Effect of the natural algicide, cyanobacterin, on a herbicide-resistant mutant of anacystis nidulans R2
Cyanobacterin, a secondary metabolite produced by the cyanobacterium, Scytonema hofmanni, inhibits the growth of algae and plants. This compound is a potent inhibitor of photosynthetic electron transport and acts at a site in photosystem II (PS II). To further define the site of action of cyanobacte...
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| Veröffentlicht in: | Plant science (Limerick) 1986, Vol.46 (1), p.5-10 |
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| creator | Gleason, Florence K. Case, Deborah E. Sipprell, Kevin D. Magnuson, Timothy S. |
| description | Cyanobacterin, a secondary metabolite produced by the cyanobacterium,
Scytonema hofmanni, inhibits the growth of algae and plants. This compound is a potent inhibitor of photosynthetic electron transport and acts at a site in photosystem II (PS II). To further define the site of action of cyanobacterin, the effects of this natural product were investigated in a herbicide-resistant mutant of the cyanobacterium,
Anacystis nidulans R2D2-X1.
A. nidulans R2D2-X1 was reported to grow and maintain photosynthetic electron transport in the presence of 20 μM 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU) and 6.0 μM atrazine. Resistance was attributed to an altered 32 kDa (quinone-binding, QB) protein [6]. In the presence of Hill electron acceptors, K
3Fe(CN)
6 and dichlorophenol-indophenol (DCPIP), spheroplasts of
A. nidulans R2D2-X1 were inhibited by cyanobacterin at the same concentration as wild type spheroblasts. Under these same conditions, spheroplasts of the mutant maintained their resistance to DCMU. Similar results were obtained with isolated thylakoid membranes. In contrast, silicomolybdate reduction, which is resistant to DCMU inhibition, was very sensitive to cyanobacterin. We conclude that cyanobacterin inhibits electron transport in PS II at a unique site which is different from that of DCMU. |
| doi_str_mv | 10.1016/0168-9452(86)90124-X |
| format | Article |
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Scytonema hofmanni, inhibits the growth of algae and plants. This compound is a potent inhibitor of photosynthetic electron transport and acts at a site in photosystem II (PS II). To further define the site of action of cyanobacterin, the effects of this natural product were investigated in a herbicide-resistant mutant of the cyanobacterium,
Anacystis nidulans R2D2-X1.
A. nidulans R2D2-X1 was reported to grow and maintain photosynthetic electron transport in the presence of 20 μM 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU) and 6.0 μM atrazine. Resistance was attributed to an altered 32 kDa (quinone-binding, QB) protein [6]. In the presence of Hill electron acceptors, K
3Fe(CN)
6 and dichlorophenol-indophenol (DCPIP), spheroplasts of
A. nidulans R2D2-X1 were inhibited by cyanobacterin at the same concentration as wild type spheroblasts. Under these same conditions, spheroplasts of the mutant maintained their resistance to DCMU. Similar results were obtained with isolated thylakoid membranes. In contrast, silicomolybdate reduction, which is resistant to DCMU inhibition, was very sensitive to cyanobacterin. We conclude that cyanobacterin inhibits electron transport in PS II at a unique site which is different from that of DCMU.</description><identifier>ISSN: 0168-9452</identifier><identifier>EISSN: 1873-2259</identifier><identifier>DOI: 10.1016/0168-9452(86)90124-X</identifier><identifier>CODEN: PLSCE4</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>3-(3,4-dichlorphenyl)-1,1-dimethylurea ; action spectra ; algicides ; Anacystis nidulans ; Bacteriology ; Biological and medical sciences ; cyanobacteria ; Fundamental and applied biological sciences. Psychology ; growth retardation ; inhibitors ; Metabolism. Enzymes ; Microbiology ; photosynthetic electron transport ; photosystem II</subject><ispartof>Plant science (Limerick), 1986, Vol.46 (1), p.5-10</ispartof><rights>1986</rights><rights>1987 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c454t-2e01b6b5b6574915a53199de640bfedf4cf5e9044687a6beb119ba0e0366fe0a3</citedby><cites>FETCH-LOGICAL-c454t-2e01b6b5b6574915a53199de640bfedf4cf5e9044687a6beb119ba0e0366fe0a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0168-9452(86)90124-X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,4021,27921,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8215345$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Gleason, Florence K.</creatorcontrib><creatorcontrib>Case, Deborah E.</creatorcontrib><creatorcontrib>Sipprell, Kevin D.</creatorcontrib><creatorcontrib>Magnuson, Timothy S.</creatorcontrib><title>Effect of the natural algicide, cyanobacterin, on a herbicide-resistant mutant of anacystis nidulans R2</title><title>Plant science (Limerick)</title><description>Cyanobacterin, a secondary metabolite produced by the cyanobacterium,
Scytonema hofmanni, inhibits the growth of algae and plants. This compound is a potent inhibitor of photosynthetic electron transport and acts at a site in photosystem II (PS II). To further define the site of action of cyanobacterin, the effects of this natural product were investigated in a herbicide-resistant mutant of the cyanobacterium,
Anacystis nidulans R2D2-X1.
A. nidulans R2D2-X1 was reported to grow and maintain photosynthetic electron transport in the presence of 20 μM 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU) and 6.0 μM atrazine. Resistance was attributed to an altered 32 kDa (quinone-binding, QB) protein [6]. In the presence of Hill electron acceptors, K
3Fe(CN)
6 and dichlorophenol-indophenol (DCPIP), spheroplasts of
A. nidulans R2D2-X1 were inhibited by cyanobacterin at the same concentration as wild type spheroblasts. Under these same conditions, spheroplasts of the mutant maintained their resistance to DCMU. Similar results were obtained with isolated thylakoid membranes. In contrast, silicomolybdate reduction, which is resistant to DCMU inhibition, was very sensitive to cyanobacterin. We conclude that cyanobacterin inhibits electron transport in PS II at a unique site which is different from that of DCMU.</description><subject>3-(3,4-dichlorphenyl)-1,1-dimethylurea</subject><subject>action spectra</subject><subject>algicides</subject><subject>Anacystis nidulans</subject><subject>Bacteriology</subject><subject>Biological and medical sciences</subject><subject>cyanobacteria</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>growth retardation</subject><subject>inhibitors</subject><subject>Metabolism. Enzymes</subject><subject>Microbiology</subject><subject>photosynthetic electron transport</subject><subject>photosystem II</subject><issn>0168-9452</issn><issn>1873-2259</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1986</creationdate><recordtype>article</recordtype><recordid>eNp9kU2LFDEQhoMoOK7-A8EcRBS2NUkn6c5FkGX9gAVBXdhbqKQrs5Ge9Jqkhfn3ZmaWPXoo6lBPvVSeEPKSs_eccf2h1dgZqcTbUb8zjAvZ3TwiGz4OfSeEMo_J5gF5Sp6V8psxJpQaNmR7GQL6SpdA6y3SBHXNMFOYt9HHCc-p30NaHPiKOaZzuiQK9BazO467jCWWCqnS3XpsLQcS-H2psdAUp3WGVOgP8Zw8CTAXfHHfz8j158tfF1-7q-9fvl18uuq8VLJ2Ahl32imn1SANV6B6bsyEWjIXcArSB4WGSanHAbRDx7lxwJD1Wgdk0J-RN6fcu7z8WbFUu4vF49zOwGUtlsuB9WIYGyhPoM9LKRmDvctxB3lvObMHq_agzB6U2VHbo1V709Ze3-dD8TCHDMnH8rA7Cq56qRr26oQFWCxsc0OufwrGe8Ylbw8zjfh4IrDZ-Bsx2-IjJo9TzO1D7LTE_1_yD0GRlTE</recordid><startdate>1986</startdate><enddate>1986</enddate><creator>Gleason, Florence K.</creator><creator>Case, Deborah E.</creator><creator>Sipprell, Kevin D.</creator><creator>Magnuson, Timothy S.</creator><general>Elsevier Ireland Ltd</general><general>Elsevier Science</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope></search><sort><creationdate>1986</creationdate><title>Effect of the natural algicide, cyanobacterin, on a herbicide-resistant mutant of anacystis nidulans R2</title><author>Gleason, Florence K. ; Case, Deborah E. ; Sipprell, Kevin D. ; Magnuson, Timothy S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c454t-2e01b6b5b6574915a53199de640bfedf4cf5e9044687a6beb119ba0e0366fe0a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1986</creationdate><topic>3-(3,4-dichlorphenyl)-1,1-dimethylurea</topic><topic>action spectra</topic><topic>algicides</topic><topic>Anacystis nidulans</topic><topic>Bacteriology</topic><topic>Biological and medical sciences</topic><topic>cyanobacteria</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>growth retardation</topic><topic>inhibitors</topic><topic>Metabolism. Enzymes</topic><topic>Microbiology</topic><topic>photosynthetic electron transport</topic><topic>photosystem II</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gleason, Florence K.</creatorcontrib><creatorcontrib>Case, Deborah E.</creatorcontrib><creatorcontrib>Sipprell, Kevin D.</creatorcontrib><creatorcontrib>Magnuson, Timothy S.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Plant science (Limerick)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gleason, Florence K.</au><au>Case, Deborah E.</au><au>Sipprell, Kevin D.</au><au>Magnuson, Timothy S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of the natural algicide, cyanobacterin, on a herbicide-resistant mutant of anacystis nidulans R2</atitle><jtitle>Plant science (Limerick)</jtitle><date>1986</date><risdate>1986</risdate><volume>46</volume><issue>1</issue><spage>5</spage><epage>10</epage><pages>5-10</pages><issn>0168-9452</issn><eissn>1873-2259</eissn><coden>PLSCE4</coden><abstract>Cyanobacterin, a secondary metabolite produced by the cyanobacterium,
Scytonema hofmanni, inhibits the growth of algae and plants. This compound is a potent inhibitor of photosynthetic electron transport and acts at a site in photosystem II (PS II). To further define the site of action of cyanobacterin, the effects of this natural product were investigated in a herbicide-resistant mutant of the cyanobacterium,
Anacystis nidulans R2D2-X1.
A. nidulans R2D2-X1 was reported to grow and maintain photosynthetic electron transport in the presence of 20 μM 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU) and 6.0 μM atrazine. Resistance was attributed to an altered 32 kDa (quinone-binding, QB) protein [6]. In the presence of Hill electron acceptors, K
3Fe(CN)
6 and dichlorophenol-indophenol (DCPIP), spheroplasts of
A. nidulans R2D2-X1 were inhibited by cyanobacterin at the same concentration as wild type spheroblasts. Under these same conditions, spheroplasts of the mutant maintained their resistance to DCMU. Similar results were obtained with isolated thylakoid membranes. In contrast, silicomolybdate reduction, which is resistant to DCMU inhibition, was very sensitive to cyanobacterin. We conclude that cyanobacterin inhibits electron transport in PS II at a unique site which is different from that of DCMU.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><doi>10.1016/0168-9452(86)90124-X</doi><tpages>6</tpages></addata></record> |
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| ispartof | Plant science (Limerick), 1986, Vol.46 (1), p.5-10 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | 3-(3,4-dichlorphenyl)-1,1-dimethylurea action spectra algicides Anacystis nidulans Bacteriology Biological and medical sciences cyanobacteria Fundamental and applied biological sciences. Psychology growth retardation inhibitors Metabolism. Enzymes Microbiology photosynthetic electron transport photosystem II |
| title | Effect of the natural algicide, cyanobacterin, on a herbicide-resistant mutant of anacystis nidulans R2 |
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