Isolation, screening and characterisation of cyanide-degrading Serratia marcescens strain aq07

Kabiru Ibrahim Karamba, Mohd Yunus Shukor, Mohd Arif Syed, Azham Bin Zulkharnain, Nur Adeela Yasid, Ariff Khalid, Khalilah Abdul Khalil, Siti Aqlima Ahmad

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Biodegradation is now being considered as the best form of cyanide transformation because it is less expensive and has fewer hazards than other conventional methods. Soil and drainage water samples from the premises of Univerisiti Putra Malaysia (UPM) Serdang, were collected at different points and analysed for available bacteria. 28 bacteria were isolated from the samples and subjected to in-vitro cyanide remediation assay by using spectrophotometric method. Six bacterial isolates were observed to have cyanide-degrading ability. Screening was conducted in three phases that include primary, secondary and tertiary screening. In the primary phase of the screening, the six bacterial isolates were assayed for cyanide-degrading activity using 25 ppm filter-sterilised KCN in a buffer medium (pH 7.0) containing 5 g/L glucose, and 0.5% yeast extract. It was observed that three isolates have a greater potential of converting cyanide, degrading above 70%. The three isolates were further subjected to screening which is the secondary screening by incorporating 100 ppm of filter sterilised KCN. All three isolates showed good ability of degradation removing above 60% of the cyanide. The isolate tagged as AQ-007 was found to have a better degradation capability, removing 75% of the cyanide while isolate AQ-003 and AQ-004 degraded 61.5% and 64.6% respectively. The tertiary screening phase was carried out using resting cells of the bacteria. The resting cells illustrates that it is the best form of inoculums. Isolates AQ-003 removed 92.8%, AQ-004 remediated 92.9% and AQ-007 degraded 98% of the cyanide. Isolate AQ-007 was considered to be the preferred bacteria for further research because it degrades higher than the other two isolates. Bacterial identification based on 16s rRNA gene sequence analysis of this bacteria showed a 97% identity with Serratia marcescens. It has been registered in the GenBank as Serratia marcescens Strain AQ07 with accession number KP213291.

Original languageEnglish
Pages (from-to)401-406
Number of pages6
JournalJournal of Chemical and Pharmaceutical Sciences
Volume8
Issue number2
Publication statusPublished - 2015 Apr 1
Externally publishedYes

Fingerprint

Cyanides
Screening
Bacteria
Degradation
Biodegradation
Remediation
Yeast
Drainage
Assays
Hazards
Buffers
Genes
Soils
Glucose
Water

Keywords

  • Bacteria
  • Biodegradation
  • Potassium cyanide
  • Resting cells

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology
  • Pharmaceutical Science

Cite this

Karamba, K. I., Shukor, M. Y., Syed, M. A., Bin Zulkharnain, A., Yasid, N. A., Khalid, A., ... Ahmad, S. A. (2015). Isolation, screening and characterisation of cyanide-degrading Serratia marcescens strain aq07. Journal of Chemical and Pharmaceutical Sciences, 8(2), 401-406.

Isolation, screening and characterisation of cyanide-degrading Serratia marcescens strain aq07. / Karamba, Kabiru Ibrahim; Shukor, Mohd Yunus; Syed, Mohd Arif; Bin Zulkharnain, Azham; Yasid, Nur Adeela; Khalid, Ariff; Khalil, Khalilah Abdul; Ahmad, Siti Aqlima.

In: Journal of Chemical and Pharmaceutical Sciences, Vol. 8, No. 2, 01.04.2015, p. 401-406.

Research output: Contribution to journalArticle

Karamba, KI, Shukor, MY, Syed, MA, Bin Zulkharnain, A, Yasid, NA, Khalid, A, Khalil, KA & Ahmad, SA 2015, 'Isolation, screening and characterisation of cyanide-degrading Serratia marcescens strain aq07', Journal of Chemical and Pharmaceutical Sciences, vol. 8, no. 2, pp. 401-406.
Karamba, Kabiru Ibrahim ; Shukor, Mohd Yunus ; Syed, Mohd Arif ; Bin Zulkharnain, Azham ; Yasid, Nur Adeela ; Khalid, Ariff ; Khalil, Khalilah Abdul ; Ahmad, Siti Aqlima. / Isolation, screening and characterisation of cyanide-degrading Serratia marcescens strain aq07. In: Journal of Chemical and Pharmaceutical Sciences. 2015 ; Vol. 8, No. 2. pp. 401-406.
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