z-series image of mouse ES cells with a multi-copy alpha-globin BAC insertion. H3K9me3 (blue) marks the heterochromatic core which largely colocalizes with combined FISH signal from the lac operator ...

Like other ciliates two types of nuclei are present. A germinative micronucleus and a RNA-producing macronucleus. Both have nuclear envelopes with pores and both have ribosomes attached to their outer...

TEM image of epon section of a freeze-substituted mouse retina illustrating the unusual distribution of heterochromatin in rod receptor nuclei where the compact heterochromatin is centrally located. C...

Z-series image of mouse ES cells carrying a beta-globin BAC transgene array (clone 8d) and transduced with a lentivirus containing an EGFP-lacI expression cassette. EGFP-LacI binding (green) to the 25...

TEM image of frozen hydrated soluble chromatin isolated from chicken erythrocyte nuclei and vitrified in low salt. Polynucleosomes adopt an irregular zigzag fiber conformation (a,b,k), and show a 'ste...

Z-series image of mouse ES cells carrying an alpha-globin BAC transgene array (clone 7d) transduced with a lentivirus containing an expression cassette for EGFP-LacI. EGFP-LacI binding (green) to the...

Z-series images of mouse ES cells carrying DHFR BAC transgene array (clone 36) and differentiated into fibroblast-like cells. 3D FISH shows increase in number of lac operator foci (green) and change ...

Like other ciliates two types of nuclei are present. A germinative micronucleus and a RNA-producing macronucleus. Both have nuclear envelopes with pores and both have ribosomes attached to their outer...

TEM image of frozen hydrated soluble chromatin isolated from COS-7 cells and vitrified in 15 mM monovalent ions. The chromatin adopts an irregular zigzag fiber conformation. See Fig 2 in J Bednar et ...

TEM image of epon section of a freeze-substituted mouse retina illustrating the unusual distribution of heterochromatin in rod receptor nuclei where the compact heterochromatin is centrally located. H...