Retraction note to: Biotechnology Letters (2017) 39:1477–1484 https://doi.org/10.1007/s10529-017-2392-4


The Editor-in-Chief has retracted this article on the corresponding author's request after becoming aware of the use of an incorrect image for Fig. 1a. The authors stated that they no longer have access to the raw data. Hong Zhang, Li-Jun Zhang and Meng-Yao Sun have not responded to any correspondence from the editor/publisher about this retraction. The editor was not able to obtain a current email addresses for Chun-Yan Zhang, Jian-Yong Zhu, Miao Zhang and Ya-Nan Song.