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Statements

Subject Item
n2:RIV%2F60076658%3A12310%2F08%3A00009754%21RIV09-MSM-12310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Cryptochromes define a novel circadian clock mechanism in monarch butterflies that may underlie sun compass navigation The circadian clock plays a vital role in monarch butterfly (Danaus plexippus) migration by providing the timing component of time-compensated sun compass orientation, a process that is important for successful navigation. We therefore evaluated the monarch clockwork by focusing on the functions of a Drosophila-like cryptochrome (cry), designated cry1, and a vertebrate-like cry, designated cry2, that are both expressed in the butterfly and by placing these genes in the context of other relevant clock genes in vivo. We found that similar temporal patterns of clock gene expression and protein levels occur in the heads, as occur in DpN1 cells, of a monarch cell line that contains a light-driven clock. CRY1 mediates TIMELESS degradation by light in DpN1 cells, and a light-induced TIMELESS decrease occurs in putative clock cells in the pars lateralis (PL) in the brain. Moreover, monarch cry1 transgenes partially rescue both biochemical and behavioral light-input defects in cry(b) mutant Drosophila. CRY2 is The circadian clock plays a vital role in monarch butterfly (Danaus plexippus) migration by providing the timing component of time-compensated sun compass orientation, a process that is important for successful navigation. We therefore evaluated the monarch clockwork by focusing on the functions of a Drosophila-like cryptochrome (cry), designated cry1, and a vertebrate-like cry, designated cry2, that are both expressed in the butterfly and by placing these genes in the context of other relevant clock genes in vivo. We found that similar temporal patterns of clock gene expression and protein levels occur in the heads, as occur in DpN1 cells, of a monarch cell line that contains a light-driven clock. CRY1 mediates TIMELESS degradation by light in DpN1 cells, and a light-induced TIMELESS decrease occurs in putative clock cells in the pars lateralis (PL) in the brain. Moreover, monarch cry1 transgenes partially rescue both biochemical and behavioral light-input defects in cry(b) mutant Drosophila. CRY2 is
dcterms:title
Cryptochromes define a novel circadian clock mechanism in monarch butterflies that may underlie sun compass navigation Cryptochromes define a novel circadian clock mechanism in monarch butterflies that may underlie sun compass navigation Cryptochromes define a novel circadian clock mechanism in monarch butterflies that may underlie sun compass navigation
skos:prefLabel
Cryptochromes define a novel circadian clock mechanism in monarch butterflies that may underlie sun compass navigation Cryptochromes define a novel circadian clock mechanism in monarch butterflies that may underlie sun compass navigation Cryptochromes define a novel circadian clock mechanism in monarch butterflies that may underlie sun compass navigation
skos:notation
RIV/60076658:12310/08:00009754!RIV09-MSM-12310___
n3:aktivita
n6:P
n3:aktivity
P(LC07032)
n3:cisloPeriodika
1
n3:dodaniDat
n7:2009
n3:domaciTvurceVysledku
n14:5308038
n3:druhVysledku
n4:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
361612
n3:idVysledku
RIV/60076658:12310/08:00009754
n3:jazykVysledku
n15:eng
n3:klicovaSlova
TRANSCRIPTIONAL REPRESSOR; DROSOPHILA-MELANOGASTER; ANTHERAEA-PERNYI; GENE-EXPRESSION; POLARIZED-LIGHT; PERIOD; BRAIN; PHOTORECEPTOR; NEURONS; INSECT
n3:klicoveSlovo
n9:PERIOD n9:PHOTORECEPTOR n9:DROSOPHILA-MELANOGASTER n9:POLARIZED-LIGHT n9:INSECT n9:NEURONS n9:BRAIN n9:TRANSCRIPTIONAL%20REPRESSOR n9:ANTHERAEA-PERNYI n9:GENE-EXPRESSION
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[2E5186CE21D4]
n3:nazevZdroje
Plos Biology
n3:obor
n12:EB
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
7
n3:projekt
n8:LC07032
n3:rokUplatneniVysledku
n7:2008
n3:svazekPeriodika
6
n3:tvurceVysledku
Casselman, A. Emery, P. Yuan, Q. Šauman, Ivo Zhu, H. Reppert, M. Emery-Le, M.
n3:wos
000254928300014
s:issn
1544-9173
s:numberOfPages
18
n17:organizacniJednotka
12310