaloids of Amaryllidaceae as inhibitors of cholinesterases (AChEs and BChEs): an integrated bioguided study

Alzheimer disease
Amaryllidaceae alkaloids
Acetylcholinesterase
Butyrylcholinesterase
Bioautography
Molecular docking
Enzymatic inhibition of acetylcholinesterase (AChE) is an essential therapeutic target for the treatment of Alzheimer’s disease (AD) and AChE inhibitors are the first-line…
2017-10-17
Natalie Charlotte Cortés-Rendón, Karina Andrea Sierra-Henao, Fernando Alveiro Alzate-Guarin, Edison Javier Osorio-Durango

Structural and ultrastructural characters of the gametogenesis of Chara hydropitys (Charophyceae)

Antheridia
Chara
Composed oosporangial wall
Gametogenesis
Oosporangia
Ultrastructure
In Charophyceae, the oosporangia and antheridia are the respective female and male structures of sexual reproduction. These organs are characterized by their morphological…
2017-09-19
Edgar Javier Rincón-Barón, Yenny Magaly Castrillón-Bolaños, Gerardo Andrés Torres-Rodríguez, Fernando Alveiro Alzate-Guarin, Silvia Espinosa-Matías

Memorias Primer Simposio Colombiano en Sistemática y Evolución de Plantas

Memorias
La sistemática de plantas como un área de la biología busca esclarecer las relaciones y la historia evolutiva de estos organismos. Con esta finalidad recurre a diferentes…
2017-03-24
Fernando Alveiro Alzate-Guarin, Isabel Carmona-Gallego, Felipe Alfonso Cardona-Naranjo

Nutricional and physicochemical aspects of Ilex laurina Kunth (Aquifoliaceae): a comparative study with Ilex Paraguariensis

Ilex paraguariensis
Mate
Sensory test
Phytochemicals
Minerals
Macronutrients
Background: Ilex laurina K., a Colombian plant whose infusion presents antioxidant and antiproliferative properties, belongs to a species of Yerba Mate tea. Objective: Evalua…
2017-02-02
Juan Manuel Pérez, Wilson Cardona-Galeano, Luz Urango, Fernando Alveiro Alzate-Guarin, Benjamín Rojano, Maria Elena Maldonado

Angiosperm flora on the páramos of northwestern Colombia: diversity and affinities

Angiosperms
Andes
Antioquia
Páramos
Colombia
Páramos are high-elevation isolated ecosystems in the Andes characterized by specific flora. This flora includes a number of endemic species and some taxa phylogenetically…
2016-09-30
Fernando Alveiro Alzate-Guarin, Jhon Steven Murillo-Serna

Rediscovering Polygala corifolia (Polygalaceae) 170 years after its description

Antioquia
Colombia
Páramo
Poygala corifolia
The rediscovery of Polygala corifolia Planch. & Triana 170 years after the first and last collection is reported. Polygala corifolia was described based on a single…
2016-08-30
Fernando Alveiro Alzate-Guarin

Fruits of selected wild and cultivated Andean plants as sources of potential compounds with antioxidant and anti-aging activity

Anti-aging
Collagenase
Elastase
Tyrosinase
Hyaluronidase
Anti-oxidant
Fruits of Andean plants
It is known that most of the species growing in high-elevation environments in tropical mountains remain largely unexplored. In particular, little is known from a chemical…
2016-07-01
Karent Bravo, Fernando Alveiro Alzate-Guarin, Edison Javier Osorio-Durango

Nutricional and physicochemical aspects of Ilex laurina Kunth (Aquifoliaceae): a comparative study with Ilex Paraguariensis

Leishmaniasis
Antiprotozoal
Saponin
Ilex laurina
Aquifoliaceae
Purpose: To evaluate the leishmanicidal and cytotoxic activity of alcohol and non-alcohol extracts and saponins from Ilex laurina.
2016-05-30
Juan Manuel Pérez, Sara Maria Robledo, Wilson Cardona-Galeano, Fernando Alveiro Alzate-Guarin, Diana Muñoz, Angie Herrera-Ramírez

Antiprotozoal activity and cytotoxicity of extracts from Solanum arboreum and S. ovalifolium (Solanaceae)

Antiprotozoal activity
Antileismanial activity
Trypanocidal activity
Antiplasmodial activity
Solanum arboreum
Solanum ovalifolium
Solanaceae
Leishmaniasis, Chagas and Malaria are a major health problem in Latin America. Medicinal plants constitute viable alternatives to conventional medicine in many developing…
2016-02-25
Fernanda Lonodoño, Wilson Cardona-Galeano, Fernando Alveiro Alzate-Guarin, Felipe Alfonso Cardona Naranjo, Ivan Dario Vélez, Yulieth Upegui, Victoria Ospina, July Andrea Muñoz, Sara Maria Robledo

Neuropharmacological effects of the ethanolic extract of Sida acuta

Anxiolytic activity
Anticonvulsant activity
Rota rod
Sodium pentobarbital-induced sleeping time
Sida acuta Burm. f., Malvaceae, is regarded as astringent, tonic and useful in treating urinary diseases and blood disorders, bile, liver and as treatment for nervous…
2016-01-05
Dora María Benjumea-Gutiérrez, Isabel C. Gómez-Betancur, Julieta Vásquez-Escobar, Fernando Alveiro Alzate-Guarin, Andrea García-Silva, José A. Fontenla

Chemical composition and antibacterial activity against Enterobacter cloacae of essential oils from Asteraceae species growing in the Páramos of Colombia

Ageratina
Antibacterial activity
Asteraceae
Baccharis
Diplostephium and Pentacalia genres
Enterobacter cloacae
Páramos
Páramos are intertropical montane ecosystems belonging to the Amazonian domain. They are discontinuously located in the Neotropics and have a high rate of endemicity at the…
2015-09-03
Luis Carrillo-Hormaza, Cristina Mora, Rafael Alvarez, Fernando Alveiro Alzate-Guarin, Edison Javier Osorio-Durango

Antileishmanial effect of 5,3′-hydroxy-7,4′-dimethoxyflavanone of Picramnia gracilis Tul. (Picramniaceae) fruit: in vitro and in vivo studies

Species of Picramnia genus are used in folk medicine to treat or prevent skin disorders, but only few species have been studied for biological activity and chemical…
2015-04-30
Sara Maria Robledo, Wilson Cardona-Galeano, Karen Ligardo, Jéssica Henao, Natalia Arbeláez, Andrés Montoya, Fernando Alveiro Alzate-Guarin, Juan Manuel Pérez, Victor Arango, Iván D. Vélez, Jairo Sáez

Antioxidant capacity and phenolic content of commonly used anti-inflammatory medicinal plants in Colombia

Anti-inflammatory medicinal plants
Antioxidant capacity
Electron transfer antioxidant tests
Hydrogen transfer antioxidant tests
Phenolic compounds
Oxidative stress is a major factor related to the development of inflammatory diseases, which have traditionally been treated with medicinal plants. Given this relationship…
2015-03-27
Nora del Socorro Jiménez-Úsuga, Luis Carrillo-Hormaza, Andrea Pujol, Fernando Alveiro Alzate-Guarin, Edison Javier Osorio-Durango, Oscar Javier Lara-Guzman

Atmospheric pollen and spore content in the urban area of the city of Medellin, Colombia

La Niña phenomenon
Palynology
Pollinosis
Tropics
The atmosphere of the urban area of the city of Medellin, Colombia was monitored with the objective of identifying airborne pollen and spores throughout a whole year.…
2015-03-01
Fernando Alveiro Alzate-Guarin, Mario Alberto Quijano-Abril, Astrid Janeth Álvarez-Sánchez, Ramiro Fonnegra-Gómez

Antileishmanial effect of 5,3′-hydroxy-7,4′-dimethoxyflavanone of Picramnia gracilis Tul. (Picramniaceae) fruit: in vitro and in vivo studies

Pilea
Urticaceae
Cytotoxicity
Antioxidants
Introduction: the free radical production due to oxidative stress, causing the oxidation of lipids, proteins, DNA and enzymes, responsibles for cell tissue damage. Some…
2015-03-01
Alejandro Garro, Wilson Cardona-Galeano, Benjamín Rojano, Sara Maria Robledo, Fernando Alveiro Alzate-Guarin

Neuroprotective activity and acetylcholinesterase inhibition of five Amaryllidaceae species: a comparative study

Acetylcholinesterase inhibitors
Alzheimer’s disease
Amaryllidaceae alkaloids
Neuroprotective activity
Amaryllidaceae alkaloids exhibit a wide range of physiological effects, of which the acetylcholinesterase (AChE) inhibitory activity is the most relevant. However…
2015-02-01
Natalie Charlotte Cortés-Rendón, Rafael Andrés Posada-Duque, Rafael Mariano Álvarez-Quintero, Fernando Alveiro Alzate-Guarin, Strahil Berkov, Gloria Patricia Cardona-Gómez, Edison Javier Osorio-Durango

Alkaloid metabolite profiles by GC/MS and acetylcholinesterase inhibitory activities with binding-mode predictions of five Amaryllidaceae plants

Acetylcholinesterase inhibitors
Alzheimer disease
Amaryllidaceae
Amaryllidaceae alkaloids
Docking
Acetylcholinesterase (AChE) enzymatic inhibition is an important target for the management of Alzheimer disease (AD) and AChE inhibitors are the mainstay drugs for its…
2015-01-05
Natalie Charlotte Cortés-Rendón, Rafael Mariano Álvarez-Quintero, Edison Humberto Osorio-López, Fernando Alveiro Alzate-Guarin, Strahil Berkov, Edison Javier Osorio-Durango

Comparative antioxidant, antiproliferative and apoptotic effects of Ilex laurina and Ilex paraguariensis on colon cancer cells

Ilex laurina
Ilex paraguariensis
Antioxidant
Antiproliferative
Apoptosis
Colon cancer
Purpose: To determine and compare the antioxidant, antiproliferative and apoptotic effects of leaf infusions of Ilex laurina and Ilex paraguariensis in colon cancer cells.
Me…
2014-09-09
Juan Manuel Pérez, María Elena Maldonado-Celis, Benjamín Alberto Rojano, Fernando Alveiro Alzate-Guarin, Jairo Antonio Sáez-Vega, Wilson Cardona-Galeano

Psittacanthus longerectus (Loranthaceae), a new showy species from Colombia

Andean flora
Colombian flora
Neotropical mistletoes
Santalales
Taxonomy
We describe Psittacanthus longerectus (Loranthaceae), a species so far only known from Antioquia (Colombia) and discuss the taxonomic affinities of the new species with P.…
2014-05-01
Francisco Javier Roldán-Palacio, Fernando Alveiro Alzate-Guarin

Ontogeny of the sporangium, spore formation and cytochemistry in Colombian Lycopodials (Lycopodiaceae)

Antheridia
Chara
Composed oosporangial wall
Gametogenesis
Oosporangia
Ultrastructure
Studies on reproductive aspects of Lycopodiaceae are not very abundant in the scientific literature, and constitute essential information to support taxonomic and systematic…
2014-01-20
Edgar Javier Rincón-Barón, Cristina Hilda Rolleri, Fernando Alveiro Alzate-Guarin, Jacinta Mireya Dorado-Gálvez

Pentacyclic triterpenes from Cecropia telenitida with immunomodulatory activity on dendritic cells

Cecropia telenitida
Pentacyclic triterpene
Natural product
Cytokine modulation
Anti-inflammatory activity
Dendritic cells
Pentacyclic triterpenes are a large family of plant metabolites that exhibit a wide array of biological activities. The genus Cecropia, which encompasses many plant species…
2013-09-01
Guillermo L. Montoya Peláez, Jelver A. Sierra, Fernando Alveiro Alzate-Guarin, Ulrike Holzgrabe, José R. Ramirez-Pineda

Leishmanicidal and antioxidant activity of extracts of Piper daniel-gonzalezii Trel. (Piperaceae)

Piper daniel-gonzalezii
Leishmaniasis
Antioxidants
Introduction: leishmaniasis is the protozoal disease with the highest morbidity and mortality worldwide. The medications used to treat it have serious drawbacks, among which…
2013-06-01
Wilson Cardona-Galeano, Sara Maria Robledo-Restrepo, Benjamín Alberto Rojano, Fernando Alveiro Alzate-Guarin, Diana Lorena Muñoz-Herrera

Flora de los bosques montanos de Medellín

Guía de campo
En un contundente pero poco circulado artículo, del biólogo Nigel Collar publicado en el año 2003, notaba que el mayor obstáculo para la conservación de la biodiversidad…
2012-04-12
Fernando Alveiro Alzate-Guarin, Álvaro Idárraga-Piedrahíta, Oswaldo Díaz-Vasco, Wilson Rodríguez-Duque

Medicina tradicional en los corregimientos de Medellín: historias de vidas y plantas

Guía de campo
El programa de estudios “Expedición Antioquia, 2013”, propuesto por las instituciones académicas del departamento de Antioquia, especialmente la Universidad de Antioquia y…
2012-04-03
Ramiro Fonnegra-Gómez, Fernando Alveiro Alzate-Guarin, Carlos Orozco-Castañeda, Carlos Vásquez-Londoño, Adolfo Correa-Silva, Jorge Suárez-Quirós, Valeria García-López, Francisco Javier Roldán-Palacio, Carlos Vasco-Correa

Antioxidant potential of some species of the genus Bomarea (Alstroemeriaceae)

Antioxidant
Bomarea
DPPH
Folin-Ciocalteau
Plant TBARS.
This work evaluated the antioxidant activity of ethanol extracts from 11 species of the genus Bomarea (Alstroemeriaceae) by means of two in vitro methods. Values of CE50 betw…
2011-09-02
Fernando Alveiro Alzate-Guarin, Jorge Andrés Gil Q., Nora del Socorro Jiménez-Úsuga, Gabriel Jaime Arango-Acosta, Bernard Weniger
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