Seasonal fluctuation of dehydrins is related to osmotic status in Scots pine needles
Seasonal variation in dehydrins and other soluble proteins of Scots pine (Pinus sylvestris L.) needles, buds and bark were analyzed monthly for 1 year from 1998 to 1999. Dehydrin-related proteins of 60 and 56 kDa were identified immunologically in all tissues. The concentration of the 60-kDa dehydri...
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| Veröffentlicht in: | Trees (Berlin, West) West), 2001-10, Vol.15 (7), p.425-430 |
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| creator | KONTUNEN-SOPPELA, Sari LAINE, Kari |
| description | Seasonal variation in dehydrins and other soluble proteins of Scots pine (Pinus sylvestris L.) needles, buds and bark were analyzed monthly for 1 year from 1998 to 1999. Dehydrin-related proteins of 60 and 56 kDa were identified immunologically in all tissues. The concentration of the 60-kDa dehydrin was highest during the winter (October-February) in buds and bark but increased in early spring (March-May) in needles. Accumulation of the 60-kDa dehydrin in the needles in springtime was related to the decreasing osmotic potentials of the needles. The 56-kDa dehydrin was present only during the growing season, as was a 50-kDa dehydrin, which only appeared in bud and bark tissues. The soluble protein concentration of needles did not differ significantly between seasons, but in bark and bud tissues the protein concentrations were at their lowest level in newly grown tissues (June-August). The level of several polypeptides was higher during the winter-spring period than in the growing season, especially in bark and bud tissues. These proteins may be related to cold hardiness or dormancy in overwintering Scots pine. Dehydrin-related proteins in needles are linked to springtime changes in the osmotic status of needles rather than to their cold acclimation.[PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1007/s004680100124 |
| format | Article |
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Dehydrin-related proteins of 60 and 56 kDa were identified immunologically in all tissues. The concentration of the 60-kDa dehydrin was highest during the winter (October-February) in buds and bark but increased in early spring (March-May) in needles. Accumulation of the 60-kDa dehydrin in the needles in springtime was related to the decreasing osmotic potentials of the needles. The 56-kDa dehydrin was present only during the growing season, as was a 50-kDa dehydrin, which only appeared in bud and bark tissues. The soluble protein concentration of needles did not differ significantly between seasons, but in bark and bud tissues the protein concentrations were at their lowest level in newly grown tissues (June-August). The level of several polypeptides was higher during the winter-spring period than in the growing season, especially in bark and bud tissues. These proteins may be related to cold hardiness or dormancy in overwintering Scots pine. Dehydrin-related proteins in needles are linked to springtime changes in the osmotic status of needles rather than to their cold acclimation.[PUBLICATION ABSTRACT]</description><identifier>ISSN: 0931-1890</identifier><identifier>EISSN: 1432-2285</identifier><identifier>DOI: 10.1007/s004680100124</identifier><identifier>CODEN: TRESEY</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Acclimatization ; Agricultural and forest climatology and meteorology. Irrigation. Drainage ; Agricultural and forest meteorology ; Agronomy. Soil science and plant productions ; Bark ; Biological and medical sciences ; Climatic adaptation. Acclimatization ; Economic plant physiology ; Evergreen trees ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Growing season ; Overwintering ; Pine needles ; Pine trees ; Plant physiology and development ; Proteins ; Seasonal variations ; Seeds ; Spring ; Tissues ; Water and solutes. 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Dehydrin-related proteins of 60 and 56 kDa were identified immunologically in all tissues. The concentration of the 60-kDa dehydrin was highest during the winter (October-February) in buds and bark but increased in early spring (March-May) in needles. Accumulation of the 60-kDa dehydrin in the needles in springtime was related to the decreasing osmotic potentials of the needles. The 56-kDa dehydrin was present only during the growing season, as was a 50-kDa dehydrin, which only appeared in bud and bark tissues. The soluble protein concentration of needles did not differ significantly between seasons, but in bark and bud tissues the protein concentrations were at their lowest level in newly grown tissues (June-August). The level of several polypeptides was higher during the winter-spring period than in the growing season, especially in bark and bud tissues. These proteins may be related to cold hardiness or dormancy in overwintering Scots pine. Dehydrin-related proteins in needles are linked to springtime changes in the osmotic status of needles rather than to their cold acclimation.[PUBLICATION ABSTRACT]</description><subject>Acclimatization</subject><subject>Agricultural and forest climatology and meteorology. Irrigation. Drainage</subject><subject>Agricultural and forest meteorology</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Bark</subject><subject>Biological and medical sciences</subject><subject>Climatic adaptation. Acclimatization</subject><subject>Economic plant physiology</subject><subject>Evergreen trees</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Growing season</subject><subject>Overwintering</subject><subject>Pine needles</subject><subject>Pine trees</subject><subject>Plant physiology and development</subject><subject>Proteins</subject><subject>Seasonal variations</subject><subject>Seeds</subject><subject>Spring</subject><subject>Tissues</subject><subject>Water and solutes. Absorption, translocation and permeability</subject><subject>Water relations, transpiration, stomata</subject><subject>Winter</subject><issn>0931-1890</issn><issn>1432-2285</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNpVkEFLw0AQhRdRsFaP3hfBY3R2s0l2j1K0CgUPreewTiaYkmbrzubQf2-kBfH0Bt43D94T4lbBgwKoHhnAlBamW2lzJmbK5DrT2hbnYgYuV5myDi7FFfMWAPJS6ZnYrMlzGHwv237ENPrUhUGGVjb0dWhiN7DsWEbqfaJGpiAD70LqUHLyaZzMQa4xJJb7biA5EDU98bW4aH3PdHPSufh4ed4sXrPV-_Jt8bTKUDudMiqwRDSIFipjnFNU2sblxurCtMpoh5VHpKJ0lfVE1jZQABk_tStN9Qn5XNwdc_cxfI_Eqd6GMU5luLbWKFATOUHZEcIYmCO19T52Ox8PtYL6d7f6324Tf38K9Yy-b6MfsOO_JwMWrLb5D_ASbCU</recordid><startdate>20011001</startdate><enddate>20011001</enddate><creator>KONTUNEN-SOPPELA, Sari</creator><creator>LAINE, Kari</creator><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7X2</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>SOI</scope></search><sort><creationdate>20011001</creationdate><title>Seasonal fluctuation of dehydrins is related to osmotic status in Scots pine needles</title><author>KONTUNEN-SOPPELA, Sari ; LAINE, Kari</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c292t-e5c6cc4cc80744991e68d9348254f1429c7acce56978aee88d050e4a124647b03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Acclimatization</topic><topic>Agricultural and forest climatology and meteorology. Irrigation. Drainage</topic><topic>Agricultural and forest meteorology</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Bark</topic><topic>Biological and medical sciences</topic><topic>Climatic adaptation. Acclimatization</topic><topic>Economic plant physiology</topic><topic>Evergreen trees</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. Plant production</topic><topic>Growing season</topic><topic>Overwintering</topic><topic>Pine needles</topic><topic>Pine trees</topic><topic>Plant physiology and development</topic><topic>Proteins</topic><topic>Seasonal variations</topic><topic>Seeds</topic><topic>Spring</topic><topic>Tissues</topic><topic>Water and solutes. 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Dehydrin-related proteins of 60 and 56 kDa were identified immunologically in all tissues. The concentration of the 60-kDa dehydrin was highest during the winter (October-February) in buds and bark but increased in early spring (March-May) in needles. Accumulation of the 60-kDa dehydrin in the needles in springtime was related to the decreasing osmotic potentials of the needles. The 56-kDa dehydrin was present only during the growing season, as was a 50-kDa dehydrin, which only appeared in bud and bark tissues. The soluble protein concentration of needles did not differ significantly between seasons, but in bark and bud tissues the protein concentrations were at their lowest level in newly grown tissues (June-August). The level of several polypeptides was higher during the winter-spring period than in the growing season, especially in bark and bud tissues. These proteins may be related to cold hardiness or dormancy in overwintering Scots pine. Dehydrin-related proteins in needles are linked to springtime changes in the osmotic status of needles rather than to their cold acclimation.[PUBLICATION ABSTRACT]</abstract><cop>Berlin</cop><pub>Springer</pub><doi>10.1007/s004680100124</doi><tpages>6</tpages></addata></record> |
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| subjects | Acclimatization Agricultural and forest climatology and meteorology. Irrigation. Drainage Agricultural and forest meteorology Agronomy. Soil science and plant productions Bark Biological and medical sciences Climatic adaptation. Acclimatization Economic plant physiology Evergreen trees Fundamental and applied biological sciences. Psychology General agronomy. Plant production Growing season Overwintering Pine needles Pine trees Plant physiology and development Proteins Seasonal variations Seeds Spring Tissues Water and solutes. Absorption, translocation and permeability Water relations, transpiration, stomata Winter |
| title | Seasonal fluctuation of dehydrins is related to osmotic status in Scots pine needles |
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