effect of various nitrogen sources upon the production of extracellular polysaccharide by the blue-green alga Anabaena flos-aquae A-37
Anabaena flos-aquae A-37 was grown in bacteria-free culture on a variety of nitrogen sources. Extracellular polysaccharide production was found to be a part of the normal metabolic processes causing the liberation of excess carbohydrates into the surrounding medium rather than the result of cellular...
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| Veröffentlicht in: | Journal of experimental botany 1971-08, Vol.22 (72), p.546-551 |
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| container_title | Journal of experimental botany |
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| creator | Tischer, R.G Davis, E.B |
| description | Anabaena flos-aquae A-37 was grown in bacteria-free culture on a variety of nitrogen sources. Extracellular polysaccharide production was found to be a part of the normal metabolic processes causing the liberation of excess carbohydrates into the surrounding medium rather than the result of cellular lysis. Non-adapted cells supplied with NH4Cl produced abundant polysaccharide. However, the population did not increase. Cells adapted to NH4Cl produced smaller quantities of polysaccharide, but the population did increase. Polysaccharide production per cell was similar on Mg(NO3)2, KNO3, NaNO3, NH4NO3, and NH4Cl. It was concluded that an adequately utilized nitrogen source does not affect polysaccharide production in A. flos-aquae A-37. |
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Extracellular polysaccharide production was found to be a part of the normal metabolic processes causing the liberation of excess carbohydrates into the surrounding medium rather than the result of cellular lysis. Non-adapted cells supplied with NH4Cl produced abundant polysaccharide. However, the population did not increase. Cells adapted to NH4Cl produced smaller quantities of polysaccharide, but the population did increase. Polysaccharide production per cell was similar on Mg(NO3)2, KNO3, NaNO3, NH4NO3, and NH4Cl. It was concluded that an adequately utilized nitrogen source does not affect polysaccharide production in A. flos-aquae A-37.</description><identifier>ISSN: 0022-0957</identifier><identifier>EISSN: 1460-2431</identifier><language>eng</language><publisher>OXFORD AT THE CLARENDON PRESS</publisher><subject>Algae ; Carbohydrates ; Cell growth ; Cultured cells ; Nitrogen ; Nitrogen fixation ; plant biochemistry ; plant physiology ; Polysaccharides ; Population growth</subject><ispartof>Journal of experimental botany, 1971-08, Vol.22 (72), p.546-551</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/23687363$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/23687363$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,57992,58225</link.rule.ids></links><search><creatorcontrib>Tischer, R.G</creatorcontrib><creatorcontrib>Davis, E.B</creatorcontrib><title>effect of various nitrogen sources upon the production of extracellular polysaccharide by the blue-green alga Anabaena flos-aquae A-37</title><title>Journal of experimental botany</title><description>Anabaena flos-aquae A-37 was grown in bacteria-free culture on a variety of nitrogen sources. Extracellular polysaccharide production was found to be a part of the normal metabolic processes causing the liberation of excess carbohydrates into the surrounding medium rather than the result of cellular lysis. Non-adapted cells supplied with NH4Cl produced abundant polysaccharide. However, the population did not increase. Cells adapted to NH4Cl produced smaller quantities of polysaccharide, but the population did increase. Polysaccharide production per cell was similar on Mg(NO3)2, KNO3, NaNO3, NH4NO3, and NH4Cl. It was concluded that an adequately utilized nitrogen source does not affect polysaccharide production in A. flos-aquae A-37.</description><subject>Algae</subject><subject>Carbohydrates</subject><subject>Cell growth</subject><subject>Cultured cells</subject><subject>Nitrogen</subject><subject>Nitrogen fixation</subject><subject>plant biochemistry</subject><subject>plant physiology</subject><subject>Polysaccharides</subject><subject>Population growth</subject><issn>0022-0957</issn><issn>1460-2431</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1971</creationdate><recordtype>article</recordtype><recordid>eNotjF1KxDAUhYsoOI4uQcwGAjdJm7aPw-AfDPjg-Fxu0ptOh9jUpBVnA67boj4dDt8531m2ErkGLnMlzrMVgJQc6qK8zK5SOgJAAUWxyr7JObITC459YuzDnNjQTzF0NLAU5mgpsXkMA5sOxMYY2tlO_VKXPX1NES15P3uMbAz-lNDaw2JpiZnT78P4mXgXabGh75BtBjRIAzLnQ-L4MSOxDVfldXbh0Ce6-c91tn-432-f-O7l8Xm72XGXa8VVoWUlaqrq2lqJWlcENeToJGljlDGllM5Iq2xbtJTXshRSaCgqBI1Q5Wqd3f5pj2kKsRlj_47x1Eilq1JptfC7P-4wNNjFPjVvrxKEAiGU0iDVD6YDZb4</recordid><startdate>19710801</startdate><enddate>19710801</enddate><creator>Tischer, R.G</creator><creator>Davis, E.B</creator><general>OXFORD AT THE CLARENDON PRESS</general><scope>FBQ</scope></search><sort><creationdate>19710801</creationdate><title>effect of various nitrogen sources upon the production of extracellular polysaccharide by the blue-green alga Anabaena flos-aquae A-37</title><author>Tischer, R.G ; Davis, E.B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f463-3562819e899cc2a668e0904af2e6bb3bb722fb2c3cd5de49271216058a06a0843</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1971</creationdate><topic>Algae</topic><topic>Carbohydrates</topic><topic>Cell growth</topic><topic>Cultured cells</topic><topic>Nitrogen</topic><topic>Nitrogen fixation</topic><topic>plant biochemistry</topic><topic>plant physiology</topic><topic>Polysaccharides</topic><topic>Population growth</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tischer, R.G</creatorcontrib><creatorcontrib>Davis, E.B</creatorcontrib><collection>AGRIS</collection><jtitle>Journal of experimental botany</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tischer, R.G</au><au>Davis, E.B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>effect of various nitrogen sources upon the production of extracellular polysaccharide by the blue-green alga Anabaena flos-aquae A-37</atitle><jtitle>Journal of experimental botany</jtitle><date>1971-08-01</date><risdate>1971</risdate><volume>22</volume><issue>72</issue><spage>546</spage><epage>551</epage><pages>546-551</pages><issn>0022-0957</issn><eissn>1460-2431</eissn><abstract>Anabaena flos-aquae A-37 was grown in bacteria-free culture on a variety of nitrogen sources. Extracellular polysaccharide production was found to be a part of the normal metabolic processes causing the liberation of excess carbohydrates into the surrounding medium rather than the result of cellular lysis. Non-adapted cells supplied with NH4Cl produced abundant polysaccharide. However, the population did not increase. Cells adapted to NH4Cl produced smaller quantities of polysaccharide, but the population did increase. Polysaccharide production per cell was similar on Mg(NO3)2, KNO3, NaNO3, NH4NO3, and NH4Cl. It was concluded that an adequately utilized nitrogen source does not affect polysaccharide production in A. flos-aquae A-37.</abstract><pub>OXFORD AT THE CLARENDON PRESS</pub><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0022-0957 |
| ispartof | Journal of experimental botany, 1971-08, Vol.22 (72), p.546-551 |
| issn | 0022-0957 1460-2431 |
| language | eng |
| recordid | cdi_jstor_primary_23687363 |
| source | Jstor Complete Legacy; Oxford University Press Journals Digital Archive Legacy |
| subjects | Algae Carbohydrates Cell growth Cultured cells Nitrogen Nitrogen fixation plant biochemistry plant physiology Polysaccharides Population growth |
| title | effect of various nitrogen sources upon the production of extracellular polysaccharide by the blue-green alga Anabaena flos-aquae A-37 |
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