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Statements

Subject Item
n2:RIV%2F60076658%3A12410%2F09%3A00010697%21RIV10-MSM-12410___
rdf:type
n9:Vysledek skos:Concept
dcterms:description
While roles of the clock genes period (per) and timeless (tim) are relatively well understood in relation to circadian clocks, their potential roles in insect photoperiodism remain enigmatic. In this study, the expression of per and tim genes under two contrasting photoperiods is described in the central nervous system of photoperiodically sensitive, newly hatched first instar larvae of the flesh fly, Sarcophaga crassipalpis. Using qPCR, diel oscillations were observed in the mRNA levels of both genes under long-day (15 h light:9 h dark, promotes direct development) and short-day conditions (11 h light:13 h dark, induces pupal diapause). Peak per and tim mRNA oscillations were closely associated with the light/dark transition. The conspicuous difference between the two photoperiodic conditions was that the sharp increase in per and tim mRNA abundance occurred during the light phase under long days but during the dark phase under short days. The diel oscillations were, at least in part, driven by an en While roles of the clock genes period (per) and timeless (tim) are relatively well understood in relation to circadian clocks, their potential roles in insect photoperiodism remain enigmatic. In this study, the expression of per and tim genes under two contrasting photoperiods is described in the central nervous system of photoperiodically sensitive, newly hatched first instar larvae of the flesh fly, Sarcophaga crassipalpis. Using qPCR, diel oscillations were observed in the mRNA levels of both genes under long-day (15 h light:9 h dark, promotes direct development) and short-day conditions (11 h light:13 h dark, induces pupal diapause). Peak per and tim mRNA oscillations were closely associated with the light/dark transition. The conspicuous difference between the two photoperiodic conditions was that the sharp increase in per and tim mRNA abundance occurred during the light phase under long days but during the dark phase under short days. The diel oscillations were, at least in part, driven by an en
dcterms:title
Clock genes period and timeless are rhytmically expressed in brains of newly hatched, phorosensitive larvae of the fly, Sarcophaga crassipalpis. Clock genes period and timeless are rhytmically expressed in brains of newly hatched, phorosensitive larvae of the fly, Sarcophaga crassipalpis.
skos:prefLabel
Clock genes period and timeless are rhytmically expressed in brains of newly hatched, phorosensitive larvae of the fly, Sarcophaga crassipalpis. Clock genes period and timeless are rhytmically expressed in brains of newly hatched, phorosensitive larvae of the fly, Sarcophaga crassipalpis.
skos:notation
RIV/60076658:12410/09:00010697!RIV10-MSM-12410___
n4:aktivita
n12:V n12:Z n12:P
n4:aktivity
P(LC07032), V, Z(AV0Z50070508)
n4:cisloPeriodika
5
n4:dodaniDat
n13:2010
n4:domaciTvurceVysledku
n11:2176769 n11:6586287
n4:druhVysledku
n6:J
n4:duvernostUdaju
n8:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
307304
n4:idVysledku
RIV/60076658:12410/09:00010697
n4:jazykVysledku
n17:eng
n4:klicovaSlova
circadian clock; oscillator; photoperiodism; sesonal timer; diapause
n4:klicoveSlovo
n7:circadian%20clock n7:sesonal%20timer n7:oscillator n7:diapause n7:photoperiodism
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[FD5109B17CB7]
n4:nazevZdroje
Journal of Insect Physiology
n4:obor
n14:ED
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:projekt
n15:LC07032
n4:rokUplatneniVysledku
n13:2009
n4:svazekPeriodika
55
n4:tvurceVysledku
Denlinger, D. Závodská, Radka Košťál, Vladimír
n4:wos
000265961700004
n4:zamer
n5:AV0Z50070508
s:issn
0022-1910
s:numberOfPages
7
n18:organizacniJednotka
12410