Development of the zebrafish inner ear

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August undefined, 2024

WebThe inner ear is a remarkably intricate structure able to detect sound, motion, and gravity. During development of the zebrafish embryo, the ear undergoes dynamic morphogenesis from a simple epithelial vesicle into a complex labyrinth, consisting of three semicircular canals and three otolithic sensory organs, each with an array of differentiated cell types. WebDescription: : The auditory (hearing) and vestibular (balance) organ of the fish, equivalent to the inner ear of amniotes (fish do not have an outer or middle ear). Develops from a cranial ectodermal thickening, the otic placode, which arises on either side of the head midway …

Role of Bone morphogenetic protein 4 in zebrafish semicircular …

WebIn addition, for more information on the topics of development and regeneration, the reader is referred to recent reviews on the morphogenesis of the zebrafish inner ear and development of the sensory epithelia (Alsina and Whitfield, 2016), or hair-cell regeneration in the lateral line organ (Kniss et al., 2016). WebOct 1, 2001 · Zebrafish do not posses any overt specialization of the inner ear (e.g., a cochlea) for hearing although they do have Weberian ossicles that are capable of transmitting vibration from the gas-filled swim bladder to the inner ear. Both the lateral line and the inner ear are used to detect vibrational stimuli in a manner that could be … dgft hsn code

Histone deacetylase 1 is required for the development of the zebrafish ...

WebDec 28, 2024 · The inner ear of adult zebrafish has three otolith organs (the saccule, utricle, and lagena) that are very similar in structure, each of which is composed of a cell-packed sensory epithelium coupled with an otolith (Platt, 1993; Bang et al., 2001). WebMay 23, 2014 · Chapter 3. Zebrafish Inner Ear Development and Function. Summary; 1. Introduction; 2. Development of the Zebrafish Inner Ear; 3. Zebrafish Hearing and Vestibular Function; 4. Disease Models; 5. New Technologies; 6. Conclusions and Future Directions; Chapter 4. Human Gene Discovery for Understanding Development of the … WebApr 1, 2002 · Abstract Recent years have seen a renaissance of investigation into the mechanisms of inner ear development. Genetic analysis of zebrafish has contributed significantly to this endeavour, with several dramatic advances reported over the past year or two. Here, we review the major findings from recent work in zebrafish. Several … cibc investor\u0027s edge margin rates

Neurogenesis in the inner ear: the zebrafish statoacoustic ganglion ...

Zebrafish Inner Ear Development and Function Request PDF

WebAug 2, 2011 · Zebrafish have many benefits as a model animal for studying genes involved in inner ear development: first, zebrafish eggs develop in vitro; second, the zebrafish ear is transparent for the first few weeks of life; and third, forward genetic screens and antisense technology are well-established . The zebrafish inner ear system consists of ... WebOct 1, 2024 · Zebrafish models are widely utilized in studying inner ear development due to its rapid external embryonic development and optical clarity for observing the embryos (Whitfield et al., 2002; Wei et al., 2008). The inner ear structure of zebrafish is presented in Supplemental Fig. 1. In zebrafish, the precursors originate from the common pro ... dgft ice statusWebMay 1, 2024 · In particular, the Fgf8 gene plays an important role in the inner ear development of mice (Ratzan et al., 2024). Similarly, the loss of Fgf3 and Fgf8 in zebrafish causes the disappearance of ear tissues (Liu et al., 2003; Hans et al., 2007) and its downstream regulatory genes, such as SRY-Box transcription factor 9 (Sox9). dgft iec online print

"WebFeb 21, 2024 · Gain-and loss-of-function studies in several vertebrate species have demonstrated a requirement for Gbx2 in development of … " - Development of the zebrafish inner ear

Development of the zebrafish inner ear

WebJan 4, 2024 · We find that hair and supporting cells from the zebrafish inner ear and lateral line are transcriptionally distinct, and that hair and supporting cells differ between the cristae and maculae. All of these distinct cell types are present during larval development and … WebDec 1, 1996 · In a further class of mutants, ear size is affected while patterning appears to be relatively normal; mutations in three genes cause expansion of the otic vesicle, while in little ears and microtic, the ear is abnormally small, but still contains all five sensory …

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WebJun 9, 2004 · Expression of six1 in the Inner Ear and Neuromasts. Expression of six1 was observed in the developing inner ear and neuromasts of the lateral line until 96 hpf, the latest stage analyzed in this study. Transcripts of six1 were detected in all five sensory patches of the inner ear as well as in the semicircular canals (Fig. 4A–C). WebFeb 1, 2016 · In this study, consistent with previous observations, the whole-mount in situ hybridization results clearly demonstrated the expression of HDAC1 in the developing inner ear of the zebrafish, suggesting the potential role of HDAC1 in the development of …

WebNov 23, 2024 · Using in situ hybridization (ISH) labeling, the mRNA expression of PHF8 in the zebrafish lateral line system and otic … Histone demethylase PHF8 is crucial for multiple developmental processes, and hence, the awareness of its function in developing auditory organs needs to be increased. ... and position during the inner ear … WebZebrafish have lagena Birds have basilar papilla Mammals have organ of corti (cooked trochlea) When does inner ear development start? Week 4. When is inner ear functional? Week 22 . What determines the fate of the neural crest cells and preplacodal ectoderm in the neural plate?

WebThis dissertation focuses on the development and regulation of both sensory and neuronal cell populations. The sensory epithelium is established by the basic helixloop- helix transcription factor Atoh1. Misexpression of atoh1a in zebrafish results in induction of … WebIn this chapter, we describe the anatomy of the zebrafish craniofacial skeleton; its applications as models for the mammalian jaw, middle ear, palate, and cranial sutures; the superior imaging technology available in fish that has provided unprecedented insights …

WebApr 10, 2024 · In contrast, hair cells in the inner ear of zebrafish are produced throughout life and regenerate after trauma. However, it is unknown whether new sensory neurons are also formed in the adult zebrafish statoacoustic ganglion (SAG), the sensory ganglion …

WebWorking for two semesters on a BIOL 499 honours thesis project investigating the role of the retinoic acid signalling in the development … dgft iec printsolidsWebFeb 1, 2016 · To investigate the function of HDAC activity during inner ear development, zebrafish embryos were continuously treated from 12 hours post fertilization (hpf) onwards with 0.1 μM TSA or 100 μM VPA. dgft iec code checkWebDevelopment of utricular otoliths, but not saccular otoliths, is necessary for vestibular function and survival in zebrafish. Journal of Neurobiology. 2000;43:329–337. The authors demonstrate that in larval zebrafish, the utricle but not … dgft iec print onlineWebMar 21, 2002 · The early development of the zebrafish inner ear occurs rapidly beginning approximately 16 hr postfertilization (Haddon and … dgft iec updationWebFeb 20, 2024 · This study indicated that toluene may affect the development of both the inner ear and lateral line systems in zebrafish, while the lateral line system may be more sensitive to toluene than the inner ear. ... Toluene altered the expression level of genes involved in ear development/function in zebrafish, among which the mRNA levels of … dgft iec update onlineWebApr 11, 2013 · Development of inner ear morphology. We then investigated morphological changes of the otic vesicle of zebrafish from 2 to 7 dpf. During the first-week of zebrafish development, the otic vesicle area, otolith area, number of saccular hair cells, and density of saccular hair cells increased linearly with age and standard body length (Fig. 6). dgft iec verificationWebJan 5, 2024 · A CRISPR/Cas9-mediated pou4f3 mutant Tg(Brn3c:GFP) zebrafish model was established for the first time to demonstrate the essential role of pou4f3 in zebrafish ear development. Our study provides a highly efficient method for the establishment of a visualized model of gene knockout zebrafish and has the potential to allow high … cibc investor\u0027s edge rrif