UTILIZATION BY TOMATOES OF IRON MEDIATED BY A SIDEROPHORE PRODUCED BY RHIZOPUS-ARRHIZUS

被引：99

作者：

SHENKER, M

OLIVER, I

HELMANN, M

HADAR, Y

CHEN, Y

机构：

[1] HEBREW UNIV JERUSALEM,DEPT MICROBIOL & PLANT PATHOL,IL-76100 REHOVOT,ISRAEL

[2] HEBREW UNIV JERUSALEM,FAC AGR,IL-76100 REHOVOT,ISRAEL

来源：

JOURNAL OF PLANT NUTRITION | 1992年 / 15卷 / 10期

关键词：

D O I：

10.1080/01904169209364466

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Rhizonus arrhizus was found to produce a novel siderophore named raphorin (Ra) when grown under Fe deficiency. Partially purified Fe-Ra was found to alleviate Fe deficiency when applied to tomato plants grown in nutrient solutions buffered by either CaCO3 (pH 7.3) or HEPES (pH 7). Iron (Fe-55) uptake rate by plants mediated by Ra, and translocation rate to the shoot, was almost as high as from (FeEDDHA)-Fe-55. It has been concluded the Fe-Ra is a most efficient Fe source for plants when compared to other microbial siderophores.

引用

页码：2173 / 2182

页数：10

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