Gene Symbol: PTAC12
Description: plastid transcriptionally active 12
Alias: HEMERA, HMR, T31E10.2, T31E10_2, TAC12, plastid transcriptionally active 12, plastid transcriptionally active 12
Species: thale cress

Top Publications

  1. Nevarez P, Qiu Y, Inoue H, Yoo C, Benfey P, Schnell D, et al. Mechanism of Dual Targeting of the Phytochrome Signaling Component HEMERA/pTAC12 to Plastids and the Nucleus. Plant Physiol. 2017;173:1953-1966 pubmed publisher
    b>HEMERA (HMR) is a nuclear and plastidial dual-targeted protein...
  2. Steiner S, Schröter Y, Pfalz J, Pfannschmidt T. Identification of essential subunits in the plastid-encoded RNA polymerase complex reveals building blocks for proper plastid development. Plant Physiol. 2011;157:1043-55 pubmed publisher
    ..In addition, the data support a model that links PEP complex assembly and chloroplast buildup during early seedling development in vascular plants. ..
  3. Chen M, Galvão R, Li M, Burger B, Bugea J, Bolado J, et al. Arabidopsis HEMERA/pTAC12 initiates photomorphogenesis by phytochromes. Cell. 2010;141:1230-40 pubmed publisher
    ..HEMERA was identified previously as pTAC12, a component of a plastid complex associated with transcription...
  4. Gao Z, Yu Q, Zhao T, Ma Q, Chen G, Yang Z. A functional component of the transcriptionally active chromosome complex, Arabidopsis pTAC14, interacts with pTAC12/HEMERA and regulates plastid gene expression. Plant Physiol. 2011;157:1733-45 pubmed publisher
    ..pTAC14 was found to interact with pTAC12/HEMERA, another component of TACs that is involved in phytochrome signaling...
  5. Yu Q, Lu Y, Ma Q, Zhao T, Huang C, Zhao H, et al. TAC7, an essential component of the plastid transcriptionally active chromosome complex, interacts with FLN1, TAC10, TAC12 and TAC14 to regulate chloroplast gene expression in Arabidopsis thaliana. Physiol Plant. 2013;148:408-21 pubmed publisher
    ..Yeast two-hybrid assay shows that TAC7 can interact with the four TAC components including FLN1, TAC10, TAC12 and TAC14 which are involved in redox state changes, phosphorylation processes and phytochrome-dependent light ..
  6. Galvão R, Li M, Kothadia S, Haskel J, Decker P, Van Buskirk E, et al. Photoactivated phytochromes interact with HEMERA and promote its accumulation to establish photomorphogenesis in Arabidopsis. Genes Dev. 2012;26:1851-63 pubmed publisher
    ..We recently identified a key phytochrome signaling component, HEMERA (HMR), that is essential for both phytochrome B (phyB) localization to photobodies and PIF degradation...
  7. Qiu Y, Li M, Pasoreck E, Long L, Shi Y, Galvão R, et al. HEMERA Couples the Proteolysis and Transcriptional Activity of PHYTOCHROME INTERACTING FACTORs in Arabidopsis Photomorphogenesis. Plant Cell. 2015;27:1409-27 pubmed publisher
    ..We have previously shown that the degradation of PIF1 and PIF3 requires HEMERA (HMR)...
  8. Lahari T, Lazaro J, Schroeder D. RAD4 and RAD23/HMR Contribute to Arabidopsis UV Tolerance. Genes (Basel). 2017;9: pubmed publisher
    ..RAD23 and found that RAD4 interacted with RAD23B as well as with the structurally similar protein HEMERA (HMR). In addition, we found that hmr and rad23 mutants exhibited increased UV sensitivity...