RIUNNE Repositorio Institucional de la Universidad Nacional del Nordeste: Envíos recientes
Mostrando ítems 1-20 de 15876
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La encomienda paraguaya : pueblos de indios en el siglo XVII. Población, familia y trabajo
(Asociación Nacional de Investigadores y Profesores de Historia de las Américas, 2019)En este artículo nos ocuparemos de abordar aspectos referidos a la población indígena sometida a la encomienda en el período colonial, centrándonos en el siglo XVII en la región que denominamos Nordeste de la gobernación ... -
La población indígena en el nordeste del espacio rioplatense según la mirada de los gobernadores en la primera mitad del siglo XVII
(Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Humanas. Instituto de Estudios Histórico-Sociales "Prof. Juan Carlos Grosso", 2023)El artículo analiza la política implementada por algunos de los gobernadores de Buenos Aires y Paraguay respecto a la población indígena sometida en los espacios más distantes del centro gubernamental. Se pretende ... -
Reclamos y multas en pueblos de indios : la visita de Garabito de León a Corrientes. Río de la Plata, 1649-1653
(OpenEdition Journals, 2014)Tomando como referencia principal la visita del oidor Andrés Garabito de León a mediados del siglo XVII, se caracteriza a las encomiendas de la ciudad de Corrientes y a algunos de los pueblos de indios pertenecientes a ... -
How important was polyploidy in the diversification of herbs in the chaquean domain? The case of the Turnera sidoides autopolyploid complex (Passifloraceae : urneroideae)
(Wiley Blackwell Publishing, Inc, 2022)The evolutionary processes that shape the unique biodiversity of the Neotropical Chaquean Domain are still poorly understood, and choosing an appropriate model to address evolutionary questions is essential for understanding ... -
Uniparentality : advantages for range expansion in diploid and diploid-autopolyploid species
(Wiley Blackwell Publishing, Inc, 2022)Uniparental reproduction, the capacity of an individual to produce offspring autonomously, is expected to facilitate range expansion of populations. Paspalum spp. reproduce uniparentally by sexual (self-fertility) and ... -
Genome size evolution in Sapindaceae at subfamily level : a case study of independence in relation tokaryological and palynological traits
(Wiley Blackwell Publishing, Inc, 2014)Sapindaceae s.l. is a moderately large family of trees, shrubs and lianas. Current knowledge on genome size and how it varies in this family is scarce. This research aims to characterize the DNA content in 39 species ... -
Phylogenetics of Gratioleae (Plantaginaceae) : paraphyly of Stemodia and its implications for generic circumscriptions, with insights from floral evolution
(Wiley Blackwell Publishing, Inc, 2022)Gratioleae are the most species-rich tribe of Plantaginaceae in the tropics, spanning c. 30 genera and > 300 species, with a wide range of morphological variation and ecological strategies. As a first effort towards a ... -
A new species of Schizachyrium (Poaceae-Andropogoneae) from Brazil
(Wiley Blackwell Publishing, Inc, 2006)A new Brazilian species, Schizachyrium hatschbachii Peichoto, is described and illustrated. It is restricted to southern Brazil, where it grows in grasslands. Diagnostic characters, description, detailed illustration ... -
New data for palaeoclimatic reconstructions in the upper/middle Uruguay river basin : caesalpinioid Fabaceae woods in the Late Pleistocene
(Wiley Blackwell Publishing, Inc, 2022)The El Palmar Formation is the principal unit deposited during the Late Pleistocene by the Uruguay River in eastern Entre Ríos province, Argentina and north-western Uruguay. The Arroyo Yuquerí fossiliferous locality ... -
Insights into the morphology and evolution of orbicules in the Spermacoce clade (Spermacoceae-Rubiaceae) and implications for systematics
(Wiley Blackwell Publishing, Inc, 2023)The orbicules are tiny structures of sporopollenin that occur on the interior wall of anthers in several groups of plants, and they are associated with pollen grains and tapetal cells. Although their function remains still ... -
Gynoecium structure and pollen tube pathway in the cactus family with emphasis on tribe Trichocereeae (Cactaceae: Cactoideae)
(Wiley Blackwell Publishing, Inc, 2023)The structural details of the gynoecium are key to understanding the reproductive systems and successful diversification of flowering plants. However, the gynoecium morpho-anatomy in South American species of Cactaceae ... -
Carpellary appendages in Nymphaea and Victoria (Nymphaeaceae) : evidence of their role as osmophores based on morphology, anatomy and ultrastructure
(Wiley Blackwell Publishing, Inc, 2019)In flowers of Nymphaea and Victoria, carpellary appendages are regarded as structures related to pollination by deceit of night-blooming species. In this study, the anatomy, histochemistry and ultrastructure of carpellary ... -
The evolution of chromosome number during the diversification of the tribe Vernonieae (Asteraceae)
(Wiley Blackwell Publishing, Inc, 2022)Changes in chromosome number have played an important role in the diversification and evolution of angiosperms. In Asteraceae, tribe Vernonieae are one of the most variable groups with regard to chromosome number. ... -
Políticas culturales impulsadas por sus propios actores : el caso del coro qom Chelaalapí
(Universidad Nacional del Nordeste. Facultad de Artes, Diseño y Ciencias de la Cultura, 2024-12)Con este trabajo, abordaremos un análisis para poder reflexionar como los actores principales del coro Qom podríamos considerarlos como gestores o hacedores culturales desde una perspectiva intercultural. Además, analizaremos ... -
Systemic pathological alterations caused by Philodryas patagoniensis colubrid snake venom in rats
(Elsevier, 2006-10)Very little is known about the systemic effects caused by Philodryas patagoniensis colubrid snake venom. In this work, this venom was tested for its ability to induce histopathological changes in rats after its intramuscular, ... -
Muscle and skin necrotizing and edema-forming activities of Duvernoy’s gland secretion of the xenodontine colubrid snake Philodryas patagoniensis from the North-east of Argentina
(Elsevier, 2004-11)Philodryas patagoniensis is a colubrid snake spread throughout South America, but very little is known about the composition and biological activities of its Duvernoy’s gland secretion. In order to characterize it, we ... -
Neutralisation of the pharmacological activities of Bothrops alternatus venom by anti-PLA2 IgGs
(Elsevier, 2014-08)Basic phospholipases A2 (PLA2) are toxic and induce a wide spectrum of pharmacological effects, although the acidic enzyme types are not lethal or cause low lethality. Therefore, it is challenging to elucidate the mechanism ... -
Effect of monospecific antibodies against baltergin in myotoxicity induced by Bothrops alternatus venom from northeast of Argentina. Role of metalloproteinases in muscle damage
(Elsevier, 2013-03-03)Myotoxicity, one of the most relevant local manifestations in envenomation by Bothrops genus, may result from a direct action of myotoxins or be due to an indirect vascular degeneration and ischemia. Baltergin, a snake ... -
Corrigendum to “CpG-ODN formulated with a nanostructure as adjuvant for anticrotalic serum production. Studies in mice” [Toxicon 215 (2022) 28–36]
(Elsevier, 2022-09-25)Antivenom is the only safe and effective treatment to neutralize snake venom. Specific anti-venom used to treat snake bite is usually obtained from horses after hyperimmunization with crude snake venom in combination ... -
Fast venomic analysis of Crotalus durissus terrificus from northeastern Argentina
(Elsevier, 2020-09-09)The complete knowledge of the toxins that make up venoms is the base for the treatment of snake accidents victims and the selection of specimens for the preparation of venom pools for antivenom production. In this work, ...
