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Ci-TK and Ci-TK-R are authentic tachykinin (TK) and TK receptor isolated from a protochordate, Ciona intestinalis . In this study, we investigated a novel function of TK as an enhancer of oocyte growth.
Kawada, T. +6 more
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Early FGF/Ets1/2 Target Heart Genes in Ciona intestinalis
Activation of the transcription factor Ets1/2 through FGF signaling is known to specify heart precursor fate in Ciona intestinalis. In previous research, we identified candidate target genes of Ets1/2 through microarray analysis.
Jemmett, Jessica L.
core
Ciona intestinalis is an important model for studying the genetic and cellular basis of heart development. In this article we summarize the anatomy, physiology, and formation of the heart in developing Ciona embryos. We also review recent studies characterizing the gene network encoding Ciona cardiogenesis and how cellular processes interface with this
Cota, C. D. +2 more
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Computational Identification of Ciona intestinalis MicroRNAs
Zoological Science, 2010MicroRNAs (miRNAs) are conserved non-coding small RNAs with potent post-transcriptional gene regulatory functions. Recent computational approaches and sequencing of small RNAs had indicated the existence of about 80 Ciona intestinalis miRNAs, although it was not clear whether other miRNA genes were present in the genome.
Robert Zeller, Anisha Keshavan
exaly +3 more sources
Experiments on Ciona Intestinalis
Nature, 1923IN the issue of NATURE for November 3, p. 653, there appears a letter from my old friend and former colleague, Mr. H. M. Fox, in which he records an attempt which he made this summer to repeat Dr. Kammerer's experiments on Ciona. These experiments consisted in inducing an abnormal growth of the siphons of Ciona by repeated amputation. Mr. Fox amputated
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Developmental Biology, 1993
Ascidian sperm were activated and attracted to all of the surface of a whole egg. When the whole egg was separated into follicle cells, chorion and test cells, and the egg itself (naked egg), spermatozoa were activated and exhibited chemotaxis toward the vegetal pole of the naked egg.
M, Yoshida, K, Inaba, M, Morisawa
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Ascidian sperm were activated and attracted to all of the surface of a whole egg. When the whole egg was separated into follicle cells, chorion and test cells, and the egg itself (naked egg), spermatozoa were activated and exhibited chemotaxis toward the vegetal pole of the naked egg.
M, Yoshida, K, Inaba, M, Morisawa
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An analysis of the genome of Ciona intestinalis
Gene, 2002An analysis by CsCl density gradient centrifugation has shown that, at a fragment size of about 100 kb, the DNA of a urochordate, Ciona intestinalis, is remarkably homogeneous in base composition. Localization of 16 coding sequences from C. intestinalis, chosen so as to cover the distribution range of all available coding sequences for this organism ...
Giuliana, de Luca di Roseto +2 more
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Nature, 1975
IN 1923 Paul Kammerer summarised research which he claimed demonstrated the inheritance of acquired characteristics. Since the success of Mendelian genetics had already made Kammerer's work suspect a report of his lecture1 was followed by a long and acrimonious debate. The Kammerer case thereby became a cause celebre in the biology of that decade.
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IN 1923 Paul Kammerer summarised research which he claimed demonstrated the inheritance of acquired characteristics. Since the success of Mendelian genetics had already made Kammerer's work suspect a report of his lecture1 was followed by a long and acrimonious debate. The Kammerer case thereby became a cause celebre in the biology of that decade.
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Cititf1 and endoderm differentiation in Ciona intestinalis
Gene, 2002Studies on the initial formation of the endoderm have lead to the identification, mostly in Xenopus, of numerous genes relevant for the formation of this tissue during early embryogenesis (reviewed by Date, Curr. Biol. 9 (1999) R812-R815 and by Yasuo and Lemaire, Curr. Biol. 9 (1999) 869-879).
SPAGNUOLO A., DI LAURO, ROBERTO
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Chemotaxis of the spermatozoa of Ciona intestinalis
Nature, 1975CHEMOTAXIS of animal sperm, long thought not to occur1–4, was first proved in the marine coelenterate Campanularia5 and since then has been observed in other hydroids6,8. The species-specificities and cross reactions between sperm and reproductive structures of these species and genera have been described6, and some of the attractants have been ...
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