Linked Life Data

3612591

Source:http://linkedlifedata.com/resource/pubmed/id/3612591

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1987-8-28
pubmed:abstractText
The aim of this study was to describe the regular annual pattern of the daily melatonin synthesis in Djungarian hamsters, Phodopus sungorus sungorus. The hamsters were maintained from birth in natural photoperiodic conditions and in bimonthly intervals the day/night rhythms of pineal N-acetyltransferase (NAT) were measured. Analysis of the circadian profiles of NAT activity showed that the duration of elevated melatonin synthesis closely reflects the duration of the scotophase throughout the seasons. Thus the duration of elevated melatonin seems to represent a direct humoral signal transmitting the photoperiodic message. The duration of the nightly melatonin pulse appears to be influenced mainly by the time of dawn rather than by the time of dusk. Additional information about the time of year might be encoded in the total amount of melatonin synthesized per day, whereas the amplitude of the nightly melatonin peak seems to be of minor importance.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0340-7594
pubmed:author
pubmed:issnType
Print
pubmed:volume
160
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
593-7
pubmed:dateRevised
2009-6-4
pubmed:meshHeading
pubmed:year
1987
pubmed:articleTitle
Circadian rhythms of pineal N-acetyltransferase activity in the Djungarian hamster, Phodopus sungorus, in response to seasonal changes of natural photoperiod.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't