Blastula

The blastula is an early stage of embryonic development in animals. It is also called blastosphere. It is produced by cleavage of a fertilized ovum and consists of a spherical layer of around 128 cells surrounding a central fluid-filled cavity called the blastocoel. The blastula follows the morula and precedes the gastrula in the developmental sequence. (From the Wikpedia article Blastula.)

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Recent Publications on Blastula:
Embryonic stem cells isolated from Atlantic cod (Gadus morhua) and the developmental expression of a stage-specific transcription factor ac-Pou2. The establishment of embryonic stem cell cultures and the identification...	5th February, 2010	National Institute of Nutrition and Seafood Research (NIFES), Post Box	Fish Physiol Biochem. 2010 Feb 4. DOI Direct Link
Developmental Patterns in Spiralian Embryos. At least five animal phyla exhibit spiralian development, which is...	5th February, 2010	Department of Biology, University of Rochester, Rochester, NY 14607, USA.	Curr Biol. 2010 Jan 26;20(2):R72-R77. DOI Direct Link
Cis-regulatory analysis of the sea urchin pigment cell gene polyketide synthase. The Strongylocentrotus purpuratus polyketide synthase gene (SpPks) encodes...	4th February, 2010	Department of Biology, University of Central Florida, Orlando, FL 32816,	Dev Biol. 2010 Jan 29. DOI Direct Link
Repression of zygotic gene expression in the Xenopus germline. Primordial germ cells (PGCs) in Xenopus are specified through the...	30th January, 2010	Department of Cell Biology and Anatomy, University of Miami School of	Development. 2010 Feb;137(4):651-60. DOI Direct Link
Dynamics of Delta/Notch signaling on endomesoderm segregation in the sea urchin embryo. Endomesoderm is the common progenitor of endoderm and mesoderm early in...	28th January, 2010	1Biologie du Developpement, UPMC (Univ. Paris 6) and CNRS, Observatoire	Development. 2010 Jan;137(1):83-91. DOI Direct Link
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Blastula Clinical Trials:
Live Births With Low Oxygen Blastocyst Culture

Blastula Patents:
US Patent No.	Title
7291610	Estrogenic compounds as anti-mitotic agents
7390826	Inhibitors of animal cell motility and growth
7402665	Nucleic acid encoding a poly-(ADP) ribose polymerase enzyme and uses thereof
7408095	Methods for introducing heterologous cells into fish to determine if the heterologous cells contain cancer cells or a pathogen
7413901	Method of forming vertebrate pancreas in vitro
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