| 嫁接早期IAA在西葫芦／南瓜嫁接面处薄壁细胞和维管分子中的免疫 … |
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| 引用本文： | 王幼群,韩静.嫁接早期IAA在西葫芦／南瓜嫁接面处薄壁细胞和维管分子中的免疫 …[J].实验生物学报,2000,33(2):171-177. |
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| 作者姓名： | 王幼群 韩静 |
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| 摘 要： |
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| 关 键 词： | 离休茎段嫁接 IAA 免疫化学定位 维管组织分化 |
Immunocytological localization of IAA in the parenchyma cell and vascular elements in the graft union of Cucurbita pepo/Cucurbita moschata at the early developmental stage] |
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| Y Q Wang,J Han,W S Jia,Z Du.Immunocytological localization of IAA in the parenchyma cell and vascular elements in the graft union of Cucurbita pepo/Cucurbita moschata at the early developmental stage][J].Acta Biologiae Experimentalis Sinica,2000,33(2):171-177. |
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| Authors: | Y Q Wang J Han W S Jia Z Du |
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| Institution: | College of Biological Science, China Agricultural University, Beijing 100094. |
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| Abstract: | Immuno-gold localization of IAA in cells of the graft union in the explant internode graft of Cucurbita pepo/Cucurbita moschata were investigated with electron microscopy. In parenchyma cells near the graft union, the gold particles were mainly accumulated in nucleus, plastid and endoplasmic reticulum, while no gold particles was detected in Golgi body, mitochondrion, cell wall and vacuoles. In the differentiating xylem element, the gold particles were labeled in secondary wall and cytoplasm. In the sieve element gold particles were found in the sieve plate, sieve pore and cytoplasm. There was a dense label of the gold particles in the companion cell. The role of IAA in the differentiation of the vascular elements was discussed. |
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