title: MYC2 differentially regulates GATA-box containing promoters during seedling development in Arabidopsis.
abstract: MY C2 is an important transcription factor, which modulates transcription by directly binding to Z-, G- and E-box elements present in the promoters of light and different stress responsive genes. Very recently, we have shown that MY C2 plays a role in the regulation of Z- and/or G-box containing promoters during both seedling and adult plant growth. Although, MY C2 does not bind to the GATA box light responsive element (LRE ) in vitro as shown in DNA binding assays, its involvement in the regulation of GATA -box containing promoter in planta, if any, is not known. Here, we report that the promoter activity of GATA-NOS101 in atmyc2 mutant was found to be similar to wild-type in BL and dark grown seedlings, whereas it was found to be lower compared with wild-type as revealed from GUS staining results. Further, we will discuss the consequences of MY C2 regulating GATA -box containing promoter in combination with G-box containing promoters.
authors.forename: Sreeramaiah N
authors.initials: SN
authors.lastname: Gangappa
authors.forename: Sudip
authors.initials: S
authors.lastname: Chattopadhyay
mesh_terms: D017360:Arabidopsis / Q000235:genetics* / Q000254:growth & development / Q000378:metabolism*; D029681:Arabidopsis Proteins / Q000235:genetics / Q000378:metabolism*; D051778:Basic Helix-Loop-Helix Leucine Zipper Transcription Factors / Q000235:genetics / Q000378:metabolism*; D018506:Gene Expression Regulation, Plant / Q000235:genetics / Q000502:physiology; D011401:Promoter Regions, Genetic / Q000235:genetics*; D036226:Seedlings / Q000235:genetics* / Q000254:growth & development / Q000378:metabolism*
chemical_list: D029681:Arabidopsis Proteins; D051778:Basic Helix-Loop-Helix Leucine Zipper Transcription Factors; C473611:MYC2 protein, Arabidopsis