...Julius C. Barsi; Qiang Tu; Cristina Calestani; Eric H. Davidson Six different populations of cells were isolated by fluorescence-activated cell sorting from disaggregated late blastula- and gastrula-stage sea urchin embryos according to the regulatory states expressed in these cells, as reported...

... of 200:1 ( Fig. 7C , D ). © 1991 by Company of Biologists 1991 sea urchin embryos G-rich civ-regulatory elements sea urchin Spec/LpS1 genes transcription factor IF1 Proteins that regulate transcription play key roles in early developmental events (eg. Melton, 1991 and references...

... of the synthetic oligonucleotide CTB was added to lane 3 to demonstrate binding specificity. 24 05 1990 © 1990 by Company of Biologists 1990 sea urchin embryos embryonic ectoderm cells USF transcription factor Spec genes In sea urchins, cell lineages arising from the animal...

... by Company of Biologists 1987 sea urchin embryos primary mesenchyme cells cell surface protein msp130 sulphated glycoprotein monoclonal antibody The primary mesenchyme cells of sea urchin embryos are the progeny of the four micromeres formed at the fourth cleavage. Following hatching...