Definition of spermidine in English:
spermidine
noun ˈspəːmɪdiːnˈspərməˌdēn
mass nounBiochemistry A colourless compound with a similar distribution and effect to spermine.
A polyamine; chemical formula: H₂N(CH₂)₃NH(CH₂)₄NH₂
Example sentencesExamples
- Maybe even higher efficiencies would have been obtained using spermine instead of spermidine.
- The present study indicates that DNA resolubilization at high concentrations of spermine and spermidine is explained by formation of small particles of condensed DNA that cannot be precipitated by centrifugation.
- The effect was dose-dependent in the case of spermidine, but not putrescine and spermine.
- This may be related to the role of arginine as a biochemical precursor in the synthesis of putrescine, spermidine, and spermine, which are believed to be essential to sperm motility.
- These specificities lead to preferential bindings through the DNA minor groove for putrescine and spermidine, whereas spermine binds by the major groove.
Origin
1920s: from sperm + -ide + -ine4.