An efficient cryopreservation procedure for potato (Solanum tuberosum L.) utilizing the new ice blocking agent, Supercool X1000
Cryopreservation has been recognized as a practical and efficient tool for long-term storage of vegetatively propagated plants. This study was conducted to investigate effects of modified vitrification techniques on cryopreservation of potato. In vitro plants of potato cultivars "Superior"...
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| Veröffentlicht in: | Plant cell reports 2005-10, Vol.24 (8), p.477-481 |
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| creator | ZHAO, M. A XHU, Y. Z DHITAL, S. P KHU, D. M SONG, Y. S WANG, M. Y LIM, H. T |
| description | Cryopreservation has been recognized as a practical and efficient tool for long-term storage of vegetatively propagated plants. This study was conducted to investigate effects of modified vitrification techniques on cryopreservation of potato. In vitro plants of potato cultivars "Superior" and "Atlantic" were cold acclimated, and axillary buds were precultured, osmoprotected, exposed to PVS-2 solution, plunged into liquid nitrogen, thawed, and finally planted in the regeneration medium. In the modified vitrification technique an ice-blocking agent, Supercool X1000, was added with PVS-2 solution. Cold acclimation affected survival of cryopreserved shoot tips, and the highest survival (46.7%) was obtained after 3 weeks of acclimation at 10 degrees C. Shoot tips exposed to 2M glycerol plus 0.6M sucrose for 40 min gave 51.5% and 11.7% survival in "Atlantic" and "Superior" at 10 degrees C, respectively. Cold acclimated and osmoprotected shoot tips were dehydrated with PVS-2 containing different concentrations of Supercool X1000 prior to a plunge into liquid nitrogen. Treatments with 0.1% and 1% of Supercool X1000 significantly improved survival by 55% in "Superior" and 71.3% in "Atlantic", respectively. After cryopreservation, vitrified shoot tips resumed growth within a week in a medium (1 mg l(-1) GA(3), 0.5 mg l(-1) zeatin, and 0.1 mg l(-1) IAA) with a low level of Pluronic F-68 (0.005%) and survival was 33.7% higher in "Atlantic" and 14.7% higher in "Superior" than the control (without Pluronic F-68). |
| doi_str_mv | 10.1007/s00299-005-0970-8 |
| format | Article |
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Shoot tips exposed to 2M glycerol plus 0.6M sucrose for 40 min gave 51.5% and 11.7% survival in "Atlantic" and "Superior" at 10 degrees C, respectively. Cold acclimated and osmoprotected shoot tips were dehydrated with PVS-2 containing different concentrations of Supercool X1000 prior to a plunge into liquid nitrogen. Treatments with 0.1% and 1% of Supercool X1000 significantly improved survival by 55% in "Superior" and 71.3% in "Atlantic", respectively. After cryopreservation, vitrified shoot tips resumed growth within a week in a medium (1 mg l(-1) GA(3), 0.5 mg l(-1) zeatin, and 0.1 mg l(-1) IAA) with a low level of Pluronic F-68 (0.005%) and survival was 33.7% higher in "Atlantic" and 14.7% higher in "Superior" than the control (without Pluronic F-68).</description><identifier>ISSN: 0721-7714</identifier><identifier>EISSN: 1432-203X</identifier><identifier>DOI: 10.1007/s00299-005-0970-8</identifier><identifier>PMID: 15864594</identifier><identifier>CODEN: PCRPD8</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Acclimatization ; Biological and medical sciences ; Biotechnology ; Cryopreservation ; Cryoprotective Agents ; Cultivars ; Eukaryotic cell cultures ; Fundamental and applied biological sciences. Psychology ; Ice ; Methods. Procedures. 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In the modified vitrification technique an ice-blocking agent, Supercool X1000, was added with PVS-2 solution. Cold acclimation affected survival of cryopreserved shoot tips, and the highest survival (46.7%) was obtained after 3 weeks of acclimation at 10 degrees C. Shoot tips exposed to 2M glycerol plus 0.6M sucrose for 40 min gave 51.5% and 11.7% survival in "Atlantic" and "Superior" at 10 degrees C, respectively. Cold acclimated and osmoprotected shoot tips were dehydrated with PVS-2 containing different concentrations of Supercool X1000 prior to a plunge into liquid nitrogen. Treatments with 0.1% and 1% of Supercool X1000 significantly improved survival by 55% in "Superior" and 71.3% in "Atlantic", respectively. After cryopreservation, vitrified shoot tips resumed growth within a week in a medium (1 mg l(-1) GA(3), 0.5 mg l(-1) zeatin, and 0.1 mg l(-1) IAA) with a low level of Pluronic F-68 (0.005%) and survival was 33.7% higher in "Atlantic" and 14.7% higher in "Superior" than the control (without Pluronic F-68).</description><subject>Acclimatization</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>Cryopreservation</subject><subject>Cryoprotective Agents</subject><subject>Cultivars</subject><subject>Eukaryotic cell cultures</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Ice</subject><subject>Methods. Procedures. 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A</au><au>XHU, Y. Z</au><au>DHITAL, S. P</au><au>KHU, D. M</au><au>SONG, Y. S</au><au>WANG, M. Y</au><au>LIM, H. T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An efficient cryopreservation procedure for potato (Solanum tuberosum L.) utilizing the new ice blocking agent, Supercool X1000</atitle><jtitle>Plant cell reports</jtitle><addtitle>Plant Cell Rep</addtitle><date>2005-10-01</date><risdate>2005</risdate><volume>24</volume><issue>8</issue><spage>477</spage><epage>481</epage><pages>477-481</pages><issn>0721-7714</issn><eissn>1432-203X</eissn><coden>PCRPD8</coden><abstract>Cryopreservation has been recognized as a practical and efficient tool for long-term storage of vegetatively propagated plants. This study was conducted to investigate effects of modified vitrification techniques on cryopreservation of potato. In vitro plants of potato cultivars "Superior" and "Atlantic" were cold acclimated, and axillary buds were precultured, osmoprotected, exposed to PVS-2 solution, plunged into liquid nitrogen, thawed, and finally planted in the regeneration medium. In the modified vitrification technique an ice-blocking agent, Supercool X1000, was added with PVS-2 solution. Cold acclimation affected survival of cryopreserved shoot tips, and the highest survival (46.7%) was obtained after 3 weeks of acclimation at 10 degrees C. Shoot tips exposed to 2M glycerol plus 0.6M sucrose for 40 min gave 51.5% and 11.7% survival in "Atlantic" and "Superior" at 10 degrees C, respectively. Cold acclimated and osmoprotected shoot tips were dehydrated with PVS-2 containing different concentrations of Supercool X1000 prior to a plunge into liquid nitrogen. Treatments with 0.1% and 1% of Supercool X1000 significantly improved survival by 55% in "Superior" and 71.3% in "Atlantic", respectively. After cryopreservation, vitrified shoot tips resumed growth within a week in a medium (1 mg l(-1) GA(3), 0.5 mg l(-1) zeatin, and 0.1 mg l(-1) IAA) with a low level of Pluronic F-68 (0.005%) and survival was 33.7% higher in "Atlantic" and 14.7% higher in "Superior" than the control (without Pluronic F-68).</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>15864594</pmid><doi>10.1007/s00299-005-0970-8</doi><tpages>5</tpages></addata></record> |
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| subjects | Acclimatization Biological and medical sciences Biotechnology Cryopreservation Cryoprotective Agents Cultivars Eukaryotic cell cultures Fundamental and applied biological sciences. Psychology Ice Methods. Procedures. Technologies Miscellaneous Nitrogen Plant cells and fungal cells Poloxamer Potatoes Solanum tuberosum Survival |
| title | An efficient cryopreservation procedure for potato (Solanum tuberosum L.) utilizing the new ice blocking agent, Supercool X1000 |
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