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What's in a name? The case of cyanobacteria.

Garcia-Pichel F, Zehr JP, Bhattacharya D, Pakrasi HB.

J Phycol. 2019 Oct 16. doi: 10.1111/jpy.12934. [Epub ahead of print]


Diversity, Genomics, and Distribution of Phytoplankton-Cyanobacterium Single-Cell Symbiotic Associations.

Foster RA, Zehr JP.

Annu Rev Microbiol. 2019 Sep 8;73:435-456. doi: 10.1146/annurev-micro-090817-062650.


Kīlauea lava fuels phytoplankton bloom in the North Pacific Ocean.

Wilson ST, Hawco NJ, Armbrust EV, Barone B, Björkman KM, Boysen AK, Burgos M, Burrell TJ, Casey JR, DeLong EF, Dugenne M, Dutkiewicz S, Dyhrman ST, Ferrón S, Follows MJ, Foreman RK, Funkey CP, Harke MJ, Henke BA, Hill CN, Hynes AM, Ingalls AE, Jahn O, Kelly RL, Knapp AN, Letelier RM, Ribalet F, Shimabukuro EM, Tabata RKS, Turk-Kubo KA, White AE, Zehr JP, John S, Karl DM.

Science. 2019 Sep 6;365(6457):1040-1044. doi: 10.1126/science.aax4767.


Hopanoid lipids may facilitate aerobic nitrogen fixation in the ocean.

Cornejo-Castillo FM, Zehr JP.

Proc Natl Acad Sci U S A. 2019 Sep 10;116(37):18269-18271. doi: 10.1073/pnas.1908165116. Epub 2019 Aug 26.


Temporal variability of diazotroph community composition in the upwelling region off NW Iberia.

Moreira-Coello V, Mouriño-Carballido B, Marañón E, Fernández-Carrera A, Bode A, Sintes E, Zehr JP, Turk-Kubo K, Varela MM.

Sci Rep. 2019 Mar 6;9(1):3737. doi: 10.1038/s41598-019-39586-4.


The Transcriptional Cycle Is Suited to Daytime N2 Fixation in the Unicellular Cyanobacterium "Candidatus Atelocyanobacterium thalassa" (UCYN-A).

Muñoz-Marín MDC, Shilova IN, Shi T, Farnelid H, Cabello AM, Zehr JP.

mBio. 2019 Jan 2;10(1). pii: e02495-18. doi: 10.1128/mBio.02495-18.


Symbiotic unicellular cyanobacteria fix nitrogen in the Arctic Ocean.

Harding K, Turk-Kubo KA, Sipler RE, Mills MM, Bronk DA, Zehr JP.

Proc Natl Acad Sci U S A. 2018 Dec 26;115(52):13371-13375. doi: 10.1073/pnas.1813658115. Epub 2018 Dec 11.


UCYN-A3, a newly characterized open ocean sublineage of the symbiotic N2 -fixing cyanobacterium Candidatus Atelocyanobacterium thalassa.

Cornejo-Castillo FM, Muñoz-Marín MDC, Turk-Kubo KA, Royo-Llonch M, Farnelid H, Acinas SG, Zehr JP.

Environ Microbiol. 2019 Jan;21(1):111-124. doi: 10.1111/1462-2920.14429. Epub 2018 Nov 8.


Effects of nutrient enrichment on surface microbial community gene expression in the oligotrophic North Pacific Subtropical Gyre.

Robidart JC, Magasin JD, Shilova IN, Turk-Kubo KA, Wilson ST, Karl DM, Scholin CA, Zehr JP.

ISME J. 2019 Feb;13(2):374-387. doi: 10.1038/s41396-018-0280-0. Epub 2018 Sep 25.


Diverse diazotrophs are present on sinking particles in the North Pacific Subtropical Gyre.

Farnelid H, Turk-Kubo K, Ploug H, Ossolinski JE, Collins JR, Van Mooy BAS, Zehr JP.

ISME J. 2019 Jan;13(1):170-182. doi: 10.1038/s41396-018-0259-x. Epub 2018 Aug 16.


Periodic and coordinated gene expression between a diazotroph and its diatom host.

Harke MJ, Frischkorn KR, Haley ST, Aylward FO, Zehr JP, Dyhrman ST.

ISME J. 2019 Jan;13(1):118-131. doi: 10.1038/s41396-018-0262-2. Epub 2018 Aug 16.


In Situ Diazotroph Population Dynamics Under Different Resource Ratios in the North Pacific Subtropical Gyre.

Turk-Kubo KA, Connell P, Caron D, Hogan ME, Farnelid HM, Zehr JP.

Front Microbiol. 2018 Jul 25;9:1616. doi: 10.3389/fmicb.2018.01616. eCollection 2018.


Distributions and Abundances of Sublineages of the N2-Fixing Cyanobacterium Candidatus Atelocyanobacterium thalassa (UCYN-A) in the New Caledonian Coral Lagoon.

Henke BA, Turk-Kubo KA, Bonnet S, Zehr JP.

Front Microbiol. 2018 Apr 5;9:554. doi: 10.3389/fmicb.2018.00554. eCollection 2018.


How microbes survive in the open ocean.

Zehr JP, Weitz JS, Joint I.

Science. 2017 Aug 18;357(6352):646-647. doi: 10.1126/science.aan5764. No abstract available.


Coordinated regulation of growth, activity and transcription in natural populations of the unicellular nitrogen-fixing cyanobacterium Crocosphaera.

Wilson ST, Aylward FO, Ribalet F, Barone B, Casey JR, Connell PE, Eppley JM, Ferrón S, Fitzsimmons JN, Hayes CT, Romano AE, Turk-Kubo KA, Vislova A, Armbrust EV, Caron DA, Church MJ, Zehr JP, Karl DM, DeLong EF.

Nat Microbiol. 2017 Jul 31;2:17118. doi: 10.1038/nmicrobiol.2017.118.


Erratum: Unusual marine unicellular symbiosis with the nitrogen-fixing cyanobacterium UCYN-A.

Zehr JP, Shilova IN, Farnelid HM, Muñoz-Marín MD, Turk-Kubo KA.

Nat Microbiol. 2017 Jan 23;2:17016. doi: 10.1038/nmicrobiol.2017.16. No abstract available.


Unusual marine unicellular symbiosis with the nitrogen-fixing cyanobacterium UCYN-A.

Zehr JP, Shilova IN, Farnelid HM, Muñoz-Marín MD, Turk-Kubo KA.

Nat Microbiol. 2016 Dec 20;2:16214. doi: 10.1038/nmicrobiol.2016.214. Review. Erratum in: Nat Microbiol. 2017 Jan 23;2:17016.


Distinct ecological niches of marine symbiotic N2 -fixing cyanobacterium Candidatus Atelocyanobacterium thalassa sublineages.

Turk-Kubo KA, Farnelid HM, Shilova IN, Henke B, Zehr JP.

J Phycol. 2017 Apr;53(2):451-461. doi: 10.1111/jpy.12505. Epub 2017 Jan 28.


Diazotroph Diversity in the Sea Ice, Melt Ponds, and Surface Waters of the Eurasian Basin of the Central Arctic Ocean.

Fernández-Méndez M, Turk-Kubo KA, Buttigieg PL, Rapp JZ, Krumpen T, Zehr JP, Boetius A.

Front Microbiol. 2016 Nov 23;7:1884. eCollection 2016.


Rapid annotation of nifH gene sequences using classification and regression trees facilitates environmental functional gene analysis.

Frank IE, Turk-Kubo KA, Zehr JP.

Environ Microbiol Rep. 2016 Oct;8(5):905-916. doi: 10.1111/1758-2229.12455. Epub 2016 Sep 14.


Surveying DNA Elements within Functional Genes of Heterocyst-Forming Cyanobacteria.

Hilton JA, Meeks JC, Zehr JP.

PLoS One. 2016 May 20;11(5):e0156034. doi: 10.1371/journal.pone.0156034. eCollection 2016.


Identification of Associations between Bacterioplankton and Photosynthetic Picoeukaryotes in Coastal Waters.

Farnelid HM, Turk-Kubo KA, Zehr JP.

Front Microbiol. 2016 Mar 22;7:339. doi: 10.3389/fmicb.2016.00339. eCollection 2016.


Molecular markers define progressing stages of phosphorus limitation in the nitrogen-fixing cyanobacterium, Crocosphaera.

Pereira N, Shilova IN, Zehr JP.

J Phycol. 2016 Apr;52(2):274-82. doi: 10.1111/jpy.12396. Epub 2016 Mar 8.


Cyanobacterial symbionts diverged in the late Cretaceous towards lineage-specific nitrogen fixation factories in single-celled phytoplankton.

Cornejo-Castillo FM, Cabello AM, Salazar G, Sánchez-Baracaldo P, Lima-Mendez G, Hingamp P, Alberti A, Sunagawa S, Bork P, de Vargas C, Raes J, Bowler C, Wincker P, Zehr JP, Gasol JM, Massana R, Acinas SG.

Nat Commun. 2016 Mar 22;7:11071. doi: 10.1038/ncomms11071.


Genetic Diversity Affects the Daily Transcriptional Oscillations of Marine Microbial Populations.

Shilova IN, Robidart JC, DeLong EF, Zehr JP.

PLoS One. 2016 Jan 11;11(1):e0146706. doi: 10.1371/journal.pone.0146706. eCollection 2016.


Two subpopulations of Crocosphaera watsonii have distinct distributions in the North and South Pacific.

Bench SR, Frank I, Robidart J, Zehr JP.

Environ Microbiol. 2016 Feb;18(2):514-24. doi: 10.1111/1462-2920.13180. Epub 2016 Jan 25.


EVOLUTION. How single cells work together.

Zehr JP.

Science. 2015 Sep 11;349(6253):1163-4. doi: 10.1126/science.aac9752. No abstract available.


Single-taxon field measurements of bacterial gene regulation controlling DMSP fate.

Varaljay VA, Robidart J, Preston CM, Gifford SM, Durham BP, Burns AS, Ryan JP, Marin R 3rd, Kiene RP, Zehr JP, Scholin CA, Ann Moran M.

ISME J. 2015 Jul;9(7):1692. doi: 10.1038/ismej.2015.94. No abstract available.


Single-taxon field measurements of bacterial gene regulation controlling DMSP fate.

Varaljay VA, Robidart J, Preston CM, Gifford SM, Durham BP, Burns AS, Ryan JP, Marin R 3rd, Kiene RP, Zehr JP, Scholin CA, Moran MA.

ISME J. 2015 Jul;9(7):1677-86. doi: 10.1038/ismej.2015.23. Epub 2015 Feb 20. Erratum in: ISME J. 2015 Jul;9(7):1692.


Metatranscriptomics of N2-fixing cyanobacteria in the Amazon River plume.

Hilton JA, Satinsky BM, Doherty M, Zielinski B, Zehr JP.

ISME J. 2015 Jul;9(7):1557-69. doi: 10.1038/ismej.2014.240. Epub 2014 Dec 16.


nifH pyrosequencing reveals the potential for location-specific soil chemistry to influence N2 -fixing community dynamics.

Collavino MM, Tripp HJ, Frank IE, Vidoz ML, Calderoli PA, Donato M, Zehr JP, Aguilar OM.

Environ Microbiol. 2014 Oct;16(10):3211-23. doi: 10.1111/1462-2920.12423. Epub 2014 Mar 19.


Comparative genomics reveals surprising divergence of two closely related strains of uncultivated UCYN-A cyanobacteria.

Bombar D, Heller P, Sanchez-Baracaldo P, Carter BJ, Zehr JP.

ISME J. 2014 Dec;8(12):2530-42. doi: 10.1038/ismej.2014.167. Epub 2014 Sep 16.


ARBitrator: a software pipeline for on-demand retrieval of auto-curated nifH sequences from GenBank.

Heller P, Tripp HJ, Turk-Kubo K, Zehr JP.

Bioinformatics. 2014 Oct 15;30(20):2883-90. doi: 10.1093/bioinformatics/btu417. Epub 2014 Jul 2.


Genetic diversity of the unicellular nitrogen-fixing cyanobacteria UCYN-A and its prymnesiophyte host.

Thompson A, Carter BJ, Turk-Kubo K, Malfatti F, Azam F, Zehr JP.

Environ Microbiol. 2014 Oct;16(10):3238-49. doi: 10.1111/1462-2920.12490. Epub 2014 May 21.


Gammaproteobacterial diazotrophs and nifH gene expression in surface waters of the South Pacific Ocean.

Moisander PH, Serros T, Paerl RW, Beinart RA, Zehr JP.

ISME J. 2014 Oct;8(10):1962-73. doi: 10.1038/ismej.2014.49. Epub 2014 Apr 10.


Vibrio diversity and dynamics in the Monterey Bay upwelling region.

Mansergh S, Zehr JP.

Front Microbiol. 2014 Feb 12;5:48. doi: 10.3389/fmicb.2014.00048. eCollection 2014.


A microarray for assessing transcription from pelagic marine microbial taxa.

Shilova IN, Robidart JC, James Tripp H, Turk-Kubo K, Wawrik B, Post AF, Thompson AW, Ward B, Hollibaugh JT, Millard A, Ostrowski M, Scanlan DJ, Paerl RW, Stuart R, Zehr JP.

ISME J. 2014 Jul;8(7):1476-91. doi: 10.1038/ismej.2014.1. Epub 2014 Jan 30.


Ecogenomic sensor reveals controls on N2-fixing microorganisms in the North Pacific Ocean.

Robidart JC, Church MJ, Ryan JP, Ascani F, Wilson ST, Bombar D, Marin R 3rd, Richards KJ, Karl DM, Scholin CA, Zehr JP.

ISME J. 2014 Jun;8(6):1175-85. doi: 10.1038/ismej.2013.244. Epub 2014 Jan 30.


Aphotic N2 fixation in the Eastern Tropical South Pacific Ocean.

Bonnet S, Dekaezemacker J, Turk-Kubo KA, Moutin T, Hamersley RM, Grosso O, Zehr JP, Capone DG.

PLoS One. 2013 Dec 12;8(12):e81265. doi: 10.1371/journal.pone.0081265. eCollection 2013.


Cellular interactions: lessons from the nitrogen-fixing cyanobacteria.

Thompson AW, Zehr JP.

J Phycol. 2013 Dec;49(6):1024-35. doi: 10.1111/jpy.12117. Epub 2013 Oct 15. Review.


The paradox of marine heterotrophic nitrogen fixation: abundances of heterotrophic diazotrophs do not account for nitrogen fixation rates in the Eastern Tropical South Pacific.

Turk-Kubo KA, Karamchandani M, Capone DG, Zehr JP.

Environ Microbiol. 2014 Oct;16(10):3095-114. doi: 10.1111/1462-2920.12346. Epub 2014 Jan 7.


Non-cyanobacterial nifH phylotypes in the North Pacific Subtropical Gyre detected by flow-cytometry cell sorting.

Bombar D, Turk-Kubo KA, Robidart J, Carter BJ, Zehr JP.

Environ Microbiol Rep. 2013 Oct;5(5):705-15. doi: 10.1111/1758-2229.12070. Epub 2013 Jun 6.


Dissolved hydrogen and nitrogen fixation in the oligotrophic North Pacific Subtropical Gyre.

Wilson ST, del Valle DA, Robidart JC, Zehr JP, Karl DM.

Environ Microbiol Rep. 2013 Oct;5(5):697-704. doi: 10.1111/1758-2229.12069. Epub 2013 Jun 10. Erratum in: Environ Microbiol Rep. 2014 Feb;6(1):122.


Whole genome comparison of six Crocosphaera watsonii strains with differing phenotypes.

Bench SR, Heller P, Frank I, Arciniega M, Shilova IN, Zehr JP.

J Phycol. 2013 Aug;49(4):786-801. doi: 10.1111/jpy.12090. Epub 2013 Jul 9.


Genetic engineering of multispecies microbial cell factories as an alternative for bioenergy production.

Ortiz-Marquez JC, Do Nascimento M, Zehr JP, Curatti L.

Trends Biotechnol. 2013 Sep;31(9):521-9. doi: 10.1016/j.tibtech.2013.05.006. Epub 2013 Jun 19. Review.


Genomic deletions disrupt nitrogen metabolism pathways of a cyanobacterial diatom symbiont.

Hilton JA, Foster RA, Tripp HJ, Carter BJ, Zehr JP, Villareal TA.

Nat Commun. 2013;4:1767. doi: 10.1038/ncomms2748.


Nitrogenase (nifH) gene expression in diazotrophic cyanobacteria in the Tropical North Atlantic in response to nutrient amendments.

Turk-Kubo KA, Achilles KM, Serros TR, Ochiai M, Montoya JP, Zehr JP.

Front Microbiol. 2012 Nov 2;3:386. doi: 10.3389/fmicb.2012.00386. eCollection 2012.


Unicellular cyanobacterium symbiotic with a single-celled eukaryotic alga.

Thompson AW, Foster RA, Krupke A, Carter BJ, Musat N, Vaulot D, Kuypers MM, Zehr JP.

Science. 2012 Sep 21;337(6101):1546-50.

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