Effect of pH and metabolic inhibitors on stomatal opening in Crassula argentea
In the CAM plant Crassula argentea, a transient increase in leaf acidity was observed just prior to the beginning of darkness, whereas the stomata remained closed. Stomata opened most rapidly after they had been in darkness for 30-120 min; during this time, leaf acidity was relatively low but then b...
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| Veröffentlicht in: | Botanical gazette (Chicago, Ill.) Ill.), 1978-12, Vol.139 (4), p.381-384 |
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| container_title | Botanical gazette (Chicago, Ill.) |
| container_volume | 139 |
| creator | Loucks, M Ownby, J.D |
| description | In the CAM plant Crassula argentea, a transient increase in leaf acidity was observed just prior to the beginning of darkness, whereas the stomata remained closed. Stomata opened most rapidly after they had been in darkness for 30-120 min; during this time, leaf acidity was relatively low but then began to increase again after 2-3 h of darkness. Epidermal strips of C. argentea floated in 10 mM KCl at pH 3.5-4.0 showed partial opening, while those incubated at greater than pH 5 remained closed. This acid-induced opening was associated with K+uptake into guard cells. Both K+uptake and stomatal opening were completely inhibited by ABA and DCCD. |
| doi_str_mv | 10.1086/337014 |
| format | Article |
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Stomata opened most rapidly after they had been in darkness for 30-120 min; during this time, leaf acidity was relatively low but then began to increase again after 2-3 h of darkness. Epidermal strips of C. argentea floated in 10 mM KCl at pH 3.5-4.0 showed partial opening, while those incubated at greater than pH 5 remained closed. This acid-induced opening was associated with K+uptake into guard cells. Both K+uptake and stomatal opening were completely inhibited by ABA and DCCD.</description><identifier>ISSN: 0006-8071</identifier><identifier>EISSN: 1940-1205</identifier><identifier>DOI: 10.1086/337014</identifier><language>eng</language><publisher>The University of Chicago Press</publisher><subject>Acidity ; Adenosine triphosphatases ; Cellular metabolism ; Crassulacean acid metabolism ; Epidermal cells ; Guard cells ; Leaves ; Plants ; Stomata</subject><ispartof>Botanical gazette (Chicago, Ill.), 1978-12, Vol.139 (4), p.381-384</ispartof><rights>Copyright 1978 The University of Chicago</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c198t-a68aaed1c13519a7bf5788df59d87adc43a0a8d929bb90afbf400cc4f82e982e3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/2473656$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/2473656$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,27901,27902,57992,58225</link.rule.ids></links><search><creatorcontrib>Loucks, M</creatorcontrib><creatorcontrib>Ownby, J.D</creatorcontrib><title>Effect of pH and metabolic inhibitors on stomatal opening in Crassula argentea</title><title>Botanical gazette (Chicago, Ill.)</title><description>In the CAM plant Crassula argentea, a transient increase in leaf acidity was observed just prior to the beginning of darkness, whereas the stomata remained closed. Stomata opened most rapidly after they had been in darkness for 30-120 min; during this time, leaf acidity was relatively low but then began to increase again after 2-3 h of darkness. Epidermal strips of C. argentea floated in 10 mM KCl at pH 3.5-4.0 showed partial opening, while those incubated at greater than pH 5 remained closed. This acid-induced opening was associated with K+uptake into guard cells. Both K+uptake and stomatal opening were completely inhibited by ABA and DCCD.</description><subject>Acidity</subject><subject>Adenosine triphosphatases</subject><subject>Cellular metabolism</subject><subject>Crassulacean acid metabolism</subject><subject>Epidermal cells</subject><subject>Guard cells</subject><subject>Leaves</subject><subject>Plants</subject><subject>Stomata</subject><issn>0006-8071</issn><issn>1940-1205</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1978</creationdate><recordtype>article</recordtype><recordid>eNo9kMFKxDAQhoMouK76BII5eatOmrRJjlJWV1j0oHsu0zRZu3SbJYkH395IRZhhGL6PYfgJuWZwz0DVD5xLYOKELJgWULASqlOyAIC6UCDZObmIcZ9XXUG9IK8r56xJ1Dt6XFOcenqwCTs_DoYO0-fQDcmHSP1EY_IHTDhSf7TTMO0ypk3AGL9GpBh2dkoWL8mZwzHaq7-5JNun1UezLjZvzy_N46YwTKtUYK0Qbc8M4xXTKDtXSaV6V-leSeyN4Aioel3qrtOArnMCwBjhVGl1br4kd_NdE3yMwbr2GIYDhu-WQfubQjunkMWbWdzn_8O_VQrJ66rO-HbGDn2LuzDEdvteAuO5VFlKwX8AAbthwQ</recordid><startdate>19781201</startdate><enddate>19781201</enddate><creator>Loucks, M</creator><creator>Ownby, J.D</creator><general>The University of Chicago Press</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19781201</creationdate><title>Effect of pH and metabolic inhibitors on stomatal opening in Crassula argentea</title><author>Loucks, M ; Ownby, J.D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c198t-a68aaed1c13519a7bf5788df59d87adc43a0a8d929bb90afbf400cc4f82e982e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1978</creationdate><topic>Acidity</topic><topic>Adenosine triphosphatases</topic><topic>Cellular metabolism</topic><topic>Crassulacean acid metabolism</topic><topic>Epidermal cells</topic><topic>Guard cells</topic><topic>Leaves</topic><topic>Plants</topic><topic>Stomata</topic><toplevel>online_resources</toplevel><creatorcontrib>Loucks, M</creatorcontrib><creatorcontrib>Ownby, J.D</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><jtitle>Botanical gazette (Chicago, Ill.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Loucks, M</au><au>Ownby, J.D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of pH and metabolic inhibitors on stomatal opening in Crassula argentea</atitle><jtitle>Botanical gazette (Chicago, Ill.)</jtitle><date>1978-12-01</date><risdate>1978</risdate><volume>139</volume><issue>4</issue><spage>381</spage><epage>384</epage><pages>381-384</pages><issn>0006-8071</issn><eissn>1940-1205</eissn><abstract>In the CAM plant Crassula argentea, a transient increase in leaf acidity was observed just prior to the beginning of darkness, whereas the stomata remained closed. Stomata opened most rapidly after they had been in darkness for 30-120 min; during this time, leaf acidity was relatively low but then began to increase again after 2-3 h of darkness. Epidermal strips of C. argentea floated in 10 mM KCl at pH 3.5-4.0 showed partial opening, while those incubated at greater than pH 5 remained closed. This acid-induced opening was associated with K+uptake into guard cells. Both K+uptake and stomatal opening were completely inhibited by ABA and DCCD.</abstract><pub>The University of Chicago Press</pub><doi>10.1086/337014</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0006-8071 |
| ispartof | Botanical gazette (Chicago, Ill.), 1978-12, Vol.139 (4), p.381-384 |
| issn | 0006-8071 1940-1205 |
| language | eng |
| recordid | cdi_crossref_primary_10_1086_337014 |
| source | Jstor Complete Legacy |
| subjects | Acidity Adenosine triphosphatases Cellular metabolism Crassulacean acid metabolism Epidermal cells Guard cells Leaves Plants Stomata |
| title | Effect of pH and metabolic inhibitors on stomatal opening in Crassula argentea |
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