Expression of nifH, hetR, and ndaF genes in Nodularia spumigena under nitrogen sources

References

• Bothe , H . 1982 . “ Nitrogen fixation ” . In The biology of Cyanobacteria , Edited by: Carr , N G and Whitton , B A . 87 – 104 . Oxford : Blackwell Scientific Publications .
   Google Scholar
• Capone , D G . 1993 . “ Determination of nitrogenase activity in aquatic samples using the acetylene reduction procedure ” . In Handbook of methods in aquatic microbial ecology 621 – 631 .
   Google Scholar
• Dittmann , E and Wiegand , C . 2006 . Cyanobacterial toxins – occurrence, biosynthesis and impact on human affairs . Mol Nutr Food Res , 50 : 7 – 17 .
   PubMed Web of Science ®Google Scholar
• Eaton , A D , Clesceri , L S and Greenberg , A E . 1995a . “ Phenate method ” . In Standard methods for the examination of water and wastewater , 4.80 – 4.81 . Washington , DC : American Public Health Association .
   Google Scholar
• Eaton , A D , Clesceri , L S and Greenberg , A E . 1995b . “ Ultraviolet spectrophotometric screening method ” . In Standard methods for the examination of water and wastewater , 4.85 – 4.86 . Washington , DC : American Public Health Association .
   Google Scholar
• Ehira , S and Ohmori , M . 2006 . NrrA directly regulates expression of hetR during heterocyst differentiation in the cyanobacterium Anabaena sp. strain PCC 7120 . J Bacteriol , 188 : 8520 – 8525 .
   PubMed Web of Science ®Google Scholar
• El-Shehawy , R , Lugomela , C , Ernst , A and Bergman , B . 2003 . Diurnal expression of hetR and diazocyte development in the filamentous non-heterocystous cyanobacterium Trichodesmium erythraeum . Microbiology , 149 : 1139 – 1146 .
   PubMed Web of Science ®Google Scholar
• Flores , E and Herrero , A . 1994 . “ Assimilatory nitrogen metabolism and its regulation ” . In The molecular biology of cyanobacteria , Edited by: Bryant , D A . 487 – 517 . Dordrecht : Kluwer Academic Publishers .
   Google Scholar
• Flores , E and Herrero , A . 2006 . Nitrogen assimilation and nitrogen control in cyanobacteria . Biochem Soc Trans , 33 : 164 – 167 .
   Web of Science ®Google Scholar
• Guerrero , M G and Lara , C . 1987 . “ Assimilation of inorganic nitrogen ” . In The cyanobacteria , Edited by: Fay , P and Van Baalen , C . 163 – 185 . Amsterdam : Elsevier Science .
   Google Scholar
• Haselkorn , R . 2007 . “ Heterocyst differentiation and nitrogen fixation in cyanobacteria ” . In Associative and endophytic nitrogen-fixing bacteria and cyanobacterial associations , Edited by: Elmerich , C and Newton , W E . 233 – 256 . Dordrecht : Springer .
   Google Scholar
• Herrero , A , Muro-Pastor , A and Flores , E . 2001 . Nitrogen control in cyanobacteria . J Bacteriol , 183 : 411 – 425 .
   PubMed Web of Science ®Google Scholar
• Huang , X , Dong , Y and Zhao , J . 2004 . HetR homodimer is a DNA-binding protein required for heterocyst differentiation, and the DNA-binding activity is inhibited . PatS Proc Natl Acad Sci USA , 101 : 4848 – 4853 .
   PubMed Web of Science ®Google Scholar
• Johanssen , S , Vintila , S , Sivonen , K and El-Shehawy , R . 2008 . Expression of the nodularin synthetase genes in the Baltic Sea bloom-former cyanobacterium Nodularia spumigena strain AV1 . FEMS Microbiol Ecol , 65 : 31 – 39 .
   PubMed Web of Science ®Google Scholar
• Kaebernick , M and Neilan , B A . 2001 . Ecological and molecular investigations of cyanotoxin production . FEMS Microbiol Ecol , 35 : 1 – 9 .
   PubMed Web of Science ®Google Scholar
• Larsson , U , Elmgren , R and Wulff , F . 1985 . Eutrophication and the Baltic Sea – causes and consequences . Ambio , 14 : 9 – 14 .
   Web of Science ®Google Scholar
• Lehtimäki , J , Moisander , P , Sivonen , K and Kononen , K . 1997 . Growth, nitrogen fixation, and nodularin production by two Baltic Sea cyanobacteria . Appl Environ Microbiol , 63 : 1647 – 1656 .
   PubMed Web of Science ®Google Scholar
• Lundberg , C , Lonnroth , M , Von Numers , M and Bonsdorff , E . 2005 . A multivariate assessment of coastal eutrophication . Examples from the Gulf of Finland, northern Baltic Sea. Mar Poll Bull , 50 : 1185 – 1196 .
   PubMed Web of Science ®Google Scholar
• Mazur-Marzec , H , Zeglinska , L and Plinski , M . 2005 . The effect of salinity on the growth, toxin production, and morphology of Nodularia spumigena isolated from the Gulf of Gdansk, southern Baltic Sea . J Appl Phycol , 17 : 171 – 179 .
   Web of Science ®Google Scholar
• Meeks , J C and Elhai , J . 2002 . Regulation of cellular differentiation in filamentous cyanobacteria in free-living and plant-associated symbiotic growth states . Microbiol Mol Biol Rev , 66 : 94 – 121 .
   PubMed Web of Science ®Google Scholar
• Moffitt , M C and Neilan , B A . 2001 . The presence of peptide synthetase and polyketide synthase genes in the cyanobacterial genus Nodularia . FEMS Microbiol Lett , 196 : 207 – 214 .
   PubMed Web of Science ®Google Scholar
• Muro-Pastor , A M , Valladares , A , Flores , E and Herrero , A . 2002 . Mutual dependence of the expression of the cell differentiation regulatory protein HetR and the global nitrogen regulator NtcA during heterocyst development . Mol Microbiol , 44 : 1377 – 1385 .
   PubMed Web of Science ®Google Scholar
• Pearson , L A , Hisbergues , M , Börner , T , Dittmann , E and Neilan , B. A . 2004 . Inactivation of an ABC transporter gene, mcyH, results in loss of microcystin production in the cyanobacterium Microcystis aeruginosa PCC 7806 . Appl Environ Microbiol , 70 : 6370 – 6378 .
   PubMed Web of Science ®Google Scholar
• Raateoja , M , Seppala , J , Kuosa , H and Myrberg , K . 2005 . Recent changes in tropic state of the Baltic Sea along SW coast of Finland . Ambio , 34 : 188 – 191 .
   PubMed Web of Science ®Google Scholar
• Sgromo , C , Colao , C , Reale , L , Orlandi , F , Rugini , E , Fornaciari , M , Ferranti , F , Muleo , R and Romano , B . 2010 . Isolation and expression analysis of organelle genes involved in the development of olive flowers (Olea europaea L.) . Plant Biosyst , 144 : 733 – 739 .
   Web of Science ®Google Scholar
• Sivonen , K , Kononen , K , Esala , A L and Niemela , S I . 1989 . Toxicity and isolation of the cyanobacterium Nodularia spumigena from the southern Baltic Sea in 1986 . Hydrobiologia , 185 : 3 – 8 .
   Web of Science ®Google Scholar
• Stolte , W , Karlsson , C , Carlsson , P and Graneli , E . 2002 . Modeling the increase of nodularin content in Baltic Sea Nodularia spumigena during stationary phase in phosphorus-limited batch cultures . FEMS Microbiol Ecol , 41 : 211 – 220 .
   PubMed Web of Science ®Google Scholar
• Thiel , T . 2004 . “ Nitrogen fixation in heterocyst-forming cyanobacteria ” . In Genetics and regulation of nitrogen fixation in free-living bacteria , Edited by: Klipp , W , Masepohl , B , Gallon , J R and Newton , W E . 73 – 110 . Dordrecht : Kluwer Academic Publishers .
   Google Scholar
• Thiel , T and Pratte , B . 2001 . Effect on heterocyst differentiation of nitrogen fixation in vegetative cells of the cyanobacterium Anabaena variabilis ATCC 29413 . J Bacteriol , 183 : 280 – 286 .
   PubMed Web of Science ®Google Scholar
• Vintila , S and El-Shehawy , R . 2007 . Ammonium ions inhibit nitrogen fixation but do not affect heterocyst frequency in the bloom-forming cyanobacterium Nodularia spumigena strain AV1 . Microbiology , 153 : 3704 – 3712 .
   PubMed Web of Science ®Google Scholar
• Wasmund , N , Nausch , G , Schneider , B , Nagel , K and Voss , M . 2005 . Comparison of nitrogen fixation rates determined with different methods: A study in the Baltic Proper . Mar Ecol Prog Ser , 297 : 23 – 31 .
   Web of Science ®Google Scholar