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Early studies on plant polyamine research pointed to their involvement in responses to different environmental stresses. During… Expand Polyamines are low molecular weight, aliphatic polycations found in the cells of all living organisms. Due to their positive… Expand Summary.In this review we will concentrate in the results published the last years regarding the involvement of polyamines in the… Expand The amino-acid-derived polyamines have long been associated with cell growth and cancer, and specific oncogenes and tumour… Expand The effect of simulated acid rain (AR) (pH 1.8) on H2O2 and malonyldialdehyde (MDA) levels and activities of peroxidase and… Expand In recent years the functions of polyamines (putrescine, spermidine, and spermine) have been studied at the molecular level… Expand Preface. 1: Historical Introduction, with Time Line. 2: Structures and Synthesis of the Polyamines. 3: Some Properties of the… Expand The diamine putrescine, the triamine spermidine, and the tetramine spermine are ubiquitous in plant cells, while other polyamines… Expand The polyamine-biosynthetic pathway represents an inviting target for the development of agents inhibiting carcinogenesis and… Expand Polyamines are ubiquitous organic cations of low molecular weight. The content of these amines is closely regulated by the cell… Expand