1969
DOI: 10.1083/jcb.43.2.275
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Cytochemical Localization of Peroxidatic Activity of Catalase in Rat Hepatic Microbodies (Peroxisomes)

Abstract: Prominent staining of rat hepatic microbodies was obtained by incubating sections of aldehyde-fixed rat liver in a modified Graham and Karnovsky's medium for ultrastructural demonstration of peroxidase activity . The electron-opaque reaction product was deposited uniformly over the matrix of the microbodies . The microbodies were identified by their size, shape, presence of tubular nucleoids, and other morphologic characteristics, and by their relative numerical counts . The staining reaction was inhibited by … Show more

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Cited by 275 publications
(117 citation statements)
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“…This non-specificity can be a problem because catalase, peroxidase and cytochrome c oxidase may occur together within the same organelle (Diemann et al 1991). To unequivocally identify a catalase, a specific inhibitor such as aminotriazole, dichlorophenol, potassium cyanide or sodium azide (Fahimi 1969) should be used. The activity of catalase in glycosomes of the Kinetoplastida is variable and has been detected in several parasites including Phytomonas spp.…”
Section: Discussionmentioning
confidence: 99%
“…This non-specificity can be a problem because catalase, peroxidase and cytochrome c oxidase may occur together within the same organelle (Diemann et al 1991). To unequivocally identify a catalase, a specific inhibitor such as aminotriazole, dichlorophenol, potassium cyanide or sodium azide (Fahimi 1969) should be used. The activity of catalase in glycosomes of the Kinetoplastida is variable and has been detected in several parasites including Phytomonas spp.…”
Section: Discussionmentioning
confidence: 99%
“…The ontogeny of renal peroxisomes has been characterized by electron microscopy (Goeckermann and Vigil 1975;Larsson and Maunsbach 1975;Brière 1986;Stefanini et al 1994) employing the alkaline diaminobenzidine (DAB) reaction to identify the peroxisomes by detecting the peroxidatic activity of catalase, a marker enzyme for the peroxisome (Fahimi 1969). The biogenesis of peroxisomes in general has recently been examined at the molecular and protein levels (Lazarow et al 1996).…”
mentioning
confidence: 99%
“…Concretamente, la catalasa utiliza H 2 O 2 para oxidar substratos. En esta técnica, el DAB es oxidado por la catalasa en presencia de H 2 O 2 dando lugar a DAB oxidado (Fahimi, 1968;1969;Novikoff y Goldfischer, 1969), que por la fijación con OsO 4 produce un precipitado negro cuya visualización es posible mediante microscopía óptica e indica la posición de cada peroxisoma en las células (figura 38.A). El conteo de los peroxisomas marcados con DAB fue realizado en secciones semifinas de hojas mediante microscopía óptica.…”
Section: Tinción Citoquímica De Los Peroxisomas Con 33´-diaminobenziunclassified
“…Para ello, se determino el área de los peroxisomas en secciones ultrafinas visualizadas con microscopía electrónica de transmisión en las que aparecían teñidos de negro. Esta tinción marcó específicamente peroxisomas ya que la reacción utilizando el compuesto 3-amino-1,2,4-triazol (AT), inhibidor de la catalasa (Fahimi, 1968;1969;Novikoff y Goldfischer, 1969), no produjo tinción de estos orgánulos (figura 39.A). Paralelamente, con el fin de poder establecer diferencias entre efectos específicos sobre peroxisomas o comunes a otros orgánulos, se analizó en las mismas muestras el área de las mitocondrias.…”
Section: Tamaño De Los Peroxisomas En Respuesta a Cfb Herida Y Jaunclassified
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