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本文引用的文献

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1-N-naphthylphthalamic acid and 2,3,5-triiodobenzoic acid : In-vitro binding to particulate cell fractions and action on auxin transport in corn coleoptiles.1-萘基邻氨甲酰苯甲酸和 2,3,5-三碘代苯甲酸：与颗粒细胞部分的体外结合及对玉米中胚轴生长素运输的作用。
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The action of specific inhibitors of auxin transport on uptake of auxin and binding of N-1-naphthylphthalamic acid to a membrane site in maize coleoptiles.生长素运输的特异性抑制剂对玉米胚芽鞘中生长素摄取和 N-1-萘基邻苯二甲酰亚胺与膜结合位点结合的作用。
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RNA Template-Specific Polymerase Chain Reaction (RS-PCR) : A Modification of RNA-PCR that Dramatically Reduces the Frequency of False Positives.RNA模板特异性聚合酶链反应（RS-PCR）：一种对RNA-PCR的改进方法，可显著降低假阳性频率。
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Reversible root tip rotation in Arabidopsis seedlings induced by obstacle-touching stimulus.拟南芥幼苗因触碰到障碍物而导致根尖可逆旋转。
Science. 1990 Oct 12;250(4978):274-6. doi: 10.1126/science.250.4978.274.
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Basal localization of the presumptive auxin transport carrier in pea stem cells.拟生长素运输载体在豌豆茎细胞中的基础定位。
Science. 1983 Jun 17;220(4603):1297-300. doi: 10.1126/science.220.4603.1297.
6
Biochemical Bases for the Loss of Basipetal IAA Transport with Advancing Physiological Age in Etiolated Helianthus Hypocotyls: Changes in IAA Movement, Net IAA Uptake, and Phytotropin Binding.黄化向日葵下胚轴中向基性吲哚-3-乙酸（IAA）运输随生理年龄增长而丧失的生化基础：IAA移动、IAA净吸收和植物生长素结合的变化
Plant Physiol. 1991 Jul;96(3):875-80. doi: 10.1104/pp.96.3.875.
7
Auxin Transport Inhibitors: IV. EVIDENCE OF A COMMON MODE OF ACTION FOR A PROPOSED CLASS OF AUXIN TRANSPORT INHIBITORS: THE PHYTOTROPINS.生长素运输抑制剂：IV. 拟议的生长素运输抑制剂类别的作用模式证据：植物生长素。
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8
AUXIN BIOSYNTHESIS.生长素生物合成
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9
Uncoupling Auxin and Ethylene Effects in Transgenic Tobacco and Arabidopsis Plants.在转基因烟草和拟南芥植物中解偶联生长素和乙烯的效应
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10
Inhibition of polar calcium movement and gravitropism in roots treated with auxin-transport inhibitors.生长素运输抑制剂处理的根中极性钙移动和向地性的抑制
Planta. 1984;160:536-43.

EIR1是一种参与生长素运输的根特异性蛋白，是拟南芥向地性所必需的。

EIR1, a root-specific protein involved in auxin transport, is required for gravitropism in Arabidopsis thaliana.

作者信息

Luschnig C, Gaxiola R A, Grisafi P, Fink G R

机构信息

Whitehead Institute for Biomedical Research, Cambridge, Massachusetts 02142-1479 USA.

出版信息

Genes Dev. 1998 Jul 15;12(14):2175-87. doi: 10.1101/gad.12.14.2175.

DOI:10.1101/gad.12.14.2175
PMID:9679062
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC317016/
Abstract

The EIR1 gene of Arabidopsis is a member of a family of plant genes with similarities to bacterial membrane transporters. This gene is expressed only in the root, which is consistent with the phenotypes of the eir1 mutants-the roots are agravitropic and have a reduced sensitivity to ethylene. The roots of eir1 mutants are also insensitive to the excess auxin produced by alf1-1 and fail to induce an auxin-inducible gene in the expansion zone. Although they fail to respond to internally generated auxin, they respond normally to externally applied auxin. Expression of the EIR1 gene in Saccharomyces cerevisiae confers resistance to fluorinated indolic compounds. Taken together, these data suggest that the EIR1 protein has a root-specific role in the transport of auxin.

摘要

拟南芥的EIR1基因是一个植物基因家族的成员，与细菌膜转运蛋白具有相似性。该基因仅在根中表达，这与eir1突变体的表型一致——根无向重力性，对乙烯的敏感性降低。eir1突变体的根对alf1-1产生的过量生长素也不敏感，并且在伸长区不能诱导生长素诱导基因。尽管它们对内部产生的生长素无反应，但对外源施加的生长素反应正常。EIR1基因在酿酒酵母中的表达赋予了对氟化吲哚化合物的抗性。综合这些数据表明，EIR1蛋白在生长素运输中具有根特异性作用。