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List of works by Jonathan P. Zehr

A microarray for assessing transcription from pelagic marine microbial taxa

scientific article

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

scientific article

Abundance and distribution of major groups of diazotrophic cyanobacteria and their potential contribution to N₂ fixation in the tropical Atlantic Ocean.

scientific article published on December 2010

An emergent community ecosystem model applied to the California Current System

article

Analogous nutrient limitations in unicellular diazotrophs and Prochlorococcus in the South Pacific Ocean

scientific article published on 17 November 2011

Aphotic N2 fixation in the Eastern Tropical South Pacific Ocean

scientific article

Application of a nifH oligonucleotide microarray for profiling diversity of N2-fixing microorganisms in marine microbial mats.

scientific article

Cell sorting reveals few novel prokaryote and photosynthetic picoeukaryote associations in the oligotrophic ocean

scientific article published on 09 December 2020

Cellular interactions: lessons from the nitrogen-fixing cyanobacteria.

scientific article published on 15 October 2013

Changing perspectives in marine nitrogen fixation

scientific article published on 01 May 2020

Characterization of cyanobacterial glnA gene diversity and gene expression in marine environments.

scientific article published in March 2006

Characterization of diatom-cyanobacteria symbioses on the basis of nifH, hetR and 16S rRNA sequences

scientific article published in November 2006

Cloning and transcriptional analysis of the nifUHDK genes of Trichodesmium sp. IMS101 reveals stable nifD, nifDK and nifK transcripts

scientific article published in December 1998

Comparative day/night metatranscriptomic analysis of microbial communities in the North Pacific subtropical gyre

scientific article

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

scientific article

Comparison of diazotroph community structure in Lyngbya sp. and Microcoleus chthonoplastes dominated microbial mats from Guerrero Negro, Baja, Mexico

scientific article published in March 2004

Complex marine microbial communities partition metabolism of scarce resources over the diel cycle

scientific article

Contributors

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

scientific article

Coupling FACS and genomic methods for the characterization of uncultivated symbionts

scientific article published in January 2013

Cyanobacterial assimilatory nitrate reductase gene diversity in coastal and oligotrophic marine environments

scientific article published in December 2006

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

scientific article

Detection and expression of the phosphonate transporter gene phnD in marine and freshwater picocyanobacteria.

scientific article

Determination of nitrogen-fixing phylotypes in Lyngbya sp. and Microcoleus chthonoplastes cyanobacterial mats from Guerrero Negro, Baja California, Mexico

scientific article published on April 2004

Development and testing of a DNA macroarray to assess nitrogenase (nifH) gene diversity

scientific article published in March 2004

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

scientific article

Diazotrophic bacterioplankton in a coral reef lagoon: phylogeny, diel nitrogenase expression and response to phosphate enrichment.

scientific article

Diel cycling of DNA staining and nifH gene regulation in the unicellular cyanobacterium Crocosphaera watsonii strain WH 8501 (Cyanophyta)

scientific article

Diel variability in transcription of the structural gene for glutamine synthetase (glnA) in natural populations of the marine diazotrophic cyanobacterium Trichodesmium thiebautii

article

Differential distributions of synechococcus subgroups across the california current system.

scientific article published on 4 April 2011

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

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

scientific article

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

scientific article published on 19 December 2016

Distribution and activity of diazotrophs in the Eastern Equatorial Atlantic

scientific article

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

scientific article published on 5 April 2018

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

scientific article published on 16 August 2018

Diversity and abundance of diazotrophic microorganisms in the South China Sea during intermonsoon

scientific article

Diversity and activity of nitrogen-fixing communities across ocean basins

scholarly article by Mary R. Gradoville published in March 2017

Diversity and detection of nitrate assimilation genes in marine bacteria.

scientific article

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

scientific article published on 01 September 2019

EFFECT OF EDTA ADDITIONS ON NATURALTRICHODESMIUMSPP. (CYANOPHYTA) POPULATIONS

article

EVOLUTION. How single cells work together

scientific article published in September 2015

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

scientific article

Effects of Growth Irradiance and Nitrogen Limitation on Photosynthetic Energy Conversion in Photosystem II.

scientific article published in November 1988

Effects of inorganic nitrogen on taxa-specific cyanobacterial growth and nifH expression in a subtropical estuary

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

article

Environmental Engineering Forum

Erratum: Diversity and abundance of diazotrophic microorganisms in the South China Sea during intermonsoon

article

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

scientific article published on 23 January 2017

Experiments linking nitrogenase gene expression to nitrogen fixation in the North Pacific subtropical gyre

article

Expression of nifH genes in natural microbial assemblages in Lake George, New York, detected by reverse transcriptase PCR.

scientific article published in July 2000

Expression of photosynthesis genes in relation to nitrogen fixation in the diazotrophic filamentous nonheterocystous cyanobacterium Trichodesmium sp. IMS 101.

scientific article published in September 1999

Fingerprinting diazotroph communities in the Chesapeake Bay by using a DNA macroarray

scientific article published in March 2004

GENOTYPIC RELATIONSHIPS IN TRICHODESMIUM (CYANOPHYCEAE) BASED ON nifH SEQUENCE COMPARISONS1

article

GROWTH AND CARBON CONTENT OF THREE DIFFERENT-SIZED DIAZOTROPHIC CYANOBACTERIA OBSERVED IN THE SUBTROPICAL NORTH PACIFIC(1).

scientific article published on 17 September 2008

GROWTH AND NITROGEN FIXATION OF THE DIAZOTROPHIC FILAMENTOUS NONHETEROCYSTOUS CYANOBACTERIUM TRICHODESMIUM SP. IMS 101 IN DEFINED MEDIA: EVIDENCE FOR A CIRCADIAN RHYTHM1

article

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

scientific article published on 10 April 2014

Genetic Diversity Affects the Daily Transcriptional Oscillations of Marine Microbial Populations

scientific article published on 11 January 2016

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

scientific article published on 21 May 2014

Genome-wide analysis of diel gene expression in the unicellular N(2)-fixing cyanobacterium Crocosphaera watsonii WH 8501.

scientific article published on 28 January 2010

Genomic deletions disrupt nitrogen metabolism pathways of a cyanobacterial diatom symbiont

scientific article published on January 1, 2013

Global distribution patterns of distinct clades of the photosynthetic picoeukaryote Ostreococcus

scientific article

Globally distributed uncultivated oceanic N2-fixing cyanobacteria lack oxygenic photosystem II.

scientific article published on November 2008

High rates of N2 fixation by unicellular diazotrophs in the oligotrophic Pacific Ocean

scientific article published on 01 August 2004

Hopanoid lipids may facilitate aerobic nitrogen fixation in the ocean

scientific article published on 26 August 2019

How microbes survive in the open ocean.

scientific article

Hydrogen cycling by the unicellular marine diazotroph Crocosphaera watsonii strain WH8501.

scientific article published on 13 August 2010

ISOLATION OF CALOTHRIX RHIZOSOLENIAE (CYANOBACTERIA) STRAIN SC01 FROM CHAETOCEROS (BACILLARIOPHYTA) SPP. DIATOMS OF THE SUBTROPICAL NORTH PACIFIC OCEAN1

Identification of Associations between Bacterioplankton and Photosynthetic Picoeukaryotes in Coastal Waters

scientific article

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

scientific article published on 25 July 2018

In situ transcriptomic analysis of the globally important keystone N2-fixing taxon Crocosphaera watsonii.

scientific article published on 19 February 2009

Intriguing size distribution of the uncultured and globally widespread marine non-cyanobacterial diazotroph Gamma-A

scientific article published on 11 September 2020

Kīlauea lava fuels phytoplankton bloom in the North Pacific Ocean

scientific article published on 01 September 2019

Low genomic diversity in tropical oceanic N2-fixing cyanobacteria

scholarly article

Measurements of nitrogen fixation in the oligotrophic North Pacific Subtropical Gyre using a free-drifting submersible incubation device

Measuring N2 Fixation in the Field

article

Metabolic streamlining in an open-ocean nitrogen-fixing cyanobacterium.

scientific article

Metagenomic potential of microbial assemblages in the surface waters of the central Pacific Ocean tracks variability in oceanic habitat

article by Ian Hewson et al published 27 August 2009 in Limnology and Oceanography

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

scientific article published on 16 December 2014

Microbes in Earth’s aqueous environments

scientific article published on July 20, 2010

Microbial community gene expression within colonies of the diazotroph, Trichodesmium, from the Southwest Pacific Ocean

scientific article published on 2 July 2009

Microbiological, molecular biological and stable isotopic evidence for nitrogen fixation in the open waters of Lake Michigan.

scientific article

Misannotations of rRNA can now generate 90% false positive protein matches in metatranscriptomic studies.

scientific article

Modeled contributions of three types of diazotrophs to nitrogen fixation at Station ALOHA.

scientific article published on 4 October 2007

Modeled diversity effects on microbial ecosystem functions of primary production, nutrient uptake, and remineralization.

scientific article

Modelling the vertical distribution of Prochlorococcus and Synechococcus in the North Pacific Subtropical Ocean

scientific article

Molecular Approaches to the Nitrogen Cycle

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

scientific article published on 8 March 2016

NITROGEN FIXATION, HYDROGEN CYCLING, AND ELECTRON TRANSPORT KINETICS IN TRICHODESMIUM ERYTHRAEUM (CYANOBACTERIA) STRAIN IMS101(1).

scientific article published on 3 May 2012

New twist on nitrogen cycling in oceanic oxygen minimum zones

scholarly article

Nitrogen cycle of the open ocean: from genes to ecosystems.

scientific article

Nitrogen cycling in the ocean: new perspectives on processes and paradigms

scientific article

Nitrogen fixation and nitrogenase (nifH) expression in tropical waters of the eastern North Atlantic.

scientific article

Nitrogen fixation and transfer in open ocean diatom-cyanobacterial symbioses.

scientific article

Nitrogen fixation by marine cyanobacteria

scientific article published on January 10, 2011

Nitrogen fixation by unicellular diazotrophic cyanobacteria in the temperate oligotrophic North Pacific Ocean

Nitrogen fixation in an anticyclonic eddy in the oligotrophic North Pacific Ocean

scientific article

Nitrogen fixation in mesoscale eddies of the North Pacific Subtropical Gyre: Patterns and mechanisms

scientific article published in 2023

Nitrogen fixation in the South Atlantic Gyre and the Benguela Upwelling System

article

Nitrogen fixation in the marine environment: relating genetic potential to nitrogenase activity

article published in 1996

Nitrogen-fixing organelle in a marine alga

scientific article published on 12 April 2024

Nitrogen-fixing phylotypes of Chesapeake Bay and Neuse River estuary sediments

scientific article published on 14 October 2002

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

scientific article

Nitrogenase gene diversity and microbial community structure: a cross-system comparison

scientific article (publication date: July 2003)

Nitrogenase gene expression in the Chesapeake Bay Estuary

article

Nitrogenase genes in PCR and RT-PCR reagents: implications for studies of diversity of functional genes

scientific article

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

scientific article

ORGANIZATION OF THE nif GENES OF THE NONHETEROCYSTOUS CYANOBACTERIUM TRICHODESMIUM SP. IMS101

article

Ocean science. Photosynthesis in the open ocean

scientific article published in November 2009

PATHWAY OF AMMONIUM ASSIMILATION IN A MARINE DIATOM DETERMINED WITH THE RADIOTRACER13.N

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

article

Phylogenetic diversity of cyanobacterial narB genes from various marine habitats.

scientific article

Phylogeny of cyanobacterial nifH genes: evolutionary implications and potential applications to natural assemblages

scientific article published in April 1997

Physical forcing of nitrogen fixation and diazotroph community structure in the North Pacific subtropical gyre

scientific article

Phytoplankton transcriptomic and physiological responses to fixed nitrogen in the California current system

scientific article published on 20 April 2020

Quantitative analysis of nifH genes and transcripts from aquatic environments

scientific article published in January 2005

RESEARCH: Are Recent Watershed Disturbances Associated with Temporal and Spatial Changes in Water Quality of Lake George, New York, USA?

article

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

scientific article

Regional distributions of nitrogen-fixing bacteria in the Pacific Ocean

article by Matthew J. Church et al published January 2008 in Limnology and Oceanography

Regulation of nitrogen-fixation by different nitrogen sources in the marine non-heterocystous cyanobacterium Trichodesmium sp. NIBB1067

scholarly article by Kaori Ohki published in October 1991

Seasonal Synechococcus and Thaumarchaeal population dynamics examined with high resolution with remote in situ instrumentation

scientific article published on 6 October 2011

Seasonal change in the abundance of Synechococcus and multiple distinct phylotypes in Monterey Bay determined by rbcL and narB quantitative PCR.

scientific article published on 29 September 2011

Short-term exposures to chronically toxic copper concentrations induce HSP70 proteins in midge larvae (Chironomus tentans).

scientific article published in August 2003

Short-term variability in euphotic zone biogeochemistry and primary productivity at Station ALOHA: A case study of summer 2012

article

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

scientific article published on July 2015

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

scientific article published on 20 February 2015

Spatial and temporal distribution of two diazotrophic bacteria in the Chesapeake Bay.

scientific article published on April 2004

Spatial patterns and light-driven variation of microbial population gene expression in surface waters of the oligotrophic open ocean

scientific article

Spatial-temporal variability in diazotroph assemblages in Chesapeake Bay using an oligonucleotide nifH microarray.

scientific article

Structural analysis of the Trichodesmium nitrogenase iron protein: implications for aerobic nitrogen fixation activity

scientific article published on August 1997

Surveying DNA Elements within Functional Genes of Heterocyst-Forming Cyanobacteria

scientific article

Symbiotic unicellular cyanobacteria fix nitrogen in the Arctic Ocean

article published in the Proceedings of the National Academy of Sciences of the United States of America

Temporal patterns of nitrogenase gene (nifH) expression in the oligotrophic North Pacific Ocean

scientific article published in September 2005

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

scientific article published on 06 March 2019

Temporal variability of nitrogen fixation and particulate nitrogen export at Station ALOHA

article

The Nitrogen Cycle in the North Pacific Trades Biome

article

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

scientific article published on 02 January 2019

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

scientific article published on 7 January 2014

Two Strains of Crocosphaera watsonii with Highly Conserved Genomes are Distinguished by Strain-Specific Features.

scientific article published on 29 December 2011

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

scientific article published on 10 December 2015

UCYN-A/haptophyte symbioses dominate N2 fixation in the Southern California Current System

scientific article published on 26 August 2021

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

scientific article published on 08 November 2018

Underwater application of quantitative PCR on an ocean mooring

scientific article

Unexpected presence of the nitrogen-fixing symbiotic cyanobacterium UCYN-A in Monterey Bay, California

scientific article published on 01 July 2020

Unicellular cyanobacteria fix N2 in the subtropical North Pacific Ocean

scientific article published in August 2001

Unicellular cyanobacteria with a new mode of life: the lack of photosynthetic oxygen evolution allows nitrogen fixation to proceed.

scientific article published on 29 August 2010

Unicellular cyanobacterial distributions broaden the oceanic N2 fixation domain

scientific article

Unicellular cyanobacterium symbiotic with a single-celled eukaryotic alga

scientific article

Unusual marine cyanobacteria/haptophyte symbiosis relies on N2 fixation even in N-rich environments

scientific article published on 10 June 2020

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

scientific article published on 20 December 2016

Use of the high-affinity phosphate transporter gene, pstS, as an indicator for phosphorus stress in the marine diazotroph Crocosphaera watsonii (Chroococcales, Cyanobacteria)

scientific article published on 16 May 2019

VARIATION IN THE ABUNDANCE OF SYNECHOCOCCUS SP. CC9311 NARB MRNA RELATIVE TO CHANGES IN LIGHT, NITROGEN GROWTH CONDITIONS AND NITRATE ASSIMILATION(1).

scientific article

Vertical distribution of nitrogen-fixing phylotypes in a meromictic, hypersaline lake

scientific article published in January 2004

Vibrio diversity and dynamics in the Monterey Bay upwelling region.

scientific article published on 12 February 2014

What's in a name? The case of cyanobacteria

scientific article published on 15 November 2019

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

scientific article

nifHpyrosequencing reveals the potential for location-specific soil chemistry to influence N2-fixing community dynamics

article