euglena

Summary

Summary: A genus of EUKARYOTES, in the phylum EUGLENIDA, found mostly in stagnant water. Characteristics include a pellicle usually marked by spiral or longitudinal striations.

Top Publications

  1. Fuma S, Ishii N, Takeda H, Miyamoto K, Yanagisawa K, Ichimasa Y, et al. Ecological effects of various toxic agents on the aquatic microcosm in comparison with acute ionizing radiation. J Environ Radioact. 2003;67:1-14 pubmed
    ..For this purpose, the authors used the microcosm consisting of populations of the flagellate alga Euglena gracilis as a producer, the ciliate protozoan Tetrahymena thermophila as a consumer and the bacterium Escherichia ..
  2. Sheveleva E, Hallick R. Recent horizontal intron transfer to a chloroplast genome. Nucleic Acids Res. 2004;32:803-10 pubmed
    ..horizontal transfer of a self-splicing, homing group II intron from a cyanobacteria to the chloroplast genome of Euglena myxocylindracea. The psbA gene of E...
  3. Winkler U, Säftel W, Stabenau H. A new type of a multifunctional beta-oxidation enzyme in euglena. Plant Physiol. 2003;131:753-62 pubmed
    ..The present study provides such data for the phylogenetically old alga Euglena (Euglena gracilis)...
  4. Zimba P, Rowan M, Triemer R. Identification of euglenoid algae that produce ichthyotoxin(s). J Fish Dis. 2004;27:115-7 pubmed
  5. Sheveleva E, Giordani N, Hallick R. Identification and comparative analysis of the chloroplast alpha-subunit gene of DNA-dependent RNA polymerase from seven Euglena species. Nucleic Acids Res. 2002;30:1247-54 pubmed
    When the sequence of the Euglena gracilis chloroplast genome was reported in 1993 the alpha-subunit gene (rpoA) of RNA polymerase appeared to be missing, based on a comparison of all putative reading frames to the then known rpoA loci...
  6. Milanowski R, Zakryś B, Kwiatowski J. Phylogenetic analysis of chloroplast small-subunit rRNA genes of the genus Euglena Ehrenberg. Int J Syst Evol Microbiol. 2001;51:773-81 pubmed
    ..1999) were determined and used to infer phylogenetic relationships between 10 species of Euglena, three of Phacus, and one of each of Colacium, Lepocinclis, Strombomonas, Trachelomonas and Eutreptia...
  7. Greenwood S, Schnare M, Cook J, Gray M. Analysis of intergenic spacer transcripts suggests 'read-around' transcription of the extrachromosomal circular rDNA in Euglena gracilis. Nucleic Acids Res. 2001;29:2191-8 pubmed
    ..from the 5'-end of the small subunit (SSU) rRNA gene in the circular, extrachromosomal ribosomal DNA (rDNA) of Euglena gracilis...
  8. Halter D, Goulhen Chollet F, Gallien S, Casiot C, Hamelin J, Gilard F, et al. In situ proteo-metabolomics reveals metabolite secretion by the acid mine drainage bio-indicator, Euglena mutabilis. ISME J. 2012;6:1391-402 pubmed publisher
    b>Euglena mutabilis is a photosynthetic protist found in acidic aquatic environments such as peat bogs, volcanic lakes and acid mine drainages (AMDs)...
  9. Goto K, Beneragama C. Circadian clocks and antiaging: do non-aging microalgae like Euglena reveal anything?. Ageing Res Rev. 2010;9:91-100 pubmed publisher
    ..a conceptual generalization of those relationships, as suggested by evidence from non-aging microalgae, mainly Euglena. The circadian gating of mitosis and circadian temporal coordination may respectively reduce radiation- and ..

More Information

Publications95

  1. Zimba P, Moeller P, Beauchesne K, Lane H, Triemer R. Identification of euglenophycin--a toxin found in certain euglenoids. Toxicon. 2010;55:100-4 pubmed publisher
    ..for euglenoid toxin production, including HPLC/MS, MS/MS, and NMR analyses of a clonal (non-axenic) isolate of Euglena sanguinea grown in batch culture...
  2. Evangelista V, Passarelli V, Barsanti L, Gualtieri P. Fluorescence behavior of Euglena photoreceptor. Photochem Photobiol. 2003;78:93-7 pubmed
    To provide new information on the series of structural changes that Euglena photoreceptive proteins undergo inside the photoreceptor in response to light, we measured in vivo emission fluorescence spectra in the stable intermediates of ..
  3. Zizka Z. Concomitant use of polarization and negative phase contrast microscopy for the study of microorganisms. Folia Microbiol (Praha). 2018;63:493-498 pubmed publisher
    ..An important finding concerned thin pellicles in genus Euglena (Euglenales, Euglenophyceae) which exhibited weak birefringence...
  4. Foltinova P, Magdolen P, Zahradnik P. Inhibition of UV-induced mutagenesis in Euglena gracilis by benzothiazole derivatives. Pharmazie. 2003;58:360-1 pubmed
  5. Sittenfeld A, Vargas M, Sánchez E, Mora M, Serrano A. [A new species of Euglena (Euglenozoa: Euglenales) isolated from extreme environments in "boiling mudflats" of Rincón de la Vieja volcano, Costa Rica]. Rev Biol Trop. 2004;52:27-30 pubmed
    A new species of euglena isolated from a hot and acid mud pool located in Las Pailas de Barro, Volcán Rincón de la Vieja, Costa Rica is described. This species inhabits hot and acid environments. Euglena pailasensis sp. nov...
  6. Tomiyama T, Kurihara K, Ogawa T, Maruta T, Ogawa T, Ohta D, et al. Wax Ester Synthase/Diacylglycerol Acyltransferase Isoenzymes Play a Pivotal Role in Wax Ester Biosynthesis in Euglena gracilis. Sci Rep. 2017;7:13504 pubmed publisher
    Wax ester fermentation is a unique energy gaining pathway for a unicellular phytoflagellated protozoan, Euglena gracilis, to survive under anaerobiosis. Wax esters produced in E...
  7. Nakazawa M, Andoh H, Koyama K, Watanabe Y, Nakai T, Ueda M, et al. Alteration of Wax Ester Content and Composition in Euglena gracilis with Gene Silencing of 3-ketoacyl-CoA Thiolase Isozymes. Lipids. 2015;50:483-92 pubmed publisher
    b>Euglena gracilis produces wax ester under hypoxic and anaerobic culture conditions with a net synthesis of ATP. In wax ester fermentation, fatty acids are synthesized by reversing beta-oxidation in mitochondria...
  8. Ozasa K, Lee J, Song S, Hara M, Maeda M. Gas/liquid sensing via chemotaxis of Euglena cells confined in an isolated micro-aquarium. Lab Chip. 2013;13:4033-9 pubmed publisher
    We demonstrate on-chip gas/liquid sensing by using the chemotaxis of live bacteria (Euglena gracilis) confined in an isolated micro-aquarium, and gas/liquid permeation through porous polydimethylsiloxane (PDMS)...
  9. Ozasa K, Won J, Song S, Tamaki S, Ishikawa T, Maeda M. Temporal change of photophobic step-up responses of Euglena gracilis investigated through motion analysis. PLoS ONE. 2017;12:e0172813 pubmed publisher
    ..We investigated the photophobic step-up responses of Euglena gracilis over a time course of several hours with alternated repetition of blue-light pulse illumination and ..
  10. Li M, Muñoz H, Goda K, Di Carlo D. Shape-based separation of microalga Euglena gracilis using inertial microfluidics. Sci Rep. 2017;7:10802 pubmed publisher
    b>Euglena gracilis (E. gracilis) has been proposed as one of the most attractive microalgae species for biodiesel and biomass production, which exhibits a number of shapes, such as spherical, spindle-shaped, and elongated...
  11. Siemeister G, Buchholz C, Hachtel W. Genes for ribosomal proteins are retained on the 73 kb DNA from Astasia longa that resembles Euglena chloroplast DNA. Curr Genet. 1990;18:457-64 pubmed
    ..that is not encoded by the plastome in either higher plants or a liverwort, but has recently been identified in Euglena chloroplast DNA...
  12. Bolige A, Goto K. High irradiance responses involving photoreversible multiple photoreceptors as related to photoperiodic induction of cell division in Euglena. J Photochem Photobiol B. 2007;86:109-20 pubmed
    ..The flagellated alga Euglena gracilis exhibits photoperiodism, with a long-day response in cell reproduction...
  13. Hall J. Genetics of circadian rhythms. Annu Rev Genet. 1990;24:659-97 pubmed
  14. Ernst Fonberg M, Williams S, Worsham L. Acyl carrier protein interacts with melittin. Biochim Biophys Acta. 1990;1046:111-9 pubmed
    ..measurements), and inhibition by melittin of the activity of a nonaggregated fatty acid synthetase from Euglena. Also, anti-Apis mellifera antibodies which contained antibodies against melittin specifically inhibited the same ..
  15. Kato S, Takaichi S, Ishikawa T, Asahina M, Takahashi S, Shinomura T. Identification and functional analysis of the geranylgeranyl pyrophosphate synthase gene (crtE) and phytoene synthase gene (crtB) for carotenoid biosynthesis in Euglena gracilis. BMC Plant Biol. 2016;16:4 pubmed publisher
    b>Euglena gracilis, a unicellular phytoflagellate within Euglenida, has attracted much attention as a potential feedstock for renewable energy production...
  16. Colley N, Nilsson D. Photoreception in Phytoplankton. Integr Comp Biol. 2016;56:764-775 pubmed
    ..In a wide variety of motile phytoplankton, including Chlamydomonas, Volvox, Euglena, and Kryptoperidinium, eyespots are light-sensitive organelles residing within the cell...
  17. Dobáková E, Flegontov P, Skalický T, Lukeš J. Unexpectedly Streamlined Mitochondrial Genome of the Euglenozoan Euglena gracilis. Genome Biol Evol. 2015;7:3358-67 pubmed publisher
    In this study, we describe the mitochondrial genome of the excavate flagellate Euglena gracilis. Its gene complement is reduced as compared with the well-studied sister groups Diplonemea and Kinetoplastea...
  18. Cao X, Wan L, Xiao J, Chen X, Zhou Y, Wang Z, et al. Environmental effects by introducing Potamogeton crispus to recover a eutrophic Lake. Sci Total Environ. 2018;621:360-367 pubmed publisher
    ..crispus in late spring resulted in an abrupt increase of DOP, providing a suitable growing environment for Euglena and dinoflagellates and a Peridiniopsis bloom occurred owing to their advantage in utilizing DOP...
  19. Záhonová K, Füssy Z, Obornik M, Elias M, Yurchenko V. RuBisCO in Non-Photosynthetic Alga Euglena longa: Divergent Features, Transcriptomic Analysis and Regulation of Complex Formation. PLoS ONE. 2016;11:e0158790 pubmed publisher
    b>Euglena longa, a close relative of the photosynthetic model alga Euglena gracilis, possesses an enigmatic non-photosynthetic plastid. Its genome has retained a gene for the large subunit of the enzyme RuBisCO (rbcL)...
  20. Ogawa T, Shoji E, Suematsu N, Nishimori H, Izumi S, Awazu A, et al. The Flux of Euglena gracilis Cells Depends on the Gradient of Light Intensity. PLoS ONE. 2016;11:e0168114 pubmed publisher
    We have quantified the photomovement behavior of a suspension of Euglena gracilis representing a behavioral response to a light gradient...
  21. Wu J, Cui X, Lee L, Yang C. The application of Fresnel zone plate based projection in optofluidic microscopy. Opt Express. 2008;16:15595-602 pubmed
    ..We demonstrate the capability of the integrated system by flowing the protist Euglena gracilis across the aperture array microfluidically and performing OFM imaging of the samples.
  22. Martín González A, Wierzchos J, Gutierrez J, Alonso J, Ascaso C. Morphological stasis of protists in lower cretaceous amber. Protist. 2008;159:251-7 pubmed
    ..reasonably confident microfossils of three taxa: Excavata (Euglenozoa), that are similar to the extant genera Euglena and Phacus; Chlorophyceae identified as members of the genus Chlamydomonas, and finally, in the taxon Ciliophora (..
  23. Ohmachi M, Fujiwara Y, Muramatsu S, Yamada K, Iwata O, Suzuki K, et al. A modified single-cell electroporation method for molecule delivery into a motile protist, Euglena gracilis. J Microbiol Methods. 2016;130:106-111 pubmed publisher
    ..we have modified current single-cell electroporation techniques for delivering fluorescent markers into single Euglena gracilis, a motile photosynthetic microalga...
  24. Saito A, Suetomo Y, Arikawa M, Omura G, Khan S, Kakuta S, et al. Gliding movement in Peranema trichophorum is powered by flagellar surface motility. Cell Motil Cytoskeleton. 2003;55:244-53 pubmed
    ..All of these results indicate that a cell surface motility system is present on the anterior flagellum, which is responsible for cell gliding in P. trichophorum. ..
  25. Lockhart P, Steel M, Larkum A. Gene duplication and the evolution of photosynthetic reaction center proteins. FEBS Lett. 1996;385:193-6 pubmed
  26. Ohki M, Sugiyama K, Kawai F, Tanaka H, Nihei Y, Unzai S, et al. Structural insight into photoactivation of an adenylate cyclase from a photosynthetic cyanobacterium. Proc Natl Acad Sci U S A. 2016;113:6659-64 pubmed publisher
    ..BLUF domains were discovered through studies of photo-induced movements of Euglena gracilis, a unicellular flagellate, and gene expression in the purple bacterium Rhodobacter sphaeroides, but the ..
  27. Zhu J, Wakisaka M. Growth promotion of Euglena gracilis by ferulic acid from rice bran. AMB Express. 2018;8:16 pubmed publisher
    A significant growth promotion of Euglena gracilis was achieved by simply adding ferulic acid from rice bran without diminishing the accumulation of valuable products like paramylon. E...
  28. Suzuki K. Large-Scale Cultivation of Euglena. Adv Exp Med Biol. 2017;979:285-293 pubmed publisher
    ..One such candidate source is the fast-proliferating microalga Euglena gracilis. The commercial cultivation of E...
  29. Ebenezer T, Carrington M, Lebert M, Kelly S, Field M. Euglena gracilis Genome and Transcriptome: Organelles, Nuclear Genome Assembly Strategies and Initial Features. Adv Exp Med Biol. 2017;979:125-140 pubmed publisher
    b>Euglena gracilis is a major component of the aquatic ecosystem and together with closely related species, is ubiquitous worldwide...
  30. Zimorski V, Rauch C, van Hellemond J, Tielens A, Martin W. The Mitochondrion of Euglena gracilis. Adv Exp Med Biol. 2017;979:19-37 pubmed publisher
    In the presence of oxygen, Euglena gracilis mitochondria function much like mammalian mitochondria. Under anaerobiosis, E...
  31. Lam A, Samuel Gama K, Griffin J, Loeun M, Gerber L, Hossain Z, et al. Device and programming abstractions for spatiotemporal control of active micro-particle swarms. Lab Chip. 2017;17:1442-1451 pubmed publisher
    ..In particular, local and global spatiotemporal light stimuli are used to direct the motion of ensembles of Euglena gracilis, a unicellular phototactic organism...
  32. Hader D, Hemmersbach R. Gravitaxis in Euglena. Adv Exp Med Biol. 2017;979:237-266 pubmed publisher
    ..In Euglena the precision of gravitaxis is regulated by an internal rhythm entrained by the daily light/dark cycle...
  33. Hadariová L, Vesteg M, Birčák E, Schwartzbach S, Krajcovic J. An intact plastid genome is essential for the survival of colorless Euglena longa but not Euglena gracilis. Curr Genet. 2017;63:331-341 pubmed publisher
    b>Euglena gracilis growth with antibacterial agents leads to bleaching, permanent plastid gene loss. Colorless Euglena (Astasia) longa resembles a bleached E. gracilis. To evaluate the role of bleaching in E...
  34. Mukaida S, Ogawa T, Ohishi K, Tanizawa Y, Ohta D, Arita M. The effect of rapamycin on biodiesel-producing protist Euglena gracilis. Biosci Biotechnol Biochem. 2016;80:1223-9 pubmed publisher
    ..To investigate the lipid biosynthesis of Euglena gracilis, rapamycin was supplemented in comparison with two model algae, Chlamydomonas reinhardtii and ..
  35. Keppeler E, Lopes M, Lima C. [Algal flora of Lake Amapá in Rio Branco, acre state, I: euglenophyceae]. Rev Bras Biol. 1999;59:679-86 pubmed
    ..Samples were prepared and preserved with Transeau solution. Twenty five taxons were identified. Genera Euglena and Trachelomonas were the most frequently represented.
  36. Doetsch N, Thompson M, Favreau M, Hallick R. Comparison of psbK operon organization and group III intron content in chloroplast genomes of 12 Euglenoid species. Mol Gen Genet. 2001;264:682-90 pubmed
    ..Based on a comparison of the intron content with the results of phylogenetic analysis, group III intron evolution within the Euglenoid lineage is much more complex than previously believed...
  37. Tong J, Edmunds L. Role of cyclic GMP in the mediation of circadian rhythmicity of the adenylate cyclase-cyclic AMP-phosphodiesterase system in Euglena. Biochem Pharmacol. 1993;45:2087-91 pubmed
    ..cyclase (AC)-cAMP-phosphodiesterase (PDE) system in the achlorophyllous ZC mutant of the unicellular flagellate Euglena, the levels of cAMP and cGMP were monitored in synchronized cell populations, and the effects of the cGMP analog ..
  38. Casiot C, Bruneel O, Personné J, Leblanc M, Elbaz Poulichet F. Arsenic oxidation and bioaccumulation by the acidophilic protozoan, Euglena mutabilis, in acid mine drainage (Carnoulès, France). Sci Total Environ. 2004;320:259-67 pubmed
    In the acid stream (pH 2.5-4.7) originating from the Carnoulès mine tailings, the acidophilic protozoan Euglena mutabilis grows with extremely high sulfate (1.9-4.9 g/l), iron (0.7-1.7 g/l) and arsenic concentrations (0.08-0.26 g/l)...
  39. Sheehan K, Henson J, Ferris M. Legionella species diversity in an acidic biofilm community in Yellowstone National Park. Appl Environ Microbiol. 2005;71:507-11 pubmed
    ..We detected only one sequence, Legionella micdadei, from cultivated isolates. We cultured and sequenced partial 18S rRNA gene regions from two potential hosts, Acanthamoeba and Euglena species.
  40. Hamana K, Sakamoto A, Nishina M, Niitsu M. Cellular polyamine profile of the phyla Dinophyta, Apicomplexa, Ciliophora, Euglenozoa, Cercozoa and Heterokonta. J Gen Appl Microbiol. 2004;50:297-303 pubmed
  41. Inui H, Ishikawa T, Tamoi M. Wax Ester Fermentation and Its Application for Biofuel Production. Adv Exp Med Biol. 2017;979:269-283 pubmed publisher
    In Euglena cells under anaerobic conditions, paramylon, the storage polysaccharide, is promptly degraded and converted to wax esters...
  42. Bolige A, Kiyota M, Goto K. Circadian rhythms of resistance to UV-C and UV-B radiation in Euglena as related to "escape from light" and "resistance to light". J Photochem Photobiol B. 2005;81:43-54 pubmed
    ..We found that, in the absence of stress or time cues, Euglena gracilis Z was the most resistant to UV-C and UV-B at subjective midday, whether judged from immediate or ..
  43. Durnford D, Schwartzbach S. Protein Targeting to the Plastid of Euglena. Adv Exp Med Biol. 2017;979:183-205 pubmed publisher
    ..b>Euglena, which acquired a chloroplast indirectly through an endosymbiosis with a green alga, represents such an example...
  44. Ishikawa T, Tamaki S, Maruta T, Shigeoka S. Biochemistry and Physiology of Reactive Oxygen Species in Euglena. Adv Exp Med Biol. 2017;979:47-64 pubmed publisher
    ..as superoxide and hydrogen peroxide are by-products of various metabolic processes in aerobic organisms including Euglena. Chloroplasts and mitochondria are the main sites of ROS generation by photosynthesis and respiration, ..
  45. Gomez N, Sierra M, Cortelezzi A, Capítulo A. Effects of discharges from the textile industry on the biotic integrity of benthic assemblages. Ecotoxicol Environ Saf. 2008;69:472-9 pubmed
    ..It will also provide a baseline for the monitoring and restoration, or remediation, programs using the metrics of biotic integrity, particularly in South American countries where such metrics are rarely employed...
  46. Vacula R, Slavikova S, Schwartzbach S. Protein trafficking to the complex chloroplasts of Euglena. Methods Mol Biol. 2007;390:219-37 pubmed
    Proteins are delivered to Euglena chloroplasts using the secretory pathway...
  47. Duttagupta S, Gupta S, Gupta A. Euglenoid blooms in the floodplain wetlands of Barak Valley, Assam, North eastern India. J Environ Biol. 2004;25:369-73 pubmed
    Red blooms of Euglena sp. in the floodplain wetland ecosystems of Barak Valley, Assam, India, were found to be induced by high concentrations of NH3-N, NO3, Fe, Mg and to some extent, PO4, Cu and Zn in their water...
  48. Fuma S, Takeda H, Takaku Y, Hisamatsu S, Kawabata Z. Effects of dysprosium on the species-defined microbial microcosm. Bull Environ Contam Toxicol. 2005;74:263-72 pubmed
  49. Höpfner T, Bluma A, Rudolph G, Lindner P, Scheper T. A review of non-invasive optical-based image analysis systems for continuous bioprocess monitoring. Bioprocess Biosyst Eng. 2010;33:247-56 pubmed publisher
    ..In particular, by in situ microscopy, an imaging procedure will be described, which allows the determination of direct and non-direct cell variables in real time without sampling...
  50. Worsham L, Tucker M, Ernst Fonberg M. Chemical cross-linking and its effect on fatty acid synthetase activity in intact chloroplasts from Euglena gracilis. Biochim Biophys Acta. 1988;963:423-8 pubmed
    Intact chloroplasts were isolated from Euglena gracilis variety bacillaris, aliquots were exposed to several different chemical cross-linking reagents. The reagents penetrated the triple membrane of Euglena chloroplasts...
  51. Barsanti L, Coltelli P, Evangelista V, Passarelli V, Frassanito A, Vesentini N, et al. In vivo absorption spectra of the two stable states of the Euglena photoreceptor photocycle. Photochem Photobiol. 2009;85:304-12 pubmed publisher
    b>Euglena gracilis possesses a simple but sophisticated light detecting system, consisting of an eyespot formed by carotenoids globules and a photoreceptor...
  52. Müllner A, Angeler D, Samuel R, Linton E, Triemer R. Phylogenetic analysis of phagotrophic, photomorphic and osmotrophic euglenoids by using the nuclear 18S rDNA sequence. Int J Syst Evol Microbiol. 2001;51:783-91 pubmed
    ..including 25 previously published sequences and 10 which have been newly sequenced, representing two species of Euglena, five species of Phacus and three species of Astasia, were carried out using the SSU rDNA...
  53. Gupta S, Agrawal S. Motility and survival of Euglena ignobilis as affected by different factors. Folia Microbiol (Praha). 2005;50:315-22 pubmed
    b>Euglena ignobilis cells in natural puddle water of pH 7...
  54. Shibakami M, Tsubouchi G, Nakamura M, Hayashi M. Preparation of carboxylic acid-bearing polysaccharide nanofiber made from euglenoid ?-1,3-glucans. Carbohydr Polym. 2013;98:95-101 pubmed publisher
    ..SEM observation revealed that succinylated paramylon forms a nanofiber that has carboxylic acid on the surface. ..
  55. Häder D, Lebert M. Photoorientation in photosynthetic flagellates. Methods Mol Biol. 2009;571:51-65 pubmed publisher
    ..The photoreceptors can control light-activated ion channels or activated enzymes. The responses to the different stimuli in their habitat can be connected in a complex network of signal transduction chains...
  56. Staves M, Bloch D, Lacey J. Demonstrating evolutionary relationships between macromolecular sequences through mutual relationships with a third sequence. Z Naturforsch C. 1988;43:476-8 pubmed
    Corresponding sites of the Euglena chloroplast and yeast small subunit ribosomal RNAs (rRNAs) show only an insignificant match with each other but show extensive matches with Euglena chloroplast tRNA(arg)...
  57. Gutierrez D, Rafalski A, Beauchesne K, Moeller P, Triemer R, Zimba P. Quantitative mass spectrometric analysis and post-extraction stability assessment of the euglenoid toxin euglenophycin. Toxins (Basel). 2013;5:1587-96 pubmed publisher
    ..These methods and knowledge of the toxin's stability will facilitate identification of the toxin as a causative agent in fish kills and determination of the toxin's distribution in the organs of exposed fish. ..
  58. Nagahama T, Suzuki T, Yoshikawa S, Iseki M. Functional transplant of photoactivated adenylyl cyclase (PAC) into Aplysia sensory neurons. Neurosci Res. 2007;59:81-8 pubmed
    ..present experiments we attempted functional transplant of a photoactivated adenylyl cyclase (PAC) isolated from Euglena into Aplysia neurons, and explored whether PAC can produce cAMP in the neurons by light stimulation...
  59. Sakashita T, Doi M, Nakamura Y, Fuma S, Ishii N, Takeda H. Gamma-irradiation effect: variation of photosynthetic activity of Euglena. Biomed Environ Sci. 2002;15:261-7 pubmed
    ..gamma-ray irradiation on carbon fixation (Specific production rate: SPR), CO2 utilization efficiency (CUE) and electron transfer rate (ETR) in the photosynthetic flagellate Euglena gracilis strain Z in a dose-response dependent manner.
  60. Watanabe F, Yoshimura K, Shigeoka S. Biochemistry and Physiology of Vitamins in Euglena. Adv Exp Med Biol. 2017;979:65-90 pubmed publisher
    b>Euglena gracilis Z requires vitamins B1 and B12 for growth. It takes up and accumulates large amounts of these exogenous vitamins through energy-dependent active transport systems. Except for these essential vitamins, E...
  61. Han Y, Braatsch S, Osterloh L, Klug G. A eukaryotic BLUF domain mediates light-dependent gene expression in the purple bacterium Rhodobacter sphaeroides 2.4.1. Proc Natl Acad Sci U S A. 2004;101:12306-11 pubmed
    ..In the photoreceptor protein photo-activated adenylyl cyclase (PAC) from the flagellate Euglena gracilis, the BLUF domain is linked to an adenylyl cyclase domain...
  62. Moreno Sanchez R, Rodriguez Enriquez S, Jasso Chávez R, Saavedra E, García García J. Biochemistry and Physiology of Heavy Metal Resistance and Accumulation in Euglena. Adv Exp Med Biol. 2017;979:91-121 pubmed publisher
    ..The available research data indicate that protists of the genus Euglena are a highly promising group of microorganisms to be used in bio-remediation of heavy metal-polluted aerobic and ..
  63. Kusel Fetzmann E, Weidinger M. Ultrastructure of five Euglena species positioned in the subdivision Serpentes. Protoplasma. 2008;233:209-22 pubmed publisher
    Within the genus Euglena, the subgroup "Serpentes" is characterised by species with long, slim cell bodies, which move without flagellum by snake-like locomotion in the detritus or in the mud, or swim freely in the water with a ..
  64. Das B, Pradhan J, Sahu S. The effect of Euglena viridis on immune response of rohu, Labeo rohita (Ham.). Fish Shellfish Immunol. 2009;26:871-6 pubmed publisher
    The study evaluated the effect of dietary doses of Euglena viridis on the immune response and disease resistance of Labeo rohita fingerlings against infection with the bacterial pathogen Aeromonas hydrophila. L...
  65. Figge R, Schubert M, Brinkmann H, Cerff R. Glyceraldehyde-3-phosphate dehydrogenase gene diversity in eubacteria and eukaryotes: evidence for intra- and inter-kingdom gene transfer. Mol Biol Evol. 1999;16:429-40 pubmed
    ..sequences from other eubacterial sources indicate that the glycosomal gap gene from trypanosomes (cytosolic in Euglena) and the gap gene from the spirochete Treponema pallidum are each other's closest relatives...
  66. Moreno Sanchez R, Covian R, Jasso Chávez R, Rodriguez Enriquez S, Pacheco Moisés F, Torres Marquez M. Oxidative phosphorylation supported by an alternative respiratory pathway in mitochondria from Euglena. Biochim Biophys Acta. 2000;1457:200-10 pubmed
    ..ATP synthesis, cytochrome c reductase, and membrane potential in mitochondria isolated from dark-grown Euglena cells was determined...
  67. Maier J, Witter K, G tlich M, Ziegler I, Werner T, Ninnemann H. Homology cloning of GTP-cyclohydrolase I from various unrelated eukaryotes by reverse-transcription polymerase chain reaction using a general set of degenerate primers. Biochem Biophys Res Commun. 1995;212:705-11 pubmed publisher
    ..blakesleeanus and Saccharomyces cerevisiae, the cellular slime mold Dictyostelium discoideum, the phytoflagellate Euglena gracilis and the higher plant Mucuna hassjo using primers specific for conserved regions of the open reading ..
  68. Siemeister G, Buchholz C, Hachtel W. Genes for the plastid elongation factor Tu and ribosomal protein S7 and six tRNA genes on the 73 kb DNA from Astasia longa that resembles the chloroplast DNA of Euglena. Mol Gen Genet. 1990;220:425-32 pubmed
    ..sequence of a 6156 bp segment of the circular 73 kb DNA from Astasia longa resembling the chloroplast DNA of Euglena was determined...
  69. Osafune T, Schwartzbach S. Intracellular protein localization by immunoelectron microscopy. Methods Mol Biol. 2007;390:407-16 pubmed
    ..The methodology described was developed to study protein localization in Euglena but it is applicable to most organisms.
  70. Sánchez E, Vargas M, Mora M, Ortega J, Serrano A, Freer E, et al. [Ultrastructural description of Euglena pailasensis (Euglenozoa) from Rincón de la Vieja volcano, Guanacaste, Costa Rica]. Rev Biol Trop. 2004;52:31-40 pubmed
    ..The morphological characterization of the Euglena pailasensis was performed by SEM and TEM...
  71. Miliša M, Đikić D, Mandić T, Grozić D, Čolić I, Ostojić A. Response of aquatic protists to electric field exposure. Int J Radiat Biol. 2017;93:818-830 pubmed publisher
    ..To test the effects of short-term exposure of aquatic organisms to electric field (EF) with negligible magnetic component...
  72. Leander B, Esson H, Breglia S. Macroevolution of complex cytoskeletal systems in euglenids. Bioessays. 2007;29:987-1000 pubmed
  73. Gao X, Cui Y, Hu C, Qian X, Kong Z, Li M. [Genotoxicity effect of organic pollutants in Meiliang Bay of Taihu Lake on microalga Euglena gracilis]. Huan Jing Ke Xue. 2009;30:3388-92 pubmed
    ..At lower concentrations (1 time), organic pollutants could not have notable effect on the growth of Euglena gracilis, but could increase the content of photosynthetic pigment...
  74. Frassanito R, Cantonati M, Flaim G, Mancini I, Guella G. A new method for the identification and the structural characterisation of carotenoid esters in freshwater microorganisms by liquid chromatography/electrospray ionisation tandem mass spectrometry. Rapid Commun Mass Spectrom. 2008;22:3531-9 pubmed publisher
    ..In particular, acyl carotenoid derivatives of Haematococcus pluvialis and Euglena sanguinea have been characterised by tandem mass spectrometry (MS/MS) in a quadrupole ion trap...
  75. Puente Sánchez F, Olsson S, Gómez Rodriguez M, Souza Egipsy V, Altamirano Jeschke M, Amils R, et al. Solar Radiation Stress in Natural Acidophilic Biofilms of Euglena mutabilis Revealed by Metatranscriptomics and PAM Fluorometry. Protist. 2016;167:67-81 pubmed publisher
    The daily photosynthetic performance of a natural biofilm of the extreme acidophilic Euglena mutabilis from Río Tinto (SW, Spain) under full solar radiation was analyzed by means of pulse amplitude-modulated (PAM) fluorescence ..
  76. Mangal V, Stock N, Guéguen C. Molecular characterization of phytoplankton dissolved organic matter (DOM) and sulfur components using high resolution Orbitrap mass spectrometry. Anal Bioanal Chem. 2016;408:1891-900 pubmed publisher
    ..PLFA) standards, and dissolved organic matter (DOM) released by freshwater phytoplankton (Scenedesmus obliquus, Euglena mutabilis, and Euglena gracilis)...
  77. Xu J, Wu D, Hanada Y, Chen C, Wu S, Cheng Y, et al. Electrofluidics fabricated by space-selective metallization in glass microfluidic structures using femtosecond laser direct writing. Lab Chip. 2013;13:4608-16 pubmed publisher
    ..The fabricated electrofluidics are applied to control the temperature of liquid samples in the microchannels for the enhancement of chemical reactions and to manipulate the movement of biological samples in the microscale space. ..
  78. Orta de Velasquez M, Monje Ramirez I, Yáñez Noguez I. Saline landfill leachate disposal in facultative lagoons for wastewater treatment. Environ Technol. 2012;33:247-55 pubmed
    ..The types of algae present were Microcystis sp., Merismopedia sp., Euglena sp., Scenedesmus sp., Chlorella, Diatomea and Anacystis sp...
  79. Akpor O, Momba M. Relationship of protozoan biomass to phosphate and nitrate removal from activated sludge mixed liquor. Biotechnol J. 2010;5:304-13 pubmed publisher
    ..54 mg/L to final ranges of 0.11-6.32 mg/L, 0.16-5.60 mg/L and 0.24-9.04 mg/L, respectively. The study had revealed that an increase in cell density of the test isolates produces a corresponding increase in phosphate and nitrate removal...
  80. Brinke M, Ristau K, Bergtold M, Höss S, Claus E, Heininger P, et al. Using meiofauna to assess pollutants in freshwater sediments: a microcosm study with cadmium. Environ Toxicol Chem. 2011;30:427-38 pubmed publisher
    ..However, in microcosms receiving the highest Cd concentration, the abundance of the flagellate Euglena mutabilis increased significantly toward the end of the present study...
  81. Johnson C. Circadian clocks and cell division: what's the pacemaker?. Cell Cycle. 2010;9:3864-73 pubmed
  82. Nakazawa M. C2 metabolism in Euglena. Adv Exp Med Biol. 2017;979:39-45 pubmed publisher
    ..various carbon-chain lengths, and ethanol is known to be one of the best carbon sources to support the growth of Euglena gracilis...
  83. Zakryś B, Milanowski R, Karnkowska A. Evolutionary Origin of Euglena. Adv Exp Med Biol. 2017;979:3-17 pubmed publisher
    ..Euglenaria, Colacium, Cryptoglena, Strombomonas, Trachelomonas, Monomorphina) and polyphyletic genus Euglena. For 150 years researchers have been studying Euglena based solely on morphological features what resulted in ..
  84. Daneshvar N, Khataee A, Rasoulifard M, Pourhassan M. Biodegradation of dye solution containing Malachite Green: optimization of effective parameters using Taguchi method. J Hazard Mater. 2007;143:214-9 pubmed
    ..5h. The stability and efficiency of Chlorella sp. in long-term repetitive operations were also examined...
  85. Carrara F, Rinaldo A, Giometto A, Altermatt F. Complex interaction of dendritic connectivity and hierarchical patch size on biodiversity in river-like landscapes. Am Nat. 2014;183:13-25 pubmed publisher
    ..The experimental results are demonstrating a principle that can be tested in theoretical metacommunity models and eventually be projected to real riverine ecosystems...
  86. Mahadev J, Srikantswamy S, Gholami S, Ahmed S. Assessment of environmental variables in Cauvery River and its tributaries. J Environ Sci Eng. 2010;52:307-10 pubmed
    ..Low algal diversity and negative impact on the biotic and abiotic environment were experienced at stations 3 and 4 throughout the duration of sampling, because of man made activities...