Wax Ester Production from n -Alkanes by Acinetobacter sp. Strain M-1: Ultrastructure of Cellular Inclusions and Role of Acyl Coenzyme A Reductase

Author:

Ishige Takeru1,Tani Akio1,Takabe Keiji2,Kawasaki Kazunori3,Sakai Yasuyoshi1,Kato Nobuo1

Affiliation:

1. Divisions of Applied Life Sciences

2. Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University, Kitashirakawa, Sakyo-ku, Kyoto 606-8502

3. National Institute of Advanced Industrial Science and Technology, AIST Tsukuba Central, Tsukuba 305-8561, Japan

Abstract

ABSTRACT Acinetobacter sp. strain M-1 accumulated a large amount of wax esters from an n -alkane under nitrogen-limiting conditions. Under the optimized conditions with n -hexadecane as the substrate, the amount of hexadecyl hexadecanoate in the cells reached 0.17 g/g of cells (dry weight). Electron microscopic analysis revealed that multilayered disk-shaped intracellular inclusions were formed concomitant with wax ester formation. The contribution of acyl-CoA reductase to wax ester synthesis was evaluated by gene disruption analysis.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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