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Li Y, Yu H, Cao H, Lau K, Muthana S, Tiwari VK, Son B, *Chen X. Pasteurella multocida sialic acid aldolase: a promising biocatalyst. Appl. Microbiol. Biotech. 2008, 79, 963–970. PMID: 18521592. PMCID: PMC2588431. DOI 10.1007/s00253-008-1506-2.

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Yu H, Yu H, Karpel R, *Chen X. Chemoenzymatic synthesis of CMP-sialic acid derivatives by a one-pot two-enzyme system: comparison of substrate flexibility of three microbial CMP-sialic acid synthetase. Bioorg. Med. Chem. 2004, 12, 6427–6435. PMID: 15556760. doi:10.1016/j.bmc.2004.09.030.