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| 1 | Two New Diterpenoids from Hedychium forrestii显示文摘Two new labdane diterpenes isolated from the rhizomes of Hedychium forrestii were determined by spectroscopic evidence to be labda-8(17), 11, 13-trien-7β-hydroxyl-15(16)-olide (1, hedyforrestin B) and labda-8(17), 11, 13-trien-7β,16-dihydroxyl-16(15)-olide (2, hedyforrestin C). | QingZHAO XinHONG YunSongWANG ChengZOU XiaoJiangHAO | 2003 | Chinese Chemical Letters2003，14，11： | 5 |
| 2 | The Reduction of a Natural Diterpene Containing a, B-Unsaturated Keto Group显示文摘Hedychenone (1), a diterpene containing α, β-unsaturated keto group, was reduced by aluminum-mercury alloy, and a dimerized product (2) was obtained as the major product. The coupling occurred at β position of the keto group. | QingZHAO XinHONG ChengZOU YueMaoSHEN XiaoJiangHAO QingZHAO XinHONG YueMaoSHEN XiaoJiangHAO | 2003 | Chinese Chemical Letters2003，14，10： | 0 |
| 3 | Immunolocalization of Arabinogalactan Proteins and Pectins in Floral Buds of Cucumber (Cucumis sativus L.) During Sex Determination显示文摘Arabinogalactan proteins (AGPs) and pectins were detected in the floral buds of cucumber (Cucumis sativus L.) during its sex determination using the following monoclonal antibodies: MAC 207 (recognizes AGP epitopes); JIM 8 (recognizes a subset ofAGP epitopes); and JIM 5 and JIM 7 (epitopes of pectins esterified to various degrees). In the stem apex meristem (SAM) of the cucumber, epitopes of MAC 207, JIM 7, and JIM 5 were localized in the cells from second to third peripheral layers when the sex organ primodium began to differentiate; epitopes of MAC 207 and JIM 5 were also detected in the ragged edge cells. A very dense labeling signal with MAC 207 was observed in the carpel and pistil primodium. The AGP epitopes recognized by JIM 8 were localized in the anther of the male flower and the anther-like portion of the stagnant stamen of the female flower. This suggests that the AGPs and pectins in the SAM of the cucumber are closely associated with the differentiation of the SAM, from meristematic cells to floral primodium. The subset of AGPs recognized by JIM 8 may play an important role in stamen formation. | Yi-BenPENG ChengZOU Hua-QinGONG Shu-NongBAI Zhi-HongXU Yi-QinLI | 2005 | Journal of Integrative Plant Biology2005，47，2： | 0 |
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