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Gene Expression Patterns: GEP

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https://read.qxmd.com/read/30851426/spatiotemporal-expression-pattern-of-sjfz7-and-its-expression-comparison-with-other-frizzled-family-genes-in-developmental-stages-of-schistosoma-japonicum
#1
Zhongxue Ye, Jingxiu Xu, Xingang Feng, Yingying Jia, Zhiqiang Fu, Yang Hong, Hao Li, Ke Lu, Jiaojiao Lin, Mingxin Song, Liqun Wang, Chunxiu Yuan
Wnts are secreted signaling molecules that are implicated in a variety of growth-related processes. Frizzled proteins have been identified as receptors for Wnt ligands in vertebrates and invertebrates, but a functional role for dioecious flatworm Frizzleds has not been determined. To evaluate the endogenous role of Frizzled proteins during development, we have identified and characterized a Schistosoma japonicum frizzled gene (Sjfz7). We found that Sjfz7 encodes a 698 amino acid protein with typical characteristics of Frizzled proteins...
March 6, 2019: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30844509/evolution-of-the-rho-guanine-nucleotide-exchange-factors-kalirin-and-trio-and-their-gene-expression-in-xenopus-development
#2
Marie-Claire Kratzer, Laura England, David Apel, Monika Hassel, Annette Borchers
Guanine nucleotide exchange factors (GEFs) activate Rho GTPases by accelerating their GDP/GTP exchange. Trio and its paralog Kalirin (Kalrn) are unique members of the Rho-GEFs that harbor three catalytic domains: two functional GEF domains and a serine/threonine kinase domain. The N-terminal GEF domain activates Rac1 and RhoG GTPases, while the C-terminal GEF domain acts specifically on RhoA. Trio and Kalrn have an evolutionary conserved function in morphogenetic processes including neuronal development. De novo mutations in TRIO have lately been identified in patients with intellectual disability, suggesting that this protein family plays an important role in development and disease...
March 4, 2019: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30831265/gtp-binding-protein-10-is-a-member-of-the-obg-family-of-proteins-and-is-differentially-expressed-in-the-early-xenopus-embryo
#3
Razhan Jerry, Jessica Sullivan-Brown, Michael D Yoder
No abstract text is available yet for this article.
March 1, 2019: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30825522/expression-of-the-heparin-binding-growth-factors-midkine-and-pleiotrophin-during-ocular-development
#4
Ruda Cui, Peter Lwigale
Midkine (MDK) and Pleiotrophin (PTN) belong to a group of heparin-binding growth factors that has been shown to have pleiotropic functions in various biological processes during development and disease. Development of the vertebrate eye is a multistep process that involves coordinated interactions between neuronal and non-neuronal cells, but very little is known about the potential function of MDK and PTN in these processes. In this study, we demonstrate by section in situ hybridization, the spatiotemporal expression of MDK and PTN during ocular development in chick and mouse...
February 27, 2019: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30822518/an-in-situ-hybridization-study-of-mmp-2-9-13-14-timp-1-and-2-mrna-in-fetal-mouse-mandibular-condylar-cartilage-as-compared-with-limb-bud-cartilage
#5
Masato Takahashi, Kaoru Fujikawa, Randilini Angammana, Shunichi Shibata
The main purpose of this in situ hybridization study was to investigate MMPs and TIMPs mRNA expression in developing mandibular condylar cartilage and limb bud cartilage. At E14.0, MMP-2, -14, TIMP-1 and -2 mRNAs were expressed in the periosteum of mandibular bone, and in the condylar anlage. At E15.0 MMP-2, -14, TIMP-1 and -2 mRNAs were expressed in the perichondrium of newly formed condylar cartilage and the periosteum of developing bone collar, whereas, expression of MMP-14 and TIMP-1 mRNAs were restricted to the inner layer of the periosteum/perichondrium...
February 26, 2019: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30677493/regionalized-nervous-system-in-hydra-and-the-mechanism-of-its-development
#6
Yukihiko Noro, Seungshic Yum, Chiemi Nishimiya-Fujisawa, Christina Busse, Hiroshi Shimizu, Katsuhiko Mineta, Xiaoming Zhang, Thomas W Holstein, Charles N David, Takashi Gojobori, Toshitaka Fujisawa
The last common ancestor of Bilateria and Cnidaria is considered to develop a nervous system over 500 million years ago. Despite the long course of evolution, many of the neuron-related genes, which are active in Bilateria, are also found in the cnidarian Hydra. Thus, Hydra is a good model to study the putative primitive nervous system in the last common ancestor that had the great potential to evolve to a more advanced one. Regionalization of the nervous system is one of the advanced features of bilaterian nervous system...
January 21, 2019: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30634066/expression-of-rna-binding-protein-rbfox1l-demarcates-a-restricted-population-of-dorsal-telencephalic-neurons-within-the-adult-zebrafish-brain
#7
Fengjun Ma, Zhiqiang Dong, Michael A Berberoglu
Rbfox RNA-binding proteins are expressed in the adult mammalian brain and are required for proper brain development and function. Studies in mice and humans have implicated Rbfox1/RBFOX1 in autism, neuronal excitation and epilepsy, and Rbfox2/RBFOX2 in cerebellar development. The zebrafish has emerged as a prominent model system for brain study, possessing neuroanatomical conservation with mammals and an extensive capacity for adult neurogenesis and plasticity. In this study, we characterize Rbfox1l and Rbfox2 expression in the adult zebrafish brain...
January 8, 2019: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30630105/expression-of-teneurin-m-odd-oz-during-segmentation-in-the-beetle-tribolium-castaneum
#8
Sil Jin, Jiyun O, Frank Stellabotte, Susan J Brown, Chong Pyo Choe
The pair-rule gene teneurin-m/odd Oz (ten-m/odz) is required for the patterning of alternate segment boundaries in the early Drosophila embryo. Mutant phenotypes of ten-m/odz display a typical pair-rule phenotype in which odd-numbered segments are eliminated. Consistent with its pair-rule function, Ten-m/Odz protein is expressed in a seven-stripe pattern before the onset of gastrulation. While expression of ten-m/odz orthologs have been characterized in several vertebrate species, their expression patterns in non-Drosophila arthropods during embryonic segmentation have yet to be reported...
January 7, 2019: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30590135/expressional-and-functional-analyses-of-epididymal-spinks-in-mice
#9
Juri Jeong, Boyeon Lee, Jihye Kim, Jaehwan Kim, Seong Hyeon Hong, Donghyun Kim, Seungho Choi, Byung-Nam Cho, Chunghee Cho
Epididymal maturation is critical for acquisition of motility and fertilizing capacity by sperm. During epididymal transit, the surface of sperm undergoes prominent sequential changes through interactions with secreted proteins, including protease inhibitors. In the present study, we characterized three epididymis-specific SPINKs (serine protease inhibitors, Kazal-type): SPINK8, SPINK11, and SPINK12. We found that these epididymal SPINKs are expressed in an epididymal region-specific manner and their expression is developmentally regulated...
December 24, 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30468770/developmental-expression-patterns-of-protein-kinase-a-catalytic-subunits-in-zebrafish
#10
Sarah E Emerson, Benjamin K Grebber, Morgan E McNellis, Ambrose R Orr, Paula B Deming, Alicia M Ebert
Protein kinase A (PKA), also known as cAMP dependent protein kinase, is an essential component of many signaling pathways, many of which regulate key developmental processes. Inactive PKA is a tetrameric holoenzyme, comprised of two catalytic (PRKAC), and two regulatory subunits. Upon cAMP binding, the catalytic subunits are released and thereby activated. There are multiple isoforms of PKA catalytic subunits, but their individual roles are not well understood. In order to begin studying their roles in zebrafish development, it is first necessary to identify the spatial and temporal expression profiles for each prkac subunit...
November 20, 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30408599/analysis-of-brassica-napus-dehydrins-and-their-co-expression-regulatory-networks-in-relation-to-cold-stress
#11
Khazar Edrisi Maryan, Habibollah Samizadeh Lahiji, Naser Farrokhi, Hassan Hasani Komeleh
Dehydrins (DHNs) are plant specific cold and drought stress-responsive proteins that belong to late embryogenesis abundant (LEA) protein families. B. napus DHNs (BnDHNs) were computationally analyzed to establish gene regulatory- and protein-protein interaction networks. Promoter analyses suggested functionality of phytohormones in BnDHNs gene network. The relative expressions of some BnDHNs were analyzed using qRT-PCR in seedling leaves of both cold-tolerant (Zarfam) and -sensitive (Sari Gul) canola treated/untreated by cold...
November 5, 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30404043/a-tissue-specific-enhancer-of-the-c-elegans-nhr-67-tailless-gene-drives-coordinated-expression-in-uterine-stem-cells-and-the-differentiated-anchor-cell
#12
Shari Bodofsky, Katarina Liberatore, Lauren Pioppo, Dominic Lapadula, Lily Thompson, Susanna Birnbaum, George McClung, Akshara Kartik, Sheila Clever, Bruce Wightman
The nhr-67 nuclear receptor gene of Caenorhabditis elegans encodes the ortholog of the Drosophila tailless and vertebrate Tlx genes. In C. elegans, nhr-67 plays multiple roles in the development of the uterus during L2 and L3 larval stages. Four pre-VU cells are born in the L2 stage and form the precursor complement for the ventral surface of the mature uterus. One of the four pre-VU cells becomes the anchor cell (AC), which exits the cell cycle and differentiates, while the remaining three VU cells serve as stem cells that populate the ventral uterus...
November 4, 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30326274/expression-of-trpv-channels-during-xenopus-laevis-embryogenesis
#13
Chen Dong, Sudip Paudel, Nana Yaa Amoh, Margaret S Saha
Transient receptor potential (TRP) cation channel genes code for an extensive family of conserved proteins responsible for a variety of physiological processes, including sensory perception, ion homeostasis, and chemical signal transduction. The TRP superfamily consists of seven subgroups, one of which is the transient receptor potential vanilloid (trpv) channel family. While trpv channels are relatively well studied in adult vertebrate organisms given their role in functions such as nociception, thermoregulation, and osmotic regulation in mature tissues and organ systems, relatively little is known regarding their function during embryonic development...
October 13, 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30179675/class-i-histone-deacetylases-in-retinal-progenitors-and-differentiating-ganglion-cells
#14
Ankita Saha, Sarika Tiwari, Subramanian Dharmarajan, Deborah C Otteson, Teri L Belecky-Adams
BACKGROUND: The acetylation state of histones has been used as an indicator of the developmental state of progenitor and differentiating cells. The goal of this study was to determine the nuclear localization patterns of Class I histone deacetylases (HDACs) in retinal progenitor cells (RPCs) and retinal ganglion cells (RGCs), as the first step in understanding their potential importance in cell fate determination within the murine retina. RESULTS: The only HDAC to label RPC nuclei at E16 and P5 was HDAC1...
September 1, 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30018004/the-expression-of-natriuretic-peptide-receptors-in-developing-zebrafish-embryos
#15
Jie Gong, Linlin Chai, Guangmin Xu, You Ni, Dong Liu
There are three isoforms of natriuretic peptide (NP) specific cell surface receptor: NP receptor-A (NPRA), receptor-B (NPRB), and receptor-C (NPRC). They are also known as NPR1, NPR2 and NPR3, respectively. NPs and their receptors were revealed to involve in diverse cellular and physiological processes including renal, cardiovascular, neuronal, and immunological aspects. However, the systematic analysis of the expression of these receptors in non-mammalian vertebrates is thus far lacking. In this study, two versions of the npr1 gene (npr1a and npr1b) in zebrafish was identified...
September 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/30009987/developmental-expression-of-the-zebrafish-arf-like-small-gtpase-paralogs-arl13a-and-arl13b
#16
Ping Song, Brian D Perkins
Members of the Arf-like (Arl) family of small GTP-binding proteins regulate a number of cellular functions and play important roles in cilia structure and signaling. The small GTPase Arl13a is a close paralog to Arl13b, a small GTPase required for normal cilia formation that causes Joubert Syndrome when mutated. As mutation of arl13b causes a slow retinal degeneration in zebrafish (Song et al., 2016), we hypothesized that expression of arl13a may provide functional redundancy. We determined the expression domains of arl13a and arl13b during zebrafish development and examined subcellular localization by expression of fluorescence fusion proteins...
September 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/29935379/adamts9-a-member-of-the-adamts-family-in-xenopus-development
#17
Ines Desanlis, Hannah L Felstead, Dylan R Edwards, Grant N Wheeler
Extracellular matrix (ECM) remodeling by metalloproteinases is crucial during development. The ADAMTS (A Disintegrin and Metalloproteinase with Thrombospondin type I motifs) enzymes are secreted, multi-domain matrix-associated zinc metalloendopeptidases that have diverse roles in tissue morphogenesis and patho-physiological remodeling. The human family includes 19 members. In this study we identified the 19 members of the ADAMTS family in Xenopus laevis and Xenopus tropicalis. Gene identification and a phylogenetic study revealed strong conservation of the ADAMTS family and contributed to a better annotation of the Xenopus genomes...
September 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/29793047/transcript-profiling-of-salt-tolerant-tobacco-mutants-generated-via-mutation-breeding
#18
Özge Çelik, Aybüke Ekşioğlu, Enes Yağız Akdaş
The main aim of the study is to identify the genes differentially, predominantly or specifically expressed in salt tolerant tobacco mutants, improved from Akhisar 97 and İzmir Özbaş varieties via mutation breeding, with respect to unstressed control plants. Seven tobacco mutants which have different salt tolerance capacities were evaluated by Gene Fishing analysis. Under stress conditions differentially expressed 100 reproducible bands were identified (74 of up-regulated and 20 of down-regulated while 6 were unknown)...
September 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/29738878/identification-and-expression-of-carbonic-anhydrase-2-myosin-regulatory-light-chain-2-and-selenium-binding-protein-1-in-zebrafish-danio-rerio-implication-for-age-related-biomarkers
#19
Shuoqi Feng, Su Wang, Yashuo Wang, Qingyun Yang, Dejing Wang, Hongyan Li
Proteomic study has determined age-related changes in synthesis of carbonic anhydrase 2, myosin regulatory light chain 2 and selenium-binding protein 1 in muscle of post-menopausal women. However, little information is available regarding the expression and role of these proteins in early development and life span. In this study we showed that zebrafish ca2, myl2a, myl2b and selenbp1 were highly identical to their mammalian counterparts in primary and tertiary structures as well as genomic organization and syntenic map...
September 2018: Gene Expression Patterns: GEP
https://read.qxmd.com/read/29660410/the-spatial-and-developmental-expression-of-mouse-vwa8-von-willebrand-domain-containing-protein-8
#20
Brian S Grewe, Janet E Richmond, David E Featherstone
The Drosophila gene c12.2 was isolated in a screen examining mRNA binding proteins. Drosophila c12.2 is the mouse Vwa8 homolog. Various genome-wide associated studies have linked human Vwa8 to both neurological and oncological pathologies, which include autism, bipolar disorder, comorbid migraine, and acute myeloid leukemia, however, the function and role of the VWA8 protein remain poorly understood. To further analyze the Vwa8 gene in mouse, gene structure, protein homology modeling, and gene expression patterns were examined throughout mouse development...
September 2018: Gene Expression Patterns: GEP
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