Academic literature on the topic 'Embryonic axes'

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Journal articles on the topic "Embryonic axes"

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Benmahioul, B., F. Daguin, and M. Kaïd-Harche. "Cryopreservation of Pistacia vera embryonic axes." Journal of Forest Science 61, No. 4 (2016): 182–87. http://dx.doi.org/10.17221/63/2014-jfs.

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This preliminary study investigated the conservation of Pistacia vera genetic resources using seeds and isolated embryonic axes. First, the effect of storing seeds in ambient conditions on embryo viability was evaluated by in vitro culture. The germination rate of P. vera embryonic axes gradually decreased from 100% to 31% after 30-month storage of seeds. Cryopreservation may thus be necessary for the long-term conservation of embryos. A simple protocol was set up using embryonic axes. It included a single dehydration step with silica gel prior to direct freezing in liquid nitrogen (&ndash
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Stern, Claudio D., Yohko Hatada, Mark A. J. Selleck, and Kate G. Storey. "Relationships between mesoderm induction and the embryonic axes in chick and frog embryos." Development 116, Supplement (1992): 151–56. http://dx.doi.org/10.1242/dev.116.supplement.151.

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The hypoblast is generally thought to be responsible for inducing the mesoderm in the chick embryo because the primitive streak, and subsequently the embryonic axis, form according to the orientation of the hypoblast However, some cells become specified as embryonic mesoderm very late in development, towards the end of the gastrulation period and long after the hypoblast has left the embryonic region. We argue that induction of embryonic mesoderm and of the embryonic axis are different and separable events, both in amniotes and in amphibians. We also consider the relationships between the dors
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Beardmore, Tannis, and Wendy Vong. "Role of the cotyledonary tissue in improving low and ultralow temperature tolerance of butternut (Juglanscinerea) embryonic axes." Canadian Journal of Forest Research 28, no. 6 (1998): 903–10. http://dx.doi.org/10.1139/x98-064.

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Butternut (Juglans cinerea L.) survival is threatened in North America by the fungus Sirococcus clavigignenti-juglandacearum. To date, there is no control for this fungal disease and long-term seed storage, to ensure survival of the species, is not a viable option. Initially, low (0, –5, –10, –15, and –40°C) and ultralow (–196°C, cryopreservation) temperature tolerance of butternut embryonic axes isolated from the nuts collected from one tree was examined. Embryonic axes with approximately 3 mm of cotyledonary tissue attached to the hypocotyl area germinated after exposure to 0, –5, –10, –15,
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Shi, De-Li. "Canonical and Non-Canonical Wnt Signaling Generates Molecular and Cellular Asymmetries to Establish Embryonic Axes." Journal of Developmental Biology 12, no. 3 (2024): 20. http://dx.doi.org/10.3390/jdb12030020.

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The formation of embryonic axes is a critical step during animal development, which contributes to establishing the basic body plan in each particular organism. Wnt signaling pathways play pivotal roles in this fundamental process. Canonical Wnt signaling that is dependent on β-catenin regulates the patterning of dorsoventral, anteroposterior, and left–right axes. Non-canonical Wnt signaling that is independent of β-catenin modulates cytoskeletal organization to coordinate cell polarity changes and asymmetric cell movements. It is now well documented that components of these Wnt pathways bioch
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Kemp, Karin, and J. G. C. Small. "Anaerobic germination and metabolism of Erythrina seeds with special reference to mitochondria and nitrate reductase." Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences 102 (1994): 355–65. http://dx.doi.org/10.1017/s0269727000014342.

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AbstractSeeds of Erythrina caffra Thunb. are able to germinate anaerobically. Cycloheximide, chloramphenicol and malonate depressed germination. N2-incubated seeds metabolised [2-14C] Na-acetate. Synthesis of ATP in embryonic axes of N2-incubated seeds occurred to the same extent as in air-germinated seeds. Cycloheximide but not chloramphenicol depressed ATP and ethanol contents and respiratory capacity of embryonic axes.Embryonic axis mitochondrial O2 uptake capacity was similar for seeds incubated for 24 h in air and N2. The activities of five mitochondrial enzymes at this stage were slightl
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Santos, Izulmé Rita Imaculada, and Antonieta Nassif Salomão. "Viability Assessment ofGenipa americanaL. (Rubiaceae) Embryonic Axes after Cryopreservation UsingIn VitroCulture." International Journal of Agronomy 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/7392710.

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Embryonic axes excised from seeds ofGenipa americanaL. desiccated to different water contents were successfully cryopreserved by rapidly plunging seed samples directly into liquid nitrogen. Control and cryopreserved embryonic axes were excised and grown in WPM culture medium for viability assessment. All control embryonic axes (−LN2) excised from fully hydrated seeds (43.89% moisture content) germinated after 21 days of culturein vitro. These high germination percentages persisted even after the water content of the seeds was as low as 6.79%. After freezing in liquid nitrogen high germination
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SALOMÃO, A. N., I. R. I. SANTOS, S. C. B. R. JOSÉ, J. P. DA SILVA, and B. G. LAVIOLA. "Methods to assess the viability of cryopreserved Jatropha curcas L. seed germplasm." Revista Brasileira de Plantas Medicinais 18, no. 2 (2016): 391–98. http://dx.doi.org/10.1590/1983-084x/15_175.

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ABSTRACT Jatropha curcas L. is a plant species with many potential applications, especially medicinal uses (hypoglycemic, anti-inflammatory, haemostatic, healing, anti-tumor). The objective of this study was to test germination in moist paper rolls for whole seeds and in vitro for excised embryonic axes, in an attempt to identify the best method to assess the quality of J. curcas seed germplasm, cryopreserved with different water contents. The experimental sample with a 6.2% moisture content (MC) was divided in subsamples which were hydrated and dehydrated for 0 (control), 4, 8, 11 and 24h. Th
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Bansal, Alka, Daman Saluja, and R. C. Sachar. "Protein kinase in Cicer embryonic axes." Phytochemistry 26, no. 7 (1987): 1877–81. http://dx.doi.org/10.1016/s0031-9422(00)81720-3.

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Gonzalez-Benito, M. E., and C. Perez-Ruiz. "Cryopreservation of Quercus faginea embryonic axes." Cryobiology 29, no. 6 (1992): 685–90. http://dx.doi.org/10.1016/0011-2240(92)90072-a.

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Saude, L., K. Woolley, P. Martin, W. Driever, and D. L. Stemple. "Axis-inducing activities and cell fates of the zebrafish organizer." Development 127, no. 16 (2000): 3407–17. http://dx.doi.org/10.1242/dev.127.16.3407.

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We have investigated axis-inducing activities and cellular fates of the zebrafish organizer using a new method of transplantation that allows the transfer of both deep and superficial organizer tissues. Previous studies have demonstrated that the zebrafish embryonic shield possesses classically defined dorsal organizer activity. When we remove the morphologically defined embryonic shield, embryos recover and are completely normal by 24 hours post-fertilization. We find that removal of the morphological shield does not remove all goosecoid- and floating head-expressing cells, suggesting that th
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Dissertations / Theses on the topic "Embryonic axes"

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Hyman, Anthony Arie. "Establishment of division axes in the early embryonic divisions of Caenorhabditis Elegans." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.256630.

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Pennerstorfer, Markus. "Cleavage and cell fates in Phoronida." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2015. http://dx.doi.org/10.18452/17282.

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Die vorliegende Arbeit befasst sich mit Aspekten der frühen Entwicklung der Phoronida („Hufeisenwürmer“). An drei Arten wird der Furchungsprozess untersucht (Phoronis pallida, Phoronis muelleri, Phoronis vancouverensis). Dies erfolgt sowohl mithilfe der 4D-Mikroskopie als auch anhand von immunocytochemischen Markierungen der Mitosespindeln und konfokaler Laser-Scanning-Mikroskopie. Verschiedene morphologische Merkmale des Furchungsprozesses werden quantitativ erfasst und innerhalb sowie zwischen den Arten verglichen. Die Ergebnisse zeigen eine weitgehend übereinstimmende Furchung bei P. pallid
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Canning, David Richard. "The mechanisms of formation of the embryonic axis." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329968.

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Rakeman, Andrew Steven. "The role of Nap1-mediated cell migration : during morphogenesis and axis specification in the mouse /." Access full-text from WCMC:, 2006. http://proquest.umi.com/pqdweb?did=1296088091&sid=9&Fmt=2&clientId=8424&RQT=309&VName=PQD.

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Tatar, Tülin. "Nanog-Tcf15 axis during exit from naïve pluripotency." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31231.

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Pluripotent cells have the dual abilities to self-renewal and to differentiate into all three germ layers. Pluripotent cells can be isolated from two different stages of mouse embryogenesis. Embryonic stem cells (ESCs) are isolated from the inner cell mass (ICM) of the pre-implantation embryo and are considered to be in a naïve state. On the other hand, cells isolated from epiblast of the post-implantation embryo are referred as epiblast stem cells (EpiSC) and are representative of primed pluripotency. ESCs and EpiSCs are distinct from each other in terms of the morphology, the gene regulator
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Chahda, Juan Sebastian. "Analysis of Scaling Properties of Embryonic Morphogen Gradients During Drosophila Evolution." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1437000710.

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Lee, Hojoon. "On the extracellular network of interacting proteins that patterns the embryonic dorsal-ventral axis." Diss., Restricted to subscribing institutions, 2007. http://proquest.umi.com/pqdweb?did=1317324081&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Mastromina, Ioanna. "Investigation into the expression, role and regulation of the Myc oncogene during vertebrate embryonic body axis elongation." Thesis, University of Dundee, 2017. https://discovery.dundee.ac.uk/en/studentTheses/76216355-3572-4642-aaf8-72a9948af467.

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Goulding, Morgan Ben. "Comparative and experimental analysis of precocious cell-lineage diversification in the embryonic dorsoventral axis of the gastropod Ilyanassa /." Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3008339.

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Denans, Nicolas. "Role of the Hox genes in the control of the body axis elongation of the chicken embryo." Strasbourg, 2011. http://www.theses.fr/2011STRA6147.

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La segmentation de la colonne vertébrale est une caractéristique des vertébrés. Au cours de l’embryogénèse, les somites, précurseurs des vertèbres, se forment de façon périodique par segmentation de la partie antérieure du mésoderme présomitique (PSM), un tissu mésenchymateux situé de part et d’autre du tube neural. Le PSM se forme par l’ajout progressif de cellules dans sa partie postérieure provenant de progéniteurs originaires de la ligne primitive puis du bourgeon caudal au cours de la gastrulation. Le nombre de somites est défini de façon très précise au sein d’une même espèce bien qu’il
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Books on the topic "Embryonic axes"

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D, Black Steven, Wassersug Richard J, and United States. National Aeronautics and Space Administration., eds. Amphibian development in the virtual absence of gravity: (embryonic axis/morphogenesis/swimming behavior). National Aeronautics and Space Administration, 1995.

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Book chapters on the topic "Embryonic axes"

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Normah, M. N., and A. M. Makeen. "Cryopreservation of Excised Embryos and Embryonic Axes." In Plant Cryopreservation: A Practical Guide. Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-72276-4_10.

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Klingler, Martin, and Diethard Tautz. "Formation of Embryonic Axes and Blastoderm Pattern in Drosophila." In Development. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-59828-9_19.

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Chmielarz, P. "Preservation of Quercus robur L. Embryonic Axes in Liquid Nitrogen." In Basic and Applied Aspects of Seed Biology. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5716-2_83.

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Dumet, D., and P. Berjak. "Desiccation Tolerance and Cryopreservation of Embryonic Axes of Recalcitrant Species." In Basic and Applied Aspects of Seed Biology. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5716-2_84.

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Normah, M. N., and M. N. Siti Dewi Serimala. "Cryopreservation of Seeds and Embryonic Axes of Several Citrus Species." In Basic and Applied Aspects of Seed Biology. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5716-2_90.

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Meinhardt, Hans. "Pattern Forming Reactions and the Generation of Primary Embryonic Axes." In Morphogenesis and Pattern Formation in Biological Systems. Springer Japan, 2003. http://dx.doi.org/10.1007/978-4-431-65958-7_1.

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Vieitez, Ana M., M. Carmen San-José, and Elena Corredoira. "Cryopreservation of Zygotic Embryonic Axes and Somatic Embryos of European Chestnut." In Methods in Molecular Biology. Humana Press, 2010. http://dx.doi.org/10.1007/978-1-61737-988-8_15.

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Hernández-Nistal, Josefina, Juan J. Aldasaro, Dolores Rodriguez, Josefa Babiano, and Gregorio Nicolás. "Intracellular Localization of Calmodulin on Embryonic Axes of Cicer Arietinum L." In Molecular and Cellular Aspects of Calcium in Plant Development. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2177-4_39.

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Sander, Klaus. "Wilhelm Roux on embryonic axes, sperm entry and the grey crescent." In Landmarks in Developmental Biology 1883–1924. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60492-8_3.

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Keulemans, J., and K. de Witte. "Plant regeneration from cotyledons and embryonic axes in apple: Sites of reaction and effect of pre-culture in the light." In Developments in Plant Breeding. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0467-8_74.

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Conference papers on the topic "Embryonic axes"

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Ou, Ming Cheh, Dennis Ou, and Chung Chu Pang. "Abstract 1436: The possible role of embryonic polarity axes for the normalization of tissue function induced by the interaction between human bilateral parts." In Proceedings: AACR 107th Annual Meeting 2016; April 16-20, 2016; New Orleans, LA. American Association for Cancer Research, 2016. http://dx.doi.org/10.1158/1538-7445.am2016-1436.

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Heo, Su-Jin, Nandan L. Nerurkar, Tristan P. Driscoll, and Robert L. Mauck. "Differentiation and Dynamic Tensile Loading Alter Nuclear Mechanics and Mechanoreception in Mesenchymal Stem Cells." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53432.

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Mesenchymal stem cells (MSCs) are a promising cell source for tissue engineering applications, given their ease of isolation and multi-potential differentiation capacity [1]. Passive and active mechanical signals can direct MSC lineage commitment [2], however, the subcellular machinery that translates physical cues to biologic response remains unclear. Direct deformation of the nucleus may influence differentiation by inducing mechanical reorganization of nuclear chromatin. Because the nuclei of differentiated cells are stiffer than progenitor cells [3], it is possible that such mechanoregulat
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Zhou, Wenjing, Yingjie Yu, Yanhong Duan, and Anand Asundi. "Phase reconstruction of living human embryonic kidney 293 cells based on two off-axis holograms." In International Conference on Experimental Mechnics 2008 and Seventh Asian Conference on Experimental Mechanics, edited by Xiaoyuan He, Huimin Xie, and YiLan Kang. SPIE, 2008. http://dx.doi.org/10.1117/12.838970.

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Chen, Duanduan, Kyosuke Shinohara, Jun Ren, and Hiroshi Hamada. "The Protein-Driven Ciliary Motility in Embryonic Nodes: A Computational Model of Ciliary Ultrastructure." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62460.

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The movement of embryonic cilia presents a crucial function in specifying left-right axis for vertebrates. Those mono-cilia are primary (9+0) cilia, whose characteristic architecture is based on a cylindrical arrangement of 9 microtubule doublets. Dynein motors located between adjacent doublets convert the chemical energy of ATP hydrolysis into mechanical work that induces doublet sliding. Passive components, such as the mediated cytoplasm, the ciliary membrane, and other possibly-existent structures constraint the ciliary motion and maintain the cilia structural integrity, thus resulting in t
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Holloway, David M., and Alexander V. Spirov. "Gene expression noise in embryonic spatial patterning: Reliable formation of the head-to-tail axis in the fruit fly." In 2011 21st International Conference on Noise and Fluctuations (ICNF). IEEE, 2011. http://dx.doi.org/10.1109/icnf.2011.5994379.

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Song, Bomin, and Hyonchol Jang. "Abstract 1520: Regulation of stemness by perturbation of OCT4-PP1 axis reduces malignancy of embryonal carcinoma." In Proceedings: AACR Annual Meeting 2018; April 14-18, 2018; Chicago, IL. American Association for Cancer Research, 2018. http://dx.doi.org/10.1158/1538-7445.am2018-1520.

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Sims, Danica Anne, Hapiloe Mabaruti Maranyane, Jade Peres, and Sharon Prince. "Abstract B43: The c-Myc/AKT1/TBX3 axis is important to target in the treatment of embryonal rhabdomyosarcoma." In Abstracts: AACR Special Conference on the Advances in Pediatric Cancer Research; September 17-20, 2019; Montreal, QC, Canada. American Association for Cancer Research, 2020. http://dx.doi.org/10.1158/1538-7445.pedca19-b43.

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Reports on the topic "Embryonic axes"

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Funkenstein, Bruria, and Cunming Duan. GH-IGF Axis in Sparus aurata: Possible Applications to Genetic Selection. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7580665.bard.

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Many factors affect growth rate in fish: environmental, nutritional, genetics and endogenous (physiological) factors. Endogenous control of growth is very complex and many hormone systems are involved. Nevertheless, it is well accepted that growth hormone (GH) plays a major role in stimulating somatic growth. Although it is now clear that most, if not all, components of the GH-IGF axis exist in fish, we are still far from understanding how fish grow. In our project we used as the experimental system a marine fish, the gilthead sea bream (Sparus aurata), which inhabits lagoons along the Mediter
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Yahav, Shlomo, John Brake, and Orna Halevy. Pre-natal Epigenetic Adaptation to Improve Thermotolerance Acquisition and Performance of Fast-growing Meat-type Chickens. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7592120.bard.

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: The necessity to improve broiler thermotolerance and performance led to the following hypothesis: (a) thethermoregulatory-response threshold for heat production can be altered by thermal manipulation (TM) during incubation so as to improve the acquisition of thermotolerance in the post-hatch broiler;and (b) TM during embryogenesis will improve myoblast proliferation during the embryonic and post-hatch periods with subsequent enhanced muscle growth and meat production. The original objectives of this study were as follow: 1. to assess the timing, temperature, duration, and turning frequency r
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Funkenstein, Bruria, and Shaojun (Jim) Du. Interactions Between the GH-IGF axis and Myostatin in Regulating Muscle Growth in Sparus aurata. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7696530.bard.

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Growth rate of cultured fish from hatching to commercial size is a major factor in the success of aquaculture. The normal stimulus for muscle growth in growing fish is not well understood and understanding the regulation of muscle growth in fish is of particular importance for aquaculture. Fish meat constitutes mostly of skeletal muscles and provides high value proteins in most people's diet. Unlike mammals, fish continue to grow throughout their lives, although the size fish attain, as adults, is species specific. Evidence indicates that muscle growth is regulated positively and negatively by
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