Immunohistochemical localization of enzymes related to lignin biosynthesis in the primary xylem of hybrid aspen [Populus]
We have investigated the spatial regulation of the accumulation of enzymes involved in the biosynthesis of shikimate and lignin during differentiation of primary xylem from the apical meristem via procambium in hybrid aspen (Populus sieboldii x Populus grandidentata). Immuohistochemical staining rev...
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| Veröffentlicht in: | Journal of wood science 2002-12, Vol.48 (6), p.457-466 |
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| container_title | Journal of wood science |
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| creator | Katayama, Y. (Tokyo Univ. (Japan)) Mashino, Y Nishikubo, N Yoshitomi, K Funada, R Kajita, S |
| description | We have investigated the spatial regulation of the accumulation of enzymes involved in the biosynthesis of shikimate and lignin during differentiation of primary xylem from the apical meristem via procambium in hybrid aspen (Populus sieboldii x Populus grandidentata). Immuohistochemical staining revealed that, in the top part of shoots, lignification began in a single or just a few adjacent vessel elements and subsequently spread to neighboring cells. The spatial localization of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase (DAHPS), which is one of the key enzymes in the shikimate pathway, was tightly correlated with the cell-specific deposition of lignin in the primary xylem. We also found that the spatial localization of enzymes in the general phenylpropanoid pathway and in the lignin-specific pathway was closely associated with the cell-specific deposition of lignin and the accumulation of DAHPS. Our data suggest that enzymes that act in the shikimate, general phenylpropanoid, and lignin-specific pathways are initially produced and function coordinately in a single or a few adjacent elements at the start of primary xylem development. |
| doi_str_mv | 10.1007/BF00766640 |
| format | Article |
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(Tokyo Univ. (Japan)) ; Mashino, Y ; Nishikubo, N ; Yoshitomi, K ; Funada, R ; Kajita, S</creator><creatorcontrib>Katayama, Y. (Tokyo Univ. (Japan)) ; Mashino, Y ; Nishikubo, N ; Yoshitomi, K ; Funada, R ; Kajita, S</creatorcontrib><description>We have investigated the spatial regulation of the accumulation of enzymes involved in the biosynthesis of shikimate and lignin during differentiation of primary xylem from the apical meristem via procambium in hybrid aspen (Populus sieboldii x Populus grandidentata). Immuohistochemical staining revealed that, in the top part of shoots, lignification began in a single or just a few adjacent vessel elements and subsequently spread to neighboring cells. The spatial localization of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase (DAHPS), which is one of the key enzymes in the shikimate pathway, was tightly correlated with the cell-specific deposition of lignin in the primary xylem. We also found that the spatial localization of enzymes in the general phenylpropanoid pathway and in the lignin-specific pathway was closely associated with the cell-specific deposition of lignin and the accumulation of DAHPS. Our data suggest that enzymes that act in the shikimate, general phenylpropanoid, and lignin-specific pathways are initially produced and function coordinately in a single or a few adjacent elements at the start of primary xylem development.</description><identifier>ISSN: 1435-0211</identifier><identifier>EISSN: 1611-4663</identifier><identifier>DOI: 10.1007/BF00766640</identifier><language>eng</language><publisher>Tokyo: Springer</publisher><subject>Accumulation ; Agronomy. Soil science and plant productions ; Biological and medical sciences ; BIOSYNTHESIS ; Deposition ; Economic plant physiology ; ENZYMES ; Fundamental and applied biological sciences. Psychology ; HYBRIDS ; Lignin ; LIGNINS ; Localization ; Metabolism ; Metabolism. Physicochemical requirements ; Nitrogen metabolism and other ones (excepting carbon metabolism) ; Nutrition. Photosynthesis. Respiration. Metabolism ; PLANT PHYSIOLOGY ; Plant physiology and development ; POPULUS ; XYLEM</subject><ispartof>Journal of wood science, 2002-12, Vol.48 (6), p.457-466</ispartof><rights>2003 INIST-CNRS</rights><rights>Journal of Wood Science is a copyright of Springer, (2002). 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(Japan))</creatorcontrib><creatorcontrib>Mashino, Y</creatorcontrib><creatorcontrib>Nishikubo, N</creatorcontrib><creatorcontrib>Yoshitomi, K</creatorcontrib><creatorcontrib>Funada, R</creatorcontrib><creatorcontrib>Kajita, S</creatorcontrib><title>Immunohistochemical localization of enzymes related to lignin biosynthesis in the primary xylem of hybrid aspen [Populus]</title><title>Journal of wood science</title><description>We have investigated the spatial regulation of the accumulation of enzymes involved in the biosynthesis of shikimate and lignin during differentiation of primary xylem from the apical meristem via procambium in hybrid aspen (Populus sieboldii x Populus grandidentata). Immuohistochemical staining revealed that, in the top part of shoots, lignification began in a single or just a few adjacent vessel elements and subsequently spread to neighboring cells. The spatial localization of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase (DAHPS), which is one of the key enzymes in the shikimate pathway, was tightly correlated with the cell-specific deposition of lignin in the primary xylem. We also found that the spatial localization of enzymes in the general phenylpropanoid pathway and in the lignin-specific pathway was closely associated with the cell-specific deposition of lignin and the accumulation of DAHPS. Our data suggest that enzymes that act in the shikimate, general phenylpropanoid, and lignin-specific pathways are initially produced and function coordinately in a single or a few adjacent elements at the start of primary xylem development.</description><subject>Accumulation</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>BIOSYNTHESIS</subject><subject>Deposition</subject><subject>Economic plant physiology</subject><subject>ENZYMES</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>HYBRIDS</subject><subject>Lignin</subject><subject>LIGNINS</subject><subject>Localization</subject><subject>Metabolism</subject><subject>Metabolism. Physicochemical requirements</subject><subject>Nitrogen metabolism and other ones (excepting carbon metabolism)</subject><subject>Nutrition. Photosynthesis. Respiration. 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(Japan)) ; Mashino, Y ; Nishikubo, N ; Yoshitomi, K ; Funada, R ; Kajita, S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-1598bfd97db9553ccaaa0c6cd6b822540b94ddd1e8865733db8974326e6b7df73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Accumulation</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>BIOSYNTHESIS</topic><topic>Deposition</topic><topic>Economic plant physiology</topic><topic>ENZYMES</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>HYBRIDS</topic><topic>Lignin</topic><topic>LIGNINS</topic><topic>Localization</topic><topic>Metabolism</topic><topic>Metabolism. Physicochemical requirements</topic><topic>Nitrogen metabolism and other ones (excepting carbon metabolism)</topic><topic>Nutrition. Photosynthesis. Respiration. 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(Tokyo Univ. (Japan))</au><au>Mashino, Y</au><au>Nishikubo, N</au><au>Yoshitomi, K</au><au>Funada, R</au><au>Kajita, S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Immunohistochemical localization of enzymes related to lignin biosynthesis in the primary xylem of hybrid aspen [Populus]</atitle><jtitle>Journal of wood science</jtitle><date>2002-12-01</date><risdate>2002</risdate><volume>48</volume><issue>6</issue><spage>457</spage><epage>466</epage><pages>457-466</pages><issn>1435-0211</issn><eissn>1611-4663</eissn><abstract>We have investigated the spatial regulation of the accumulation of enzymes involved in the biosynthesis of shikimate and lignin during differentiation of primary xylem from the apical meristem via procambium in hybrid aspen (Populus sieboldii x Populus grandidentata). Immuohistochemical staining revealed that, in the top part of shoots, lignification began in a single or just a few adjacent vessel elements and subsequently spread to neighboring cells. The spatial localization of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase (DAHPS), which is one of the key enzymes in the shikimate pathway, was tightly correlated with the cell-specific deposition of lignin in the primary xylem. We also found that the spatial localization of enzymes in the general phenylpropanoid pathway and in the lignin-specific pathway was closely associated with the cell-specific deposition of lignin and the accumulation of DAHPS. Our data suggest that enzymes that act in the shikimate, general phenylpropanoid, and lignin-specific pathways are initially produced and function coordinately in a single or a few adjacent elements at the start of primary xylem development.</abstract><cop>Tokyo</cop><pub>Springer</pub><doi>10.1007/BF00766640</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Accumulation Agronomy. Soil science and plant productions Biological and medical sciences BIOSYNTHESIS Deposition Economic plant physiology ENZYMES Fundamental and applied biological sciences. Psychology HYBRIDS Lignin LIGNINS Localization Metabolism Metabolism. Physicochemical requirements Nitrogen metabolism and other ones (excepting carbon metabolism) Nutrition. Photosynthesis. Respiration. Metabolism PLANT PHYSIOLOGY Plant physiology and development POPULUS XYLEM |
| title | Immunohistochemical localization of enzymes related to lignin biosynthesis in the primary xylem of hybrid aspen [Populus] |
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