Ray-finned fishes (Actinopterygii) from the Upper Jurassic (Oxfordian) of the Atacama Desert, Northern Chile [PDF]
PeerJ, 2022 This contribution presents novel records of ray-finned fishes from the Oxfordian of Cerritos Bayos, northern Chile. This includes a Pachycormiformes diversity represented by macropredatory forms (aff. Hypsocormus sp.
Rodrigo A. Otero
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Cáncer de mama en seis familias del Tolima y el Huila: mutación BRCA1 3450del4 [PDF]
Biomédica: revista del Instituto Nacional de Salud, 2020 Introducción. El cáncer de mama es un problema mundial de salud pública; entre el 5 y el 10 % de los casos presentan agregación familiar, lo que se explicaría por la presencia de mutaciones en genes de alto riesgo como el BRCA1 y el BRCA2.
Jennyfer Benavides +9 more
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Taxonomía de los hongos: un rompecabezas al que le faltan muchas piezas [PDF]
Biomédica: revista del Instituto Nacional de Salud, 2023 Los hongos son organismos polifacéticos presentes en casi todos los ecosistemas de la tierra, donde establecen diversos tipos de simbiosis con otros seres vivos. A pesar de ser reconocidos por los humanos desde la antigüedad –y de la cantidad de trabajos
Álvaro León Rúa-Giraldo
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Impact of dietary intervention and supplementation on the physiological profile of individuals with down syndrome [PDF]
Scientific ReportsDown syndrome, or trisomy 21 (T21), is a genetic neurodevelopmental disorder (NDD) often associated with various health challenges. In this population, physiological alterations remain poorly recognized, including dysregulated interactions among systems ...
Irving Hernández-Prior +5 more
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Revista Sextante, 2019 La clasificación de los organismos vivos ha sido modificada numerosas veces, debido a que algunos grupos han sido difíciles de catalogar. Actualmente se reconocen siete reinos: Animalia, Plantea, Protozoa, Fungí, Archaea, Bacteria y Chromista.
Edy Luz Monterroza +3 more
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New Paleogene records of cartilaginous fishes (Chondrichthyes) from central Chile, including the oldest lamnid diversity from the southeastern Pacific [PDF]
PeerJBackground The Paleogene chondrichthyan diversity of the southern hemisphere is mostly known in Antarctica, southernmost South America and New Zealand, but records from the southeastern Pacific remain sparse to date.
Rodrigo A. Otero
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The first embryo, the origin of cancer and animal phylogeny. I. A presentation of the neoplastic process and its connection with cell fusion and germline formation [PDF]
Frontiers in Cell and Developmental Biology, 2023 The decisive role of Embryology in understanding the evolution of animal forms is founded and deeply rooted in the history of science. It is recognized that the emergence of multicellularity would not have been possible without the formation of the first
Jaime Cofre, Kay Saalfeld
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Loancorhynchus catrillancai gen. et sp. nov., a new swordfish (Xiphioidei, Blochiidae) from the Middle Eocene of central Chile [PDF]
PeerJ, 2019 This contribution describes the skull remains of a swordfish (Perciformes, Xiphioidei), recovered from Middle Eocene beds of central Chile. Comparison with known fossil and extant xiphioids reveals derived traits only present in the Neogene swordfish ...
Rodrigo A. Otero
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Taxonomic reassessment of Hydralmosaurus as Styxosaurus: new insights on the elasmosaurid neck evolution throughout the Cretaceous [PDF]
PeerJ, 2016 Two extremely-long necked elasmosaurids, AMNH 1495, holotype of Hydralmosaurus serpentinus, and AMNH 5835, previously referred to H. serpentinus, are here reviewed in detail.
Rodrigo A. Otero
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Acta Botanica Mexicana, 2021 Antecedentes y Objetivos: Gelidium americanum se distribuye ampliamente en la costa Atlántica de México; sin embargo, hasta ahora no se han realizado estudios que confirmen su identidad taxonómica utilizando marcadores moleculares y caracteres ...
Nataly Quiroz-González +2 more
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