• The group then analyzed mouse embryos using molecular markers and discovered that precursors of neural crest cells in the brain and spinal cord began dying even before crest cells destined to help build the face could start migrating. (stowers.org)
  • Monopodial branching of the embryonic lungs of ( a - h ) domestic chicken Gallus gallus , ( i - p ) Japanese quail Coturnix japonica , or ( q - x ) pekin duck Anas platyrhynchos . (biomedcentral.com)
  • As an alternative to the mouse assay incubating quail (Coturnix coturnix japonica) and chicken (Gallus gallus domestics) embryos were evaluated. (usda.gov)
  • 2016. Parthenogenesis in mated Chinese painted quail (Coturnix chinensis) hens decreases sperm-egg penetration and alters albumen characteristics. (msstate.edu)
  • 2014. Selection for the parthenogenetic trait in Chinese painted quail (Coturnix chinensis) affects hatchability parameters. (msstate.edu)
  • 2012. The relationship of incubational egg weight loss with parthenogenesis in Chinese Painted Quail (Coturnix chinensis). (msstate.edu)
  • A total number of 128 birds at 12 weeks old Japanese quail (Coturnix Coturnix Japonica) were used (96 females and 32 males). (edu.iq)
  • Effect of different levels of dietary vitamin e on reproductive and productive performances in japanese quails (Coturnix coturnix japonica)" Veterinary Research Forum, 8 (4), 353-359. (edu.iq)
  • Embryos of Japanese quail (Coturnix coturnix japonica) were rescued by two cycles of high-dose human chorionic gonadotropin (hCG) treatment. (snackchallenge.nl)
  • After cessation of egg retention in the large-billed Japanese quail (Coturnix japonica komadori), hCG was injected intramuscularly to stimulate ovulation. (snackchallenge.nl)
  • In this study, the SWKQ series microcomputer automatic incubator was used to study the growth and development of quail in the embryonic stage. (bvs-vet.org.br)
  • Analyzing the development of embryonic lungs from chicken, quail, and duck, as well as lungs explanted and cultured ex vivo, revealed that the patterns of branching are remarkably conserved. (biomedcentral.com)
  • TIE1p.H2B-eYFP)] embryos at embryonic stages 6-11. (mit.edu)
  • 2012. The relationship of parthenogenesis in virgin Chinese painted quail (Courtnix chinesis) hens with embryonic mortality and hatchability following mating. (msstate.edu)
  • Embryonic stem (ES) cells are derived from the embryo and are pluripotent, thus possessing the capability of developing into any organ, cell type or tissue type. (justia.com)
  • The complex solution of lipid vesicles and pmiwZ plasmid, a β-galactosidase expression vector under the control of β-actin promoter as a reporter, was injected into quail embryos at various developmental stages using a glass micropipette. (elsevierpure.com)
  • Morphometric analysis of lungs as a function of developmental time (Hamburger-Hamilton stage) in chicken, quail, and duck embryos. (biomedcentral.com)
  • Where researchers once struggled to connect events at static timepoints, imaging tools now offer the ability to visualize the dynamic form and function of molecules, cells, tissues, and whole embryos throughout the entire developmental process. (cshlpress.com)
  • Nicole Le Douarin pioneered the use of quail-chick chimeras to study the developmental fate of cells in the bird embryo. (sdbonline.org)
  • Fast and Efficient Expression of Multiple Proteins in Avian Embryos Using mRNA Electroporation J Vis Exp. (usc.edu)
  • In 1817 Christian Pander, a doctoral student at the University of Würzburg, in Würzburg, Germany, discovered the germ layers in chick embryos, Gallus gallus . (asu.edu)
  • In chick embryos, neural tube-derived signals are required for this conversion, as the interposition of a membrane between neural tube and somites results in a failure of the dermatome to lose its epithelial arrangement. (biologists.com)
  • Two experiments were conducted using virgin Chinese painted quail hens. (scialert.net)
  • The top row shows the relative size of the eggs (or embryo, in the case of the mammal). (harvard.edu)
  • 2016. Parthenogenetic embryos from unfertilized Chinese painted quail eggs alter albumen pH, gases, and ion concentrations during incubation. (msstate.edu)
  • The in vivo effect of live PP virus following vaccination and the in vitro effects of live PP and ND viruses following direct administration over the germinal disc of cultured quail eggs on parthenogenesis were determined. (scialert.net)
  • Many years ago, farmers and chicken rearers used actual candles to see into their eggs and find out if embryos were developing properly. (backyardstyle.com)
  • This model ships with two rubber candler covers that can cover eggs of all sizes, from quails up to duck eggs. (backyardstyle.com)
  • In each cycle of hCG treatment, eggs were incubated until all of the large-billed Japanese quail eggs had been collected. (snackchallenge.nl)
  • Transgenic quail that ubiquitously express fluorescent proteins provide a novel amniote model system that permits investigations in living embryos with unprecedented spatiotemporal resolution. (usc.edu)
  • Fluorescent Quail: A Transgenic Model System for the Dynamic Study of Avian Development Methods Mol Biol. (usc.edu)
  • Approximately eleven hours of confocal laser microscopy time-lapse imagery taken of a transgenic quail embryo expressing fluorescent proteins. (mit.edu)
  • The teratogenic effect of an organophosphorated insecticide (parathion) in the bird embryo. (cdc.gov)
  • After incubation at 37.7 °C for 3-4 d, the embryos were fixed and stained with X-gal solution. (elsevierpure.com)
  • Parathion administered before incubation, or at the first stages of incubation, is found to give to chicks and Japanese quail serious axial deformities. (cdc.gov)
  • Parathion administered to embryos at different stages of incubation gives also serious morphological abnormalities of the cervical region of the vertebral column. (cdc.gov)
  • The angiogenic potency was evaluated based on the area and length of blood vessels formed in the quail embryos on days 1, 3, 5, and 7 after transplantation with hypoxic AT-MSCs, normoxic AT-MSCs, hypoxic UC-MSCs, or normoxic UC-MSCs, and compared to placebo control (PBS injection). (minervamedica.it)
  • RESULTS: According to histochemical findings obtained from our study when compared with control embryos, blood vessels, fibroblast count and inflammatory infiltration were observed more in the tumor transplanted groups, especially in the tumordeveloping CAM region. (bvsalud.org)
  • Under optimal conditions, about 80% of quail embryos expressed β-galactosidase in limited regions of tissues and organs with high viability. (elsevierpure.com)
  • Further techniques are organized by the level of visualization they provide, from cells to tissues and organs to whole embryos. (cshlpress.com)
  • The phenomenon has been observed in a variety of avian species, including chickens 9 , turkeys 10 and quail 11 . (scialert.net)
  • In particular, secondary bronchi form at identical positions in chicken and quail, the patterns of which are indistinguishable, consistent with the close evolutionary relationship of these two species. (biomedcentral.com)
  • In contrast, secondary bronchi form at slightly different positions in duck, the lungs of which are significantly larger than those of chicken and quail at the same stage of development. (biomedcentral.com)
  • Our findings suggest that monopodial branching off the primary bronchus is driven by apical constriction in lungs of chicken, quail, and duck. (biomedcentral.com)
  • In a previous hatch quail chicks weighed 7g and chicken chicks weighed 48g, a 6.85 fold difference. (usda.gov)
  • MATERIAL AND METHODS: A fresh tumor tissue piece taken from Glioblastoma patients, a malignant tumor of the central nervous system, was transferred to the CAM of chicken embryos and left to incubate in the incubator and their development was monitored. (bvsalud.org)
  • CONCLUSION: As a result, it has been shown that the chicken embryo CAM model may be a suitable in vivo model for cancer angiogenesis studies. (bvsalud.org)
  • Clinical signs did not develop in any of porcine turbinate cells (PT-K75) and primary chicken animal, nor were gross pathologic changes evident on embryo epithelial kidney cells supported SARS-CoV repli- postmortem examinations. (cdc.gov)
  • Results demonstrate that these embryos are effective vertebrate models to detect the activity of botulinum type A toxin. (usda.gov)
  • Rathke's results showed that these two cell layers existed in the embryos of non-vertebrate animals. (asu.edu)
  • In a developing vertebrate embryo, the gut tube is connected along its length to an elastic sheet of tissue called the mesentery. (harvard.edu)
  • We have induced cells from the epithelial quail somite to differentiate into angioblasts with FGF-2 both in the embryo and in culture. (syr.edu)
  • This study proposes to describe the basal hepatic metabolism at the level of mRNA in mule duck embryos in order to reveal potential interesting programming windows in the context of foie gras production. (biomedcentral.com)
  • The livers of 20 mule duck embryos were collected every 4 days from the 12th day of embryogenesis (E12) until 4 days after hatching (D4), and gene expression analysis was performed. (biomedcentral.com)
  • Multi-scale quantification of tissue behavior during amniote embryo axis elongation Development. (usc.edu)
  • In his article "On the Anatomy and Affinities of the Family of the Medusae," Huxley compared the anatomy of the jellyfish family and recognized that the two tissue layers he saw in the body plan of the adult jellyfish corresponded with, or were homologous to, the layers in the embryo of the chick that Pander had described. (asu.edu)
  • Mangold transplanted ectoderm harvested from the dorsal lip, the main organizing tissue of the embryo during gastrulation, between donor and host species of newts. (asu.edu)
  • In human embryos, cerebral tissue in the form of neuroectoderm appears within the first nine weeks of human development, and it gives rise to the brain and spinal cord. (asu.edu)
  • It appears that vaccination of virgin hens with live PP virus has the potential to increase parthenogenesis as well as parthenogen size by the direct action of the virus on the embryo. (scialert.net)
  • Moreover, 35% of the treated embryos (15/43) hatched following in vitro embryo culture, using the method developed by us. (elsevierpure.com)
  • Huxley next coupled the anatomy of an adult organism with the anatomy of an embryo, and he proposed a connection between the study of growth and development, called ontogeny, and the study relationships between organisms or taxa, called phylogeny. (asu.edu)
  • It spans the first 43 hours of development of the Japanese quail (10 minutes per frame). (sdbcore.org)
  • We identified highly dynamic modifications of local cell density, movement, and shape occurring during primordia emergence in the Japanese quail. (cam.ac.uk)
  • The objective of the present study was to show the effect of adding different levels of vitamin E and inorganic Selenium (Sodium selenite) on the fertility and hatchability of Japanese quail from Apr 15 2021 to Jul 15 2021. (edu.iq)
  • In conclusion, supplementation of vitamin E +selenium to quail diets is an ameliorative tool in fertility and hatchability traits of Japanese quail. (edu.iq)
  • Effect Of Dietary Vitamin E and organic selenium supplementation on reproductive performance of japanese quail breeders. (edu.iq)
  • PubMed: Activity of cholinesterases in the Japanese quail embryo. (megabrass.com)
  • In this project, you will investigate how cold and heat acclimation changes the appearance of birds' bodies during different life stages - from embryos to adults - using Japanese quail. (lu.se)
  • Quail were incubated for 15 d and chickens for 18 d under standard conditions. (usda.gov)
  • species during the first week after inoculation, and in chick- en organs at 2 weeks after inoculation. (cdc.gov)
  • The second is the neuroectoderm, which forms the nervous system of the embryo. (asu.edu)
  • The movie contains three parts: 1) an introduction of blastoderm organization (00:00-00:17), 2) 43h of quail development with animated descriptions (00:17-00:59), and 3) 43h of quail development uninterrupted (00:59-01:20). (sdbcore.org)
  • We are taking an interdisciplinary approach to studying primordial germ cell (PGC) development in the context of gastrulating embryos by combining the power of molecular genetics with advanced optical imaging within living embryos. (usc.edu)
  • Our studies address outstanding questions fundamental to PGC development and early embryogenesis including when, where, and how they are specified, how balance their need to move with their need to proliferate, and how they move in and out of the living embryo. (usc.edu)
  • Powerful advancements in molecular genetic manipulation and assisted reproductive technolo-gies are employed during embryo and fetal development, and these efforts have had profound impact on animal production worldwide. (ac.ir)
  • After gastrulation, the embryo goes through a process called neurulation, which starts the development of nervous system. (asu.edu)
  • Parthenogenesis is the spontaneous development of an embryo from an avian egg without going through the usual process of fertilization 7 , 8 . (scialert.net)
  • The videotape Nicole Le Douarin gave us permission to digitize is titled, "Quail-Chick Chimeras in Development of the Nervous System and Immune System" and it was made in 1987. (sdbonline.org)
  • Further studies, using quail-chick chimaeras system are in progress to verify the origin and the development of the interstitial cells. (nii.ac.jp)
  • This development generates the most complex structure within the embryo and the long time period of development means in utero insult during pregnancy may have consequences to development of the nervous system. (edu.au)
  • Recording and contextualizing the science of embryos, development, and reproduction. (asu.edu)
  • Antioxidant systems in chick embryo development. (edu.iq)
  • Eventually, the clump of cells goes through a stage called gastrulation, during which the embryo reorganizes itself into the three germ layers: endoderm, ectoderm, and mesoderm. (asu.edu)
  • Nicole Le Douarin discovered that Feulgen stain will distinguish chick cells from quail cells. (sdbonline.org)
  • Feulgen stained quail cells have interphase nuclei with condensed nucleolar-associated heterochromatin that's not found in chick interphase nuclei. (sdbonline.org)
  • To the right is an image of a Feulgen stained section showing quail cells on the left and chick cells on the right. (sdbonline.org)
  • 1.It has been shown that enteric ganglion cells arise from the vagal (somites 1-7) levels of the neural crest by the use of quail-chick chimaeras. (nii.ac.jp)
  • In the 3-day-old chick embryo, quail crest cells can be first found in the proventricule and the gizzard. (nii.ac.jp)
  • Using inter-species comparison in poultry, finch, emu, ostrich and penguin embryos, followed by perturbation of skin architecture ex vivo, we showed that oriented anisotropy of dermal cells prior to primordia formation is necessary for the regularity of the final array. (cam.ac.uk)
  • Using mouse, chick or zebrafish models, both test what goes awry when mutations derail migrating neural crest cells in a developing embryo. (stowers.org)
  • Controlled delivery of FGF-2 from beads and aggregates of cells transfected with quail VEGF have been used in our laboratory to study the role of these growth factors in angioblast induction and migration. (syr.edu)
  • Here, we assessed the potential inhibitory effect of the glutathione-stabilized gold nanoparticles (Au-GSH NPs) on canine OS cells extravasation, utilizing the ex ovo chick embryo chorioallantoic membrane (CAM) model. (bvsalud.org)
  • Donor quail feathers (at the level of the graft) are dark and host chick feathers are light. (sdbonline.org)
  • Embryo viability was reassessed daily post-injection (PI). (usda.gov)
  • In-vivo assessment of the angiogenic potency of hypoxic and normoxic AT-MSCs and UC-MSCs was conducted using an ex ovo quail embryo model (cultured in 6-well plates). (minervamedica.it)
  • of Adipose Tissues in Quail Embryos by In Ovo Injection of All- Trans Retinoic Acid. (osu.edu)
  • His work carried out in the field of Anatomy brings together such families of science as Limb bud, Embryo and Axolotl. (research.com)
  • Embryos and fetuses were extracted via a ventral incision on the abdominal and uterine walls of one pregnant doe each day after euthanization with thiopental sodium at the dose of 31 mg/kg body weight intravenously. (ac.ir)
  • As an embryo develops, a single fertilized cell progresses through multiple rounds of cell division. (asu.edu)
  • In the present study, the method was applied for gene transfection into quail embryos. (elsevierpure.com)
  • Top: The researchers produced a graphical simulation of gut looping in a chick embryo (stage E16), using a model based on geometry, the mechanical properties of the tissues, and the relative growth rate of the gut tube and the mesentery. (harvard.edu)
  • On day 6, the head and body of quail were clearly differentiated, the legs became longer and the wings appeared. (bvs-vet.org.br)
  • Young quail-chick chimera with wings extended to better show pigmented quail feathers at the level of the graft. (sdbonline.org)
  • Within the bird's body it is possible that the viruses may either act directly on the embryo or indirectly on the physiological systems such as the immune system and/or reproductive system to enhance parthenogenesis 23 . (scialert.net)
  • In fact, the DNA viruses increased the incidence of parthenogenesis as well as embryo size and number 21 , 18 , whereas the RNA viruses increased only the incidence 20 , 8 . (scialert.net)
  • During 3 to 9 days of age, quail embryos length increased quickly, showing a linearly upward trend. (bvs-vet.org.br)
  • Two groups of ovulated quail were stimulated for 13 days by 100 i.u. hCG. (snackchallenge.nl)
  • Results showed that the embryo shape of became gradually defined as embryo aged. (bvs-vet.org.br)
  • The quail epiblast, like the human epiblast, flattens out to form a disc, from which the primitive streak arises at one end. (usc.edu)
  • Their report on human-animal chimeras set a worldwide precedent for discussions of the ethical use of those embryos in labs. (asu.edu)
  • At 7 embryo age, the entire embryo of quail was very clear, and the beak has formed. (bvs-vet.org.br)
  • At 9 day old, quail embryos length reached 2.2 cm. (bvs-vet.org.br)
  • The regression equation of embryo length to day old was curve regression, giving as following: y=-0.464+0.325x-0.004x2, y: embryo length, x: the age of the embryo. (bvs-vet.org.br)