cyanobacteria

Summary

Summary: A phylum of oxygenic photosynthetic bacteria comprised of unicellular to multicellular bacteria possessing CHLOROPHYLL a and carrying out oxygenic PHOTOSYNTHESIS. Cyanobacteria are the only known organisms capable of fixing both CARBON DIOXIDE (in the presence of light) and NITROGEN. Cell morphology can include nitrogen-fixing heterocysts and/or resting cells called akinetes. Formerly called blue-green algae, cyanobacteria were traditionally treated as ALGAE.

Top Publications

  1. ncbi Prochlorococcus, a marine photosynthetic prokaryote of global significance
    F Partensky
    Station Biologique, CNRS, INSU et Université Pierre et Marie Curie, F 29680 Roscoff
    Microbiol Mol Biol Rev 63:106-27. 1999
  2. ncbi Environmental genome shotgun sequencing of the Sargasso Sea
    J Craig Venter
    Institute for Biological Energy Alternatives, 1901 Research Boulevard, Rockville, MD 20850, USA
    Science 304:66-74. 2004
  3. ncbi Metabolic streamlining in an open-ocean nitrogen-fixing cyanobacterium
    H James Tripp
    Ocean Sciences Department, University of California, Santa Cruz, 1156 High Street, Santa Cruz, California 95064, USA
    Nature 464:90-4. 2010
  4. ncbi Three-dimensional structure of cyanobacterial photosystem I at 2.5 A resolution
    P Jordan
    Institut für Chemie Kristallographie, Freie Universitat Berlin, D 14195 Berlin, Takustrasse 6, Germany
    Nature 411:909-17. 2001
  5. ncbi Engineering cyanobacteria to generate high-value products
    Daniel C Ducat
    Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA
    Trends Biotechnol 29:95-103. 2011
  6. ncbi Genome evolution in cyanobacteria: the stable core and the variable shell
    Tuo Shi
    Environmental Biophysics and Molecular Ecology Program, Institute of Marine and Coastal Sciences and Department of Earth and Planetary Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA
    Proc Natl Acad Sci U S A 105:2510-5. 2008
  7. ncbi Unicellular cyanobacteria fix N2 in the subtropical North Pacific Ocean
    J P Zehr
    Department of Ocean Sciences and Institute of Marine Sciences, University of California, Santa Cruz, California 95064, USA
    Nature 412:635-8. 2001
  8. ncbi The fast and slow kinetics of chlorophyll a fluorescence induction in plants, algae and cyanobacteria: a viewpoint
    George C Papageorgiou
    National Center for Scientific Research Demokritos, Institute of Biology, Athens, 153 10, Greece
    Photosynth Res 94:275-90. 2007
  9. ncbi The genome of a motile marine Synechococcus
    B Palenik
    Marine Biology Research Division, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093 0202, USA
    Nature 424:1037-42. 2003
  10. ncbi Differential gene retention in plastids of common recent origin
    Adrian Reyes-Prieto
    Department of Ecology, Evolution and Natural Resources, Rutgers University, NJ, USA
    Mol Biol Evol 27:1530-7. 2010

Research Grants

  1. FTIR STUDY OF SIGNAL TRANSDUCTION IN SENSORY RHODOPSINS
    Kenneth J Rothschild; Fiscal Year: 2010
  2. Problems in Membrane Protein Crystallography: Hetero-Oligomeric Cytochrome b6f
    WILLIAM CRAMER; Fiscal Year: 2009
  3. Problems in Membrane Protein Crystallography: Hetero-Oligomeric Cytochrome b6f
    William A Cramer; Fiscal Year: 2010
  4. STRUCTURE/FUNCTION OF PHOTOSYNTHETIC CYTOCHROME COMPLEX
    WILLIAM CRAMER; Fiscal Year: 1993
  5. STRUCTURES OF ANTIBIOTICS AND RELATED COMPOUNDS
    KENNETH RINEHART; Fiscal Year: 1999
  6. The mechanism of signal transduction in photoreceptors
    Hartmut Luecke; Fiscal Year: 2006
  7. Biosynthesis of Microbial Isoprenoids
    David E Cane; Fiscal Year: 2010
  8. ANTICANCER AGENTS FROM CYANOPHYTES AND MARINE ORGANISMS
    Richard Moore; Fiscal Year: 1993
  9. ANTITUMOR AGENTS FROM BLUE-GREEN ALGAE
    Richard Moore; Fiscal Year: 2002
  10. PHARMACOPHORE INTERACTIONS WITH TUBULIN OF CRYPTOPHYCINS
    Gunda Georg; Fiscal Year: 2001

Detail Information

Publications337 found, 100 shown here

  1. ncbi Prochlorococcus, a marine photosynthetic prokaryote of global significance
    F Partensky
    Station Biologique, CNRS, INSU et Université Pierre et Marie Curie, F 29680 Roscoff
    Microbiol Mol Biol Rev 63:106-27. 1999
    ..The present review critically assesses the basic knowledge acquired about Prochlorococcus both in the ocean and in the laboratory...
  2. ncbi Environmental genome shotgun sequencing of the Sargasso Sea
    J Craig Venter
    Institute for Biological Energy Alternatives, 1901 Research Boulevard, Rockville, MD 20850, USA
    Science 304:66-74. 2004
    ..2 million previously unknown genes represented in these samples, including more than 782 new rhodopsin-like photoreceptors. Variation in species present and stoichiometry suggests substantial oceanic microbial diversity...
  3. ncbi Metabolic streamlining in an open-ocean nitrogen-fixing cyanobacterium
    H James Tripp
    Ocean Sciences Department, University of California, Santa Cruz, 1156 High Street, Santa Cruz, California 95064, USA
    Nature 464:90-4. 2010
    Nitrogen (N(2))-fixing marine cyanobacteria are an important source of fixed inorganic nitrogen that supports oceanic primary productivity and carbon dioxide removal from the atmosphere...
  4. ncbi Three-dimensional structure of cyanobacterial photosystem I at 2.5 A resolution
    P Jordan
    Institut für Chemie Kristallographie, Freie Universitat Berlin, D 14195 Berlin, Takustrasse 6, Germany
    Nature 411:909-17. 2001
    ..In plants, green algae and cyanobacteria, this process is driven by the cooperation of two large protein-cofactor complexes, photosystems I and II, ..
  5. ncbi Engineering cyanobacteria to generate high-value products
    Daniel C Ducat
    Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA
    Trends Biotechnol 29:95-103. 2011
    ..b>Cyanobacteria possess several advantages as organisms for bioindustrial processes, including simple input requirements, ..
  6. ncbi Genome evolution in cyanobacteria: the stable core and the variable shell
    Tuo Shi
    Environmental Biophysics and Molecular Ecology Program, Institute of Marine and Coastal Sciences and Department of Earth and Planetary Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA
    Proc Natl Acad Sci U S A 105:2510-5. 2008
    b>Cyanobacteria are the only known prokaryotes capable of oxygenic photosynthesis, the evolution of which transformed the biology and geochemistry of Earth...
  7. ncbi Unicellular cyanobacteria fix N2 in the subtropical North Pacific Ocean
    J P Zehr
    Department of Ocean Sciences and Institute of Marine Sciences, University of California, Santa Cruz, California 95064, USA
    Nature 412:635-8. 2001
    ..Here we show that there are unicellular cyanobacteria in the open ocean that are expressing nitrogenase, and are abundant enough to potentially have a significant ..
  8. ncbi The fast and slow kinetics of chlorophyll a fluorescence induction in plants, algae and cyanobacteria: a viewpoint
    George C Papageorgiou
    National Center for Scientific Research Demokritos, Institute of Biology, Athens, 153 10, Greece
    Photosynth Res 94:275-90. 2007
    ..FI has been studied quite extensively in plants an algae (less so in cyanobacteria) as it affords a low resolution panoramic view of the photosynthesis process...
  9. ncbi The genome of a motile marine Synechococcus
    B Palenik
    Marine Biology Research Division, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093 0202, USA
    Nature 424:1037-42. 2003
    Marine unicellular cyanobacteria are responsible for an estimated 20-40% of chlorophyll biomass and carbon fixation in the oceans. Here we have sequenced and analysed the 2.4-megabase genome of Synechococcus sp...
  10. ncbi Differential gene retention in plastids of common recent origin
    Adrian Reyes-Prieto
    Department of Ecology, Evolution and Natural Resources, Rutgers University, NJ, USA
    Mol Biol Evol 27:1530-7. 2010
    ..Our study demonstrates that plastid genomes in sister taxa are strongly constrained by selection but follow distinct trajectories during the earlier phases of organelle evolution...
  11. ncbi Geographical isolation in hot spring cyanobacteria
    R Thane Papke
    Department of Microbiology, 109 Lewis Hall, Montana State University, Bozeman, MT 59717, USA
    Environ Microbiol 5:650-9. 2003
    ..The genetic diversity of cyanobacteria indigenous to North American, Japanese, New Zealand and Italian springs was surveyed by (i) amplification and ..
  12. ncbi High rates of N2 fixation by unicellular diazotrophs in the oligotrophic Pacific Ocean
    Joseph P Montoya
    School of Biology, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
    Nature 430:1027-32. 2004
    ..Large colonial cyanobacteria in the genus Trichodesmium and the heterocystous endosymbiont Richelia have traditionally been considered the ..
  13. ncbi Biosynthetic origin of natural products isolated from marine microorganism-invertebrate assemblages
    T Luke Simmons
    Scripps Institution of Oceanography, Department of Chemistry and Biochemistry, University of California at San Diego, La Jolla, CA 92093
    Proc Natl Acad Sci U S A 105:4587-94. 2008
    ..Examples are given from the literature as well as recent proof-of-concept experiments from the authors' laboratories...
  14. ncbi Niche adaptation and genome expansion in the chlorophyll d-producing cyanobacterium Acaryochloris marina
    Wesley D Swingley
    Institute of Low Temperature Science, Hokkaido University, N19W8, Sapporo 060 0819, Japan
    Proc Natl Acad Sci U S A 105:2005-10. 2008
    ..These features clearly show that the genus Acaryochloris is a fitting candidate for understanding genome expansion, gene acquisition, ecological adaptation, and photosystem modification in the cyanobacteria.
  15. ncbi Temporal variations in the dynamics of potentially microcystin-producing strains in a bloom-forming Planktothrix agardhii (Cyanobacterium) population
    Enora Briand
    MNHN, USM505 EA4105 Ecosystèmes et interactions toxiques, 57 rue Cuvier, case 39, 75231 Paris Cedex 05, France
    Appl Environ Microbiol 74:3839-48. 2008
    ..of these two subpopulations, we performed a 2-year survey of a perennial bloom of Planktothrix agardhii (cyanobacteria)...
  16. ncbi Variation in the response of juvenile and adult gastropods (Lymnaea stagnalis) to cyanobacterial toxin (microcystin-LR)
    Claudia Gerard
    UMR Ecobio 6553, Equipe de Physiologie et Ecophysiologie, Universite de Rennes I, Campus de Beaulieu, Avenue du General Leclerc, 35042 Rennes Cedex, France
    Environ Toxicol 20:592-6. 2005
    Owing to the increasing public health problem related to the proliferation of toxin-producing cyanobacteria in aquatic ecosystems, we have investigated the response of the pond snail Lymnaea stagnalis exposed to 33 microg/L microcystin-..
  17. ncbi Is the 16S-23S rRNA internal transcribed spacer region a good tool for use in molecular systematics and population genetics? A case study in cyanobacteria
    S L Boyer
    Department of Biology, John Carroll University, 20700 North Park Boulevard, University Heights, OH 44118, USA
    Mol Biol Evol 18:1057-69. 2001
    ..We review current knowledge of the numbers and kinds of 16S-23S ITS regions present across bacterial groups and plastids, and we discuss broad patterns congruent with higher-level systematics of prokaryotes...
  18. ncbi Nitrogen fixation by marine cyanobacteria
    Jonathan P Zehr
    Department of Ocean Sciences, University of California, Santa Cruz, CA 95064, USA
    Trends Microbiol 19:162-73. 2011
    ..N(2) fixation and nitrogen (N) losses through denitrification have focused research on identifying N(2)-fixing cyanobacteria and quantifying cyanobacterial N(2) fixation...
  19. ncbi Diurnal expression of hetR and diazocyte development in the filamentous non-heterocystous cyanobacterium Trichodesmium erythraeum
    R El-Shehawy
    Department of Botany, Stockholm University, 10691 Stockholm, Sweden
    Microbiology 149:1139-46. 2003
    ..Real-time RT-PCR showed that ntcA, encoding the global nitrogen regulator in cyanobacteria, and hetR, the key regulatory gene in heterocyst differentiation, are both constitutively expressed during a ..
  20. ncbi Compartmentalized function through cell differentiation in filamentous cyanobacteria
    Enrique Flores
    Instituto de Bioqumica Vegetal y Fotosntesis, CSIC and Universidad de Sevilla, Amrico Vespucio 49, E41092 Seville, Spain
    Nat Rev Microbiol 8:39-50. 2010
    Within the wide biodiversity that is found in the bacterial world, Cyanobacteria represents a unique phylogenetic group that is responsible for a key metabolic process in the biosphere - oxygenic photosynthesis - and that includes ..
  21. ncbi Accumulation of free and covalently bound microcystins in tissues of Lymnaea stagnalis (Gastropoda) following toxic cyanobacteria or dissolved microcystin-LR exposure
    Emilie Lance
    UMR CNRS Ecobio 6553, University of Rennes 1, Campus de Beaulieu, 265 Avenue du Général Leclerc, 35042 Rennes Cedex, France
    Environ Pollut 158:674-80. 2010
    ..7 to 66.7% were bound. After depuration, up to 15.3 microg g(-1) DW of bound MCs were detected in snails previously exposed to toxic cyanobacteria, representing a potential source of MCs transfer through the food web.
  22. ncbi Detection of the neurotoxin BMAA within cyanobacteria isolated from freshwater in China
    Aifeng Li
    Key Laboratory of Marine Environmental Sciences and Ecology, Ocean University of China, Qingdao 266100, PR China
    Toxicon 55:947-53. 2010
    ..BMAA was detected within the majority of cyanobacterial isolates surveyed in both free and symbiotic cyanobacteria, living in freshwater as well as marine environments...
  23. ncbi Iron and phosphorus co-limit nitrogen fixation in the eastern tropical North Atlantic
    Matthew M Mills
    Marine Biogeochemistry, , , D-24105 Kiel, Germany
    Nature 429:292-4. 2004
    ..Our results support the hypothesis that aeolian mineral dust deposition promotes nitrogen fixation in the eastern tropical North Atlantic...
  24. ncbi Horizontal gene transfer in cyanobacterial signature genes
    Shailaja Yerrapragada
    Human Genome Sequencing Center Baylor College of Medicine, Houston, Texas, USA
    Methods Mol Biol 532:339-66. 2009
    ..diverse cyanobacterial genomes identified an updated list of 183 signature genes that are widely found in cyanobacteria but absent in non-cyanobacterial species...
  25. ncbi Comparative study of microcystin-LR-induced behavioral changes of two fish species, Danio rerio and Leucaspius delineatus
    Daniela Baganz
    Leibniz Institute of Freshwater Ecology and Inland Fisheries, Biogeochemical Regulation, , 12587 Berlin, Germany
    Environ Toxicol 19:564-70. 2004
    ....
  26. ncbi Visualizing the spatial distribution of secondary metabolites produced by marine cyanobacteria and sponges via MALDI-TOF imaging
    Eduardo Esquenazi
    Department of Biology, University of California, San Diego, 9500 Gilman Dr, La Jolla, CA 92093, USA
    Mol Biosyst 4:562-70. 2008
    Marine cyanobacteria and sponges are prolific sources of natural products with therapeutic applications...
  27. ncbi 2,2'-beta-hydroxylase (CrtG) is involved in carotenogenesis of both nostoxanthin and 2-hydroxymyxol 2'-fucoside in Thermosynechococcus elongatus strain BP-1
    Masako Iwai
    Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Yamazaki, Noda, Chiba, 278 8510, Japan
    Plant Cell Physiol 49:1678-87. 2008
    ..Ketocarotenoids, such as echinenone and 4-ketomyxol, which are unique carotenoids in cyanobacteria, were absent, and genes coding for both beta-carotene ketolases, crtO and crtW, were absent in the genome...
  28. ncbi Emerging patterns of marine nitrogen fixation
    Jill A Sohm
    Department of Biological Sciences and Wrigley Institute for Environmental Studies, University of Southern California, Los Angeles, California 90089, USA
    Nat Rev Microbiol 9:499-508. 2011
    ..However, many questions remain about marine N(2) fixation, including the role of temperature, fixed nitrogen species, CO(2) and physical forcing in controlling N(2) fixation, as well as the potential for heterotrophic N(2) fixation...
  29. ncbi Toxicology and detection methods of the alkaloid neurotoxin produced by cyanobacteria, anatoxin-a
    Joana Osswald
    Interdisciplinary Centre of Marine and Environmental Research CIIMAR, Rua dos Bragas, 289, 4050 123 Porto, Portugal
    Environ Int 33:1070-89. 2007
    ..One of the consequences is the proliferation of cyanobacteria, microphytoplankton organisms that are capable to produce toxins called cyanotoxins...
  30. ncbi The tricarboxylic acid cycle in cyanobacteria
    Shuyi Zhang
    Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA 16802, USA
    Science 334:1551-3. 2011
    It is generally accepted that cyanobacteria have an incomplete tricarboxylic acid (TCA) cycle because they lack 2-oxoglutarate dehydrogenase and thus cannot convert 2-oxoglutarate to succinyl-coenzyme A (CoA)...
  31. ncbi Diverse taxa of cyanobacteria produce beta-N-methylamino-L-alanine, a neurotoxic amino acid
    Paul Alan Cox
    Institute for Ethnomedicine, National Tropical Botanical Garden, Kalaheo, HI 96741, USA
    Proc Natl Acad Sci U S A 102:5074-8. 2005
    b>Cyanobacteria can generate molecules hazardous to human health, but production of the known cyanotoxins is taxonomically sporadic...
  32. ncbi Crystal structure of oxygen-evolving photosystem II at a resolution of 1.9 Å
    Yasufumi Umena
    Department of Chemistry, Graduate School of Science, Osaka City University, 3 3 138 Sugimoto, Sumiyoshi, Osaka 558 8585, Japan
    Nature 473:55-60. 2011
    ..The determination of the high-resolution structure of photosystem II will allow us to analyse and understand its functions in great detail...
  33. ncbi Unicellular cyanobacterial distributions broaden the oceanic N2 fixation domain
    Pia H Moisander
    Department of Ocean Sciences, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
    Science 327:1512-4. 2010
    ..We found that two major groups of unicellular N2-fixing cyanobacteria (UCYN) have distinct spatial distributions that differ from those of Trichodesmium, the N2-fixing ..
  34. ncbi Characterization of cyanobacterial carotenoid ketolase CrtW and hydroxylase CrtR by complementation analysis in Escherichia coli
    Takuya Makino
    School of Fisheries Sciences, Kitasato University, Sanriku cho, Ofunato, 022 0101 Japan
    Plant Cell Physiol 49:1867-78. 2008
    ..b>Cyanobacteria are known to utilize the carotenoid ketolase CrtW and/or CrtO, and the carotenoid hydroxylase CrtR...
  35. ncbi Human fatalities from cyanobacteria: chemical and biological evidence for cyanotoxins
    W W Carmichael
    Department of Biological Sciences, Wright State University, 3640 Colonel Glen Highway, Dayton, OH 45435, USA
    Environ Health Perspect 109:663-8. 2001
    ..5 microg/L microcystin was in the water used for dialysis treatments. This is 19.5 times the level set as a guideline for safe drinking water supplies by the World Health Organization...
  36. ncbi Microbial community gene expression within colonies of the diazotroph, Trichodesmium, from the Southwest Pacific Ocean
    Ian Hewson
    Department of Ocean Sciences, University of California Santa Cruz, Santa Cruz, CA, USA
    ISME J 3:1286-300. 2009
    ..The majority of mRNAs were from the co-occurring microorganisms and not Trichodesmium, including other cyanobacteria, heterotrophic bacteria, eukaryotes and phage...
  37. ncbi Temporal patterns of nitrogenase gene (nifH) expression in the oligotrophic North Pacific Ocean
    Matthew J Church
    Department of Oceanography, University of Hawaii, Honolulu, HI 96822, USA
    Appl Environ Microbiol 71:5362-70. 2005
    ..Five of the nifH phylotypes grouped with sequences from unicellular and filamentous cyanobacteria, and one of the phylotypes clustered with gamma-proteobacteria...
  38. ncbi Cyanobacterial photosystem II at 2.9-A resolution and the role of quinones, lipids, channels and chloride
    Albert Guskov
    Institut fur Chemie und Biochemie Kristallographie, Freie Universitat Berlin, Takustrasse 6, D 14195 Berlin, Germany
    Nat Struct Mol Biol 16:334-42. 2009
    ..The chloride position suggests a role in proton-transfer reactions because it is bound through a putative water molecule to the Mn(4)Ca cluster at a distance of 6.5 A and is close to two possible proton channels...
  39. ncbi Use of degenerate oligonucleotides for amplification of the nifH gene from the marine cyanobacterium Trichodesmium thiebautii
    J P Zehr
    New England Biolabs, Inc, Beverly, Massachusetts 01915
    Appl Environ Microbiol 55:2522-6. 1989
    Trichodesmium spp. are marine filamentous, nonheterocystous, nitrogen-fixing cyanobacteria which are an important component of marine ecosystems...
  40. ncbi The evolutionary diversification of cyanobacteria: molecular-phylogenetic and paleontological perspectives
    Akiko Tomitani
    The Kyoto University Museum, Kyoto University, Yoshida Honmachi, Sakyo, Kyoto 606 8501, Japan
    Proc Natl Acad Sci U S A 103:5442-7. 2006
    b>Cyanobacteria have played a significant role in Earth history as primary producers and the ultimate source of atmospheric oxygen. To date, however, how and when the group diversified has remained unclear...
  41. ncbi A mechanism for slow release of biomagnified cyanobacterial neurotoxins and neurodegenerative disease in Guam
    Susan J Murch
    Institute for Ethnobotany, National Tropical Botanical Garden, Kalaheo, HI 96741, USA
    Proc Natl Acad Sci U S A 101:12228-31. 2004
    As root symbionts of cycad trees, cyanobacteria of the genus Nostoc produce beta-methylamino-l-alanine (BMAA), a neurotoxic nonprotein amino acid...
  42. ncbi Aquatic phototrophs: efficient alternatives to land-based crops for biofuels
    G Charles Dismukes
    Department of Chemistry and Princeton Environmental Institute, Princeton University, Princeton, NJ 08544, USA
    Curr Opin Biotechnol 19:235-40. 2008
    ..the use of biofuels derived from aquatic microbial oxygenic photoautotrophs (AMOPs), more commonly known as cyanobacteria, algae, and diatoms...
  43. ncbi Increased production of zeaxanthin and other pigments by application of genetic engineering techniques to Synechocystis sp. strain PCC 6803
    D Lagarde
    Thallia Pharmaceuticals S A L Orée d Ecully, 69132 Ecully cedex, France
    Appl Environ Microbiol 66:64-72. 2000
    ..In this way, by a combination of overexpression and deletion of particular genes, the carotenoid content of cyanobacteria can be altered significantly.
  44. ncbi The DpsA protein of Synechococcus sp. Strain PCC7942 is a DNA-binding hemoprotein. Linkage of the Dps and bacterioferritin protein families
    M M Pena
    Department of Biological Sciences, Bowling Green State University, Ohio 43403 0212, USA
    J Biol Chem 270:22478-82. 1995
    ..Last, the evolutionary link between the Dps protein family and the bacterioferritins is discussed...
  45. ncbi The photorespiratory glycolate metabolism is essential for cyanobacteria and might have been conveyed endosymbiontically to plants
    Marion Eisenhut
    Institut für Biowissenschaften, Pflanzenphysiologie, Universitat Rostock, Albert Einstein Strasse 3, 18051 Rostock, Germany
    Proc Natl Acad Sci U S A 105:17199-204. 2008
    ..2PG) metabolism is essential for photosynthesis in higher plants but thought to be superfluous in cyanobacteria because of their ability to concentrate CO(2) internally and thereby inhibit photorespiration...
  46. ncbi Transfer of a cyanobacterial neurotoxin within a temperate aquatic ecosystem suggests pathways for human exposure
    Sara Jonasson
    Departments of Botany and Analytical Chemistry, Stockholm University, 10691 Stockholm, Sweden
    Proc Natl Acad Sci U S A 107:9252-7. 2010
    beta-methylamino-L-alanine (BMAA), a neurotoxic nonprotein amino acid produced by most cyanobacteria, has been proposed to be the causative agent of devastating neurodegenerative diseases on the island of Guam in the Pacific Ocean...
  47. ncbi The smallest known genomes of multicellular and toxic cyanobacteria: comparison, minimal gene sets for linked traits and the evolutionary implications
    Karina Stucken
    Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
    PLoS ONE 5:e9235. 2010
    ..9 (CS-505) and 3.2 (D9) Mb, these are the smallest genomes described for free-living filamentous cyanobacteria. We observed remarkable gene order conservation (synteny) between these genomes despite the difference in ..
  48. ncbi Ecology: a niche for cyanobacteria containing chlorophyll d
    Michael Kuhl
    Marine Biological Laboratory, Institute of Biology, University of Copenhagen, 3000 Helsingør, Denmark
    Nature 433:820. 2005
    ..light-harvesting pigment instead of chlorophyll a, the form commonly found in plants, algae and other cyanobacteria; this means that it depends on far-red light for photosynthesis...
  49. ncbi Ammonium assimilation in cyanobacteria
    M Isabel Muro-Pastor
    , Centro de Investigaciones Isla de la Cartuja, Universidad de Sevilla-CSIC, , Seville 41092, Spain. imuro@ ibvf.csic.es
    Photosynth Res 83:135-50. 2005
    In cyanobacteria, after transport by specific permeases, ammonium is incorporated into carbon skeletons by the sequential action of glutamine synthetase (GS) and glutamate synthase (GOGAT)...
  50. ncbi Biomagnification of cyanobacterial neurotoxins and neurodegenerative disease among the Chamorro people of Guam
    Paul Alan Cox
    Institute for Ethnobotany, National Tropical Botanical Garden, Kalaheo, HI 96741, USA
    Proc Natl Acad Sci U S A 100:13380-3. 2003
    ..Free-living cyanobacteria produce 0.3 microg/g BMAA, but produce 2-37 microg/g as symbionts in the coralloid roots of cycad trees...
  51. ncbi Role of oxidative stress and mitochondrial changes in cyanobacteria-induced apoptosis and hepatotoxicity
    Wen Xing Ding
    Department of Pathology, University of Pittsburgh, Pittsburgh, PA 15213, USA
    FEMS Microbiol Lett 220:1-7. 2003
    Microcystins produced by cyanobacteria are potent and specific hepatotoxins; however, the mechanisms of microcystin-induced hepatotoxicity have not been fully elucidated...
  52. ncbi Iron stress in open-ocean cyanobacteria (Synechococcus, Trichodesmium, and Crocosphaera spp.): identification of the IdiA protein
    E A Webb
    Department of Biology, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
    Appl Environ Microbiol 67:5444-52. 2001
    b>Cyanobacteria are prominent constituents of the marine biosphere that account for a significant percentage of oceanic primary productivity...
  53. ncbi Structure of the cytochrome b6f complex of oxygenic photosynthesis: tuning the cavity
    Genji Kurisu
    Department of Biological Sciences, 915 West State Street, Purdue University, West Lafayette, IN 47907 2054, USA
    Science 302:1009-14. 2003
    ..The motion of the Rieske iron-sulfur protein extrinsic domain, essential for electron transfer, must also be different in the b6f complex...
  54. ncbi Differential oxidative stress responses to microcystins LR and RR in intraperitoneally exposed tilapia fish (Oreochromis sp.)
    Ana I Prieto
    Area of Toxicology, Faculty of Pharmacy, University of Seville, , 41012 Seville, Spain
    Aquat Toxicol 77:314-21. 2006
    ..MCs are a family of cyclic peptide toxins produced by some species of freshwater cyanobacteria (blue-green algae). Among the microcystins, MC-LR is the most extensively studied...
  55. ncbi The effects of sub-lethal UV-C irradiation on growth and cell integrity of cyanobacteria and green algae
    Yi Tao
    Research Center for Environmental Engineering and Management, Tsinghua University, Shenzhen, China
    Chemosphere 78:541-7. 2010
    ..ellipsoidea, C. vulgaris, and S. quadricauda, suggesting the potential application of sub-lethal UV-C irradiation for M. aeruginosa bloom control with a predictable low ecological risk...
  56. ncbi Attenuating effects of natural organic matter on microcystin toxicity in zebra fish (Danio rerio) embryos -- benefits and costs of microcystin detoxication
    Jimena Cazenave
    , , , Avda, , , Argentina
    Environ Toxicol 21:22-32. 2006
    ..Physiological responses to microcystins and NOM required energetic costs, which were compensated to the expense of the energy resources of the yolk, which in turn might affect the normal development of embryos...
  57. ncbi Bleaching and stress in coral reef ecosystems: hsp70 expression by the giant barrel sponge Xestospongia muta
    Susanna López-Legentil
    Center for Marine Science, University of North Carolina Wilmington, 5600 Marvin K Moss Lane, Wilmington, NC 28409, USA
    Mol Ecol 17:1840-9. 2008
    ..In contrast, sponges at different salinities were not significantly stressed after the same period of time. Stress associated with increasing seawater temperatures may result in declining sponge populations in coral reef ecosystems...
  58. ncbi Regulation of nitrate assimilation in cyanobacteria
    Yoshitake Ohashi
    Graduate School of Bioagricultural Sciences, Nagoya University, Furo, Chikusa, Nagoya 464 8601, Japan
    J Exp Bot 62:1411-24. 2011
    Nitrate assimilation by cyanobacteria is inhibited by the presence of ammonium in the growth medium. Both nitrate uptake and transcription of the nitrate assimilatory genes are regulated...
  59. ncbi Synthetic biology in cyanobacteria engineering and analyzing novel functions
    Thorsten Heidorn
    Department of Photochemistry and Molecular Science, A ngstro m Laboratories, Uppsala University, Uppsala, Sweden
    Methods Enzymol 497:539-79. 2011
    b>Cyanobacteria are the only prokaryotes capable of using sunlight as their energy, water as an electron donor, and air as a source of carbon and, for some nitrogen-fixing strains, nitrogen...
  60. ncbi Interactions between cyanobacteria and gastropods II. Impact of toxic Planktothrix agardhii on the life-history traits of Lymnaea stagnalis
    Emilie Lance
    Département d Ecologie Fonctionnelle, UMR 6553, Universite de Rennes I, Campus de Beaulieu, Avenue du General Leclerc, 35042 Rennes Cedex, France
    Aquat Toxicol 81:389-96. 2007
    ..in eutrophic freshwaters, the snail Lymnaea stagnalis (Gastropoda: Pulmonata) is particularly exposed to cyanobacteria. The toxic filamentous Planktothrix agardhii is common in temperate lakes and is therefore, a potential food ..
  61. ncbi Highly specialized microbial diversity in hyper-arid polar desert
    Stephen B Pointing
    School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
    Proc Natl Acad Sci U S A 106:19964-9. 2009
    ..The findings show that biodiversity near the cold-arid limit for life is more complex than previously appreciated, but communities lack variability probably due to the high selective pressures of this extreme environment...
  62. ncbi Ionizing-radiation resistance in the desiccation-tolerant cyanobacterium Chroococcidiopsis
    D Billi
    Department of Biological Science, Florida State University, Tallahassee, Florida 32306 1100, USA
    Appl Environ Microbiol 66:1489-92. 2000
    ..The radiation resistance of Chroococcidiopsis strains may reflect the ability of these cyanobacteria to survive prolonged desiccation through efficient repair of the DNA damage that accumulates during dehydration...
  63. ncbi Ultrastructure of Acaryochloris marina, an oxyphotobacterium containing mainly chlorophyll d
    J Marquardt
    ICBM Geomikrobiologie, Carl von Ossietzky Universitat Oldenburg, Germany
    Arch Microbiol 174:181-8. 2000
    ..faces, proposed to represent photosystem II complexes, were significantly larger than the corresponding particles of cyanobacteria and clustered to form large aggregates. This kind of arrangement is unique among photosynthetic organisms.
  64. ncbi Higher diversity of deposit-feeding macrofauna enhances phytodetritus processing
    Agnes M L Karlson
    Department of Systems Ecology, Stockholm University, SE 106 91 Stockholm, Sweden
    Ecology 91:1414-23. 2010
    ....
  65. ncbi Biogeography of thermophilic cyanobacteria: insights from the Zerka Ma'in hot springs (Jordan)
    Danny Ionescu
    Department of Plant and Environmental Sciences, The Moshe Shilo Minerva Center for Marine Biogeochemistry, The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
    FEMS Microbiol Ecol 72:103-13. 2010
    ..We have investigated the molecular diversity of the cyanobacteria in the springs...
  66. ncbi Deg/HtrA proteases as components of a network for photosystem II quality control in chloroplasts and cyanobacteria
    Pitter F Huesgen
    Department of Plant Physiology and Biochemistry, University of Konstanz, Universitatsstrasse 10, D 78457 Konstanz, Germany
    Res Microbiol 160:726-32. 2009
    ..This review summarizes the literature on the ATP-independent Deg/HtrA family of serine endopeptidases in cyanobacteria and chloroplasts of higher plants, and discusses their role in D1 protein degradation...
  67. ncbi Myxoxanthophyll in Synechocystis sp. PCC 6803 is myxol 2'-dimethyl-fucoside, (3R,2'S)-myxol 2'-(2,4-di-O-methyl-alpha-L-fucoside), not rhamnoside
    S Takaichi
    Biological Laboratory, Nippon Medical School, Kawasaki, 211 0063 Japan
    Plant Cell Physiol 42:756-62. 2001
    ..Generally, the group of polar carotenoids in cyanobacteria is referred to as myxoxanthophyll, and the structure is considered to be myxol 2'-rhamnoside...
  68. ncbi Effect of iron on growth and ultrastructure of Acaryochloris marina
    Wesley D Swingley
    Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ 85287-1604, USA
    Appl Environ Microbiol 71:8606-10. 2005
    ..These high-iron cultures showed an ultrastructure with thylakoid stacks that resemble traditional cyanobacteria (unlike previous studies)...
  69. ncbi An efficient DNA isolation protocol for filamentous cyanobacteria of the genus Arthrospira
    Nicolas Morin
    Expert group for Molecular and Cellular Biology, Belgian Nuclear Research Center SCK CEN, 2400 Mol, Belgium
    J Microbiol Methods 80:148-54. 2010
    Thanks to their photosynthetic and nutritive properties, cyanobacteria of the Arthrospira genus are of interest as food supplements, as efficient oxygen producing life support system organisms for manned space flight, and for the ..
  70. ncbi Community phylogenetic analysis of moderately thermophilic cyanobacterial mats from China, the Philippines and Thailand
    Jing Hongmei
    Department of Ecology and Biodiversity, The University of Hong Kong, China
    Extremophiles 9:325-32. 2005
    ..Other genotypes were more closely affiliated to geographically remote counterparts from similar habitats suggesting that adaptation to certain niches is also important...
  71. ncbi The origin of multicellularity in cyanobacteria
    Bettina E Schirrmeister
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
    BMC Evol Biol 11:45. 2011
    b>Cyanobacteria are one of the oldest and morphologically most diverse prokaryotic phyla on our planet. The early development of an oxygen-containing atmosphere approximately 2.45-2...
  72. ncbi New tricks from ancient algae: natural products biosynthesis in marine cyanobacteria
    Adam C Jones
    Scripps Institution of Oceanography and Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
    Curr Opin Chem Biol 13:216-23. 2009
    b>Cyanobacteria, among Earth's oldest organisms, have evolved sophisticated biosynthetic pathways to produce a rich arsenal of bioactive natural products...
  73. ncbi A perspective: photosynthetic production of fatty acid-based biofuels in genetically engineered cyanobacteria
    Xuefeng Lu
    Key Laboratory of Biofuels, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
    Biotechnol Adv 28:742-6. 2010
    ..In this perspective, the potential of using photosynthetic microbes (cyanobacteria in particular) in the solar energy driven conversion of carbon dioxide to fatty acid-based biofuels is explored...
  74. ncbi Fossil evidence of Archaean life
    J William Schopf
    University of California, Department of Earth and Space Sciences, Institute of Geophysics and Planetary Physics Center for the Study of Evolution and the Origin of Life, Los Angeles, CA 90095, USA
    Philos Trans R Soc Lond B Biol Sci 361:869-85. 2006
    ..These compilations support the view that life's existence dates from more than or equal to 3500 Myr ago...
  75. ncbi Internal ecosystem feedbacks enhance nitrogen-fixing cyanobacteria blooms and complicate management in the Baltic Sea
    Emil Vahtera
    Department of Biological Oceanography, Finnish Institute of Marine Research, Helsinki, Finland
    Ambio 36:186-94. 2007
    Eutrophication of the Baltic Sea has potentially increased the frequency and magnitude of cyanobacteria blooms...
  76. ncbi Climate. Blooms like it hot
    Hans W Paerl
    Institute of Marine Sciences, University of North Carolina at Chapel Hill, Morehead City, NC 28557, USA
    Science 320:57-8. 2008
  77. ncbi Phylogenetic analyses of cyanobacterial genomes: quantification of horizontal gene transfer events
    Olga Zhaxybayeva
    Genome Atlantic and Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia B3H 1X5, Canada
    Genome Res 16:1099-108. 2006
    ..11 completely sequenced cyanobacterial genomes, we attempt to quantify horizontal gene transfer events within cyanobacteria, as well as between cyanobacteria and other phyla...
  78. ncbi Biocomputational prediction of non-coding RNAs in model cyanobacteria
    Björn Voss
    University of Freiburg, Faculty of Biology, Genetics and Experimental Bioinformatics, Freiburg, Germany
    BMC Genomics 10:123. 2009
    ..Previous work revealed a relatively high number of ncRNAs in some marine cyanobacteria. However, for efficient genetic and biochemical analysis it would be desirable to identify a set of ncRNA ..
  79. ncbi Genetic evidence of a major role for glucose-6-phosphate dehydrogenase in nitrogen fixation and dark growth of the cyanobacterium Nostoc sp. strain ATCC 29133
    M L Summers
    Section of Microbiology, University of California, Davis 95616, USA
    J Bacteriol 177:6184-94. 1995
    Heterocysts, sites of nitrogen fixation in certain filamentous cyanobacteria, are limited to a heterotrophic metabolism, rather than the photoautotrophic metabolism characteristic of cyanobacterial vegetative cells...
  80. ncbi Abundances and distributions of the dominant nifH phylotypes in the Northern Atlantic Ocean
    Rebecca J Langlois
    Leibniz Institute for Marine Sciences, Duesternbrooker Weg 20, 24105 Kiel, Germany
    Appl Environ Microbiol 74:1922-31. 2008
    ..The uncultured cluster III phylotype was uncommon (0.4%) and was associated with mean water temperatures of 18 degrees C. Diazotroph abundance was highest in regions where modeled average dust deposition was between 1 and 2 g/m(2)/year...
  81. ncbi Nezha, a novel active miniature inverted-repeat transposable element in cyanobacteria
    Fengfeng Zhou
    Computational Systems Biology Laboratory, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, Athens, GA 30602, USA
    Biochem Biophys Res Commun 365:790-4. 2008
    ..But very few MITEs have been characterized in bacteria. We identified a novel MITE, called Nezha, in cyanobacteria Anabaena variabilis ATCC 29413 and Nostoc sp. PCC 7120...
  82. ncbi Succinate:quinol oxidoreductases in the cyanobacterium synechocystis sp. strain PCC 6803: presence and function in metabolism and electron transport
    J W Cooley
    Department of Plant Biology and Center for the Study of the Early Events in Photosynthesis, Arizona State University, Tempe, Arizona 85287 1601, USA
    J Bacteriol 182:714-22. 2000
    ....
  83. ncbi Interactions between cyanobacteria and gastropods I. Ingestion of toxic Planktothrix agardhii by Lymnaea stagnalis and the kinetics of microcystin bioaccumulation and detoxification
    Emilie Lance
    , UMR Ecobio 6553, , Campus de Beaulieu, , 35042 Rennes Cedex, France
    Aquat Toxicol 79:140-8. 2006
    ..Among the intracellular toxins produced by cyanobacteria, microcystins (hepatotoxins) are the most frequent and widely studied...
  84. ncbi The cyanobacterium Gloeobacter violaceus PCC 7421 uses bacterial-type phytoene desaturase in carotenoid biosynthesis
    Tohru Tsuchiya
    Department of Technology and Ecology, Hall of Global Environmental Research, Kyoto University, Kyoto 606 8501, Japan
    FEBS Lett 579:2125-9. 2005
    ..We also revealed that echinenone synthesis is catalyzed by CrtW rather than CrtO. These findings indicated that Gloeobacter retains ancestral properties of carotenoid biosynthesis...
  85. ncbi Apratoxin D, a potent cytotoxic cyclodepsipeptide from papua new guinea collections of the marine cyanobacteria Lyngbya majuscula and Lyngbya sordida
    Marcelino Gutierrez
    Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography and Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California at San Diego, La Jolla, California 92093, USA
    J Nat Prod 71:1099-103. 2008
    Cancer cell toxicity-guided fractionation of extracts of the Papua New Guinea marine cyanobacteria Lyngbya majuscula and Lyngbya sordida led to the isolation of apratoxin D (1)...
  86. ncbi Adaptation of cyanobacteria to UV-B stress correlated with oxidative stress and oxidative damage
    Yu-Ying He
    , , Erlangen, German
    Photochem Photobiol 76:188-96. 2002
    b>Cyanobacteria must cope with the negative effects of ultraviolet B (280-315 nm) (UV-B) stress caused by their obligatory light requirement for photosynthesis. The adaptation of the cyanobacterium Anabaena sp...
  87. ncbi The role of microcystin-LR in the induction of apoptosis and oxidative stress in CaCo2 cells
    Nicolette Botha
    Department of Biochemistry and Microbiology, University of Port Elizabeth, P.O. Box 1600, Port Elizabeth 6000, South Africa
    Toxicon 43:85-92. 2004
    The increasing presence of toxic cyanobacteria in drinking and recreational water bodies, and their potential to impact on human and animal health is cause for concern...
  88. ncbi Transcriptional and post-transcriptional regulation of the circadian clock of cyanobacteria and Neurospora
    Michael Brunner
    Biochemie Zentrum der Universitat Heidelberg, 69120 Heidelberg, Germany
    Genes Dev 20:1061-74. 2006
    ..In cyanobacteria, three clock proteins have the capacity to generate a self-sustained circadian rhythm of autophosphorylation ..
  89. ncbi The role of microbial mats in the production of reduced gases on the early Earth
    T M Hoehler
    Exobiology Branch, NASA Ames Research Center, Moffett Field, CA 94035 1000, USA
    Nature 412:324-7. 2001
    ..Here we report that in modern, cyanobacteria-dominated mats from hypersaline environments in Guerrero Negro, Mexico, photosynthetic microorganisms generate ..
  90. ncbi Hypolithic community shifts occur as a result of liquid water availability along environmental gradients in China's hot and cold hyperarid deserts
    Stephen B Pointing
    School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
    Environ Microbiol 9:414-24. 2007
    ....
  91. ncbi Cyanobacteria and BMAA exposure from desert dust: a possible link to sporadic ALS among Gulf War veterans
    Paul Alan Cox
    Institute for Ethnomedicine, Jackson Hole, Wyoming 83001 3464, USA
    Amyotroph Lateral Scler 10:109-17. 2009
    ..Seeking to identify biologically plausible environmental exposures, we have focused on inhalation of cyanobacteria and cyanotoxins carried by dust in the Gulf region, particularly Qatar...
  92. ncbi N2 fixation by unicellular bacterioplankton from the Atlantic and Pacific oceans: phylogeny and in situ rates
    Luisa I Falcón
    Marine Sciences Research Center, Stony Brook University, Stony Brook, New York 11794 5000, USA
    Appl Environ Microbiol 70:765-70. 2004
    N2-fixing proteobacteria (alpha and gamma) and unicellular cyanobacteria are common in both the tropical North Atlantic and Pacific oceans...
  93. ncbi Genetics of eubacterial carotenoid biosynthesis: a colorful tale
    G A Armstrong
    Institute for Plant Sciences, Plant Genetics, Swiss Federal Institute of Technology ETH, Zurich
    Annu Rev Microbiol 51:629-59. 1997
    ..eubacterial community, yellow, orange, and red carotenoids are produced by anoxygenic photosynthetic bacteria, cyanobacteria, and certain species of nonphotosynthetic bacteria...
  94. ncbi Origins of a cyanobacterial 6-phosphogluconate dehydrogenase in plastid-lacking eukaryotes
    Shinichiro Maruyama
    Department of Biological Sciences, Graduate School of Science, University of Tokyo, 7 3 1 Hongo, Bunkyo, Tokyo 113 0033, Japan
    BMC Evol Biol 8:151. 2008
    ....
  95. ncbi Carotenoids and carotenogenesis in cyanobacteria: unique ketocarotenoids and carotenoid glycosides
    S Takaichi
    Department of Biology, Nippon Medical School, Kawasaki, 211 0063, Japan
    Cell Mol Life Sci 64:2607-19. 2007
    b>Cyanobacteria grow by photosynthesis, and necessarily contain chlorophyll and carotenoids, whose main functions are light harvesting and photoprotection...
  96. ncbi Regulation of the distribution of chlorophyll and phycobilin-absorbed excitation energy in cyanobacteria. A structure-based model for the light state transition
    Michael D McConnell
    Department of Biological Sciences, Brock University, St. Catharines, Ontario, Canada L2S 3A1
    Plant Physiol 130:1201-12. 2002
    ..In cyanobacteria, there is evidence for the redistribution of energy absorbed by both chlorophyll (Chl) and by phycobilin ..
  97. ncbi Ecological genomics of marine picocyanobacteria
    D J Scanlan
    Department of Biological Sciences, University of Warwick, Coventry CV4 7AL, United Kingdom
    Microbiol Mol Biol Rev 73:249-99. 2009
    ....
  98. ncbi Insertion Sequences show diverse recent activities in Cyanobacteria and Archaea
    Fengfeng Zhou
    Computational Systems Biology Laboratory, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, Athens, GA 30602, USA
    BMC Genomics 9:36. 2008
    ..Mobile genetic elements (MGEs) play an essential role in genome rearrangement and evolution, and are widely used as an important genetic tool...
  99. ncbi A guide to geosmin- and MIB-producing cyanobacteria in the United States
    G Izaguirre
    Water Quality Section, Metropolitan Water District of Southern California, La Verne, California 91750 3399, USA
    Water Sci Technol 49:19-24. 2004
    A guide to confirmed geosmin- and MIB-producing cyanobacteria isolated in the United States is being prepared...
  100. ncbi Bacterial life and dinitrogen fixation at a gypsum rock
    Gudrun Boison
    Botanical Institute, The University of Cologne, Gyrhofstr. 15, D-50923 Cologne, Germany
    Appl Environ Microbiol 70:7070-7. 2004
    ..Chroococcidiopsis at the gypsum rock, unless the activity is due to minute amounts of other, very active cyanobacteria. Phylogenetic analysis of nifH sequences tends to suggest that molybdenum nitrogenase 2 is characteristic of ..
  101. ncbi Culture of the marine cyanobacterium, Lyngbya majuscula (Oscillatoriaceae), for bioprocess intensified production of cyclic and linear lipopeptides
    A M Burja
    Department of Mechanical and Chemical Engineering, Heriot-Watt University, Riccarton, Edinburgh, EH14 4AS, Scotland, UK
    J Microbiol Methods 48:207-19. 2002
    b>Cyanobacteria are an ancient and diverse group of photosynthetic microorganisms, which inhabit many different and extreme environments...

Research Grants72

  1. FTIR STUDY OF SIGNAL TRANSDUCTION IN SENSORY RHODOPSINS
    Kenneth J Rothschild; Fiscal Year: 2010
    ..SRI and SRII from archaebacteria, which control phototaxis, Anabaena sensory rhodopsin (ASR) from freshwater cyanobacteria, which functions as photochromic sensors, some forms of proteorhodopsin (PR) found in marine bacteria, which ..
  2. Problems in Membrane Protein Crystallography: Hetero-Oligomeric Cytochrome b6f
    WILLIAM CRAMER; Fiscal Year: 2009
    ..b6f complex cannot be isolated from transformable unicellular cyanobacteria because the b6f dimer is monomerized and rendered inactive and non-crystallizable upon extraction from the ..
  3. Problems in Membrane Protein Crystallography: Hetero-Oligomeric Cytochrome b6f
    William A Cramer; Fiscal Year: 2010
    ..b6f complex cannot be isolated from transformable unicellular cyanobacteria because the b6f dimer is monomerized and rendered inactive and non-crystallizable upon extraction from the ..
  4. STRUCTURE/FUNCTION OF PHOTOSYNTHETIC CYTOCHROME COMPLEX
    WILLIAM CRAMER; Fiscal Year: 1993
    ..iv) Inhibitor-resistant mutants to the inhibitor NQNO will be isolated from the cyanobacteria, Synechococcus sp. PCC 7002 and 7942, and their loci determined by sequencing petD and petB genes...
  5. STRUCTURES OF ANTIBIOTICS AND RELATED COMPOUNDS
    KENNETH RINEHART; Fiscal Year: 1999
    ..immunomodulatory, and cytotoxic activities will also be sought and identified in extensive collections of cyanobacteria (blue-green algae), insects, and plant species...
  6. The mechanism of signal transduction in photoreceptors
    Hartmut Luecke; Fiscal Year: 2006
    ..retinylidene proteins found in phylogenetically diverse microorganisms, including haloarchaea, proteobacteria, cyanobacteria, fungi, and algae...
  7. Biosynthesis of Microbial Isoprenoids
    David E Cane; Fiscal Year: 2010
    ....
  8. ANTICANCER AGENTS FROM CYANOPHYTES AND MARINE ORGANISMS
    Richard Moore; Fiscal Year: 1993
    The main goal of this research is to discover new natural products from blue-green algae (cyanobacteria) and marine animals possessing algal symbionts that will be useful as drugs in the treatment of cancer or its prevention and/or as ..
  9. ANTITUMOR AGENTS FROM BLUE-GREEN ALGAE
    Richard Moore; Fiscal Year: 2002
    The long term goal of this research is to discover new antitumor drugs from blue-green algae (cyanobacteria)...
  10. PHARMACOPHORE INTERACTIONS WITH TUBULIN OF CRYPTOPHYCINS
    Gunda Georg; Fiscal Year: 2001
    ..Suitable candidates will be selected and used to study the ligand-protein interactions in fluorescent, photoaffinity and electrophilic labeling studies. ..
  11. CATALASE AND PHOTOSYNTHETIC WATER OXIDASE
    G Dismukes; Fiscal Year: 1993
    ..is so complex that only a single type of enzymatic site has been identified in nature, from the most primitive cyanobacteria to present day plants...
  12. Structural Biology of the S. elongatus Circadian Clock
    Martin Egli; Fiscal Year: 2010
    ..The endogenous circadian system in cyanobacteria exerts pervasive control over cellular processes including global gene expression...
  13. Zebrafish Embryos as a Model for Cyanobacterial Toxins
    John Berry; Fiscal Year: 2007
    b>Cyanobacteria, or "blue-green algae," particularly in freshwater habitats, are recognized to produce an array of potently toxic compounds...
  14. Specificity/Regulation of Cyanobacterial ABC Transporters
    Nicole Koropatkin; Fiscal Year: 2007
    ..particularly carbon dioxide, is through manipulation of the natural carbon-sequestering mechanisms of aquatic cyanobacteria. One significant factor limiting carbon sequestration in these organisms is the low bioavailability of iron...
  15. Studies of redox-active sites in Photosystem II
    Victor S Batista; Fiscal Year: 2010
    ..metalloprotein complex found in the thylakoid membrane of green-plant chloroplasts and internal membranes of cyanobacteria. PSII establishes the membrane pH-gradient necessary for ATP synthesis, producing dioxygen by oxidation of ..
  16. DEVELOPMENTAL GENOME REARRANGEMENT OF NIF GENES
    James Golden; Fiscal Year: 2002
    ..This multicellular growth pattern, the distinct phylogeny of cyanobacteria, and the suspected antiquity of heterocyst development make this an interesting model system...