Promotion of nod gene inducers and nodulation in common bean (Phaseolus vulgaris) roots inoculated with Azospirillum brasilense Cd

被引：51

作者：

Burdman, S

Volpin, H

Kigel, J

Kapulnik, Y

Okon, Y

机构：

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

[2] AGR RES ORG,VOLCANI CTR,INST FIELD & GARDEN CROPS,IL-50250 BET DAGAN,ISRAEL

来源：

APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 1996年 / 62卷 / 08期

关键词：

D O I：

10.1128/AEM.62.8.3030-3033.1996

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Inoculation of Phaseolus vulgaris with Azospirillum brasilense Cd promoted root hair formation in seedling roots and significantly increased total and upper nodule numbers at different concentrations of Rhizobium inoculum. In experiments carried out in a hydroponic system, A. brasilense caused an increase in the secretion of nod gene-inducing flavonoids, as was observed by nod gene induction assays of root exudates fractionated by high-performance liquid chromatography. Possible mechanisms involved in the influence of A. brasilense on this symbiotic system are discussed.

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页码：3030 / 3033

页数：4

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