Isolation and characterization of yeast strain that degrades phenol as sole carbon source at 30C

Piakong Mohd Tuah, . and Noor Aini Abdul Rashid, . and Madihah Md. Salleh, . (2008) Isolation and characterization of yeast strain that degrades phenol as sole carbon source at 30C. [Proceedings Paper]

An indigenous phenol-degrading yeast Candida tropicalis RETL-Crl was isolated via enrichment from wastewater treatment plant effluent of Exxon Mobil oil refinery in Malaysia. This yeast formed a small round cream-colored colonies with no pigmentation on solid medium after 24 hours incubation and had oval cells that were 10um long and 6um in diameter and budding was observed. This locally isolated yeast was able to degrade phenol as a sole carbon source. Phenol was depleted faster in the bioreactor as compared to that of shake-flask. The degradation rate was increased from 25 mg L-1 h-1 to 39 mg L-1 h-1 This yeast may be the suitable organisms for use in future bioremediation processes for industrial effluents or contaminated soils.

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Abstract

An indigenous phenol-degrading yeast Candida tropicalis RETL-Crl was isolated via enrichment from wastewater treatment plant effluent of Exxon Mobil oil refinery in Malaysia. This yeast formed a small round cream-colored colonies with no pigmentation on solid medium after 24 hours incubation and had oval cells that were 10um long and 6um in diameter and budding was observed. This locally isolated yeast was able to degrade phenol as a sole carbon source. Phenol was depleted faster in the bioreactor as compared to that of shake-flask. The degradation rate was increased from 25 mg L-1 h-1 to 39 mg L-1 h-1 This yeast may be the suitable organisms for use in future bioremediation processes for industrial effluents or contaminated soils.

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Item Type:	Proceedings Paper
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. GE90 M3I61 2008 Call Number
AGROVOC Term:	Yeasts
AGROVOC Term:	Biodegradation
AGROVOC Term:	Candida tropicalis
AGROVOC Term:	Phenols
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:14
URI:	http://webagris.upm.edu.my/id/eprint/11833

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