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15280

ISOLATION, PURIFICATION AND IDENTIFICATION OF SOME MICROORGANISMS PRODUCE PLANT GROWTH PROMOTING SUBSTANCES (METHYLOTROPHIC BACTERIA)

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Last updated: 24 Dec 2024

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Abstract

Recently, the potential economical importance of the methylotrophic bacteria encouraged the isolation of this group. In the present study five Egyptian isolates were obtained from green leaves surface of legume plants named PPFM.C (ChickPea), PPFM.Ph (Common bean), PPFM.F (Faba bean), PPFM.P (Peanut) and PPFM.S (Soybean) ,to study their general characters which belonging to  methylotrophic bacteria. Morphological studies indicate that all isolates were short rods, gram negative and motile. All Physiological studies to the isolates gave the same results except PPFM.F which could not grow in peptone medium. All isolates were sensitive to Kanamycin but they were resistant to Erythromycin. There was a great range in the ability of the isolates to grow on different sodium chloride concentrations indicating that PPFM.Ph grew well in 5 % sodium chloride, and they were able to excrete and produce cytokinin. Molecular biology studies indicated that there was a great similarity between PPFM.C and PPFM.Ph (99.34%). Identification was carried out to the5 isolates, PPFM.F may be related to Methylobacterium mesophilicum, PPFM.P may be related to M. fujisawaense and PPFM.Ph, PPFM.C and PPFM.S were related to M. radiotolerans

DOI

10.21608/ajs.2005.15280

Keywords

Methylotrophs, Pink-Pigmented Facultatively Methylotrophic (PPFM), Green leaves of legume plants, Cytokinin, Methylobacterium sp

Authors

First Name

Orf, O.M.

Last Name

Heba

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Affiliation

Department of Agricultural Microbiology, Soils, Water & Environment Research Institute, Agricultural Research Center, Giza, Egypt.

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First Name

Eweda

Last Name

Wedad, E.E.

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Affiliation

Department of Agricultural Microbiology, Soils, Water & Environment Research Institute, Agricultural Research Center, Giza, Egypt

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City

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Orcid

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First Name

Shehata

Last Name

Sawsan, F.

MiddleName

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Affiliation

Department of Agricultural Microbiology, Faculty of Agriculture, Ain Shams Uni-versity, Shoubra El-Kheima, Cairo, Egypt.

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Orcid

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First Name

Abo-Taleb

Last Name

H.H.

MiddleName

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Affiliation

Department of Agricultural Microbiology, Faculty of Agriculture, Ain Shams Uni-versity, Shoubra El-Kheima, Cairo, Egypt.

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Volume

13

Article Issue

3

Related Issue

3215

Issue Date

2005-09-01

Receive Date

2005-06-27

Publish Date

2005-09-01

Page Start

717

Page End

729

Print ISSN

1110-2675

Online ISSN

2636-3585

Link

https://ajs.journals.ekb.eg/article_15280.html

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https://ajs.journals.ekb.eg/service?article_code=15280

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Original Article

Type Code

668

Publication Type

Journal

Publication Title

Arab Universities Journal of Agricultural Sciences

Publication Link

https://ajs.journals.ekb.eg/

MainTitle

ISOLATION, PURIFICATION AND IDENTIFICATION OF SOME MICROORGANISMS PRODUCE PLANT GROWTH PROMOTING SUBSTANCES (METHYLOTROPHIC BACTERIA)

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Article

Created At

22 Jan 2023