Effects of antibiotic treatments on Azolla-Anabaena and Arthrobacter

C. Forni; E. Tel-or; E. Bar; M. Grilli Caiola

doi:10.1007/BF02187447

Effects of antibiotic treatments on Azolla-Anabaena and Arthrobacter

C. Forni^*
, E. Tel-or
, E. Bar
, M. Grilli Caiola

^*Corresponding author for this work

Institute of Plant Sciences and Genetics in Agriculture

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

The leaf cavities and the sporocarps of the water fern Azolla contain bacteria belonging to the genus Arthrobacter Conn and Dimmick. The number of these bacteria can be decreased by treating the plants with novobiocin and erythromycin. The latter antibiotic kills the Anabaena, so Anabaena free plants can be obtained. In these plants the bacteria disappear almost completely. The novobiocin does not affect the heterocyst differentiation, but it decreases the N₂-fixation activity by affecting the synthesis of the dinitrogenase reductase.

Original language	English
Pages (from-to)	151-155
Number of pages	5
Journal	Plant and Soil
Volume	137
Issue number	1
DOIs	https://doi.org/10.1007/BF02187447
State	Published - Nov 1991

Keywords

Anabaena
Arthrobacter
Azolla
erythromycin
novobiocin

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10.1007/BF02187447

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title = "Effects of antibiotic treatments on Azolla-Anabaena and Arthrobacter",

abstract = "The leaf cavities and the sporocarps of the water fern Azolla contain bacteria belonging to the genus Arthrobacter Conn and Dimmick. The number of these bacteria can be decreased by treating the plants with novobiocin and erythromycin. The latter antibiotic kills the Anabaena, so Anabaena free plants can be obtained. In these plants the bacteria disappear almost completely. The novobiocin does not affect the heterocyst differentiation, but it decreases the N2-fixation activity by affecting the synthesis of the dinitrogenase reductase.",

keywords = "Anabaena, Arthrobacter, Azolla, erythromycin, novobiocin",

author = "C. Forni and E. Tel-or and E. Bar and \{Grilli Caiola\}, M.",

year = "1991",

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AU - Forni, C.

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AU - Bar, E.

AU - Grilli Caiola, M.

PY - 1991/11

Y1 - 1991/11

N2 - The leaf cavities and the sporocarps of the water fern Azolla contain bacteria belonging to the genus Arthrobacter Conn and Dimmick. The number of these bacteria can be decreased by treating the plants with novobiocin and erythromycin. The latter antibiotic kills the Anabaena, so Anabaena free plants can be obtained. In these plants the bacteria disappear almost completely. The novobiocin does not affect the heterocyst differentiation, but it decreases the N2-fixation activity by affecting the synthesis of the dinitrogenase reductase.

AB - The leaf cavities and the sporocarps of the water fern Azolla contain bacteria belonging to the genus Arthrobacter Conn and Dimmick. The number of these bacteria can be decreased by treating the plants with novobiocin and erythromycin. The latter antibiotic kills the Anabaena, so Anabaena free plants can be obtained. In these plants the bacteria disappear almost completely. The novobiocin does not affect the heterocyst differentiation, but it decreases the N2-fixation activity by affecting the synthesis of the dinitrogenase reductase.

KW - Anabaena

KW - Arthrobacter

KW - Azolla

KW - erythromycin

KW - novobiocin

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ER -

Effects of antibiotic treatments on Azolla-Anabaena and Arthrobacter

Abstract

Keywords

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