Literatura científica selecionada sobre o tema "Ascidian embryo"
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Artigos de revistas sobre o assunto "Ascidian embryo"
Cone, Angela C., e Robert W. Zeller. "Using ascidian embryos to study the evolution of developmental gene regulatory networks". Canadian Journal of Zoology 83, n.º 1 (1 de janeiro de 2005): 75–89. http://dx.doi.org/10.1139/z04-165.
Texto completo da fonteWilding, Martin, Marcella Marino e Daniela Dale. "Nicotinamide alters the calcium release pattern and the degradation of MPF activity after fertilisation in ascidian oocytes". Zygote 7, n.º 3 (agosto de 1999): 255–60. http://dx.doi.org/10.1017/s0967199499000647.
Texto completo da fonteYoshida, S., Y. Marikawa e N. Satoh. "Posterior end mark, a novel maternal gene encoding a localized factor in the ascidian embryo". Development 122, n.º 7 (1 de julho de 1996): 2005–12. http://dx.doi.org/10.1242/dev.122.7.2005.
Texto completo da fonteBettoni, Rossana, Clare Hudson, Géraldine Williaume, Cathy Sirour, Hitoyoshi Yasuo, Sophie de Buyl e Geneviève Dupont. "Model of neural induction in the ascidian embryo". PLOS Computational Biology 19, n.º 2 (3 de fevereiro de 2023): e1010335. http://dx.doi.org/10.1371/journal.pcbi.1010335.
Texto completo da fonteMita-Miyazawa, I., T. Nishikata e N. Satoh. "Cell- and tissue-specific monoclonal antibodies in eggs and embryos of the ascidian Halocynthia roretzi". Development 99, n.º 2 (1 de fevereiro de 1987): 155–62. http://dx.doi.org/10.1242/dev.99.2.155.
Texto completo da fonteMunro, Edwin M., e Garrett M. Odell. "Polarized basolateral cell motility underlies invagination and convergent extension of the ascidian notochord". Development 129, n.º 1 (1 de janeiro de 2002): 13–24. http://dx.doi.org/10.1242/dev.129.1.13.
Texto completo da fonteDale, B., L. Santella e E. Tosti. "Gap-junctional permeability in early and cleavage-arrested ascidian embryos". Development 112, n.º 1 (1 de maio de 1991): 153–60. http://dx.doi.org/10.1242/dev.112.1.153.
Texto completo da fonteMakabe, Kazuhiro W., Takeshi Kawashima, Shuichi Kawashima, Takuya Minokawa, Asako Adachi, Hiroshi Kawamura, Hisayoshi Ishikawa et al. "Large-scale cDNA analysis of the maternal genetic information in the egg of Halocynthia roretzi for a gene expression catalog of ascidian development". Development 128, n.º 13 (1 de julho de 2001): 2555–67. http://dx.doi.org/10.1242/dev.128.13.2555.
Texto completo da fonteWada, S., Y. Katsuyama e H. Saiga. "Anteroposterior patterning of the epidermis by inductive influences from the vegetal hemisphere cells in the ascidian embryo". Development 126, n.º 22 (15 de novembro de 1999): 4955–63. http://dx.doi.org/10.1242/dev.126.22.4955.
Texto completo da fonteTosti, E. "Gap junctional units are functionally expressed before first cleavage in the early ascidian embryo". American Journal of Physiology-Cell Physiology 272, n.º 5 (1 de maio de 1997): C1445—C1449. http://dx.doi.org/10.1152/ajpcell.1997.272.5.c1445.
Texto completo da fonteTeses / dissertações sobre o assunto "Ascidian embryo"
Yu, Deli. "Temporal control of muscle gene expression in an ascidian embryo". Kyoto University, 2019. http://hdl.handle.net/2433/242897.
Texto completo da fonteRosfelter, Anne. "Le positionnement du fuseau mitotique chez le zygote d'ascidie et son rôle dans la répartition des organelles". Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS063.
Texto completo da fonteAfter oocyte fertilization, a microtubule aster forms around the male DNA. The sperm aster brings the female pro-nucleus to the male pro-nucleus so they can fuse, but it also moves the fused nuclei to the cell center to ensure an equitable cell division. Numerous studies performed in vitro, by modeling or experimentally in species such as C. elegans, P. lividus, and M. musculus, addressed the aster and spindle centration mechanisms. Three main mechanisms emerged; pushing, cortical pulling, and cytoplasmic pulling. By studying aster centration in the zygote of the ascidian P. mammillata, I discovered a system that combines these three mechanisms based on the cell cycle stages. In meiosis, the aster uses the polymerization of its microtubules to push against the actin cortex and move away from it (pushing). Once in interphase, the aster returns to the cortex by a pull exerted by the membrane on the microtubules (cortical pulling). At mitosis entry, cortical pulling stops, and releases the mitotic spindle's asters. In consequence, the asters give in to the forces exerted by the transport of organelles to the aster center (cytoplasmic pulling), that appeared constant during the cell cycle. Cytoplasmic pulling hence participate in centering the spindle While the aster forms and moves, the intracellular compartments reorganize. To understand how intracellular organization can be disrupted by aster formation, I studied the case of yolk. The yolk, in the form of vesicles (called granules or platelets), is initially abundant and homogeneous in the unfertilized oocyte. However, as soon as the aster appears, its distribution changes and the yolk platelets are excluded from the region containing the aster. This exclusion generated by the aster formation in the zygote is maintained during development. I observed that yolk exclusion is mainly due to the accumulation at the aster of other organelles such as the endoplasmic reticulum. The transport function of the aster microtubules is therefore sufficient to completely reorganize the cell by excluding some organelles and accumulating others. The movements of the aster and the spindle, their regulation by cell cycle, and the intracellular reorganization, identified here in the ascidian zygote, rely on basic elements of a cell, namely: the microtubules, the actin cortex, the endoplasmic reticulum, the proteins of the cell cycle, etc. Thus, the discoveries presented here cover a broad scope, and seem adaptable to the specificities of different cell types
Liu, Boqi. "The gene regulatory network in the anterior neural plate border of ascidian embryos". Kyoto University, 2020. http://hdl.handle.net/2433/253119.
Texto completo da fonteYagi, Kasumi. "Studies on function of Zic family transcription factor genes in early ascidian embryos". 京都大学 (Kyoto University), 2004. http://hdl.handle.net/2433/147859.
Texto completo da fonteSato, Kaoru. "Isolation and characterization of β-catenin downstream genes in early embryos of the ascidian Ciona savignyi". 京都大学 (Kyoto University), 2003. http://hdl.handle.net/2433/149114.
Texto completo da fonteLe, Nguyen Phuong Ngan. "Le déterminant maternel pem-1 et le cortex des oeufs et embryons d’ascidie". Paris 6, 2012. http://www.theses.fr/2012PA066028.
Texto completo da fonteProdon, François. "Polarisation corticale des oeufs et embryons d'ascidie de la maturation à la 1ère division inégale". Nice, 2004. http://www.theses.fr/2004NICE4097.
Texto completo da fonteThe ascidian egg cortex is highly polarized along the animal-vegetal (a-v) axis at the end of oogenesis, and along the Dorso-Ventral (D-V) axis and Antero-Posterior (A-P) axis between fertilization and first cleavage. Mature ascidian oocytes display (a-v) gradients of 1) a mitochondria-rich subcortical domain (called myoplasm), 2) a network of cortical Endoplasmic Reticulum (cER), and several cortical maternal mRNAs called postplasmic/PEM RNAs. We show that these domains and mRNAs acquire their polarized distribution during oocyte maturation. After fertilization the oocyte cortex undergoes 2 major phases of reorganization. The cortical (cER) and subcortical (myoplasm) domains are first concentrated in the vegetal contraction pole (future dorsal pole) during an acto-myosin dependant cortical contraction(first major phase of reorganization). The myoplasm, cER/mRNA domains are then translocated posteriorly by a microtubule-dependant movement of the sperm aster with respect to the cortex (second major phase of reorganization). The domains are distributed equally between blastomeres during the first cleavage. At the 2-4 cell stage, the myoplasm, cER and postplasmic/PEM RNAs accumulate in posterior blastomeres. At the 8 cell stage, cER and postplasmic/PEM RNAs are concentrated in a cortical macroscopic structure called Centrosome Attracting Body (CAB) located in the vegetal posterior-most blastomeres (B4. 1). The CAB is involved in the formation of three successive unequal cleavages and in mRNA segregation in small posterior blastomeres. We have characterized for the first time the evolution and dynamics of this cortical polarity using cortex isolation and characterization in oocytes, zygotes and early embryos (8 cell stage). We observe that two postplasmic/PEM RNAs, PEM1 and macho1 respectively involved in axes formation and primary muscle cell formation, are anchored to the surface of the polarized network of cortical rough ER. After fertilization these cortical RNAs are concentrated in the vegetal cortex with the cER (forming a cER/mRNA domain). The cER/mRNA domain moves posteriorly before the first cleavage and compacts into the CAB at the 8 cell stage. We discuss how the cytoskeleton relocates the cER/mRNA domain and how the CAB may form from the translocation and compaction of polarized cER/mRNA domain already present in the oocyte. We also discuss how the segregation of postplasmic/PEM RNAs into specific blastomeres directs development and differentiation of the posterior region of the embryo and particular primary muscle cell formation
Roca, Marianne. "The spindle assembly checkpoint in Phallusia mammillata embryos". Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS500.
Texto completo da fonteDuring mitosis, progression through anaphase must take place only when all chromosomes are correctly attached to spindle microtubules to avoid chromosome mis-segregation and the generation of aneuploid cells (i.e. with an abnormal chromosome number). Embryos containing aneuploid cells can exhibit developmental defects and lethality. Furthermore, cancer cells are often aneuploid. To prevent such deleterious aneuploidy, a control mechanism, the spindle assembly checkpoint (SAC), delays metaphase-anaphase transition until all chromosomes are properly attached to spindle microtubules. However, the SAC is not efficient during early development in some species. During my thesis, I analyzed the activity of the SAC during the development of the marine chordate P. mammillata. I showed that in P. mammillata embryos, the SAC becomes efficient at the 8th cell cycle and its efficiency increases progressively in the following cell cycles. Although, I demonstrated that patterning of the embryo along the anteroposterior axis influences SAC efficiency, my experiments suggest that additional parameters modulate SAC efficiency. I searched the molecular mechanisms, which control SAC efficiency during development. I collected evidence showing that SAC components are present in oocytes and all post-fertilization stages. I found that SAC proteins localize at kinetochores during meiosis and at later stages when there is an efficient SAC while they do not accumulate on unattached kinetochores in early SAC deficient embryos. My thesis work establishes P. mammillata as a valuable experimental organism to study SAC regulation during embryogenesis
Livros sobre o assunto "Ascidian embryo"
A, Ettensohn Charles, Wray Gregory A e Wessel Gary M, eds. Development of sea urchins, ascidians, and other invertebrate deuterostomes: Experimental approaches. Amsterdam: Elsevier Academic Press, 2004.
Encontre o texto completo da fonte(Editor), Charles E. Ettensohn, Gary M. Wessel (Editor) e Gregory Wray (Editor), eds. Development of Sea Urchins, Ascidians, and other Invertebrate Deuterostomes: Experimental Approaches (Methods in Cell Biology, Vol. 74) (Methods in Cell Biology). Academic Press, 2003.
Encontre o texto completo da fonte(Editor), Charles E. Ettensohn, Gary M. Wessel (Editor) e Gregory Wray (Editor), eds. Development of Sea Urchins, Ascidians, and other Invertebrate Deuterostomes: Experimental Approaches (Methods in Cell Biology, Vol. 74) (Methods in Cell Biology). Academic Press, 2003.
Encontre o texto completo da fonte(Editor), Charles E. Ettensohn, Gary M. Wessel (Editor) e Gregory Wray (Editor), eds. Development of Invertebrate Deuterostomes: Experimental Approaches (Methods in Cell Biology) (Methods in Cell Biology). Academic Press, 2003.
Encontre o texto completo da fonte(Editor), Charles E. Ettensohn, Gary M. Wessel (Editor) e Gregory Wray (Editor), eds. Development of Invertebrate Deuterostomes: Experimental Approaches (Methods in Cell Biology) (Methods in Cell Biology). Academic Press, 2003.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Ascidian embryo"
Jeffery, W. R., B. J. Swalla e J. M. Venuti. "Mechanism of Dorsoventral Axis Determination in the Ascidian Embryo". In Mechanism of Fertilization: Plants to Humans, 591–604. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-83965-8_40.
Texto completo da fonteJeffery, William R. "Ultraviolet-Sensitive Determinants of Gastrulation and Axis Development in the Ascidian Embryo". In Gastrulation, 225–50. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-6027-8_14.
Texto completo da fonteGandhi, Shashank, Florian Razy-Krajka, Lionel Christiaen e Alberto Stolfi. "CRISPR Knockouts in Ciona Embryos". In Transgenic Ascidians, 141–52. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7545-2_13.
Texto completo da fonteWang, Wei, Claudia Racioppi, Basile Gravez e Lionel Christiaen. "Purification of Fluorescent Labeled Cells from Dissociated Ciona Embryos". In Transgenic Ascidians, 101–7. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7545-2_9.
Texto completo da fonteMcDougall, Alex, Janet Chenevert, Karen W. Lee, Celine Hebras e Remi Dumollard. "Cell Cycle in Ascidian Eggs and Embryos". In Results and Problems in Cell Differentiation, 153–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19065-0_8.
Texto completo da fonteLambert, Charles C. "Obtaining Gametes and Embryos of Ascidians". In Methods in Molecular Biology, 27–33. Totowa, NJ: Humana Press, 2014. http://dx.doi.org/10.1007/978-1-62703-974-1_2.
Texto completo da fonteNegishi, Takefumi, e Hiroki Nishida. "Asymmetric and Unequal Cell Divisions in Ascidian Embryos". In Results and Problems in Cell Differentiation, 261–84. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53150-2_12.
Texto completo da fonteMatsumoto, Jun, You Katsuyama e Yasushi Okamura. "Multiple cis-Regulatory Regions Control Neuronal Gene Expression of Synaptotagmin in Ascidian Embryos". In The Biology of Ascidians, 158–61. Tokyo: Springer Japan, 2001. http://dx.doi.org/10.1007/978-4-431-66982-1_26.
Texto completo da fonteMcDougall, Alex, Karen Wing-man Lee e Remi Dumollard. "Microinjection and 4D Fluorescence Imaging in the Eggs and Embryos of the Ascidian Phallusia mammillata". In Methods in Molecular Biology, 175–85. Totowa, NJ: Humana Press, 2014. http://dx.doi.org/10.1007/978-1-62703-974-1_11.
Texto completo da fontePaix, Alexandre, Janet Chenevert e Christian Sardet. "Localization and Anchorage of Maternal mRNAs to Cortical Structures of Ascidian Eggs and Embryos Using High Resolution In Situ Hybridization". In Methods in Molecular Biology, 49–70. Totowa, NJ: Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-005-8_4.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Ascidian embryo"
Michelin, Gael, Leo Guignard, Ulla-Maj Fiuza, Patrick Lemaire, Christophe Godine e Gregoire Malandain. "Cell pairings for ascidian embryo registration". In 2015 IEEE 12th International Symposium on Biomedical Imaging (ISBI 2015). IEEE, 2015. http://dx.doi.org/10.1109/isbi.2015.7163872.
Texto completo da fonteSardet, C., C. Rouvière, B. Flannery e J. Davoust. "Time lapse confocal microscopy of mitochondrial movements in ascidian embryos". In The living cell in four dimensions. AIP, 1991. http://dx.doi.org/10.1063/1.40578.
Texto completo da fonte