对蚕豆韧皮部双向转运的微放射自显影研究。
Microautoradiographic investigations on bidirectional translocation in the phloem of Vicia faba.
机构信息
Forstbotanisches Institut der Universität Göttingen, Büsgenweg 2, D-3400, Göttingen-Weende, Federal Republic of Germany.
出版信息
Planta. 1973 Jun;112(2):169-79. doi: 10.1007/BF00388587.
PMID:24469898
Abstract
Using radioactive phenylalanine as a tracer, bidirectional translocation in the phloem of a single stem bundle of Vicia faba L. was detected by analyses of microautoradiographs. Bidirectional translocation occurred in lateral leaf traces subtending a leaf of a certain developmental stage. Before and after this stage, translocation was unidirectional, either acropetal or basipetal, respectively.
摘要
利用放射性苯丙氨酸作为示踪剂，通过对微放射性自显影的分析，检测到了蚕豆单茎束韧皮部中的双向转运。双向转运发生在侧生叶迹上，这些侧生叶迹支撑着某个发育阶段的叶片。在此阶段之前和之后，转运分别是向顶的或向基的，都是单向的。
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