PMID- 16514558
OWN - NLM
STAT- MEDLINE
DCOM- 20060516
LR  - 20181113
IS  - 0167-4412 (Print)
IS  - 0167-4412 (Linking)
VI  - 60
IP  - 3
DP  - 2006 Feb
TI  - The early dark-response in Arabidopsis thaliana revealed by cDNA microarray 
      analysis.
PG  - 321-42
AB  - Despite intense research on light responses in plants, the consequences of a 
      simple shift from light to darkness remain poorly characterized. We have examined 
      the transcriptome of Arabidopsis thaliana seedling leaves upon a shift from 
      constant light to darkness for between 1 and 8 h, while excluding most effects 
      associated with circadian oscillation. Expression clustering and gene ontology 
      analyses identified about 790 responsive genes implicated in diverse cellular 
      processes. Compared to the better-studied long-term dark adaptation response, the 
      early response to darkness is partially overlapping yet clearly distinct, 
      encompassing early transient, early sustained, and late response clusters. The 
      repressor of photomorphogenesis, COP1 (constitutive photomorphogenic 1), is not a 
      chief regulator of the early response to darkness, in contrast to its 
      well-established role during long-term dark adaptation and etiolation. Only part 
      of the early dark response can be understood as the opposite of the response 
      following a dark-to-light transition and as a response to sugar deprivation. 
      Bioinformatic comparisons with published microarray datasets further suggest that 
      abscisic acid (ABA) signaling plays a prominent role in the early response to 
      darkness, although this effect is not mediated by an increase in the ABA level. 
      The potential basis for the co-regulation by darkness and ABA is discussed in 
      light of sugar and redox signaling.
FAU - Kim, Byung-Hoon
AU  - Kim BH
AD  - Department of Biochemistry, Cellular and Molecular Biology, The University of 
      Tennessee, Knoxville, TN 37996-0840, USA.
FAU - von Arnim, Albrecht G
AU  - von Arnim AG
LA  - eng
PT  - Journal Article
PT  - Research Support, U.S. Gov't, Non-P.H.S.
PL  - Netherlands
TA  - Plant Mol Biol
JT  - Plant molecular biology
JID - 9106343
RN  - 0 (Arabidopsis Proteins)
RN  - 0 (Carbohydrates)
RN  - 0 (DNA, Complementary)
RN  - 0 (RNA, Messenger)
RN  - 72S9A8J5GW (Abscisic Acid)
RN  - IY9XDZ35W2 (Glucose)
SB  - IM
MH  - Abscisic Acid/metabolism
MH  - Arabidopsis/*growth & development/metabolism/*physiology
MH  - Arabidopsis Proteins/metabolism
MH  - Blotting, Northern
MH  - Carbohydrates
MH  - Circadian Rhythm
MH  - Cluster Analysis
MH  - Computational Biology/methods
MH  - DNA, Complementary/*metabolism
MH  - Darkness
MH  - Down-Regulation
MH  - Gene Expression Regulation, Plant
MH  - Genetic Techniques
MH  - Glucose/pharmacology
MH  - Golgi Apparatus/metabolism
MH  - Light
MH  - Microarray Analysis
MH  - Models, Biological
MH  - Mutation
MH  - Oligonucleotide Array Sequence Analysis/*methods
MH  - Oscillometry
MH  - Oxidation-Reduction
MH  - *Plant Physiological Phenomena
MH  - RNA, Messenger/metabolism
MH  - Regulatory Elements, Transcriptional
MH  - Reverse Transcriptase Polymerase Chain Reaction
MH  - Scattering, Radiation
MH  - Signal Transduction
MH  - Time Factors
MH  - Up-Regulation
EDAT- 2006/03/04 09:00
MHDA- 2006/05/17 09:00
CRDT- 2006/03/04 09:00
PHST- 2005/09/05 00:00 [received]
PHST- 2005/10/13 00:00 [accepted]
PHST- 2006/03/04 09:00 [pubmed]
PHST- 2006/05/17 09:00 [medline]
PHST- 2006/03/04 09:00 [entrez]
AID - 10.1007/s11103-005-4211-x [doi]
PST - ppublish
SO  - Plant Mol Biol. 2006 Feb;60(3):321-42. doi: 10.1007/s11103-005-4211-x.