Possible relationship between amino acid catabolism (AA) and lactate catabolism in Y. lipolytica 1E07. +, early induction of the genes in italics; +/−, delayed induction of the genes following addition of amino acids. AT, amino transferase; LDH, lactate dehydrogenase; α-KG, α-ketoglutarate; Glu, glutamate. Gene functions are shown in Table 2.