hlh (helix-loop-helix) homeodomain (hlh) winged helix (hlh) wing (extra contacts) ets domain protein

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Page 1: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 2: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 3: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

HLH (helix-loop-helix)

Page 4: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Homeodomain (HLH)

Page 5: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Winged helix (HLH)

Wing (extra contacts)

ETS domain protein

Page 6: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

bZIP y bHLH

Creb

Jun-fos

Myc

Mad

MyoD

Page 7: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 8: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 9: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Arrays de cDNA YEAST CHIP

Page 10: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 11: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Un arreglo GeneChip usa conjuntos de pares de sondas de oligos de 16-20 (un par: apareamiento perfecto e imperfecto) por cada gen para detectar los transcriptos. Un arreglo de alta densidad contiene pares de sondas para al menos 7.000 genes. Se muestra una imagen de los resultados de hibridización

Array de

oligonucleotidos

Page 12: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Variación de la expresión de genes durante el crecimiento en levadura

Page 13: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Molecular Biology of the Cell

Vol. 9, 3273–3297, December 1998

Genes cuya expresión varía durante el ciclo celular

Page 14: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 15: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 16: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 17: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Cromatinización del DNA

Page 18: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 19: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

CBP estimula la transactivación mediada por Myc

El efecto depende de actividad HAT y la interacción es por el C-terminus de Myc

Page 20: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

“Enhanceosome” del promotor del Interferon

Promotor TNF-

Page 21: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 22: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 23: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 24: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 25: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 26: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 27: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 28: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 30: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Molecular Cell, Vol. 7, 1213, 2001

Cdk1 Triggers Association of RNA Polymerase to

Cell Cycle Promoters Only after Recruitment

of the Mediator by SBF

M. P. Cosma, S. Panizza, and K. Nasmyth

Research Institute of Molecular Pathology

Vienna, Austria

Page 31: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

A URS1 se pega el FT Mbf (SWI5-SWI6)

A URS2 se pega el FT SBF (SWI4-SWI6)

Page 32: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

SWI5 FT

SWI2 (Swi/Snf) remodel. ATP

ADA2 SAGA) acetil histonas

SWI4 FT

Northern blot

Page 33: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

Destino de la célula hija

Page 34: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 35: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 36: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein

                              The mediator coactivator complex: functional andphysical roles in transcriptional regulationBrian A. Lewis and Danny Reinberg

Journal of Cell Science 116, 3667-3675 © 2003

Page 37: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein
Page 38: HLH (helix-loop-helix) Homeodomain (HLH) Winged helix (HLH) Wing (extra contacts) ETS domain protein