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Genomes and Genes | caenorhabditis elegans proteinsSummarySummary: Proteins from the nematode species CAENORHABDITIS ELEGANS. The proteins from this species are the subject of scientific interest in the area of multicellular organism MORPHOGENESIS. Top Publications
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Publications
IRE1 couples endoplasmic reticulum load to secretory capacity by processing the XBP-1 mRNAMarcella Calfon
Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York, NY 10016, USA
Nature 415:92-6. 2002..Our findings suggest that physiological ER load regulates a developmental decision in higher eukaryotes...
Potent and specific genetic interference by double-stranded RNA in Caenorhabditis elegansA Fire
Carnegie Institution of Washington, Department of Embryology, Baltimore, Maryland 21210, USA
Nature 391:806-11. 1998....
C. elegans EGL-9 and mammalian homologs define a family of dioxygenases that regulate HIF by prolyl hydroxylationA C Epstein
The Henry Wellcome Building of Genomic Medicine, Roosevelt Drive, Oxford OX3 7BN, United Kingdom
Cell 107:43-54. 2001....
daf-16 integrates developmental and environmental inputs to mediate aging in the nematode Caenorhabditis elegansS T Henderson
Institute for Behavioral Genetics, University of Colorado at Boulder, Campus Box 447, Boulder, CO 80309 0447, USA
Curr Biol 11:1975-80. 2001..We suggest that changes in the subcellular localization of DAF-16 by environmental cues allows for rapid reallocation of resources in response to a changing environment at all stages of life...
Against the oxidative damage theory of aging: superoxide dismutases protect against oxidative stress but have little or no effect on life span in Caenorhabditis elegansRyan Doonan
Institute of Healthy Ageing and Research Department of Genetics, Evolution and Environment, University College London, London WC1E 6BT, United Kingdom
Genes Dev 22:3236-41. 2008..However, loss of the extracellular Cu/ZnSOD sod-4 enhances daf-2 longevity and constitutive diapause, suggesting a signaling role for sod-4. Overall, these findings imply that O(2)(-) is not a major determinant of aging in C. elegans...
Deletion of the mitochondrial superoxide dismutase sod-2 extends lifespan in Caenorhabditis elegansJeremy M Van Raamsdonk
Department of Biology, McGill University, Montreal, Quebec, Canada
PLoS Genet 5:e1000361. 2009..Overall, we show that increased oxidative stress caused by deletion of sod genes does not result in decreased lifespan in C. elegans and that deletion of sod-2 extends worm lifespan by altering mitochondrial function...
Genes that act downstream of DAF-16 to influence the lifespan of Caenorhabditis elegansColeen T Murphy
Department of Biochemistry and Biophysics, University of California, San Francisco, California 94143-2200, USA
Nature 424:277-83. 2003....
Neuropeptide feedback modifies odor-evoked dynamics in Caenorhabditis elegans olfactory neuronsSreekanth H Chalasani
Howard Hughes Medical Institute, The Rockefeller University, New York, New York, USA
Nat Neurosci 13:615-21. 2010..Our results point to neuronal dynamics as a site of behavioral regulation and reveal the ability of neuropeptide feedback to remodel sensory networks on multiple timescales...
Rictor/TORC2 regulates fat metabolism, feeding, growth, and life span in Caenorhabditis elegansAlexander A Soukas
Department of Genetics, Harvard Medical School, Boston, Massachusetts 02114, USA
Genes Dev 23:496-511. 2009..These data indicate that Rictor/TORC2 is a nutrient-sensitive complex with outputs to AKT and SGK to modulate the assessment of food quality and signal to fat metabolism, growth, feeding behavior, reproduction, and life span...
Identification of guanylyl cyclases that function in thermosensory neurons of Caenorhabditis elegansHitoshi Inada
Group of Molecular Neurobiology, Department of Molecular Biology, Graduate School of Science, Nagoya University, Japan
Genetics 172:2239-52. 2006..These results suggest that three guanylyl cyclases function redundantly in the AFD neurons to mediate thermosensation by C. elegans...
SKN-1 links C. elegans mesendodermal specification to a conserved oxidative stress responseJae Hyung An
Center for Blood Research and Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA
Genes Dev 17:1882-93. 2003..This oxidative stress response thus appears to be both widely conserved and ancient, suggesting that the mesendodermal specification role of SKN-1 was predated by its function in these detoxification mechanisms...
Identification and characterization of the vesicular GABA transporterS L McIntire
Graduate Programs in Neuroscience, Cell Biology and Biomedical Sciences, Department of Neurology, UCSF School of Medicine, San Francisco, California 94143 0435, USA
Nature 389:870-6. 1997..Thus VGAT is the first of a new family of neurotransmitter transporters...
Direct inhibition of the longevity-promoting factor SKN-1 by insulin-like signaling in C. elegansJennifer M A Tullet
Section on Developmental and Stem Cell Biology, Joslin Diabetes Center Department of Pathology, Harvard Medical School Harvard Stem Cell Institute, 1 Joslin Place, Boston, MA 02215, USA
Cell 132:1025-38. 2008..Furthermore, SKN-1 that is constitutively active increases life span independently of DAF-16. Our findings indicate that the transcription network regulated by SKN-1 promotes longevity and is an important direct target of IIS...
Caenorhabditis elegans dauers need LKB1/AMPK to ration lipid reserves and ensure long-term survivalPatrick Narbonne
Department of Biology, McGill University, Montreal, Quebec H3A 1B1, Canada
Nature 457:210-4. 2009..These mechanisms may be essential for survival through diapause, hibernation, or long-term fasting in diverse organisms and may also underlie AMPK-dependent life span extension...
Regulation of C. elegans DAF-16 and its human ortholog FKHRL1 by the daf-2 insulin-like signaling pathwayR Y Lee
Present addresses WormBase, Division of Biology, California Institute of Technology 156 29, Pasadena, CA 91125, USA
Curr Biol 11:1950-7. 2001..Together, these observations suggest that the combined effects of transcriptional and posttranslational regulation of daf-16 transduce insulin-like signals in C. elegans and perhaps more generally...
A Caenorhabditis elegans cohesion protein with functions in meiotic chromosome pairing and disjunctionP Pasierbek
Department of Cytology and Genetics, Institute of Botany, University of Vienna, A 1030 Vienna, Austria
Genes Dev 15:1349-60. 2001..The loss of yeast Rec8p from chromosome arms at meiosis I and centromeres at meiosis II coordinates the disjunction of homologs and sister chromatids at the two meiotic divisions...
Oxidative stress and longevity in Caenorhabditis elegans as mediated by SKN-1Sang Kyu Park
Institute for Behavioral Genetics, University of Colorado, Box 447, Boulder, CO 80309, USA
Aging Cell 8:258-69. 2009..These findings showed that a transcriptional shift from growth and maintenance towards the activation of cellular defense mechanisms was caused by the oxidative stress; many of these transcriptional alterations are SKN-1 dependent...
Distinct argonaute-mediated 22G-RNA pathways direct genome surveillance in the C. elegans germlineWeifeng Gu
Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01606, USA
Mol Cell 36:231-44. 2009..These findings broaden our understanding of the biogenesis and diversity of 22G-RNAs and suggest additional regulatory functions for small RNAs...
Condition-adapted stress and longevity gene regulation by Caenorhabditis elegans SKN-1/NrfRiva P Oliveira
Section on Developmental and Stem Cell Biology, Joslin Diabetes Center, Department of Pathology, Harvard Medical School, Harvard Stem Cell Institute, One Joslin Place, Boston, MA 02215, USA
Aging Cell 8:524-41. 2009..In response to stress, SKN-1 and other regulators tailor transcription programs to meet the challenge at hand. Our findings reveal striking complexity in SKN-1 functions and the regulation of systemic detoxification defenses...
Quantitative mass spectrometry identifies insulin signaling targets in C. elegansMeng Qiu Dong
Scripps Research Institute, La Jolla, CA92037, USA
Science 317:660-3. 2007..In particular, we discovered a compensatory mechanism activated in response to reduced DAF-2 signaling, which involves the protein phosphatase calcineurin...
Evolution of host innate defence: insights from Caenorhabditis elegans and primitive invertebratesJavier E Irazoqui
Department of Pediatrics, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
Nat Rev Immunol 10:47-58. 2010..What, therefore, do we know about host defence mechanisms in C. elegans and what can they tell us about innate immunity in higher organisms?..
Mutations in a cyclic nucleotide-gated channel lead to abnormal thermosensation and chemosensation in C. elegansH Komatsu
Department of Biology, Faculty of Science, Kyushu University, Fukuoka, Japan
Neuron 17:707-18. 1996..The results suggest that a cyclic nucleotide-gated channel is required for thermosensation and chemosensation and that cGMP is an important intracellular messenger in C. elegans sensory transduction...
Germline P granules are liquid droplets that localize by controlled dissolution/condensationClifford P Brangwynne
Max Planck Institute for Molecular Cell Biology and Genetics, 01307 Dresden, Germany
Science 324:1729-32. 2009..This process reflects a classic phase transition, in which polarity proteins vary the condensation point across the cell. Such phase transitions may represent a fundamental physicochemical mechanism for structuring the cytoplasm...
An RNAi screen for mitochondrial proteins required to maintain the morphology of the organelle in Caenorhabditis elegansRyohei Ichishita
Department of Molecular Biology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
J Biochem 143:449-54. 2008..Furthermore, 88 uncharacterized or poorly characterized genes were found in the screening to be implicated in mitochondrial morphology...
A phylogeny of caenorhabditis reveals frequent loss of introns during nematode evolutionSoochin Cho
Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, Michigan 48864, USA
Genome Res 14:1207-20. 2004..The small size of C. elegans introns should increase the rate at which each of these types of loss can occur, and might account for the dramatic difference in loss rate between nematodes and mammals...
Tissue-specific activities of C. elegans DAF-16 in the regulation of lifespanNataliya Libina
Department of Biochemistry and Biophysics, Mission Bay Genentech Hall, 600 16th Street, Room S312D, University of California, San Francisco, San Francisco, CA 94143, USA
Cell 115:489-502. 2003..We suggest that this network of tissue interactions and feedback regulation allows the tissues to equilibrate and fine-tune their expression of downstream genes, which, in turn, coordinates their rates of aging within the animal...
Regulation of the Caenorhabditis elegans longevity protein DAF-16 by insulin/IGF-1 and germline signalingK Lin
Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, California, USA
Nat Genet 28:139-45. 2001..Together these findings reveal unexpected complexity in the DAF-16-dependent pathways that regulate aging...
Condensins regulate meiotic DNA break distribution, thus crossover frequency, by controlling chromosome structureDavid G Mets
Howard Hughes Medical Institute, University of California Berkeley, Berkeley, CA 94720 3204, USA
Cell 139:73-86. 2009....
Members of the H3K4 trimethylation complex regulate lifespan in a germline-dependent manner in C. elegansEric L Greer
Department of Genetics, Stanford University, 300 Pasteur Drive, Stanford, California 94305, USA
Nature 466:383-7. 2010..These results indicate that the longevity of the soma is regulated by an H3K4 methyltransferase/demethylase complex acting in the C. elegans germline...
Inhibition of Caenorhabditis elegans social feeding by FMRFamide-related peptide activation of NPR-1Candida Rogers
MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK
Nat Neurosci 6:1178-85. 2003..elegans. Our data suggest a model in which solitary feeding evolved in an ancestral social strain of C. elegans by a gain-of-function mutation that modified the response of NPR-1 to FLP-18 and FLP-21 ligands...
Anti-fungal innate immunity in C. elegans is enhanced by evolutionary diversification of antimicrobial peptidesNathalie Pujol
Centre d immunologie de Marseille Luminy, Universite de la Mediterranee, Case 906, Marseille, France
PLoS Pathog 4:e1000105. 2008..Our results suggest that selective pressure from pathogens influences intra-genomic diversification of AMPs and reveal an unexpected complexity in AMP regulation as part of the invertebrate innate immune response...
An elt-3/elt-5/elt-6 GATA transcription circuit guides aging in C. elegansYelena V Budovskaya
Department of Developmental Biology, Stanford University Medical Center, Stanford, CA 94305, USA
Cell 134:291-303. 2008..These results identify a transcriptional circuit that guides the rapid aging process in C. elegans and indicate that this circuit is driven by drift of developmental pathways rather than accumulation of damage...
The Argonaute CSR-1 and its 22G-RNA cofactors are required for holocentric chromosome segregationJulie M Claycomb
Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01606, USA
Cell 139:123-34. 2009..Instead, our findings support a model in which CSR-1 complexes target protein-coding domains to promote their proper organization within the holocentric chromosomes of C. elegans...
Gene regulatory logic of dopamine neuron differentiationNuria Flames
Howard Hughes Medical Institute, Department of Biochemistry and Molecular Biophysics, Columbia University Medical Center, New York, New York 10032, USA
Nature 458:885-9. 2009..Our studies reveal a simple and apparently conserved regulatory logic of dopamine neuron terminal differentiation and may provide new entry points into the diagnosis or therapy of conditions in which dopamine neurons are defective...
daf-2, an insulin receptor-like gene that regulates longevity and diapause in Caenorhabditis elegansK D Kimura
Department of Molecular Biology, Massachusetts General Hospital, Boston, MA 02114, USA
Science 277:942-6. 1997..Life-span regulation by insulin-like metabolic control is analogous to mammalian longevity enhancement induced by caloric restriction, suggesting a general link between metabolism, diapause, and longevity...
An integrated strategy to study muscle development and myofilament structure in Caenorhabditis elegansBarbara Meissner
Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada
PLoS Genet 5:e1000537. 2009..Many of the genes affecting sarcomere integrity have human homologs for which little or nothing is known...
A hub-and-spoke circuit drives pheromone attraction and social behaviour in C. elegansEvan Z Macosko
Howard Hughes Medical Institute, Laboratory of Neural Circuits and Behavior, The Rockefeller University, 1230 York Avenue, New York, New York 10065, USA
Nature 458:1171-5. 2009..The coordination of social behaviours by RMG suggests an anatomical hub-and-spoke model for sensory integration in aggregation, and points to functions for related circuit motifs in the C. elegans wiring diagram...
Regulation of aging and age-related disease by DAF-16 and heat-shock factorAo Lin Hsu
Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94143 2200, USA
Science 300:1142-5. 2003..The small heat-shock proteins also delay the onset of polyglutamine-expansion protein aggregation, suggesting that these proteins couple the normal aging process to this type of age-related disease...
Mitochondrial respiratory chain dysfunction variably increases oxidant stress in Caenorhabditis elegansStephen Dingley
Division of Human Genetics, Department of Pediatrics, The Children s Hospital of Philadelphia and University of Pennsylvania, Philadelphia, PA 19104, USA
Mitochondrion 10:125-36. 2010..elegans. This work highlights the utility of the C. elegans model as a tractable means to non-invasively monitor multi-dimensional in vivo consequences of primary mitochondrial dysfunction...
An isoform of eIF4E is a component of germ granules and is required for spermatogenesis in C. elegansA Amiri
Department of Biology, Jordan Hall, 1001 E Third St, Indiana University, Bloomington, IN 47405 3700, USA
Development 128:3899-912. 2001..Our results suggest that C. elegans spermatogenesis requires either this specific isoform of eIF4E or an elevated level of eIF4E...
Oxidative stress enzymes are required for DAF-16-mediated immunity due to generation of reactive oxygen species by Caenorhabditis elegansVioleta Chavez
Department of Microbiology and Molecular Genetics, The University of Texas Health Science Center, Houston, Texas 77030, USA
Genetics 176:1567-77. 2007..Because insulin-signaling mutants overproduce oxidative stress response enzymes, the model provides an explanation for their increased resistance to pathogens...
Glucose restriction extends Caenorhabditis elegans life span by inducing mitochondrial respiration and increasing oxidative stressTim J Schulz
Department of Human Nutrition, Institute of Nutrition, University of Jena, D 07743 Jena, Germany
Cell Metab 6:280-93. 2007....
synMuv B proteins antagonize germline fate in the intestine and ensure C. elegans survivalLisa N Petrella
Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA 95064, USA
Development 138:1069-79. 2011..Somatic expression of germline genes is enhanced at elevated temperature, leading to developmentally compromised somatic cells and arrest of newly hatched larvae...
An MLL/COMPASS subunit functions in the C. elegans dosage compensation complex to target X chromosomes for transcriptional regulation of gene expressionRebecca R Pferdehirt
Howard Hughes Medical Institute, University of California at Berkeley, Berkeley, California 94720, USA
Genes Dev 25:499-515. 2011..We also show that the DCC balances X-chromosome gene expression between sexes by controlling transcription...
The 21-nucleotide let-7 RNA regulates developmental timing in Caenorhabditis elegansB J Reinhart
Department of Molecular Biology, Massachusetts General Hospital, and Harvard Medical School, Boston 02114, USA
Nature 403:901-6. 2000..We propose that the sequential stage-specific expression of the lin-4 and let-7 regulatory RNAs triggers transitions in the complement of heterochronic regulatory proteins to coordinate developmental timing...
Coordination of opposing sex-specific and core muscle groups regulates male tail posture during Caenorhabditis elegans male mating behaviorAllyson J Whittaker
Division of Biology Howard Hughes Medical Institute, California Institute of Technology, Pasadena, CA 91125, USA
BMC Biol 7:33. 2009..We provide a better understanding of the molecular and neuro-muscular pathways that regulate male tail posture during mating...
A new DAF-16 isoform regulates longevityEun Soo Kwon
Program in Gene Function and Expression, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
Nature 466:498-502. 2010..Importantly, in mammals, four FOXO genes have overlapping and different functions, and in C. elegans, a single FOXO/DAF-16 uses distinct isoforms to fine-tune the IIS-mediated processes in the context of a whole organism...
Remarkable longevity and stress resistance of nematode PI3K-null mutantsSrinivas Ayyadevara
Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
Aging Cell 7:13-22. 2008....
Soluble guanylate cyclases act in neurons exposed to the body fluid to promote C. elegans aggregation behaviorBenny H H Cheung
The Medical Research Council Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, United Kingdom
Curr Biol 14:1105-11. 2004..elegans to aggregate. Instead, these molecules may transduce one of several pathways that induce C. elegans to aggregate or may modulate aggregation by responding to cues in C. elegans body fluid...
Diverse regulation of sensory signaling by C. elegans nPKC-epsilon/eta TTX-4Yoshifumi Okochi
Department of Molecular Biology, Division of Biological Science, Graduate School of Science, Nagoya University, Nagoya, Japan
EMBO J 24:2127-37. 2005..elegans nPKCs regulate different sensory signaling in various sensory neurons. Thus, C. elegans provides an ideal model to reveal genetically novel components of nPKC-mediated molecular pathways in sensory signaling...
Statins inhibit protein lipidation and induce the unfolded protein response in the non-sterol producing nematode Caenorhabditis elegansCatarina Mörck
Department of Cell and Molecular Biology, University of Gothenburg, Sweden
Proc Natl Acad Sci U S A 106:18285-90. 2009..2 substrates, resulting in developmental arrest in C. elegans. These results provide a mechanism for the pleiotropic effects of statins and suggest that statins could be used clinically where UPR activation may be of therapeutic benefit...
Phosphorylation of the conserved transcription factor ATF-7 by PMK-1 p38 MAPK regulates innate immunity in Caenorhabditis elegansRobert P Shivers
Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America
PLoS Genet 6:e1000892. 2010....
Differential localization and independent acquisition of the H3K9me2 and H3K9me3 chromatin modifications in the Caenorhabditis elegans adult germ lineJessica B Bessler
Department of Developmental Biology, Stanford University, Stanford, California, USA
PLoS Genet 6:e1000830. 2010..Further, these and other data support a model in which these two modifications function independently in adult C. elegans germ cells...
Two modes of mitochondrial dysfunction lead independently to lifespan extension in Caenorhabditis elegansWen Yang
Department of Biology, McGill University, Montreal, Quebec, Canada
Aging Cell 9:433-47. 2010..Our results demonstrate that distinct and separable aspects of mitochondrial biology affect lifespan independently...
The fork head transcription factor FKTF-1b from Strongyloides stercoralis restores DAF-16 developmental function to mutant Caenorhabditis elegansHolman C Massey
Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, 3800 Spruce Street, Philadelphia, PA 19104, USA
Int J Parasitol 36:347-52. 2006..This indicates that, unlike FKTF-1b, the S. stercoralis transcription factor FKTF-1a cannot trigger the shift to dauer-specific gene expression in C. elegans...
The C. elegans p38 MAPK pathway regulates nuclear localization of the transcription factor SKN-1 in oxidative stress responseHideki Inoue
Department of Molecular Biology, Graduate School of Science, Institute for Advanced Research, Nagoya University, Chikusa ku, Nagoya 464 8602, Japan
Genes Dev 19:2278-83. 2005..These results delineate the C. elegans p38 MAPK signaling pathway leading to the nucleus that responds to oxidative stress...
SAS-4 is recruited to a dynamic structure in newly forming centrioles that is stabilized by the gamma-tubulin-mediated addition of centriolar microtubulesAlexander Dammermann
Department of Cellular and Molecular Medicine, Ludwig Institute for Cancer Research, University of California, San Diego, La Jolla, CA 92093, USA
J Cell Biol 180:771-85. 2008..Such a mechanism may help restrict new centriole assembly to the vicinity of preexisting parent centrioles that recruit PCM...
Caenorhabditis elegans lifespan extension caused by treatment with an orally active ROS-generator is dependent on DAF-16 and SIR-2.1Tanja Heidler
Department of Food and Nutrition, Molecular Nutrition Unit, Technical University of Munich, Am Forum 5, Freising, Germany
Biogerontology 11:183-95. 2010..1-dependent alterations in gene expression after a ROS challenge lead to a lifespan extension in C. elegans as long as the stressor concentration does not exceed the saturable protective capacity...
Regulation of the cellular heat shock response in Caenorhabditis elegans by thermosensory neuronsVeena Prahlad
Department of Biochemistry, Molecular Biology, and Cell Biology, Rice Institute for Biomedical Research, Northwestern University, Evanston, IL 60208, USA
Science 320:811-4. 2008..We propose a model whereby this loss of cell autonomy serves to integrate behavioral, metabolic, and stress-related responses to establish an organismal response to environmental change...
The molecular basis of organ formation: insights from the C. elegans foregutSusan E Mango
Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, USA
Annu Rev Cell Dev Biol 25:597-628. 2009..After birth, the pharynx and/or pha-4 are involved in repelling pathogens and controlling aging...
MRG-1, an autosome-associated protein, silences X-linked genes and protects germline immortality in Caenorhabditis elegansTeruaki Takasaki
Department of Biology, Graduate School of Science and Technology, Kobe University, 1 1 Rokkodaicho, Nadaku, Kobe 657 8501, Japan
Development 134:757-67. 2007..We discuss how an autosome-enriched protein might repress genes on the X chromosome, promote PGC proliferation and survival, and influence the germ versus soma distinction...
The C. elegans thermosensory neuron AFD responds to warmingKoutarou D Kimura
Group of Molecular Neurobiology, Department of Molecular Biology, Graduate School of Science, Nagoya University, Japan
Curr Biol 14:1291-5. 2004..We suggest that C. elegans provides an ideal model to genetically and physiologically reveal the molecular mechanism for sensation and memory of temperature information...
The dyf-3 gene encodes a novel protein required for sensory cilium formation in Caenorhabditis elegansTakashi Murayama
Department of Biology, Faculty of Sciences, Kyushu University Graduate School, 6-10-1, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
J Mol Biol 346:677-87. 2005..Reduction of dyf-3Colon, two colonsgfp expression in a daf-19 mutant suggests that dyf-3 expression is regulated by DAF-19 transcription factor, and DYF-3 may be involved in the intraflagellar transport system...
SHC-1/p52Shc targets the insulin/IGF-1 and JNK signaling pathways to modulate life span and stress response in C. elegansElke Neumann-Haefelin
Bioinformatics and Molecular Genetics Faculty of Biology, Center for Biochemistry and Molecular Cell Research Faculty of Medicine, University of Freiburg, D 79104 Freiburg, Germany
Genes Dev 22:2721-35. 2008..elegans SHC-1 as a critical scaffold that directly cross-connects the two parallel JNK and IIS pathways and help to explain how these signaling cascades cooperate to ascertain normal stress response and life span in C. elegans...
Transcriptional control and patterning of the pho-1 gene, an essential acid phosphatase expressed in the C. elegans intestineTetsunari Fukushige
Department of Biochemistry and Molecular Biology, Genes and Development Research Group, University of Calgary Faculty of Medicine, Room 2205 Health Sciences Centre, 3330 Hospital Drive, N W, Calgary, Alberta, Canada T2N 4N1
Dev Biol 279:446-61. 2005..We suggest that pho-1 is required by the maternal intestine to assimilate some nutrient or cleavage product that is subsequently provided to the next generation of embryos...
C. elegans serine-threonine kinase KIN-29 modulates TGFbeta signaling and regulates body size formationLisa L Maduzia
Waksman Institute, Department of Molecular Biology and Biochemistry, and Cancer Institute of New Jersey, Rutgers University, Piscataway, NJ 08854 8020, USA
BMC Dev Biol 5:8. 2005..To identify additional factors that modulate TGFbeta signaling in the Sma/Mab pathway, we have undertaken a genetic screen for small animals and have identified kin-29...
Developmental timing in C. elegans is regulated by kin-20 and tim-1, homologs of core circadian clock genesDiya Banerjee
Department of Molecular, Cellular and Developmental Biology, Yale University, P O Box 208103, New Haven, Connecticut 06520, USA
Dev Cell 8:287-95. 2005..The molecular parallels between circadian and developmental timing pathways suggest the existence of a conserved molecular mechanism that may be used for different types of biological timing...
ceh-16/engrailed patterns the embryonic epidermis of Caenorhabditis elegansGiuseppe Cassata
ABI Molecular Neurogenetics, LMU Munich, 80336 Munich, Germany
Development 132:739-49. 2005....
mab-20 encodes Semaphorin-2a and is required to prevent ectopic cell contacts during epidermal morphogenesis in Caenorhabditis elegansP J Roy
Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada
Development 127:755-67. 2000..These phenotypic traits are explained by the formation of inappropriate contacts between cells of similar type and suggest that Ce-Sema-2a may normally prevent formation or stabilization of ectopic adhesive contacts between these cells...
Genetic redundancy in endoderm specification within the genus CaenorhabditisMorris F Maduro
Department of Molecular, Cellular and Developmental Biology and Neuroscience Research Institute, University of California, Santa Barbara, CA 93106, USA
Dev Biol 284:509-22. 2005..briggsae end genes also function redundantly to specify endoderm. We propose that duplicated end genes have been maintained over long periods of evolution, owing in part to their synergistic function...
Molecular characterization of HLH-17, a C. elegans bHLH protein required for normal larval developmentTracee L McMiller
Morgan State University, Department of Biology, Richard N Dixon Science Research Center, 1700 E Coldspring Lane, Baltimore, MD 21251, USA
Gene 356:1-10. 2005..We propose that hlh-17 affects the ability of C. elegans to respond to food cues, with possible downstream effects on insulin-signaling genes involved in the normal development and reproductive viability of the worm...
The C. elegans gene dig-1 encodes a giant member of the immunoglobulin superfamily that promotes fasciculation of neuronal processesChristopher T Burket
Worcester Polytechnic Institute, Department of Biology and Biotechnology, Worcester, MA 01609, USA
Dev Biol 299:193-205. 2006..Mutant phenotypes suggest that DIG-1 may mediate cell movement as well as process fasciculation and that different regions of the protein may mediate these functions...
NHR-40, a Caenorhabditis elegans supplementary nuclear receptor, regulates embryonic and early larval developmentEva Brozova
Laboratory of Molecular Biology and Genetics, Institute of Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University, Ke Karlovu 2, CZ 128 01 Prague 2, Czech Republic
Mech Dev 123:689-701. 2006..NHR-40 joins the list of C. elegans NHRs that regulate development and suggests that members of extensive nematode supnr family have acquired varied and novel functions during evolution...
An unusual Zn-finger/FH2 domain protein controls a left/right asymmetric neuronal fate decision in C. elegansRobert J Johnston
Howard Hughes Medical Institute, Department of Biochemistry and Molecular Biophysics, Columbia University Medical Center, 701 W 168th Street, New York, NY 10032, USA
Development 133:3317-28. 2006..These network motifs endow the system with properties that provide insights into how cells adopt their stable terminally differentiated states...
The Bro1-domain protein, EGO-2, promotes Notch signaling in Caenorhabditis elegansYing Liu
Department of Biology, Syracuse University, 108 College Place, Syracuse, NY 13244, USA
Genetics 176:2265-77. 2007..We document a complex phenotypic interaction between ego-2 and alx-1, consistent with their relationship being antagonistic with respect to some developmental processes and agonistic with respect to others...
The conserved oligomeric Golgi complex acts in organ morphogenesis via glycosylation of an ADAM protease in C. elegansYukihiko Kubota
RIKEN Center for Developmental Biology, Chuo Ku, Kobe 650 0047, Japan
Development 133:263-73. 2006..Furthermore, COGC-3 requires MIG-17 activity for its action in DTC migration. Our findings demonstrate that COG complex-dependent glycosylation of an ADAM protease plays a crucial role in determining organ shape...
The C. elegans RUNX transcription factor RNT-1/MAB-2 is required for asymmetrical cell division of the T blast cellHiroshi Kagoshima
Genome Biology Laboratory, National Institute of Genetics, Yata 1111, Mishima, Shizuoka 411 8540, Japan
Dev Biol 287:262-73. 2005..All our data suggest that RNT-1/MAB-2 functions with POP-1 to control the asymmetry of the T cell division...
Control of sex-specific apoptosis in C. elegans by the BarH homeodomain protein CEH-30 and the transcriptional repressor UNC-37/GrouchoErin Peden
Department of Molecular, Cellular and Developmental Biology University of Colorado, Boulder, Colorado 80309, USA
Genes Dev 21:3195-207. 2007....
Transcriptional control of cell-cycle quiescence during C. elegans developmentJoseph E Clayton
Department of Genetics, Dartmouth Medical School, Hanover, NH 03755, USA
Dev Biol 313:603-13. 2008..These transcriptional regulators represent potential molecular connections between development and the basic cell-cycle machinery...
The expression of the Alzheimer's amyloid precursor protein-like gene is regulated by developmental timing microRNAs and their targets in Caenorhabditis elegansRyusuke Niwa
Department of Molecular, Cellular and Developmental Biology, KBT 936, Yale University, PO Box 208103, 266 Whitney Avenue, New Haven, CT 06520, USA
Dev Biol 315:418-25. 2008..Moreover, the levels of the apl-1 transcription are modulated by the activity of let-7 family microRNAs. Our work places apl-1 in a developmental timing pathway and may provide new insights into the time-dependent progression of AD...
CDC-25.1 stability is regulated by distinct domains to restrict cell division during embryogenesis in C. elegansMichael Hebeisen
Department of Biology, McGill University, Montreal, Quebec, H3A 1B1, Canada
Development 135:1259-69. 2008..1 phosphatase during early embryogenesis to control its stability and turnover, in order to ensure the timely divisions of intestinal cells and coordinate them with the formation of the developing gut...
XNP-1/ATR-X acts with RB, HP1 and the NuRD complex during larval development in C. elegansCarlos Cardoso
INSERM U491, Faculté de médecine La Timone, 27, Bd Jean Moulin, 13385 Marseille Cedex 5, France
Dev Biol 278:49-59. 2005..This study thus demonstrates that in vivo XNP-1 acts in association with RB, HP1 and the NuRD complex during development...
Mutations that rescue the paralysis of Caenorhabditis elegans ric-8 (synembryn) mutants activate the G alpha(s) pathway and define a third major branch of the synaptic signaling networkMichael A Schade
Program in Molecular, Cell and Developmental Biology, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma 73104, USA
Genetics 169:631-49. 2005..Our results appear to link RIC-8 (synembryn) and a third major G alpha pathway, the G alpha(s) pathway, with the previously discovered G alpha(o) and G alpha(q) pathways of the synaptic signaling network...
Control of DAF-7 TGF-(alpha) expression and neuronal process development by a receptor tyrosine kinase KIN-8 in Caenorhabditis elegansM Koga
Department of Biology, Graduate School of Sciences, Kyushu University, Fukuoka, Japan
Development 126:5387-98. 1999..KIN-8 is required for the process development of ASI, and also involved in promotion of daf-7 expression through a physiological or developmental function...
The basic helix-loop-helix transcription factors LIN-32 and HLH-2 function together in multiple steps of a C. elegans neuronal sublineageD S Portman
Department of Molecular Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
Development 127:5415-26. 2000..During ray development, lin-32 performs roles of proneural, neuronal precursor, and differentiation genes of other systems...
gon-4, a cell lineage regulator required for gonadogenesis in Caenorhabditis elegansL Friedman
Department of Biochemistry, University of Wisconsin Madison, Madison, Wisconsin 53706, USA
Dev Biol 228:350-62. 2000..We conclude that gon-4 is a regulator of the early lineage of Z1 and Z4 and suggest that it is a part of a genetic program common to the regulation of both hermaphrodite and male gonadogenesis...
Isoform-specific mutations in the Caenorhabditis elegans heterochronic gene lin-14 affect stage-specific patterningB J Reinhart
Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
Genetics 157:199-209. 2001....
The C. elegans homolog of the murine cystic kidney disease gene Tg737 functions in a ciliogenic pathway and is disrupted in osm-5 mutant wormsC J Haycraft
Department of Cell Biology, University of Alabama at Birmingham Medical Center, Birmingham, AL 35294, USA
Development 128:1493-505. 2001..Overall, the data support a crucial role for osm-5 in a conserved ciliogenic pathway, most likely as a component of the IFT process. http://www.biologists.com/Development/movies/dev3342.html..
dpl-1 DP and efl-1 E2F act with lin-35 Rb to antagonize Ras signaling in C. elegans vulval developmentC J Ceol
Howard Hughes Medical Institute, Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Mol Cell 7:461-73. 2001..We propose that rather than being inhibited by lin-35 Rb, dpl-1 DP and efl-1 E2F act with lin-35 Rb in transcriptional repression to antagonize RTK/Ras signaling during vulval development...
EGL-38 Pax regulates the ovo-related gene lin-48 during Caenorhabditis elegans organ developmentA D Johnson
Department of Molecular Genetics, Ohio State University, Columbus, OH 43210, USA
Development 128:2857-65. 2001..These experiments demonstrate a functional link between Pax and Ovo transcription factors, and provide a model for how Pax transcription factors can regulate different target genes in different cells...
A post-docking role for active zone protein RimS P Koushika
Department of Anatomy and Neurobiology, Washington University School of Medicine, 660 S Euclid Avenue, Saint Louis, Missouri 63110, USA
Nat Neurosci 4:997-1005. 2001..These data suggest Rim acts after vesicle docking likely via regulating priming...
Specification of thermosensory neuron fate in C. elegans requires ttx-1, a homolog of otd/OtxJ S Satterlee
Department of Biology, Volen Center for Complex Systems, Brandeis University, 415 South Street, Waltham, MA 02454, USA
Neuron 31:943-56. 2001..elegans and the vertebrate photosensory circuit, suggesting an evolutionary link between thermosensation and phototransduction...
The C. elegans NeuroD homolog cnd-1 functions in multiple aspects of motor neuron fate specificationS Hallam
Department of Biology, Sinsheimer Laboratories, University of California, Santa Cruz, California 95064, USA
Development 127:4239-52. 2000..cnd-1 appears to have combined the functions of several vertebrate neurogenic bHLH proteins and may represent an ancestral form of this protein family...
ARK-1 inhibits EGFR signaling in C. elegansN A Hopper
MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
Mol Cell 6:65-75. 2000..We find that sem-5 also has a negative function in let-23-mediated ovulation and suggest that this negative function is mediated by the recruitment of inhibitors such as ARK-1...
Expression of ram-5 in the structural cell is required for sensory ray morphogenesis in Caenorhabditis elegans male tailR Y Yu
Department of Biology, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
EMBO J 19:3542-55. 2000..ram-5-dependent cell-cell communication is implicated in organizing the structural cell and the hypodermis, potentially through adhesion at the structural cell-hypodermal cell border...
lin-35 and lin-53, two genes that antagonize a C. elegans Ras pathway, encode proteins similar to Rb and its binding protein RbAp48X Lu
Howard Hughes Medical Institute, Department of Biology, Massachusetts Institute of Technology, Cambridge 02139, USA
Cell 95:981-91. 1998..We propose that LIN-35 and LIN-53 antagonize the Ras signaling pathway in C. elegans by repressing transcription in the vulval precursor cells of genes required for the expression of vulval cell fates...
The nuclear hormone receptor SEX-1 is an X-chromosome signal that determines nematode sexI Carmi
Howard Hughes Medical Institute and Department of Molecular and Cell Biology, University of California, Berkeley 94720 3204, USA
Nature 396:168-73. 1998..Thus, xol-1 is the direct molecular target of the primary sex-determination signal, and the dose of a nuclear hormone receptor helps to communicate X-chromosome number to determine nematode sex...
The C. elegans par-4 gene encodes a putative serine-threonine kinase required for establishing embryonic asymmetryJ L Watts
Section of Genetics and Development, Cornell University, Ithaca, New York 14853, USA
Development 127:1467-75. 2000..We find no asymmetry in the distribution of PAR-4 protein in C. elegans embryos. The distribution of PAR-4 protein in early embryos is unaffected by mutations in the other par genes...
Candidate adaptor protein CED-6 promotes the engulfment of apoptotic cells in C. elegansQ A Liu
Cold Spring Harbor Laboratory, New York 11724, USA
Cell 93:961-72. 1998..Our data suggest that CED-6 is an adaptor molecule acting in a signal transduction pathway that specifically mediates the recognition and engulfment of apoptotic cells...
sel-10, a negative regulator of lin-12 activity in Caenorhabditis elegans, encodes a member of the CDC4 family of proteinsE J Hubbard
Department of Biochemistry and Molecular Biophysics, Howard Hughes Medical Institute, New York, New York 10032, USA
Genes Dev 11:3182-93. 1997..We propose that SEL-10 promotes the ubiquitin-mediated turnover of LIN-12/Notch proteins, and discuss potential roles for the regulation of lin-12/Notch activity by sel-10 in cell fate decisions and tumorigenesis...
The Caenorhabditis elegans orphan nuclear hormone receptor gene nhr-2 functions in early embryonic developmentA E Sluder
Department of Cellular Biology, University of Georgia, Athens 30602, USA
Dev Biol 184:303-19. 1997..nhr-2 does not correspond to known mutations mapped to the same genetic interval, and will provide an entry point for further study of a heretofore uncharacterized zygotic gene regulatory pathway...
Research Grants
- Germline Silencing of Unpaired ChromatinEleanor M Maine; Fiscal Year: 2010..The project will investigate processes that are required for formation of functional sperm and eggs, and which may also help to reduce the susceptibility of offspring to particular diseases. ..
- Molecular Mechanisms of MIG-10 function in axon guidanceChristopher Quinn; Fiscal Year: 2005..Information from this project will be beneficial in understanding disorders of the nervous system as well as the molecular basis of cancer. ..
- Regulation of actin dynamics during myofibril assemblyShoichiro Ono; Fiscal Year: 2007....
- pH Regulation of Fat Storage in the Nematode IntestineKeith Nehrke; Fiscal Year: 2007..The strength of this proposal is that it will use a powerful model system and novel reagents for monitoring pH in living organisms to study fat biology from a unique perspective: that of acid-base homeostasis. ..
- Culture of differentiated C elegans embryonic cellsKevin Strange; Fiscal Year: 2002..The speed and economy with which this can be done in C. elegans cannot be duplicated in other metazoan animals. ..
- Molecular Basis of K+ Current During SecretionKeith Nehrke; Fiscal Year: 2002..Finally, we will look at compensatory changes that occur in the expression of functionally-related ion transport proteins in the transgenic strain. ..
- Regulation of actin dynamics during myofibril assemblyShoichiro Ono; Fiscal Year: 2006..abstract_text> ..
- Neuroprotection by a Nuclear Carbonic Anhydrase in C. elegansKEITH W NEHRKE; Fiscal Year: 2010..This application is focused on understanding the mechanism behind nuclear CAs protective effects in nematodes and translating these findings to mammals as a way of targeting cognitive impairment. ..
- Genetic analysis of C. elegans cellular ormoregulationKevin Strange; Fiscal Year: 2004..elegans will likely provide unique insights into osmoregulation, signaling mechanisms, and cellular stress and damage repair )rocesses in kidney cells as well as other mammalian cell types and tissues. ..
- Regulation of actin dynamics during myofibril assemblyShoichiro Ono; Fiscal Year: 2010....
- Na+/H+ exchange in the nematode intestineKeith Nehrke; Fiscal Year: 2004..This multidisciplinary approach will help to define the biological role of individual Na+/H+ exchangers in the nematode intestine. ..
- Regulation of Epidermal Junctions in C. elegansJEFFREY HARDIN; Fiscal Year: 2005..Moreover, this freely available, open-source suite will allow investigators and educators easy and inexpensive access to 4D analysis and acquisition capabilities using easily extensible, platform-independent Java technologies. ..
- Omega-6/Omega-3 Fatty Acid Ratio and TumorigenesisJing Kang; Fiscal Year: 2007..Information derived from these studies will increase our understanding of the importance of n-3 fatty acids as well as n-6/n-3 fatty acid ratio in cancer prevention and help guide dietary advice. ..
- Developmental function of Rb family proteinsDavid S Fay; Fiscal Year: 2010..The successful completion of these studies will greatly enhance our general understanding of Rb family functions and will provide detailed mechanistic knowledge of this novel role for Rb proteins in morphogenesis. ..
- Mechanisms of Junctional Actin Recruitment in C. elegansJEFFREY HARDIN; Fiscal Year: 2009..By studying how this protein works in living embryos, we will gain important information that can be used to understand and treat human disease. ..
- Developmental function of Rb family proteinsDAVID FAY; Fiscal Year: 2009..The successful completion of these studies will greatly enhance our general understanding of Rb family functions and will provide detailed mechanistic knowledge of this novel role for Rb proteins in morphogenesis. ..
- The Molecular Basis of Serpin Function and DisfunctionPatrick L Wintrode; Fiscal Year: 2010..Polymerization of alpha-1 antitrypsin is the underlying cause of these symptoms. Determining the structure of the polymerization prone intermediate is an important step in developing therapeutic agents. ..
- Mechanisms of Junctional Actin Recruitment in C. elegansJEFFREY D HARDIN; Fiscal Year: 2010..By studying how this protein works in living embryos, we will gain important information that can be used to understand and treat human disease. ..
- Omega-6/Omega-3 Fatty Acid Ratio and TumorigenesisJing Kang; Fiscal Year: 2009..Information derived from these studies will increase our understanding of the importance of n-3 fatty acids as well as n-6/n-3 fatty acid ratio in cancer prevention and help guide dietary advice. ..
- Systematic Analysis of C elegans Longevity DeterminantsSIU LEE; Fiscal Year: 2007....
- Regulation of Epidermal Junctions in C. elegansJEFFREY HARDIN; Fiscal Year: 2007..Because these studies will be carried out in a living organism, we will gain fundamental new insights into how these key junctional complexes regulate a fundamental morphogenetic event. ..
- Investigate the Transcriptional Co-factors of DAF-16/FOXO in C. elegansSiu Sylvia Lee; Fiscal Year: 2010....
- Developmental Functions of Rb family proteinsDavid S Fay; Fiscal Year: 2011..This will lead to a better understanding of the anti-cancer activities carried out by pRb in humans and may suggest new approaches for anti-cancer therapies. ..
- RETINOIDS, M6P/IGF II RECEPTOR & CELL GROWTH REGULATIONJing Kang; Fiscal Year: 2002..This knowledge may lead to novel or more effective therapeutic and preventive approaches for cancer and developmental defects. ..
- CONTROL OF EPITHELIAL SHEET MOVEMENT IN C ELEGANSJEFFREY HARDIN; Fiscal Year: 2003..As a result of these studies, we expect to gain a greater understanding of how specific lesions in identified molecules give rise to specific cellular defects during epithelial morphogenesis. ..
- Dopamine, Tryosine, and their Metabolites in Aging in Neurodegenerative DiseaseAlfred Fisher; Fiscal Year: 2007....
- Gene networks specifying cell lineages in a polychaeteBruce Bowerman; Fiscal Year: 2007..Newly discovered and conserved loci will also be studied in C. elegans and Drosophila. ..
- POSTGRADUATE TRAINING PROGRAM IN GENETICSBarbara Meyer; Fiscal Year: 2007....
- Dual specificity phosphatases and MAP kinase signalingNicholas Tonks; Fiscal Year: 2007....
- ANALYSIS OF NEMATODE SEX DETERMINATIONBarbara Meyer; Fiscal Year: 2007..The link between chromosome segregation and gene expression has further implications for human disease. ..
- Retinal Cell Biology of Usher 1 ProteinsDavid Williams; Fiscal Year: 2007..These studies will provide new information on the retinal function of myosin VIIa, and help elucidate the basis of retinal disease in USH1B. ..
- Ler-Mediated Regulation of EPEC Virulence GenesJAY MELLIES; Fiscal Year: 2004....
- Kinesin in photoreceptors cellsDavid Williams; Fiscal Year: 2009..The results of these studies will lead to a better understanding of critical cellular processes in the photoreceptor cilium, and thus provide important new insight into a major group of inherited retinal degenerations. ..
- PROTEIN TYROSINE DEPHOSPHORYLATION & SIGNAL TRANSDUCTIONNicholas K Tonks; Fiscal Year: 2010....
- Identification of Novel Components of the Dystrophin Complex Using C. ElegansHongkyun Kim; Fiscal Year: 2010..We will also identify and study the functional mammalian homologues. These findings will improve our understanding of the pathogenesis mechanism of muscular dystrophy in humans and may help to devise new therapeutic strategies. ..
- Receptor PTPs, Cell Contact & Signal TransductionNicholas K Tonks; Fiscal Year: 2010..The characterization of the regulatory role of reversible PTP oxidation may also suggest new therapeutic strategies for inhibition of the PTPs. ..
- KINESIN IN PHOTORECEPTOR CELLSDavid Williams; Fiscal Year: 2004..Photoreceptor degeneration, which is caused by mutations in a variety of different genes (many yet to be identified), is a major cause of human blindness. ..
- Dual specificity phosphatases and MAP kinase signalingNicholas Tonks; Fiscal Year: 2009....
- ANALYSIS OF NEMATODE SEX DETERMINATIONBarbara J Meyer; Fiscal Year: 2011..Our protein complexes give us insight into the mechanisms underlying the genome rearrangements associated with such a cancerous state. ..
- Kinesin in photoreceptors cellsDavid S Williams; Fiscal Year: 2010..The results of these studies will lead to a better understanding of critical cellular processes in the photoreceptor cilium, and thus provide important new insight into a major group of inherited retinal degenerations. ..
- RPE Cell Biology of Myosin VIIaDavid S Williams; Fiscal Year: 2010..These studies should greatly enhance our understanding of the function of MYO7A, and the underlying cellular basis of retinal defects which are associated with Usher 1B. ..
- RPE Cell Biology of Myosin VIIaDavid Williams; Fiscal Year: 2009..These studies should greatly enhance our understanding of the function of MYO7A, and the underlying cellular basis of retinal defects which are associated with Usher 1B. ..
