Two types of spermine synthase gene: MdACL5 and MdSPMS are differentially involved in apple fruit development and cell growth
Keywords: ADC; arginine decarboxylase; CaMV; cauliflower mosaic virus; DAF; days after full bloom; dcSAM; decarboxylated S-adenosylmethionine; DIG; digoxigenin-dUTP; ODC; ornithine decarboxylase; PCA; perchloric acid; Put; putrescine; RACE; rapid amplification of c