Growth responses of the diatom, Cyclotella cryptica (Bacillariophyceae), to gibberellic acid [Algae]
The plant hormone, gibberelic acid (GA), stimulated growth of a marine diatom, C. cryptica Reimann, Lewin and Guillard. Four concentrations of GA (5x, 20x, 25x and 35 x 10 super(-6) g/mL) were added to axenic cultures of C. cryptica . Changes in cell densities, measured by cell counts and turbidimet...
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| Veröffentlicht in: | Journal of phycology 1982-01, Vol.18 (4), p.587-589 |
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| container_title | Journal of phycology |
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| creator | Adair, Olivia V. Miller, Margaret W. |
| description | The plant hormone, gibberelic acid (GA), stimulated growth of a marine diatom, C. cryptica Reimann, Lewin and Guillard. Four concentrations of GA (5x, 20x, 25x and 35 x 10 super(-6) g/mL) were added to axenic cultures of C. cryptica . Changes in cell densities, measured by cell counts and turbidimetric reading, confirmed that GA at 20 x 10 super(-6) g/mL produced maximum stimulation. There was an increase in the total number of cells produced and a shorter lag phase of growth at this concentration. Coulter counter measurements of cell size, as well as ocular micrometer measurements, indicated there was no significant variation in cell volumes of GA grown cells over that of the controls. |
| doi_str_mv | 10.1111/j.1529-8817.1982.tb03225.x |
| format | Article |
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(Germany, F.R.). Fachbereich Gartenbau</creatorcontrib><description>The plant hormone, gibberelic acid (GA), stimulated growth of a marine diatom, C. cryptica Reimann, Lewin and Guillard. Four concentrations of GA (5x, 20x, 25x and 35 x 10 super(-6) g/mL) were added to axenic cultures of C. cryptica . Changes in cell densities, measured by cell counts and turbidimetric reading, confirmed that GA at 20 x 10 super(-6) g/mL produced maximum stimulation. There was an increase in the total number of cells produced and a shorter lag phase of growth at this concentration. Coulter counter measurements of cell size, as well as ocular micrometer measurements, indicated there was no significant variation in cell volumes of GA grown cells over that of the controls.</description><identifier>ISSN: 0022-3646</identifier><identifier>EISSN: 1529-8817</identifier><identifier>DOI: 10.1111/j.1529-8817.1982.tb03225.x</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Bacillariophyceae ; Cyclotella ; Cyclotella cryptica ; diatom ; gibberellic acid ; growth response ; plant hormone</subject><ispartof>Journal of phycology, 1982-01, Vol.18 (4), p.587-589</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Adair, Olivia V.</creatorcontrib><creatorcontrib>Miller, Margaret W.</creatorcontrib><creatorcontrib>Hannover Univ. (Germany, F.R.). Fachbereich Gartenbau</creatorcontrib><title>Growth responses of the diatom, Cyclotella cryptica (Bacillariophyceae), to gibberellic acid [Algae]</title><title>Journal of phycology</title><description>The plant hormone, gibberelic acid (GA), stimulated growth of a marine diatom, C. cryptica Reimann, Lewin and Guillard. Four concentrations of GA (5x, 20x, 25x and 35 x 10 super(-6) g/mL) were added to axenic cultures of C. cryptica . Changes in cell densities, measured by cell counts and turbidimetric reading, confirmed that GA at 20 x 10 super(-6) g/mL produced maximum stimulation. There was an increase in the total number of cells produced and a shorter lag phase of growth at this concentration. Coulter counter measurements of cell size, as well as ocular micrometer measurements, indicated there was no significant variation in cell volumes of GA grown cells over that of the controls.</description><subject>Bacillariophyceae</subject><subject>Cyclotella</subject><subject>Cyclotella cryptica</subject><subject>diatom</subject><subject>gibberellic acid</subject><subject>growth response</subject><subject>plant hormone</subject><issn>0022-3646</issn><issn>1529-8817</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1982</creationdate><recordtype>article</recordtype><recordid>eNo9kN1qGzEQhUVpIG7SVwgiF6EF71Y_1v5cOiZxG5z2og2GhCAk7ciWs462kkLst6-CS-ZmYM7H8HEQOqekpHm-bUoqWFs0Da1L2jasTJpwxkS5-4BG79FHNCKEsYJXk-oYfYpxQwipK0FHqJsH_5rWOEAc_HOEiL3FaQ24cyr57RjP9qb3CfpeYRP2Q3JG4S-Xyrh8Cc4P670BBV_HOHm8clpDyKwzOBMdfpj2KwWPp-jIqj7C5__7BN1dX_2ZfS8Wv-Y_ZtNFYTmtU9FkJaWrVte0tayDRthsbIgRvLINkNZwqxUwDZ0ATQXttOXQsZYxRhvK-Qm6OPwdgv_7AjHJrYvmzf0Z_EuUVAhOWUsyWBxAFxPs5BDcVoW9VOFJVjWvhVz-nMv7m0lV3S6v5WXmzw68VV6qVXBR3v3OfU9yj7xuGP8H3s10og</recordid><startdate>19820101</startdate><enddate>19820101</enddate><creator>Adair, Olivia V.</creator><creator>Miller, Margaret W.</creator><general>Blackwell Publishing Ltd</general><scope>FBQ</scope><scope>BSCLL</scope><scope>M7N</scope></search><sort><creationdate>19820101</creationdate><title>Growth responses of the diatom, Cyclotella cryptica (Bacillariophyceae), to gibberellic acid [Algae]</title><author>Adair, Olivia V. ; Miller, Margaret W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f317t-8765ab69b719f2de85f364c0c536f8e09c3fbae2bed5eb151dbf3ed2922218133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1982</creationdate><topic>Bacillariophyceae</topic><topic>Cyclotella</topic><topic>Cyclotella cryptica</topic><topic>diatom</topic><topic>gibberellic acid</topic><topic>growth response</topic><topic>plant hormone</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adair, Olivia V.</creatorcontrib><creatorcontrib>Miller, Margaret W.</creatorcontrib><creatorcontrib>Hannover Univ. (Germany, F.R.). Fachbereich Gartenbau</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Journal of phycology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adair, Olivia V.</au><au>Miller, Margaret W.</au><aucorp>Hannover Univ. (Germany, F.R.). Fachbereich Gartenbau</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Growth responses of the diatom, Cyclotella cryptica (Bacillariophyceae), to gibberellic acid [Algae]</atitle><jtitle>Journal of phycology</jtitle><date>1982-01-01</date><risdate>1982</risdate><volume>18</volume><issue>4</issue><spage>587</spage><epage>589</epage><pages>587-589</pages><issn>0022-3646</issn><eissn>1529-8817</eissn><abstract>The plant hormone, gibberelic acid (GA), stimulated growth of a marine diatom, C. cryptica Reimann, Lewin and Guillard. Four concentrations of GA (5x, 20x, 25x and 35 x 10 super(-6) g/mL) were added to axenic cultures of C. cryptica . Changes in cell densities, measured by cell counts and turbidimetric reading, confirmed that GA at 20 x 10 super(-6) g/mL produced maximum stimulation. There was an increase in the total number of cells produced and a shorter lag phase of growth at this concentration. Coulter counter measurements of cell size, as well as ocular micrometer measurements, indicated there was no significant variation in cell volumes of GA grown cells over that of the controls.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1529-8817.1982.tb03225.x</doi><tpages>3</tpages></addata></record> |
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| ispartof | Journal of phycology, 1982-01, Vol.18 (4), p.587-589 |
| issn | 0022-3646 1529-8817 |
| language | eng |
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| source | Wiley Journals |
| subjects | Bacillariophyceae Cyclotella Cyclotella cryptica diatom gibberellic acid growth response plant hormone |
| title | Growth responses of the diatom, Cyclotella cryptica (Bacillariophyceae), to gibberellic acid [Algae] |
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