http://www.cnr.it/ontology/cnr/individuo/prodotto/ID219454
Putrescine accumulation in maize roots treated with spermidine: evidences for spermidine to putrescine conversion (Articolo in rivista)
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- Label
- Putrescine accumulation in maize roots treated with spermidine: evidences for spermidine to putrescine conversion (Articolo in rivista) (literal)
- Anno
- 1995-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/0168-9452(95)04245-P (literal)
- Alternative label
de Agazio M.1, Zacchini M.1, Federico R.2, Grego S.3 (1995)
Putrescine accumulation in maize roots treated with spermidine: evidences for spermidine to putrescine conversion
in Plant science (Limerick)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- de Agazio M.1, Zacchini M.1, Federico R.2, Grego S.3 (literal)
- Pagina inizio
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1 IBEV-CNR
2 Dipartimento di Biologia. IIIa Università di Roma,
3 DABAC-UNITUS (literal)
- Titolo
- Putrescine accumulation in maize roots treated with spermidine: evidences for spermidine to putrescine conversion (literal)
- Abstract
- Exogenous spermidine applied to maize seedlings through the roots increases the endogenous putrescine titer of primary
roots during the first hour of treatment. The putrescine increase was due neither to a transfer from bound and
conjugated pools into the free form nor to de novo synthesis. When 1 mM ['4C]spermidine was added to the growth
medium, endogenous putrescine contained 44% of the total 14C detected in the dansylated fraction after 18 h of treatment.
Treatment with 1 mM spermine labelled with [14C]spermine gave ['4C]spermidine and ['4C]putrescine. After
treatment of maize seedlings with ['4C]y-aminobutyraldehyde, a degradation product of spermine and spermidine, no
radioactivity was detected in endogenous putrescine, which excludes the hypothesis that degradation products are involved
in putrescine synthesis. Up to now the biochemical steps of the interconversion pathway were unknown. (literal)
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