Effect of magnesium on the contractile behavior of actomyosin aggregates isolated from Physarum plasmodia
The dependence on calcium concentration of the contractile behavior of actomyosin isolated from Physarum plasmodia according to Kohama & Kendrick-Jones (1986) was investigated under different magnesium conditions. The inhibitory calcium sensitivity is reduced at magnesium concentrations above or...
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| Veröffentlicht in: | Cell biology international reports 1988-04, Vol.12 (4), p.245-251 |
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| creator | HARTSIOTIS, A GILGES, S HECKS, B ACHENBACH, F |
| description | The dependence on calcium concentration of the contractile behavior of actomyosin isolated from Physarum plasmodia according to Kohama & Kendrick-Jones (1986) was investigated under different magnesium conditions. The inhibitory calcium sensitivity is reduced at magnesium concentrations above or below 1 mM, i.e., contraction of actomyosin aggregates is most effectively inhibited in the presence of 1 mM calcium in combination with physiological magnesium concentrations. In the absence of calcium reactivation optimum is obtained at 8.5 mM Mg2+. |
| doi_str_mv | 10.1016/0309-1651(88)90069-0 |
| format | Article |
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The inhibitory calcium sensitivity is reduced at magnesium concentrations above or below 1 mM, i.e., contraction of actomyosin aggregates is most effectively inhibited in the presence of 1 mM calcium in combination with physiological magnesium concentrations. In the absence of calcium reactivation optimum is obtained at 8.5 mM Mg2+.</description><identifier>ISSN: 0309-1651</identifier><identifier>EISSN: 1878-240X</identifier><identifier>DOI: 10.1016/0309-1651(88)90069-0</identifier><identifier>PMID: 3401930</identifier><identifier>CODEN: CBRPDS</identifier><language>eng</language><publisher>London: Academic Press</publisher><subject>Actomyosin - physiology ; Analytical, structural and metabolic biochemistry ; Biological and medical sciences ; Calcium - pharmacology ; Contractile proteins ; Fundamental and applied biological sciences. 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The inhibitory calcium sensitivity is reduced at magnesium concentrations above or below 1 mM, i.e., contraction of actomyosin aggregates is most effectively inhibited in the presence of 1 mM calcium in combination with physiological magnesium concentrations. In the absence of calcium reactivation optimum is obtained at 8.5 mM Mg2+.</description><subject>Actomyosin - physiology</subject><subject>Analytical, structural and metabolic biochemistry</subject><subject>Biological and medical sciences</subject><subject>Calcium - pharmacology</subject><subject>Contractile proteins</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Holoproteins</subject><subject>Kinetics</subject><subject>Magnesium - pharmacology</subject><subject>Physarum - drug effects</subject><subject>Physarum - physiology</subject><subject>Proteins</subject><issn>0309-1651</issn><issn>1878-240X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0MtKxDAUBuAgyjiOvoFCFiK6qJ40aS5LGcYLDOhCwV1J07QTaZsxaYV5eyuW2bo6l__jLA5C5wRuCRB-BxRUQnhGrqW8UQBcJXCA5kQKmaQMPg7RfE-O0UmMnzDONFMzNKMMiKIwR25VVdb02Fe41XVnoxta7Dvcbyw2vuuDNr1rLC7sRn87H37huPLtzkfXYV3Xwda6txG76JuxKXEVfItfN7uow3hr2-jY-tLpU3RU6Sbas6ku0PvD6m35lKxfHp-X9-tkm3LeJykwY0XBSwEVzwxTptSUskKAUCAlUzwTheRVqhiUhkpOLFfEpqkQKStTShfo6u_uNvivwcY-b100tml0Z_0QcyEpk0CyfyHJOKGQwQgvJjgUrS3zbXCtDrt8euKYX065jkY3VdCdcXHPhCQSBKE_T5OBIg</recordid><startdate>19880401</startdate><enddate>19880401</enddate><creator>HARTSIOTIS, A</creator><creator>GILGES, S</creator><creator>HECKS, B</creator><creator>ACHENBACH, F</creator><general>Academic Press</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>M7N</scope><scope>7X8</scope></search><sort><creationdate>19880401</creationdate><title>Effect of magnesium on the contractile behavior of actomyosin aggregates isolated from Physarum plasmodia</title><author>HARTSIOTIS, A ; GILGES, S ; HECKS, B ; ACHENBACH, F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p266t-204ce7b6d70f65c49cda334b707908849657b86f2940dc3861e691e227724d233</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><topic>Actomyosin - physiology</topic><topic>Analytical, structural and metabolic biochemistry</topic><topic>Biological and medical sciences</topic><topic>Calcium - pharmacology</topic><topic>Contractile proteins</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Holoproteins</topic><topic>Kinetics</topic><topic>Magnesium - pharmacology</topic><topic>Physarum - drug effects</topic><topic>Physarum - physiology</topic><topic>Proteins</topic><toplevel>online_resources</toplevel><creatorcontrib>HARTSIOTIS, A</creatorcontrib><creatorcontrib>GILGES, S</creatorcontrib><creatorcontrib>HECKS, B</creatorcontrib><creatorcontrib>ACHENBACH, F</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>MEDLINE - Academic</collection><jtitle>Cell biology international reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HARTSIOTIS, A</au><au>GILGES, S</au><au>HECKS, B</au><au>ACHENBACH, F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of magnesium on the contractile behavior of actomyosin aggregates isolated from Physarum plasmodia</atitle><jtitle>Cell biology international reports</jtitle><addtitle>Cell Biol Int Rep</addtitle><date>1988-04-01</date><risdate>1988</risdate><volume>12</volume><issue>4</issue><spage>245</spage><epage>251</epage><pages>245-251</pages><issn>0309-1651</issn><eissn>1878-240X</eissn><coden>CBRPDS</coden><abstract>The dependence on calcium concentration of the contractile behavior of actomyosin isolated from Physarum plasmodia according to Kohama & Kendrick-Jones (1986) was investigated under different magnesium conditions. The inhibitory calcium sensitivity is reduced at magnesium concentrations above or below 1 mM, i.e., contraction of actomyosin aggregates is most effectively inhibited in the presence of 1 mM calcium in combination with physiological magnesium concentrations. In the absence of calcium reactivation optimum is obtained at 8.5 mM Mg2+.</abstract><cop>London</cop><cop>San Diego, CA</cop><cop>New York, NY</cop><pub>Academic Press</pub><pmid>3401930</pmid><doi>10.1016/0309-1651(88)90069-0</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0309-1651 |
| ispartof | Cell biology international reports, 1988-04, Vol.12 (4), p.245-251 |
| issn | 0309-1651 1878-240X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_78348015 |
| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Actomyosin - physiology Analytical, structural and metabolic biochemistry Biological and medical sciences Calcium - pharmacology Contractile proteins Fundamental and applied biological sciences. Psychology Holoproteins Kinetics Magnesium - pharmacology Physarum - drug effects Physarum - physiology Proteins |
| title | Effect of magnesium on the contractile behavior of actomyosin aggregates isolated from Physarum plasmodia |
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