Biochemical and histochemical aspects of lead exposure in dragonfly larvae (Odonata: Anisoptera)
The effects of lead exposure on the oxidative properties of different organs of dragonfly larvae (advanced instars) (Odonata: Anisoptera) were estimated by biochemical and histochemical methods. The lead load of the water was 20 μg/liter during 6 weeks at a temperature of 15°C and a normal diurnal r...
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| Veröffentlicht in: | Ecotoxicology and environmental safety 1986-06, Vol.11 (3), p.308-319 |
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| container_title | Ecotoxicology and environmental safety |
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| creator | Meyer, W. Harisch, G. Sagredos, A.N. |
| description | The effects of lead exposure on the oxidative properties of different organs of dragonfly larvae (advanced instars) (Odonata: Anisoptera) were estimated by biochemical and histochemical methods. The lead load of the water was 20 μg/liter during 6 weeks at a temperature of 15°C and a normal diurnal rhythm. Lead was not accumulated in the brain, but in considerable amounts in the midgut, fat body, rectum, and cuticula of the test animals, while the control larvae showed astonishing concentrations of the heavy metal in the cuticula. The activities of the oxidative enzymes studied were significantly lowered only in the brain. Histochemically, lead could be visualized in all the organ tissues, apart from the brain, of the test animals, the controls exhibiting lead only in the cuticula. The enzyme histochemical evaluation of succinic dehydrogenase demonstrated typical changes of reaction intensities within the organs of the test animals, as compared to the controls. The results obtained are discussed in view of the specific biology of the tested animals and their normal biotope. |
| doi_str_mv | 10.1016/0147-6513(86)90104-1 |
| format | Article |
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The lead load of the water was 20 μg/liter during 6 weeks at a temperature of 15°C and a normal diurnal rhythm. Lead was not accumulated in the brain, but in considerable amounts in the midgut, fat body, rectum, and cuticula of the test animals, while the control larvae showed astonishing concentrations of the heavy metal in the cuticula. The activities of the oxidative enzymes studied were significantly lowered only in the brain. Histochemically, lead could be visualized in all the organ tissues, apart from the brain, of the test animals, the controls exhibiting lead only in the cuticula. The enzyme histochemical evaluation of succinic dehydrogenase demonstrated typical changes of reaction intensities within the organs of the test animals, as compared to the controls. The results obtained are discussed in view of the specific biology of the tested animals and their normal biotope.</description><identifier>ISSN: 0147-6513</identifier><identifier>EISSN: 1090-2414</identifier><identifier>DOI: 10.1016/0147-6513(86)90104-1</identifier><identifier>PMID: 3720622</identifier><identifier>CODEN: EESADV</identifier><language>eng</language><publisher>San Diego, CA: Elsevier Inc</publisher><subject>ACTIVIDAD ENZIMATICA ; ACTIVITE ENZYMATIQUE ; Animals ; AQUATIC ORGANISMS ; BIOCHEMISTRY ; Biochemistry. Physiology. Immunology ; BIOCHIMIE ; Biological and medical sciences ; BIOQUIMICA ; ENERGY METABOLISM ; ENVENENAMIENTO ; Enzymes - metabolism ; ENZYMIC ACTIVITY ; Freshwater ; Fundamental and applied biological sciences. Psychology ; Histocytochemistry ; Insecta ; Insecta - metabolism ; INTOXICATION ; Invertebrates ; Larva ; LARVAE ; LARVAS ; LARVE ; LEAD ; Lead - metabolism ; Lead - toxicity ; METABOLISME ENERGETIQUE ; METABOLISMO ENERGETICO ; ODONATA ; ORGANISME AQUATIQUE ; ORGANISMOS ACUATICOS ; Oxidation-Reduction ; Physiology. 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The lead load of the water was 20 μg/liter during 6 weeks at a temperature of 15°C and a normal diurnal rhythm. Lead was not accumulated in the brain, but in considerable amounts in the midgut, fat body, rectum, and cuticula of the test animals, while the control larvae showed astonishing concentrations of the heavy metal in the cuticula. The activities of the oxidative enzymes studied were significantly lowered only in the brain. Histochemically, lead could be visualized in all the organ tissues, apart from the brain, of the test animals, the controls exhibiting lead only in the cuticula. The enzyme histochemical evaluation of succinic dehydrogenase demonstrated typical changes of reaction intensities within the organs of the test animals, as compared to the controls. The results obtained are discussed in view of the specific biology of the tested animals and their normal biotope.</description><subject>ACTIVIDAD ENZIMATICA</subject><subject>ACTIVITE ENZYMATIQUE</subject><subject>Animals</subject><subject>AQUATIC ORGANISMS</subject><subject>BIOCHEMISTRY</subject><subject>Biochemistry. Physiology. Immunology</subject><subject>BIOCHIMIE</subject><subject>Biological and medical sciences</subject><subject>BIOQUIMICA</subject><subject>ENERGY METABOLISM</subject><subject>ENVENENAMIENTO</subject><subject>Enzymes - metabolism</subject><subject>ENZYMIC ACTIVITY</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Histocytochemistry</subject><subject>Insecta</subject><subject>Insecta - metabolism</subject><subject>INTOXICATION</subject><subject>Invertebrates</subject><subject>Larva</subject><subject>LARVAE</subject><subject>LARVAS</subject><subject>LARVE</subject><subject>LEAD</subject><subject>Lead - metabolism</subject><subject>Lead - toxicity</subject><subject>METABOLISME ENERGETIQUE</subject><subject>METABOLISMO ENERGETICO</subject><subject>ODONATA</subject><subject>ORGANISME AQUATIQUE</subject><subject>ORGANISMOS ACUATICOS</subject><subject>Oxidation-Reduction</subject><subject>Physiology. 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Development</topic><topic>PLOMB</topic><topic>PLOMO</topic><topic>POISONING</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Meyer, W.</creatorcontrib><creatorcontrib>Harisch, G.</creatorcontrib><creatorcontrib>Sagredos, A.N.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Ecotoxicology and environmental safety</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Meyer, W.</au><au>Harisch, G.</au><au>Sagredos, A.N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Biochemical and histochemical aspects of lead exposure in dragonfly larvae (Odonata: Anisoptera)</atitle><jtitle>Ecotoxicology and environmental safety</jtitle><addtitle>Ecotoxicol Environ Saf</addtitle><date>1986-06-01</date><risdate>1986</risdate><volume>11</volume><issue>3</issue><spage>308</spage><epage>319</epage><pages>308-319</pages><issn>0147-6513</issn><eissn>1090-2414</eissn><coden>EESADV</coden><abstract>The effects of lead exposure on the oxidative properties of different organs of dragonfly larvae (advanced instars) (Odonata: Anisoptera) were estimated by biochemical and histochemical methods. The lead load of the water was 20 μg/liter during 6 weeks at a temperature of 15°C and a normal diurnal rhythm. Lead was not accumulated in the brain, but in considerable amounts in the midgut, fat body, rectum, and cuticula of the test animals, while the control larvae showed astonishing concentrations of the heavy metal in the cuticula. The activities of the oxidative enzymes studied were significantly lowered only in the brain. Histochemically, lead could be visualized in all the organ tissues, apart from the brain, of the test animals, the controls exhibiting lead only in the cuticula. The enzyme histochemical evaluation of succinic dehydrogenase demonstrated typical changes of reaction intensities within the organs of the test animals, as compared to the controls. The results obtained are discussed in view of the specific biology of the tested animals and their normal biotope.</abstract><cop>San Diego, CA</cop><pub>Elsevier Inc</pub><pmid>3720622</pmid><doi>10.1016/0147-6513(86)90104-1</doi><tpages>12</tpages></addata></record> |
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| ispartof | Ecotoxicology and environmental safety, 1986-06, Vol.11 (3), p.308-319 |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | ACTIVIDAD ENZIMATICA ACTIVITE ENZYMATIQUE Animals AQUATIC ORGANISMS BIOCHEMISTRY Biochemistry. Physiology. Immunology BIOCHIMIE Biological and medical sciences BIOQUIMICA ENERGY METABOLISM ENVENENAMIENTO Enzymes - metabolism ENZYMIC ACTIVITY Freshwater Fundamental and applied biological sciences. Psychology Histocytochemistry Insecta Insecta - metabolism INTOXICATION Invertebrates Larva LARVAE LARVAS LARVE LEAD Lead - metabolism Lead - toxicity METABOLISME ENERGETIQUE METABOLISMO ENERGETICO ODONATA ORGANISME AQUATIQUE ORGANISMOS ACUATICOS Oxidation-Reduction Physiology. Development PLOMB PLOMO POISONING |
| title | Biochemical and histochemical aspects of lead exposure in dragonfly larvae (Odonata: Anisoptera) |
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