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      Micoteca del Instituto Nacional de Higiene “Rafael Rangel”: 60 años preservando la biodiversidad fúngica de interés médico Translated title: Fungal collection of the National Institute of Hygiene “Rafael Rangel”: 60 years preserving fungal biodiversity of medical interest in Venezuela

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          Abstract

          La Micoteca del Instituto Nacional de Higiene “Rafael Rangel” (INHRR) fue creada en el año 1955 y es la colección de hongos microscópicos autóctonos más grande y representativa del país. Cuenta con 2.500 cepas pertenecientes a 77 géneros y 165 especies de hongos y actinomicetos, de importancia médica, epidemiológica, industrial e histórica, preservados por duplicado bajo los métodos de agua por Castellani y aceite mineral. La colección tiene presencia a nivel internacional a través del catálogo y la página web del Centro Venezolano de Colecciones de Microorganismos (CVCM), que a su vez está afiliada a la Federación Mundial de Colecciones de Cultivos (WFCC). Además, a través de su membresía a la Federación Latinoamericana de Colecciones de Cultivos (FELACC), sus datos están disponibles en la página web de la Asociación Argentina de Microbiología (AAM). La conservación de hongos microscópicos es fundamental, debido a su importancia en el funcionamiento de los ecosistemas y a su impacto en la vida del hombre. Esta Micoteca garantiza la preservación ex situ de la biodiversidad fúngica. Sus características la consolidan como una unidad cónsona con las exigencias de los ámbitos científico, tecnológico y docente, para el desarrollo de investigaciones científicas, particularmente en el área de medicina.

          Translated abstract

          The fungal collection (Mycothec) of the National Institute of Hygiene “Rafael Rangel” (INHRR) was created in 1,955 and is the largest and more representative collection of the country’s indigenous microscopic fungi. It has 2,500 strains belonging to 77 genera and 165 species of fungi and actinomycetes retaining medical, epidemiological, industrial and historical importance, preserved by duplicate under water by Castellani and mineral oil methods. The collection has international presence through the catalog and the website of the Venezuelan Center of Microorganism Collections (CVCM), which in turn belongs to the World Federation of Culture Collections (WFCC). In addition, through its membership to the Latin American Federation of Culture Collections (FELACC) the data are accessible on the website of the Argentinian Association of Microbiology (AAM). The conservation of microscopic fungi is essential, due to its importance in the ecosystems functioning and their impact on human life. This Mycothec guarantee the ex situ conservation of fungal biodiversity. Its characteristics consolidate it as a consonant unit with the requirements of scientific, technological, and educational areas for the development of scientific research, particularly in the medicine area.

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          Fungal Diversity Revisited: 2.2 to 3.8 Million Species.

          The question of how many species of Fungi there are has occasioned much speculation, with figures mostly posited from around half a million to 10 million, and in one extreme case even a sizable portion of the spectacular number of 1 trillion. Here we examine new evidence from various sources to derive an updated estimate of global fungal diversity. The rates and patterns in the description of new species from the 1750s show no sign of approaching an asymptote and even accelerated in the 2010s after the advent of molecular approaches to species delimitation. Species recognition studies of (semi-)cryptic species hidden in morpho-species complexes suggest a weighted average ratio of about an order of magnitude for the number of species recognized after and before such studies. New evidence also comes from extrapolations of plant:fungus ratios, with information now being generated from environmental sequence studies, including comparisons of molecular and fieldwork data from the same sites. We further draw attention to undescribed species awaiting discovery in biodiversity hot spots in the tropics, little-explored habitats (such as lichen-inhabiting fungi), and material in collections awaiting study. We conclude that the commonly cited estimate of 1.5 million species is conservative and that the actual range is properly estimated at 2.2 to 3.8 million. With 120,000 currently accepted species, it appears that at best just 8%, and in the worst case scenario just 3%, are named so far. Improved estimates hinge particularly on reliable statistical and phylogenetic approaches to analyze the rapidly increasing amount of environmental sequence data.
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            Maintenance and cultivation of the common pathogenic fungi of man in sterile distilled water: Further researches

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              Memoria y Cuenta

              (1958)
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                Author and article information

                Contributors
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                Journal
                rsvm
                Revista de la Sociedad Venezolana de Microbiología
                Rev. Soc. Ven. Microbiol.
                Organo Oficial de la Sociedad Venezolana de Microbiología.
                1315-2556
                November 2015
                : 35
                : 1
                : 13-16
                Article
                S1315-25562015000100003
                84b5ddf1-a1ae-42c6-a1df-731c0a7cf05b

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Venezuela

                Self URI (journal page): http://www.scielo.org.ve/scielo.php?script=sci_serial&pid=1315-2556&lng=en
                Categories
                MICROBIOLOGY

                Microbiology & Virology
                fungal collection,mycothec,fungi,ex situ preservation,colección de cultivos de hongos,micoteca,hongos,preservación ex situ

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