Hey, I’m Caitlin

I’m a PhD candidate in the Osburn Isotope Geobiology Lab studying geomicrobiology at the Deep Mine Microbial Observatory, SD.

Recent Posts

Jupyter notebooks in PyCharm

Today we’re going on a Python adventure using Jupyter notebooks and PyCharm! First, let’s talk about what these are. Jupyter Notebook is a web application where you can create interactive coding documents, supporting many programming languages including both Python and R as well as Markdown.

Making beautiful interactive slides with revealJS

Today I’ll show you how to spice up your presentations with revealJS in R. This is an HTML presentation framework that allows you to share your slides on the web, add custom animations, embed websites into your slides, and more!

Thermodynamic Modeling with CHNOSZ

Are you curious what sorts of metabolic processes might be occurring at your study site? Using in situ geochemical data, you can model the Gibbs free energy available from metabolic reactions and predict which metabolisms are energetically favorable!

Create your own site with blogdown in R

Wanna create and host your own site for free? I’ll show you how I created and hosted my site caitlincasar.com! We’ll go over the two basic tools I used: the blogdown package in R and Github Pages.

Making figures for microbial ecology: Interactive NMDS plots

This is the one of several tutorials I’m putting together for making figures that are common in microbial ecology. Today we’ll create an interactive NMDS plot for exploring your microbial community data.

Recent Publications

Mineral‐hosted biofilm communities in the continental deep subsurface, Deep Mine Microbial Observatory, SD, USA

Deep subsurface biofilms are estimated to host the majority of prokaryotic life on Earth, yet fundamental aspects of their ecology …

Establishment of the Deep Mine Microbial Observatory (DeMMO), South Dakota, USA, a Geochemically Stable Portal Into the Deep Subsurface

Identifying temporal trends in deep subsurface geomicrobiology is challenging as it requires both in-depth knowledge of in situ …

Biofilm Formation and Potential for Iron Cycling in Serpentinization-Influenced Groundwater of the Zambales and Coast Range Ophiolites

Terrestrial serpentinizing systems harbor microbial subsurface life. Passive or active microbially mediated iron transformations at …