2025
Aurora Guizado-Batista, Seiling Vargas-Villalobos, Manuel Spínola Parallada, Denis Salas-Gonzalez, Andrea Porres-Camacho, Manuel Cortez-Martínez, Francisco Quesada-Alvarado, Rodolfo Umaña-Castro, Carolina Sancho-Blanco, Frank Solano-Campos, Alexander Madrigal-Mora, Jenny Villalobos-Sequeira, Josmari Medrano-Lozano, Kinndle Blanco-Peña. 2025. Pesticide contamination and antimicrobial resistance: Two threats to the Neotropical Otter (Lontra longicaudis) in the Peñas Blancas River Basin, Costa Rica, Environmental Toxicology and Pharmacology. https://doi.org/10.1016/j.etap.2025.104743">https://doi.org/10.1016/j.etap.2025.104743.
Baeza, J. A., Umaña-Castro, R., Behringer, D. C., & Castillo, A. (2025). A cryptic species of the nemertean egg predator Carcinonemertes conanobrieni (Simpson et al., 2017) detected using a barcoding approach infects the Caribbean spiny lobster Panulirus argus (Latreille, 1804) in the southwestern Caribbean Sea. Mitochondrial DNA Part A, 1–6. https://doi.org/10.1080/24701394.2025.2499461">https://doi.org/10.1080/24701394.2025.2499461
2024
Alfaro-Montoya, J., Umaña-Castro, R., Braga, A., Ramírez-Ugalde, A., Valenciano-Araya, N., & Saénz-Arce, G. (2024). Structure and sexual dimorphism of the first antennae in Penaeus vannamei, Boone, 1931. Invertebrate Reproduction & Development, 1-8. https://doi.org/10.1080/07924259.2024.2410035">https://doi.org/10.1080/07924259.2024.2410035
Carranza-Quirós, A., Solano-Campos, F., Carvajal-Oses, M., Chacón-Guzmán, J., Navarrete, P., Reinoso, S., & Umaña-Castro, R. (2024). Microbial diversity and community structure of microalgae (Nannochloropsis oculata) and rotifer (Brachionus plicatilis) in aquaculture by 16S rRNA amplicon-based sequencing. Antonie van Leeuwenhoek, 118(2), 44.https://doi.org/10.1007/s10482-024-02053-w">https://doi.org/10.1007/s10482-024-02053-w
Guizado-Batista, A., Porres-Camacho, A., Vargas-Villalobos, S., Cortez-Martínez, M., Umaña-Castro, R., Sancho-Blanco, C. & Blanco-Peña, K. (2024). Antimicrobial-resistant genes in feces from otters (Lontra longicaudis) within the Peñas Blancas river basin, Costa Rica. Heliyon, 10(24). 10.1016/j.heliyon.2024.e40927
Segura Valverde, A., Sancho Blanco, C., Blanco Peña, K., & Solano González, S. (2024, August). Molecular comparison of ergosterol biosynthesis pathway related genes to explore azole resistance in environmental fungal isolates from Costa Rican mangrove. In ISEE Conference Abstracts (Vol. 2024, No. 1). https://doi.org/10.1289/isee.2024.0817">https://doi.org/10.1289/isee.2024.0817
Quesada-Ávila, I., Alfaro-Montoya, J., Umaña-Castro, R., Braga, A., Ramírez-Alvarado, M., Ventura, T., 2024. Serotonin plus spiperone induce ovarian maturation, spawning and potential release of ovarian maturation inducing pheromones in the Pacific white shrimp Litopenaeus vannamei (Penaeidae). Aquaculture Reports. https://doi.org/10.1016/j.aqrep.2024.10225">https://doi.org/10.1016/j.aqrep.2024.10225
2023
Estrada-Gamboa, J, Umaña-Castro, R, Sancho Blanco, C, Orozco-Aceves, M. 2023. Aislamiento, identificación y caracterización de cepas bacterianas con potencial de degradación de los plaguicidas clorotalonil y clorpirifos. UNICIENCIA. 37(1), 1-16. https://doi.org/10.15359/ru.37-1.26">https://doi.org/10.15359/ru.37-1.26
2022
Sancho-Blanco, C., Jiménez-Alfaro, E. J., Molina-Bravo, R., & Umaña-Castro, R. (2022). Incubación, pre-lisis y post-purificación en el rendimiento y pureza de ácidos nucleicos extraídos de sangre de cabras domésticas contenida en tarjetas FTA. Revista Mexicana de Ciencias Pecuarias, 13(1), 311–322. https://doi.org/10.22319/rmcp.v13i1.5890
Sancho-Blanco, C., Salas-Arce, L. E., Alfaro-Montoya, J., Vargas-Castillo, R., Baeza, J. A., & Umaña-Castro, R. (2022). Distribución, riqueza e identificación molecular de cangrejos araña (Brachyura: Majoidea: Mithracidae) de Costa Rica. Uniciencia, 36(1), 1–15: https://doi.org/10.15359/ru.36-1.18
Leza-Leza, M., Víquez-Ruiz, E., Barquero-Calvo, E., Sancho-Blanco, C., &, Umaña-Castro, R. (2022). Optimización de técnicas de PCR para la detección de Salmonella enterica (serotipo Gallinarum) en aves de corral de Costa Rica. UNED Research Journal. II-2022 DOI: https://doi.org/10.22458/urj.v14i1.3831
2021
Sancho-Blanco, C., Hernández-Noguera, L., Vega-Alpízar, L., Soto-Rojas, R., & Umaña-Castro, R. (2021). Identificación de cuatro especies de Clupeiformes (Actinopterygii) mediante análisis de secuencias de ADN mitocondrial en zonas de explotación pesquera del Golfo de Nicoya, Costa Rica. Revista Ciencias Marinas y Costeras, 39–56. https://doi.org/10.15359/revmar.13-1.3
Oviedo-Bolaños, K., Rodríguez-Rodríguez, J. A., Sancho-Blanco, C., Barquero-Chanto, J. E., Peña-Navarro, N., Escobedo-Bonilla, C. M., & Umaña-Castro, R. (2021). Molecular identification of streptococcus sp. and antibiotic resistance genes present in tilapia farms (Oreochromis niloticus) from the Northern Pacific Region, Costa Rica. Aquaculture International, 29(5), 2337–2355. https://doi.org/10.1007/s10499-021-00751-0
2020
Oviedo-Bolaños, K., García-González, J., Solano-González, S., Martínez-Debat, C., Sancho-Blanco, C., & Umaña-Castro, R. 2020. Detección del promotor 35S mediante PCR tiempo-real: indicador de transgenicidad en alimentos y Gossypium sp. Agronomía Mesoamericana, 31(1) 209-221. https://doi.org/10.15517/am.v31i1.37151
Iglesias Rodríguez, M.V., Umaña Castro, R., Garcia Mesa, L., Ortiz Guilarte, E., Núñez Moreira, R., Álvarez Valcárcel, C., Lugioyo Gallardo, G.M. (2020). Caracterización fenotípica y molecular, e influencia de medios de cultivo, en el crecimiento y emisión de luz de bacterias del litoral de La Habana, Cuba. Revista de Biología Tropical, 68(4), 1298-1310. http://dx.doi.org/10.15517/rbt.v68i4.41269
2019
Baeza, J.A; Umaña-Castro, R & Mejías-Ortiz, J.L. 2019. Historical demography of the Caribbean spiny lobster Panulirus argus in the Florida Keys using genotype-by-sequencing derived SNPs. Journal of Crustacean Biology. 39(4): 378–385. https://doi.org/10.1093/jcbiol/ruz019
J Antonio Baeza, Daniel Holstein, Rodolfo Umaña-Castro and Luis M. Mejía-Ortíz. 2019. Population genetics and biophysical modeling inform metapopulation connectivity of the Caribbean king crab Maguimithrax spinosissimus. Marine Ecology Progress Series. 610: 83– 97. https://doi.org/10.3354/meps12842
Alfaro-Montoya, J., Braga, A., & Umaña-Castro, R. 2019. Research frontiers in penaeid shrimp reproduction: Future trends to improve commercial production. Aquaculture. 503,70-87 https://doi.org/10.1016/j.aquaculture.2018.12.068
2018
Identificación molecular y distribución potencial del anfípodo terrestre Talitroides topitotum (Crustacea:Amphipoda:Talitridae) en Costa Rica Umaña-Castro,Rodolfo et al. Acta Biológica Colombiana (2018),23(1):104 http://dx.doi.org/10.15446/abc.v23n1.65335
Isolation and characterization of partial insulin-like androgenic gland hormone gene from distal terminal ampoule of three marine shrimp Litopenaeus species from the Eastern Pacific. Latin American Journal of Aquatic Research 46 (2) 2018. http://dx.doi.org/10.3856/vol46-issue2-fulltext-21
2017
Jose Luis Vega-Alpízar, Jorge Alfaro-Montoya, Luís Hernández-Noguera, Rodolfo Umaña-Castro, Eliahu D. Aflalo, Amir Sagi. Implant recognition and gender expression following ampoule-androgenic gland implantation in Litopenaeus vannamei females (Penaeidae), Aquaculture, Volume 468, Part 1, 2017. https://doi.org/10.1016/j.aquaculture.2016.11.007
Avances biotecnológicos sobre maricultura en Costa Rica. 2017. Una revisión de la investigación desarrollada en la Escuela de Ciencias Biológicas de la Universidad Nacional. UNICIENCIA, (3), 119, 2017. DOI: http://dx.doi.org/10.15359/ru.31-2.8
Artavia-León, A., Romero-Guerrero, A., Sancho-Blanco, C., Rojas, N., & Umaña-Castro, R. (2017). Diversity of Aerobic Bacteria Isolated from Oral and Cloacal Cavities from Free-Living Snakes Species in Costa Rica Rainforest. International scholarly research notices, 2017, 8934285. https://doi.org/10.1155/2017/8934285