The extracellular acid phosphatase of the mosquito-parasitizing fungus Lagenidium giganteum

The mosquito-parasitizing fungus Lagenidium giganteum secreted a soluble acid phosphatase and β- d-glucosidase into the growth medium. The acid phosphatase was isolated and purified to single component, and some of its physicochemical properties were determined. The enzyme exhibited a pH optimum of...

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Veröffentlicht in:Journal of invertebrate pathology 1989-11, Vol.54 (3), p.306-313
Hauptverfasser: Bell, T.J., Lee, B., Domnas, A.J.
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container_title Journal of invertebrate pathology
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creator Bell, T.J.
Lee, B.
Domnas, A.J.
description The mosquito-parasitizing fungus Lagenidium giganteum secreted a soluble acid phosphatase and β- d-glucosidase into the growth medium. The acid phosphatase was isolated and purified to single component, and some of its physicochemical properties were determined. The enzyme exhibited a pH optimum of 5.6 in phthalate buffer with p-nitrophenyl phosphate and was temperature-inactivated at 55°C. Enzyme activity seems to be limited to phenyl-phosphate substrates. A molecular weight of 42,800 was found and the amino acid content was also determined. A K m for p-nitrophenyl phosphate of 1.6 × 10 −7 m was found. The possible involvement of the enzyme in the infective process was discussed.
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Psychology</topic><topic>HONGOS ENTOMOGENOS</topic><topic>Insecta</topic><topic>INSECTE NUISIBLE</topic><topic>INSECTOS DANINOS</topic><topic>Invertebrates</topic><topic>Kinetics</topic><topic>Lagenidium giganteum</topic><topic>LUTTE ANTI-PARASITE</topic><topic>Oomycetes - enzymology</topic><topic>PARASITE</topic><topic>PARASITES</topic><topic>PARASITOS</topic><topic>PATHOGENICITY</topic><topic>Pathology</topic><topic>PEST CONTROL</topic><topic>PEST INSECTS</topic><topic>PHOSPHATASE ACIDE</topic><topic>Plant physiology and development</topic><topic>PODER PATOGENO</topic><topic>POUVOIR PATHOGENE</topic><topic>PURIFICACION</topic><topic>PURIFICATION</topic><topic>Substrate Specificity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bell, T.J.</creatorcontrib><creatorcontrib>Lee, B.</creatorcontrib><creatorcontrib>Domnas, A.J.</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>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biochemistry Abstracts 3</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of invertebrate pathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bell, T.J.</au><au>Lee, B.</au><au>Domnas, A.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The extracellular acid phosphatase of the mosquito-parasitizing fungus Lagenidium giganteum</atitle><jtitle>Journal of invertebrate pathology</jtitle><addtitle>J Invertebr Pathol</addtitle><date>1989-11-01</date><risdate>1989</risdate><volume>54</volume><issue>3</issue><spage>306</spage><epage>313</epage><pages>306-313</pages><issn>0022-2011</issn><eissn>1096-0805</eissn><coden>JIVPAZ</coden><abstract>The mosquito-parasitizing fungus Lagenidium giganteum secreted a soluble acid phosphatase and β- d-glucosidase into the growth medium. The acid phosphatase was isolated and purified to single component, and some of its physicochemical properties were determined. The enzyme exhibited a pH optimum of 5.6 in phthalate buffer with p-nitrophenyl phosphate and was temperature-inactivated at 55°C. Enzyme activity seems to be limited to phenyl-phosphate substrates. A molecular weight of 42,800 was found and the amino acid content was also determined. A K m for p-nitrophenyl phosphate of 1.6 × 10 −7 m was found. The possible involvement of the enzyme in the infective process was discussed.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><pmid>2572649</pmid><doi>10.1016/0022-2011(89)90114-6</doi><tpages>8</tpages></addata></record>
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subjects ACID PHOSPHATASE
Acid Phosphatase - antagonists & inhibitors
Acid Phosphatase - metabolism
Amino Acids - analysis
Animals
Biological and medical sciences
Cell biochemistry
Cell physiology
CHAMPIGNON ENTOMOGENE
Chytridiomycota - enzymology
CONTROL DE PLAGAS
Culicidae
Culicidae - microbiology
DIPTERA
ENTOMOGENOUS FUNGI
enzymes
EPURATION
exocellular acid phosphatase
FOSFATASA ACIDA
Fundamental and applied biological sciences. Psychology
HONGOS ENTOMOGENOS
Insecta
INSECTE NUISIBLE
INSECTOS DANINOS
Invertebrates
Kinetics
Lagenidium giganteum
LUTTE ANTI-PARASITE
Oomycetes - enzymology
PARASITE
PARASITES
PARASITOS
PATHOGENICITY
Pathology
PEST CONTROL
PEST INSECTS
PHOSPHATASE ACIDE
Plant physiology and development
PODER PATOGENO
POUVOIR PATHOGENE
PURIFICACION
PURIFICATION
Substrate Specificity
title The extracellular acid phosphatase of the mosquito-parasitizing fungus Lagenidium giganteum
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