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Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants
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| Zeitschriftentitel: | Plant Biotechnology Journal |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Plant Biotechnology Journal, 10, 2012, 9, S. 1088-1098 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Jonik, Claudia Sonnewald, Uwe Hajirezaei, Mohammad‐Reza Flügge, Ulf‐Ingo Ludewig, Frank Jonik, Claudia Sonnewald, Uwe Hajirezaei, Mohammad‐Reza Flügge, Ulf‐Ingo Ludewig, Frank |
|---|---|
| author |
Jonik, Claudia Sonnewald, Uwe Hajirezaei, Mohammad‐Reza Flügge, Ulf‐Ingo Ludewig, Frank |
| spellingShingle |
Jonik, Claudia Sonnewald, Uwe Hajirezaei, Mohammad‐Reza Flügge, Ulf‐Ingo Ludewig, Frank Plant Biotechnology Journal Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants Plant Science Agronomy and Crop Science Biotechnology |
| author_sort |
jonik, claudia |
| spelling |
Jonik, Claudia Sonnewald, Uwe Hajirezaei, Mohammad‐Reza Flügge, Ulf‐Ingo Ludewig, Frank 1467-7644 1467-7652 Wiley Plant Science Agronomy and Crop Science Biotechnology http://dx.doi.org/10.1111/j.1467-7652.2012.00736.x <jats:title>Summary</jats:title><jats:p>An important goal in biotechnological research is to improve the yield of crop plants. Here, we genetically modified simultaneously source and sink capacities in potato (<jats:italic><jats:styled-content style="fixed-case">S</jats:styled-content>olanum tuberosum</jats:italic> cv. <jats:styled-content style="fixed-case">D</jats:styled-content>esirée) plants to improve starch yield. Source capacity was increased by mesophyll‐specific overexpression of a pyrophosphatase or, alternatively, by antisense expression of the <jats:styled-content style="fixed-case">ADP</jats:styled-content>‐glucose pyrophosphorylase in leaves. Both approaches make use of re‐routing photoassimilates to sink organs at the expense of leaf starch accumulation. Simultaneous increase in sink capacity was accomplished by overexpression of two plastidic metabolite translocators, that is, a glucose 6‐phosphate/phosphate translocator and an adenylate translocator in tubers. Employing such a ‘pull’ approach, we have previously shown that potato starch content and yield can be increased when sink strength is elevated. In the current biotechnological approach, we successfully enhanced source and sink capacities by a combination of ‘pull’ and ‘push’ approaches using two different attempts. A doubling in tuber starch yield was achieved. This successful approach might be transferable to other crop plants in the future.</jats:p> Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants Plant Biotechnology Journal |
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10.1111/j.1467-7652.2012.00736.x |
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Biologie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Technik |
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Plant Biotechnology Journal |
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49 |
| title |
Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_unstemmed |
Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_full |
Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_fullStr |
Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_full_unstemmed |
Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_short |
Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_sort |
simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| topic |
Plant Science Agronomy and Crop Science Biotechnology |
| url |
http://dx.doi.org/10.1111/j.1467-7652.2012.00736.x |
| publishDate |
2012 |
| physical |
1088-1098 |
| description |
<jats:title>Summary</jats:title><jats:p>An important goal in biotechnological research is to improve the yield of crop plants. Here, we genetically modified simultaneously source and sink capacities in potato (<jats:italic><jats:styled-content style="fixed-case">S</jats:styled-content>olanum tuberosum</jats:italic> cv. <jats:styled-content style="fixed-case">D</jats:styled-content>esirée) plants to improve starch yield. Source capacity was increased by mesophyll‐specific overexpression of a pyrophosphatase or, alternatively, by antisense expression of the <jats:styled-content style="fixed-case">ADP</jats:styled-content>‐glucose pyrophosphorylase in leaves. Both approaches make use of re‐routing photoassimilates to sink organs at the expense of leaf starch accumulation. Simultaneous increase in sink capacity was accomplished by overexpression of two plastidic metabolite translocators, that is, a glucose 6‐phosphate/phosphate translocator and an adenylate translocator in tubers. Employing such a ‘pull’ approach, we have previously shown that potato starch content and yield can be increased when sink strength is elevated. In the current biotechnological approach, we successfully enhanced source and sink capacities by a combination of ‘pull’ and ‘push’ approaches using two different attempts. A doubling in tuber starch yield was achieved. This successful approach might be transferable to other crop plants in the future.</jats:p> |
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| author | Jonik, Claudia, Sonnewald, Uwe, Hajirezaei, Mohammad‐Reza, Flügge, Ulf‐Ingo, Ludewig, Frank |
| author_facet | Jonik, Claudia, Sonnewald, Uwe, Hajirezaei, Mohammad‐Reza, Flügge, Ulf‐Ingo, Ludewig, Frank, Jonik, Claudia, Sonnewald, Uwe, Hajirezaei, Mohammad‐Reza, Flügge, Ulf‐Ingo, Ludewig, Frank |
| author_sort | jonik, claudia |
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| description | <jats:title>Summary</jats:title><jats:p>An important goal in biotechnological research is to improve the yield of crop plants. Here, we genetically modified simultaneously source and sink capacities in potato (<jats:italic><jats:styled-content style="fixed-case">S</jats:styled-content>olanum tuberosum</jats:italic> cv. <jats:styled-content style="fixed-case">D</jats:styled-content>esirée) plants to improve starch yield. Source capacity was increased by mesophyll‐specific overexpression of a pyrophosphatase or, alternatively, by antisense expression of the <jats:styled-content style="fixed-case">ADP</jats:styled-content>‐glucose pyrophosphorylase in leaves. Both approaches make use of re‐routing photoassimilates to sink organs at the expense of leaf starch accumulation. Simultaneous increase in sink capacity was accomplished by overexpression of two plastidic metabolite translocators, that is, a glucose 6‐phosphate/phosphate translocator and an adenylate translocator in tubers. Employing such a ‘pull’ approach, we have previously shown that potato starch content and yield can be increased when sink strength is elevated. In the current biotechnological approach, we successfully enhanced source and sink capacities by a combination of ‘pull’ and ‘push’ approaches using two different attempts. A doubling in tuber starch yield was achieved. This successful approach might be transferable to other crop plants in the future.</jats:p> |
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| imprint_str_mv | Wiley, 2012 |
| institution | DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161 |
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| spelling | Jonik, Claudia Sonnewald, Uwe Hajirezaei, Mohammad‐Reza Flügge, Ulf‐Ingo Ludewig, Frank 1467-7644 1467-7652 Wiley Plant Science Agronomy and Crop Science Biotechnology http://dx.doi.org/10.1111/j.1467-7652.2012.00736.x <jats:title>Summary</jats:title><jats:p>An important goal in biotechnological research is to improve the yield of crop plants. Here, we genetically modified simultaneously source and sink capacities in potato (<jats:italic><jats:styled-content style="fixed-case">S</jats:styled-content>olanum tuberosum</jats:italic> cv. <jats:styled-content style="fixed-case">D</jats:styled-content>esirée) plants to improve starch yield. Source capacity was increased by mesophyll‐specific overexpression of a pyrophosphatase or, alternatively, by antisense expression of the <jats:styled-content style="fixed-case">ADP</jats:styled-content>‐glucose pyrophosphorylase in leaves. Both approaches make use of re‐routing photoassimilates to sink organs at the expense of leaf starch accumulation. Simultaneous increase in sink capacity was accomplished by overexpression of two plastidic metabolite translocators, that is, a glucose 6‐phosphate/phosphate translocator and an adenylate translocator in tubers. Employing such a ‘pull’ approach, we have previously shown that potato starch content and yield can be increased when sink strength is elevated. In the current biotechnological approach, we successfully enhanced source and sink capacities by a combination of ‘pull’ and ‘push’ approaches using two different attempts. A doubling in tuber starch yield was achieved. This successful approach might be transferable to other crop plants in the future.</jats:p> Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants Plant Biotechnology Journal |
| spellingShingle | Jonik, Claudia, Sonnewald, Uwe, Hajirezaei, Mohammad‐Reza, Flügge, Ulf‐Ingo, Ludewig, Frank, Plant Biotechnology Journal, Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants, Plant Science, Agronomy and Crop Science, Biotechnology |
| title | Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_full | Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_fullStr | Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_full_unstemmed | Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_short | Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_sort | simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| title_unstemmed | Simultaneous boosting of source and sink capacities doubles tuber starch yield of potato plants |
| topic | Plant Science, Agronomy and Crop Science, Biotechnology |
| url | http://dx.doi.org/10.1111/j.1467-7652.2012.00736.x |