Transcriptional changes in response to growth of Arabidopsis in high external calcium.
Transcriptional responses to growth in high environmental calcium concentrations were characterized and compared between wild-type and mutant Arabidopsis plants containing a knockout mutation in the gene encoding a cyclic nucleotide-gated channel (CNGC2). We show that the transcriptional profile of cngc2 plants grown in normal media resembled that from wild-type plants grown under elevated exogenous calcium conditions. The mutant grown in high-calcium media exhibited transcriptional changes not seen in the wild-type. The pattern of transcription suggests that adaptation to high external calcium overlaps with responses towards various biotic and abiotic stresses.
Chan
Catherine W M
CW
University of Wisconsin-Whitewater, Department of Biological Sciences, 800 W. Main Street, Upham Hall Room 209, Whitewater, WI 53190, USA. chanc@uww.edu <chanc@uww.edu>
Wohlbach
Dana J
DJ
Rodesch
Matthew J
MJ
Sussman
Michael R
MR
D000222:Adaptation, Physiological / Q000235:genetics; D017360:Arabidopsis / Q000235:genetics* / Q000254:growth & development* / Q000378:metabolism; D029681:Arabidopsis Proteins / Q000235:genetics / Q000502:physiology; D002118:Calcium / Q000378:metabolism*; D020013:Calcium Signaling / Q000235:genetics*; D016000:Cluster Analysis; D054815:Cyclic Nucleotide-Gated Cation Channels / Q000235:genetics / Q000502:physiology*; D020869:Gene Expression Profiling; D018506:Gene Expression Regulation, Plant; D009154:Mutation; D020411:Oligonucleotide Array Sequence Analysis; D014158:Transcription, Genetic
D029681:Arabidopsis Proteins; C518228:CNGC2 protein, Arabidopsis; D054815:Cyclic Nucleotide-Gated Cation Channels; D002118:Calcium