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. 2021 Jan 13;11:948. doi: 10.1038/s41598-020-80277-2

Figure 1.

Figure 1

Key enzymes and genes involved in chitin biosynthesis and degradation in A. pisum. TPS, trehalose-6-phosphate synthase gene; TRE, trehalase gene; HK, hexokinase gene; GPI, glucose-6-phosphate isomerase gene; GFAT, glutamine-fructose-6-phosphate aminotansferasr gene; GPN, glucosamine-6-phosphate-N-acetytransferase gene, UAP; UDP-N-acetyglucosamine pyrophosphorylase gene; CHS, chitin synthase gene, Cht1, 2, 3, 5, 6, 7, 8, 10, eight chitinase genes; IDGF, imaginal disc growth factor gene; ENGase, endo-β-N-acetylgucosaminidase gene.