1.微生物发酵生理与基因调控
2.动物细胞培养与生物反应器设计

1.Taicheng Zhu , Meijin Guo* , et al. Understanding the effect of foreign gene dosage on the physiology of Pichia pastoris by transcriptional analysis of key genes. Appl Microbiol Biotechnol. 2011, 89:1127–1135
2.Bingyang Shi, Meijin Guo*, et al. Expansion of Mouse Sertoli Cells on Microcarriers. Cell Proliferation. 2010,43,275–286
3.Taicheng Zhu, Meijin Guo*, et al. Efficient generation of multi-copy strains for optimizing secretory expression of porcine insulin precursor in yeast Pichia pastoris, J Appl Microbiol. 2009,107: 954–963
4. Zhenyu Tang,Meijin Guo*, et al.,Improved oxytetracycline production in Streptomyces rimosus M4018 by metabolic engineering of the G6PDH gene in the pentose phosphate pathway. Enzyme and Microbial Technology. 2011, doi:10.1016/j.enzmictec.2011.04.002