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John Christian Gaby

Researcher (Microbiology PhD)

Biotech Startup (Microbiome)

Biography

John Christian Gaby is a Microbiologist whose interests include microbial ecology, biological nitrogen fixation, microbial genomics, metagenomics, and bioinformatics.

Interests

  • Microbial Ecology
  • Biological Nitrogen Fixation
  • Metagenomics
  • Bioinformatics

Education

  • Ph.D., Microbiology, 2013

    Cornell University

  • B.S., Biology with Emphasis in Microbiology, 2002

    The University of Tennessee

Experience

 
 
 
 
 

Senior Scientist II

Biotech Startup (Microbiome)

2022 – Present Durham, NC, USA
Areas of focus include:

  • Microbial Isolation
  • Bioinformatics
 
 
 
 
 

Research Microbiologist Research Associate

Genomics and Bioinformatics Research Unit of the United States Department of Agriculture

2020 – 2022 Gainesville, FL, USA
Areas of focus include:

  • Genomics
  • Machine Learning
  • Sequence Graphs
 
 
 
 
 

Postdoctoral Researcher

The Norwegian University of Life Sciences (NMBU)

2016 – 2020 Ås, Norway
Areas of focus include:

  • Metagenomics
  • Metaproteomics
  • SSU rRNA Sequence Analysis
  • Microbiome Analysis in R
  • Illumina Sequencing
  • Anaerobic Digestion and Biogas Production
  • Intestinal Microbiomes
 
 
 
 
 

Postdoctoral Researcher

The Georgia Institute of Technology

2013 – 2016 Atlanta, GA, USA
Areas of focus include:

  • nifH Sequence Analysis
  • Design of an Ecological Field Survey
  • Isolation and Enrichment of Diazotrophs
  • Biological Nitrogen Fixation
  • Agroecosystems
 
 
 
 
 

Fulbright US Student Fellow

Corporación Corpogen

2011 – 2012 Bogotá, Colombia
Areas of focus include:

  • Denitrification
  • Páramo
 
 
 
 
 

Graduate Research Assistant

Cornell University

2005 – 2011 Ithaca, NY, USA
Areas of focus include:

  • nifH Database
  • Quantitative, Real-time PCR
  • Biological Nitrogen Fixation

Recent Publications

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Isolation and characterization of extracellular vesicles secreted in vitro by porcine microbiota

The secretion of extracellular vesicles, EVs, is a common process in both prokaryotic and eukaryotic cells for intercellular …
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Microbiota-directed fibre activates both targeted and secondary metabolic shifts in the distal gut

Beneficial modulation of the gut microbiome has high-impact implications not only in humans, but also in livestock that sustain our …
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Contingent Effects of Liming on N2O-Emissions Driven by Autotrophic Nitrification

Liming acidic soils is often found to reduce their N2O emission due to lowered N2O/(N2O + N2) product ratio of denitrification. Some …
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Effects of H2 : CO2 ratio and H2 supply fluctuation on methane content and microbial community composition during in-situ biological biogas upgrading

Background: Commercial biogas upgrading facilities are expensive and consume energy. Biological biogas upgrading may serve as a …
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“Candidatus Macondimonas diazotrophica”, a novel gammaproteobacterial genus dominating crude-oil-contaminated coastal sediments

Modeling crude-oil biodegradation in sediments remains a challenge due in part to the lack of appropriate model organisms. Here we …
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Professional Development

Big Data and Machine Learning

Swedish University of Agricultural Sciences 2017

Analysis of Multivariate Data from Ecology and Environmental Science, using PRIMER v6

PRIMER-e 2013

The Microbial Diversity Course

Marine Biological Laboratory 2007

Recent Posts

Create a Word List

In this blogpost, I use UNIX BASH shell commands to create an alphabetized list of unique words from the Spanish literary work Don …
Last updated on Wed, Jul 14, 2021 36 min read UNIX, BASH, foreign language

Oslo Botanical Garden Photo Gallery

Last updated on Sun, Dec 13, 2020 1 min read

UF Field and Fork Farm Gardens Photo Gallery

Last updated on Sun, Dec 13, 2020 1 min read

Vigeland Gardens Photo Gallery

Last updated on Sun, Dec 13, 2020 1 min read

Prokaryotic Genome GC Content

In this blogpost, I explore the range of genome GC contents using a data table of 11,710 refseq prokaryotic genomes.
Last updated on Mon, Sep 21, 2020 5 min read genome calculations
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Contact

  • Durham, USA