Relationships of the Gymnosperms and Angiosperms Estimated on the Basis of Data Obtained by Biochemical Methods

V. F. Semikhov; L. P. Arefeva; S. Yu. Zolkin; A. S. Timoshchenko; O. A. Novozhilova; D. S. Kostrikin

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Relationships of the Gymnosperms and Angiosperms Estimated on the Basis of Data Obtained by Biochemical Methods

机译：根据生化方法获得的数据估计裸子植物和被子植物的关系

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The phylogenetic relationships of gymnospermous and angiospermous plants were studied. To this end, 13 antisera to seed proteins of plant taxa representing all the four classes of the gymnosperms were obtained. The antigens used in immunochemical reactions with these antisera included the proteins of 134 seed samples representing 91 families from all the 11 subclasses of dicotyledons and 64 seed samples representing 33 families from five out of six classes of monocotyledons (according to Takhtajan, 1996). Immunochemical analysis was performed by the methods of double immunodiffusion in agar gel (two variants) and immunoelec-troblotting. In addition, some samples of seed proteins were analyzed for amino acid composition. The results corroborate the concept that the seed plants are a monophyletic taxon. The angiosperms apparently originated from a progymnospermous ancestor or branched from the main stem of gymnosperms prior to its division into the recent phyla. No common ancestor of all subclasses of the angiosperms has been identified.

机译：研究了裸子植物和被子植物的系统发育关系。为此，获得了针对植物类群的种子蛋白的13种抗血清，其代表裸子植物的所有四类。与这些抗血清进行免疫化学反应时所用的抗原包括代表双子叶植物所有11个亚类的91个科的134个种子样品的蛋白质和代表来自六种单子叶植物中的五个的33个科的64个种子样品的蛋白质（根据Takhtajan，1996年）。免疫化学分析是通过在琼脂凝胶（两个变体）中进行双重免疫扩散和免疫电印迹的方法进行的。另外，分析了一些种子蛋白样品的氨基酸组成。结果证实了种子植物是单系统分类群的概念。被子植物显然起源于前子体的先祖，或分支于裸子植物的主茎上，然后再划分为新的门。尚未发现被子植物所有亚类的共同祖先。

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《Biology Bulletin》 |2004年第1期|p.21-35|共15页
作者
V. F. Semikhov; L. P. Arefeva; S. Yu. Zolkin; A. S. Timoshchenko; O. A. Novozhilova; D. S. Kostrikin;
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Main Botanical Garden, Russian Academy of Sciences, Botanicheskaya ul. 4, Moscow, 127276 Russia;

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正文语种 eng
中图分类生物科学;
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Relationships of the Gymnosperms and Angiosperms Estimated on the Basis of Data Obtained by Biochemical Methods

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