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The plastid sigma factor SIG5 is involved in the diurnal regulation of the chloroplast gene psbD in the moss Physcomitrella patens

Ichikawa, Kazuhiro ; Shimizu, Akane ; Okada, Ryo ; Satbhai, Santosh Balasaheb ; Aoki, Setsuyuki

FEBS letters, 2008-02, Vol.582 (3), p.405-409 [Periódico revisado por pares]

England: Elsevier B.V

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Título:
The plastid sigma factor SIG5 is involved in the diurnal regulation of the chloroplast gene psbD in the moss Physcomitrella patens
Autor: Ichikawa, Kazuhiro ; Shimizu, Akane ; Okada, Ryo ; Satbhai, Santosh Balasaheb ; Aoki, Setsuyuki
Assuntos: base pair(s) ; Bryopsida - genetics ; Chloroplast ; Circadian Rhythm - genetics ; continuous dark ; DIG ; digoxigenin ; Diurnal rhythm ; Gene Expression Regulation, Plant ; Genes, Plant ; Genome, Chloroplast ; High light stress response ; high-intensity light ; kilobase(s) ; light–dark cycle ; photosystem II ; Photosystem II Protein Complex - genetics ; Physcomitrella patens ; Plants, Genetically Modified ; Plastids - physiology ; Protein Subunits - genetics ; psbD ; PSII ; reverse-transcription-polymerase chain reaction ; RT-PCR ; Sigma factor ; Sigma Factor - physiology
É parte de: FEBS letters, 2008-02, Vol.582 (3), p.405-409
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: We analyzed the function of a plastid sigma factor, SIG5, by targeted gene disruption in the moss Physcomitrella patens. High-intensity light induced the chloroplast gene psbD in the wild-type strain (WT), whereas this induction was nullified in the PpSig5-disrupted strains (Δ Sig5). Moreover, diurnally regulated changes of psbD transcription showed lowered amplitude in Δ Sig5 than in WT. We concluded that the moss SIG5 mediates multiple layers of signals to intricately regulate psbD transcription.
Editor: England: Elsevier B.V
Idioma: Inglês

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The plastid sigma factor SIG5 is involved in the diurnal regulation of the chloroplast gene psbD in the moss Physcomitrella patens

Ichikawa, Kazuhiro ; Shimizu, Akane ; Okada, Ryo ; Satbhai, Santosh Balasaheb ; Aoki, Setsuyuki

England: Elsevier B.V

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