Multiphasic osmotic adjustment in a euryhaline cyanobacterium
Transfer of Synechocystis PCC6714 from a freshwater medium to a saline medium caused the cells to shrink; rapid entry of NaCl resulted in a partial recovery of cellular volume within 2 min. Active extrusion of internal Na+ in exchange for extracellular K+ then occurred (within 20 min). Finally, the...
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| Veröffentlicht in: | FEMS microbiology letters 1985-01, Vol.28 (3), p.225-229 |
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| container_title | FEMS microbiology letters |
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| creator | Reed, R.H Warr, S.R.C Richardson, D.L Moore, D.J Stewart, W.D.P |
| description | Transfer of Synechocystis PCC6714 from a freshwater medium to a saline medium caused the cells to shrink; rapid entry of NaCl resulted in a partial recovery of cellular volume within 2 min. Active extrusion of internal Na+ in exchange for extracellular K+ then occurred (within 20 min). Finally, the low‐Mr carbohydrates sucrose and glucosylglycerol were accumulated and internal KC1 levels declined. In long‐term growth experiments, the relative importance of sucrose as a component of the low‐Mr organic solute fraction decreased and glucosylglycerol became the single most important intracellular solute. These observations demonstrate that several inorganic and organic solutes are involved in osmotic adjustment in this cyanobacterium, with sequential changes in the relative importance of each solute following transfer to a saline medium. |
| doi_str_mv | 10.1111/j.1574-6968.1985.tb00796.x |
| format | Article |
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Active extrusion of internal Na+ in exchange for extracellular K+ then occurred (within 20 min). Finally, the low‐Mr carbohydrates sucrose and glucosylglycerol were accumulated and internal KC1 levels declined. In long‐term growth experiments, the relative importance of sucrose as a component of the low‐Mr organic solute fraction decreased and glucosylglycerol became the single most important intracellular solute. 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These observations demonstrate that several inorganic and organic solutes are involved in osmotic adjustment in this cyanobacterium, with sequential changes in the relative importance of each solute following transfer to a saline medium.</description><subject>carbohydrate accumulation</subject><subject>carbohydrate metabolism</subject><subject>Cyanobacteria</subject><subject>ion exchange</subject><subject>ion transport</subject><subject>osmoregulation</subject><subject>osmosis</subject><subject>osmotic stress</subject><subject>Osmotic stress, Synechocystis</subject><subject>Synechocystis</subject><subject>turgor</subject><issn>0378-1097</issn><issn>1574-6968</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1985</creationdate><recordtype>article</recordtype><recordid>eNqVkE1LxDAYhIMouK7-BosHb1vz2SSCgiyuCrt40D2HNE3clH6sTYvbf29LF---lzm8M8PwAHCDYIyGu8tjxDhdJDIRMZKCxW0KIZdJfDgBs7_XKZhBwsUCQcnPwUUIOYSQYpjMwMOmK1q_3-ngTVSHsm4H1Vnehba0VRv5KtKR7Zp-pwtf2cj0uqpTbVrb-K68BGdOF8FeHXUOtqvnz-XrYv3-8rZ8Wi8MFZINGyyXmUCYaSYSzYVFmMqUaEgIdwxLaIggTmOXcWiJpkaklriMMicRM4bMwe3Uu2_q786GVpU-GFsUurJ1FxSiRApCk8F4PxlNU4fQWKf2jS910ysE1UhM5WrEokYsaiSmjsTUYQg_TuEfX9j-H0m12qwxZkPB9VTgdK30V-OD2n5giAjECeUMMvILidh9IQ</recordid><startdate>19850101</startdate><enddate>19850101</enddate><creator>Reed, R.H</creator><creator>Warr, S.R.C</creator><creator>Richardson, D.L</creator><creator>Moore, D.J</creator><creator>Stewart, W.D.P</creator><general>Blackwell Publishing Ltd</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>M7N</scope><scope>M7Z</scope><scope>P64</scope></search><sort><creationdate>19850101</creationdate><title>Multiphasic osmotic adjustment in a euryhaline cyanobacterium</title><author>Reed, R.H ; Warr, S.R.C ; Richardson, D.L ; Moore, D.J ; Stewart, W.D.P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4895-69e79d8125a586a78e1249b3a0337f5290c383fa2fd70e3a4c8be3fd45f915cc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1985</creationdate><topic>carbohydrate accumulation</topic><topic>carbohydrate metabolism</topic><topic>Cyanobacteria</topic><topic>ion exchange</topic><topic>ion transport</topic><topic>osmoregulation</topic><topic>osmosis</topic><topic>osmotic stress</topic><topic>Osmotic stress, Synechocystis</topic><topic>Synechocystis</topic><topic>turgor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Reed, R.H</creatorcontrib><creatorcontrib>Warr, S.R.C</creatorcontrib><creatorcontrib>Richardson, D.L</creatorcontrib><creatorcontrib>Moore, D.J</creatorcontrib><creatorcontrib>Stewart, W.D.P</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biochemistry Abstracts 1</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>FEMS microbiology letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Reed, R.H</au><au>Warr, S.R.C</au><au>Richardson, D.L</au><au>Moore, D.J</au><au>Stewart, W.D.P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multiphasic osmotic adjustment in a euryhaline cyanobacterium</atitle><jtitle>FEMS microbiology letters</jtitle><date>1985-01-01</date><risdate>1985</risdate><volume>28</volume><issue>3</issue><spage>225</spage><epage>229</epage><pages>225-229</pages><issn>0378-1097</issn><eissn>1574-6968</eissn><abstract>Transfer of Synechocystis PCC6714 from a freshwater medium to a saline medium caused the cells to shrink; rapid entry of NaCl resulted in a partial recovery of cellular volume within 2 min. Active extrusion of internal Na+ in exchange for extracellular K+ then occurred (within 20 min). Finally, the low‐Mr carbohydrates sucrose and glucosylglycerol were accumulated and internal KC1 levels declined. In long‐term growth experiments, the relative importance of sucrose as a component of the low‐Mr organic solute fraction decreased and glucosylglycerol became the single most important intracellular solute. These observations demonstrate that several inorganic and organic solutes are involved in osmotic adjustment in this cyanobacterium, with sequential changes in the relative importance of each solute following transfer to a saline medium.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1574-6968.1985.tb00796.x</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0378-1097 |
| ispartof | FEMS microbiology letters, 1985-01, Vol.28 (3), p.225-229 |
| issn | 0378-1097 1574-6968 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_14398346 |
| source | Wiley Online Library Journals Frontfile Complete; Alma/SFX Local Collection; Oxford University Press Journals Digital Archive Legacy |
| subjects | carbohydrate accumulation carbohydrate metabolism Cyanobacteria ion exchange ion transport osmoregulation osmosis osmotic stress Osmotic stress, Synechocystis Synechocystis turgor |
| title | Multiphasic osmotic adjustment in a euryhaline cyanobacterium |
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