Arsenic Resistance and Biosorption by Isolated Rhizobacteria from the Roots of Ludwigia octovalvis

Harmin Sulistiyaning Titah, Siti Rozaimah Sheikh Abdullah, Mushrifah Idris, Nurina Anuar, Hassan Basri, Muhammad Mukhlisin, Bieby Voijant Tangahu, Ipung Fitri Purwanti, Setyo Budi Kurniawan

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Abstract

Certain rhizobacteria can be applied to remove arsenic in the environment through bioremediation or phytoremediation. This study determines the minimum inhibitory concentration (MIC) of arsenic on identified rhizobacteria that were isolated from the roots of Ludwigia octovalvis (Jacq.) Raven. The arsenic biosorption capability of the was also analyzed. Among the 10 isolated rhizobacteria, five were Gram-positive (Arthrobacter globiformis, Bacillus megaterium, Bacillus cereus, Bacillus pumilus, and Staphylococcus lentus), and five were Gram-negative (Enterobacter asburiae, Sphingomonas paucimobilis, Pantoea spp., Rhizobium rhizogenes, and Rhizobium radiobacter). R. radiobacter showed the highest MIC of >1,500 mg/L of arsenic. All the rhizobacteria were capable of absorbing arsenic, and S. paucimobilis showed the highest arsenic biosorption capability (146.4 ± 23.4 mg/g dry cell weight). Kinetic rate analysis showed that B. cereus followed the pore diffusion model (R2 0.86), E. asburiae followed the pseudo-first-order kinetic model (R2 0.99), and R. rhizogenes followed the pseudo-second-order kinetic model (R2 0.93). The identified rhizobacteria differ in their mechanism of arsenic biosorption, arsenic biosorption capability, and kinetic models in arsenic biosorption.

Original languageEnglish
Article number3101498
JournalInternational Journal of Microbiology
Volume2018
DOIs
Publication statusPublished - 1 Jan 2018

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Onagraceae
Arsenic
Agrobacterium tumefaciens
Environmental Biodegradation
Bacillus cereus
Microbial Sensitivity Tests
Pantoea
Sphingomonas
Bacillus megaterium
Arthrobacter
Crows
Enterobacter
Rhizobium
Staphylococcus

ASJC Scopus subject areas

  • Microbiology
  • Microbiology (medical)

Cite this

Arsenic Resistance and Biosorption by Isolated Rhizobacteria from the Roots of Ludwigia octovalvis. / Titah, Harmin Sulistiyaning; Sheikh Abdullah, Siti Rozaimah; Idris, Mushrifah; Anuar, Nurina; Basri, Hassan; Mukhlisin, Muhammad; Tangahu, Bieby Voijant; Purwanti, Ipung Fitri; Kurniawan, Setyo Budi.

In: International Journal of Microbiology, Vol. 2018, 3101498, 01.01.2018.

Research output: Contribution to journalArticle

Titah, Harmin Sulistiyaning ; Sheikh Abdullah, Siti Rozaimah ; Idris, Mushrifah ; Anuar, Nurina ; Basri, Hassan ; Mukhlisin, Muhammad ; Tangahu, Bieby Voijant ; Purwanti, Ipung Fitri ; Kurniawan, Setyo Budi. / Arsenic Resistance and Biosorption by Isolated Rhizobacteria from the Roots of Ludwigia octovalvis. In: International Journal of Microbiology. 2018 ; Vol. 2018.
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