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https://www.readbyqxmd.com/read/29150963/detection-and-quantification-of-two-parasitic-ciliates-boveria-labialis-and-boveria-subcylindrica-ciliophora-scuticociliatia-by-fluorescence-in-situ-hybridization
#1
Zifeng Zhan, Ju Li, Kuidong Xu
The thigmotrich scuticociliates Boveria labialis and Boveria subcylindrica are obligate parasites that may cause high mortality in cultured sea cucumbers and bivalves. Morphological methods can identify these organisms in active state, but are unable to discern them in resting stages. In aquaculture practice, these parasitic ciliates are hard to eradicate when massive infection occurs in sea cucumbers. Thus, early detection and precaution are crucial for the control of these pathogens. Under such circumstances, fluorescence in situ hybridization (FISH) will serve as a fast way to detect and monitor the occurrence of these parasites...
November 18, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/29148109/notch-signaling-controls-transdifferentiation-of-pulmonary-neuroendocrine-cells-in-response-to-lung-injury
#2
Erica Yao, Chuwen Lin, Qingzhe Wu, Kuan Zhang, Hai Song, Pao-Tien Chuang
Production of an appropriate number of distinct cell types in precise locations during embryonic development is critical for proper tissue function. Homeostatic renewal or repair of damaged tissues in adults also requires cell expansion and transdifferentiation to replenish lost cells. However, the responses of diverse cell types to tissue injury are not fully elucidated. Moreover, the molecular mechanisms underlying transdifferentiation remain poorly understood. This knowledge is essential for harnessing the regenerative potential of individual cell types...
November 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/29145706/expression-of-oestrogen-receptors-gper-esr1-esr2-in-human-ductuli-efferentes-and-proximal-epididymis
#3
V Rago, F Romeo, F Giordano, R Malivindi, V Pezzi, I Casaburi, A Carpino
Oestrogen targeting in the human genital ducts is still not well-known. In fact, to date, the localization of oestrogen receptors, ESR1 and ESR2, is controversial and the presence of the membrane oestrogen receptor GPER (G protein-coupled oestrogen receptor) is unexplored. This study has investigated the expression of GPER, ESR1, ESR2 in human ductuli efferentes and proximal caput epididymis by immunohistochemistry and Western blot analysis. Furthermore, the presence of PELP1 (proline-glutamic acid-leucine-rich protein 1), a co-regulator of the oestrogen receptors, was also evaluated...
November 16, 2017: Andrology
https://www.readbyqxmd.com/read/29141582/a-novel-interaction-between-kinase-activities-in-regulation-of-cilia-formation
#4
Nicole DeVaul, Katerina Koloustroubis, Rong Wang, Ann O Sperry
BACKGROUND: The primary cilium is an extension of the cell membrane that encloses a microtubule-based axoneme. Primary cilia are essential for transmission of environmental cues that determine cell fate. Disruption of primary cilia function is the molecular basis of numerous developmental disorders. Despite their biological importance, the mechanisms governing their assembly and disassembly are just beginning to be understood. Cilia growth and disassembly are essential events when cells exit and reenter into the cell cycle...
November 15, 2017: BMC Cell Biology
https://www.readbyqxmd.com/read/29139231/corrigendum-to-two-gonostomatid-ciliates-from-the-soil-of-lombardia-italy-including-note-on-the-soil-mapping-project-by-bharti-et%C3%A2-al
#5
Daizy Bharti, Santosh Kumar, Antonietta La Terza
No abstract text is available yet for this article.
November 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/29139230/corrigendum-to-two-new-brackish-ciliates-amphileptus-spiculatus-sp-n-and-a-bellus-sp-n-from-mangrove-wetlands-in-southern-china-with-notes-on-the-molecular-phylogeny-of-the-family-amphileptidae-protozoa-ciliophora-pleurostomatida-by-wu-et%C3%A2-al
#6
https://www.readbyqxmd.com/read/29139227/corrigendum-to-molecular-phylogeny-and-ontogeny-of-a-new-ciliate-genus-paracladotricha-salina-n-g-n-sp-ciliophora-hypotrichia-by-shao-et%C3%A2-al-2014
#7
Chen Shao, Liqiong Li, Qianqian Zhang, Weibo Song, Helmut Berger
No abstract text is available yet for this article.
November 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/29134943/phylogenomic-analysis-of-balantidium-ctenopharyngodoni-ciliophora-litostomatea-based-on-single-cell-transcriptome-sequencing
#8
Zongyi Sun, Chuanqi Jiang, Jinmei Feng, Wentao Yang, Ming Li, Wei Miao
In this paper, we present transcriptome data for Balantidium ctenopharyngodoni Chen, 1955 collected from the hindgut of grass carp (Ctenopharyngodon idella). We evaluated sequence quality and de novo assembled a preliminary transcriptome, including 43.3 megabits and 119,141 transcripts. Then we obtained a final transcriptome, including 17.7 megabits and 35,560 transcripts, by removing contaminative and redundant sequences. Phylogenomic analysis based on a supermatrix with 132 genes comprising 53,873 amino acid residues and phylogenetic analysis based on SSU rDNA of 27 species were carried out herein to reveal the evolutionary relationships among six ciliate groups: Colpodea, Oligohymenophorea, Litostomatea, Spirotrichea, Heterotrichea and Protocruziida...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29132433/impaired-ciliogenesis-in-differentiating-human-bronchial-epithelia-exposed-to-non-cytotoxic-doses-of-multi-walled-carbon-nanotubes
#9
Ryan J Snyder, Salik Hussain, Charles J Tucker, Scott H Randell, Stavros Garantziotis
BACKGROUND: Multi-walled carbon nanotubes (MWCNTs) are engineered nanomaterials used for a variety of industrial and consumer products. Their high tensile strength, hydrophobicity, and semi-conductive properties have enabled many novel applications, increasing the possibility of accidental nanotube inhalation by either consumers or factory workers. While MWCNT inhalation has been previously shown to cause inflammation and pulmonary fibrosis at high doses, the susceptibility of differentiating bronchial epithelia to MWCNT exposure remains unexplored...
November 13, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/29131467/central-mucoepidermoid-carcinoma-arising-from-glandular-odontogenic-cyst-confirmed-by-analysis-of-maml2-rearrangement-a-case-report
#10
Atsuhiro Nagasaki, Ikuko Ogawa, Yukiko Sato, Kengo Takeuchi, Masae Kitagawa, Toshinori Ando, Shinnichi Sakamoto, Madhu Shrestha, Kaori Uchisako, Koichi Koizumi, Shigeaki Toratani, Masaru Konishi, Takashi Takata
Central mucoepidermoid carcinoma (MEC) poses a diagnostic challenge because of its rarity and histological overlap with glandular odontogenic cyst (GOC). In MEC of both salivary glands and jaws, MAML2 arrangement has been well known as the specific gene alteration. We report a case of central MEC arising from GOC diagnosed by MAML2 fusion gene. A 57-year-old male presented a multilocular cystic lesion in left molar region of the mandible. Histopathologically, multiple cysts lined by thin cuboidal or non-keratinized squamous epithelium with small duct-like structures, mucous cells and ciliated cells were present...
November 13, 2017: Pathology International
https://www.readbyqxmd.com/read/29129801/activating-prostaglandin-e2-receptor-subtype-ep4-increases-secreted-mucin-from-airway-goblet-cells
#11
Tomohiro Akaba, Kosaku Komiya, Isao Suzaki, Yuji Kozaki, Jun Tamaoki, Bruce K Rubin
Prostaglandin E2 (PGE2) is a ligand of the E-type prostanoid receptors, EP1-4. PGE2 secretion is increased in the airways of patients with asthma by secretory phospholipases A2, which also increases MUC5AC mucin in goblet cells. We hypothesized that PGE2 would also increase MUC5AC mRNA and secreted protein through specific EP receptor activation. We sought to assess the effect of specific EP receptor activation on MUC5AC secretion from ciliated-enriched cells or goblet-enriched cells induced by IL-13. We develop an enriched goblet cell epithelium by growing normal human bronchial epithelial cells at air liquid interface for 14 days in the presence of IL-13...
November 9, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29128562/ciliates-as-restoration-indicators-in-peatbogs-10-years-of-study
#12
Tomasz Mieczan, Małgorzata Adamczuk, Magdalena Pogorzelec
There is almost no information on how restoration of Sphagnum-dominated peatbogs, and in particular removal of reeds, affects the functioning of ciliate communities. Changes in vegetation patterns caused by restoration procedures may take years to be observed, while microbial processes already display effects after short-term exposure to changes in environmental conditions due to restoration. Based on the results of a long-term study, we assumed that mowing down of reeds causes changes in the physicochemical properties of peatbog water and sought to answer the question of how ciliate communities react to these changes and whether these microorganisms can play a significant role as bioindicators in evaluating the restoration process...
October 20, 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/29127365/the-primary-cilium-is-necessary-for-the-differentiation-and-the-maintenance-of-human-adipose-progenitors-into-myofibroblasts
#13
N Arrighi, K Lypovetska, C Moratal, S Giorgetti-Peraldi, C A Dechesne, C Dani, P Peraldi
The primary cilium is an organelle, present at the cell surface, with various biological functions. We, and others, have shown that it plays a role in the differentiation of adipose progenitors (APs) into adipocytes. APs can also differentiate into myofibroblasts when treated with TGF-β1. Several components of the TGF-β1 pathway are located within the cilium suggesting a function for this organelle in AP myofibrogenesis. We studied differentiation of APs into myofibroblasts in two human models: APs of the adipose tissue (aAPs) and APs resident in the skeletal muscles (mAPs)...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29126315/packaging-of-mycobacterium-smegmatis-bacteria-into-fecal-pellets-by-the-ciliate-tetrahymena-pyriformis
#14
Alix M Denoncourt, Valérie E Paquet, Steve J Charette
Mycobacteria are widespread microorganisms that live in various environments, including man-made water systems where they cohabit with protozoa. Environmental mycobacterial species give rise to many opportunistic human infections and can infect phagocytic protozoa. Protozoa such as amoebae and ciliates feeding on bacteria can sometimes get rid of non-digestible or pathogenic material by packaging it into secreted fecal pellets. Usually, packaged bacteria are still viable and are protected against chemical and physical stresses...
November 6, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29126234/bardet-biedl-syndrome-8-bbs8-protein-is-crucial-for-the-development-of-outer-segments-in-photoreceptor-neurons
#15
Tanya L Dilan, Ratnesh K Singh, Thamaraiselvi Saravanan, Abigail Moye, Andrew F X Goldberg, Peter Stoilov, Visvanathan Ramamurthy
Bardet-Biedl syndrome (BBS) is an autosomal recessive ciliopathy characterized by developmental abnormalities and vision loss. To date, mutations in 21 genes have been linked to BBS. The products of eight of these BBS genes form a stable octameric complex termed the BBSome. Mutations in BBS8, a component of the BBSome, cause early vision loss, but the role of BBS8 in supporting vision is not known. To understand the mechanisms by which BBS8 supports rod and cone photoreceptor function, we generated animal models lacking BBS8...
November 8, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29125937/novel-specificity-of-ido-enzyme-involved-in-the-biosynthesis-of-mating-pheromone-in-the-ciliate-blepharisma-stoltei
#16
Mayumi Sugiura, Hajime J Yuasa, Terue Harumoto
Mating pheromones (gamone 1 and gamone 2) in the ciliate Blepharisma are biologically active substances that trigger sexual reproduction (conjugation) under starvation conditions. Gamone 1 is a glycoprotein secreted by type I cells, and gamone 2 is a tryptophan (Trp)-derivative compound secreted by type II cells. Both gamones stimulate complementary mating type cells to promote each gamone production and induce pair formation. To elucidate the biosynthetic pathway of gamone 2, we investigated the enzymes involved in the pathway and the specificity of the enzymes...
September 18, 2017: Protist
https://www.readbyqxmd.com/read/29124890/new-perspectives-on-telomerase-rna-structure-and-function
#17
REVIEW
Cherie Musgrove, Linnea I Jansson, Michael D Stone
Telomerase is an ancient ribonucleoprotein (RNP) that protects the ends of linear chromosomes from the loss of critical coding sequences through repetitive addition of short DNA sequences. These repeats comprise the telomere, which together with many accessory proteins, protect chromosomal ends from degradation and unwanted DNA repair. Telomerase is a unique reverse transcriptase (RT) that carries its own RNA to use as a template for repeat addition. Over decades of research, it has become clear that there are many diverse, crucial functions played by telomerase RNA beyond simply acting as a template...
November 9, 2017: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/29124812/dartintinnus-alderae-n-g-n-sp-a-brackish-water-tintinnid-ciliophora-spirotrichea-with-dual-ended-lorica-collapsibility
#18
Susan A Smith, Wen Song, Nelly A Gavrilova, Alexander V Kurilov, Weiwei Liu, George B McManus, Luciana F Santoferrara
A tintinnid ciliate isolated from waters of the Thames River (Connecticut, USA) is described through combined in vivo observation, protargol impregnation, and phylogenetic analysis. The novel genus Dartintinnus and its type species, D. alderae are distinct from established tintinnid taxa by a lorica that collapses on both anterior and posterior ends. Dartintinnus is placed in the family Eutintinnidae based on a hyaline, elongated lorica opened at both ends, a ciliary pattern including a ventral kinety, at least one dorsal kinety, and right, left and lateral fields, and a sister relationship to Eutintinnus in gene trees...
November 10, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/29123524/vertebrate-adaptive-immunity-comparative-insights-from-a-teleost-model
#19
REVIEW
Harry W Dickerson, Robert Craig Findly
The channel catfish (Ictalurus punctatus) and the ciliated protozoan parasite Ichthyophthirius multifiliis are used to study pathogen-specific protective immunity. In this review, we briefly describe this host-parasite system and discuss the comparative insights it provides on the adaptive immune response of vertebrates. We include studies related to cutaneous mucosal immunity, B cell memory responses, and analyses of αβ T cell receptor (TCR) repertoires. This host-parasite model has played an important role in elucidating host protective responses to parasite invasion and for comparative studies of vertebrate immunity...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29123440/eosinophil-chemokines-and-clara-cell-protein-16-production-in-nasal-mucosa-of-patients-with-persistent-allergic-rhinitis
#20
Aleksandar Perić, Cveta Špadijer Mirković, Biserka Vukomanović Đurđević, Aneta V Perić, Danilo Vojvodić
Objective: Eotaxin-2 and regulated on activation normal T cell expressed and secreted (RANTES) are involved in the eosinophil trafficking in patients with persistent allergic rhinitis (PAR). Clara cell protein 16 (CC16) is an anti-inflammatory protein mainly produced by the epithelial non-ciliated Clara cells. The aim of this study was to investigate the production of CC16 and chemokines eotaxin-2 and RANTES in nasal mucosa of patients with PAR. Materials and Methods: Twenty-one PAR patients and 20 healthy participants were included...
October 2017: Eurasian Journal of Medicine
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