Gibberellin production and phosphate solubilization by newly isolated strain of Acinetobacter calcoaceticus and its effect on plant growth

Sang Mo Kang; Gil Jae Joo; Muhammad Hamayun; Chae In Na; Dong Hyun Shin; Hak Youn Kim; Jin Kyu Hong; In Jung Lee

doi:10.1007/s10529-008-9867-2

Gibberellin production and phosphate solubilization by newly isolated strain of Acinetobacter calcoaceticus and its effect on plant growth

Sang Mo Kang, Gil Jae Joo, Muhammad Hamayun, Chae In Na, Dong Hyun Shin, Hak Youn Kim, Jin Kyu Hong, In Jung Lee

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135 Scopus citations

Abstract

Plant growth-promoting rhizobacteria with gibberellins (GA)-producing potential were isolated from soil and screened for plant growth promotion. A new strain, Acinetobacter calcoaceticus SE370, produced extracellular GA and also had phosphate solubilising potential. It produced 10 different gibberellins, including the bioactive GA₁, GA₃ and GA₄ which were at, respectively, 0.45, 6.2 and 2.8 ng/100 ml. The isolate solubilised tricalcium phosphate and lowered pH of the medium during the process. Culture filtrates of the organism after growth on broth promoted growth of cucumber, Chinese cabbage and crown daisy.

Original language	English
Pages (from-to)	277-281
Number of pages	5
Journal	Biotechnology Letters
Volume	31
Issue number	2
DOIs	https://doi.org/10.1007/s10529-008-9867-2
State	Published - Feb 2009

Keywords

Acinetobacter calcoaceticus
Gibberellin production
Phosphate- solubilization
Plant growth promotion

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10.1007/s10529-008-9867-2

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title = "Gibberellin production and phosphate solubilization by newly isolated strain of Acinetobacter calcoaceticus and its effect on plant growth",

abstract = "Plant growth-promoting rhizobacteria with gibberellins (GA)-producing potential were isolated from soil and screened for plant growth promotion. A new strain, Acinetobacter calcoaceticus SE370, produced extracellular GA and also had phosphate solubilising potential. It produced 10 different gibberellins, including the bioactive GA1, GA3 and GA4 which were at, respectively, 0.45, 6.2 and 2.8 ng/100 ml. The isolate solubilised tricalcium phosphate and lowered pH of the medium during the process. Culture filtrates of the organism after growth on broth promoted growth of cucumber, Chinese cabbage and crown daisy.",

keywords = "Acinetobacter calcoaceticus, Gibberellin production, Phosphate- solubilization, Plant growth promotion",

author = "Kang, {Sang Mo} and Joo, {Gil Jae} and Muhammad Hamayun and Na, {Chae In} and Shin, {Dong Hyun} and Kim, {Hak Youn} and Hong, {Jin Kyu} and Lee, {In Jung}",

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T1 - Gibberellin production and phosphate solubilization by newly isolated strain of Acinetobacter calcoaceticus and its effect on plant growth

AU - Kang, Sang Mo

AU - Joo, Gil Jae

AU - Hamayun, Muhammad

AU - Na, Chae In

AU - Shin, Dong Hyun

AU - Kim, Hak Youn

AU - Hong, Jin Kyu

AU - Lee, In Jung

PY - 2009/2

Y1 - 2009/2

N2 - Plant growth-promoting rhizobacteria with gibberellins (GA)-producing potential were isolated from soil and screened for plant growth promotion. A new strain, Acinetobacter calcoaceticus SE370, produced extracellular GA and also had phosphate solubilising potential. It produced 10 different gibberellins, including the bioactive GA1, GA3 and GA4 which were at, respectively, 0.45, 6.2 and 2.8 ng/100 ml. The isolate solubilised tricalcium phosphate and lowered pH of the medium during the process. Culture filtrates of the organism after growth on broth promoted growth of cucumber, Chinese cabbage and crown daisy.

AB - Plant growth-promoting rhizobacteria with gibberellins (GA)-producing potential were isolated from soil and screened for plant growth promotion. A new strain, Acinetobacter calcoaceticus SE370, produced extracellular GA and also had phosphate solubilising potential. It produced 10 different gibberellins, including the bioactive GA1, GA3 and GA4 which were at, respectively, 0.45, 6.2 and 2.8 ng/100 ml. The isolate solubilised tricalcium phosphate and lowered pH of the medium during the process. Culture filtrates of the organism after growth on broth promoted growth of cucumber, Chinese cabbage and crown daisy.

KW - Acinetobacter calcoaceticus

KW - Gibberellin production

KW - Phosphate- solubilization

KW - Plant growth promotion

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DO - 10.1007/s10529-008-9867-2

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SN - 0141-5492

VL - 31

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JO - Biotechnology Letters

JF - Biotechnology Letters

IS - 2

ER -

Gibberellin production and phosphate solubilization by newly isolated strain of Acinetobacter calcoaceticus and its effect on plant growth

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