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| Effect of Phytosulfokine-α on Agrobacterium-Mediated Transformation in Rice | |
| 作者姓名： | CHEN De-xi XU Zheng-jun MA Bing-tian LI Shi-gui |
| 作者单位： | Rice Research Institute，Sichuan Agricultural University，Wenjiang 611130，China |
| 摘 要： | Phytosulfokine(PSK)is a new peptide plant hormone,which was isolated in the conditioned medium of cultures derived from both monoco-tyledonous and dicotyledonous plants,such as Asparagus officinalis mesophyll1],rice2],zinnia3],and carrot4].PSK has two types of structure:PSK-αand PSK-β.The former is a sulfated pentapeptideH-Tyr(SO3H)-Ile-Tyr(SO3H)-Thr-Gln-OH],the latter is a sulfated terapeptideH-Tyr(SO3H)-Ile-Tyr(SO3H)-Thr-OH].Both are heat-stable,susceptible to pronase… |
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