PUTATIVE RECEPTOR FOR THE PLANT-GROWTH HORMONE AUXIN IDENTIFIED AND CHARACTERIZED BY ANTIIDIOTYPIC ANTIBODIES

被引:38
作者
PRASAD, PV [1 ]
JONES, AM [1 ]
机构
[1] SCRIPPS RES INST, DEPT MOLEC BIOL, LA JOLLA, CA 92037 USA
关键词
AUXIN-BINDING PROTEINS; SOYBEAN; 2,4-DICHLOROPHENOXYACETIC ACID; INDOLE-3-ACETIC ACID; PLANT GROWTH REGULATORS; BINDING PROTEIN; ANTIIDIOTYPIC ANTIBODIES; RAPID INDUCTION; PROBES; LOCALIZATION; COLEOPTILE; QUANTITIES; IMPORT; MAIZE;
D O I
10.1073/pnas.88.13.5479
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The molecular mechanism of action of auxins, which are an important class of plant growth regulators, is not known. While they are thought to influence cellular processes such as gene expression and membrane hyperpolarization by binding to specific receptors, no receptor mediating these processes has been unambiguously identified. We describe the identification of a putative auxin receptor by using anti-idiotypic antibodies. We have demonstrated that a 65-kilodalton protein found in a wide range of plants specifically binds auxins. Furthermore, since it is localized to the nucleus, it is a candidate for an auxin receptor that mediates some nuclear process.
引用
收藏
页码:5479 / 5483
页数:5
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