Incorporating quantity into microbiome analysis

In addition to thinking about appropriate statistical analyses given the compositional nature of microbiome data sets (see the previous post here), there is a related but different issue that’s back on my mind – the benefit that quantitative information would bring to research questions. My engineering colleagues in the built environment world have consistently reminded …

Microbial biodiversity assessment of the European Space Agency’s ExoMars 2016 mission

Determining if life exists or ever existed beyond Earth is one of the most interesting scientific questions. Reports on numerous habitable planets have increased the speculations about potential extra-terrestrial life. However, these theoretically life-supporting planets are far beyond human’s reach – except Mars. In order to explore if there ever was life on Mars, the …

Paper of interest: Fungal Communities in Near Surface Air Are Similar across Northwestern Europe

This may be of interest: Fungal Communities Including Plant Pathogens in Near Surface Air Are Similar across Northwestern Europe Nicolaisen M, West JS, Sapkota R, Canning GGM, Schoen C and Justesen AF (2017) Fungal Communities Including Plant Pathogens in Near Surface Air Are Similar across Northwestern Europe. Front. Microbiol. 8:1729. doi: 10.3389/fmicb.2017.01729 Information on the …

Indoor microbiology paper of interest on effects of moisture & interventions

For those interested in microbiology of the built environment this paper seems definitely worth checking out: Indoor microbiota in severely moisture damaged homes and the impact of interventions. Jayaprakash B, Adams RI, Kirjavainen P, Karvonen A, Vepsäläinen A, Valkonen M, Järvi K, Sulyok M, Pekkanen J, Hyvärinen A, Täubel M. Microbiome. 2017 Oct 13; 5(1):138 Abstract …

Preparing for the crewed Mars journey: Microbiota dynamics in the confined Mars500 habitat during simulated Mars flight and landing

Human exploration of planet Mars has a long history with number of robotic missions surveying the Martian surface and environment, including  the Viking program (1975), the Mars Exploration Rover Mission (2003), the Phoenix lander (2008), and the Mars Science Laboratory (2012). For the future human space exploration, crewed Mars mission is considered as one of …

Over 1,200 Built Environment Genomes from Metagenomes

We were super excited to see the recent paper “Recovery of nearly 8,000 metagenome-assembled genomes substantially expands the tree of life“.  Really, the title says it all… the authors took hundreds of published metagenomic studies (focusing on non-human environments) and assembled thousands of genomes.  Awesome. But we were curious how many of these genomes came …

Today in possibly interesting science but needless fear mongering ..

So this sounds like there may be some interesting science going on here: Zero gravity had unexpected effects on E. coli samples, causing them to behave differently. That could present problems trying to treat them. Source: Space-Grown Bacteria Could Pose Major Problems for Astronauts But the article includes a bunch of needless fear mongering. What …

Of possible interest: Airborne bacterial assemblage in a zero carbon building: A case study

Of possible interest: Airborne bacterial assemblage in a zero carbon building: A case study – Leung – 2017 – Indoor Air – Wiley Online Library Abstract: Currently, there is little information pertaining to the airborne bacterial communities of green buildings. In this case study, the air bacterial community of a zero carbon building (ZCB) in …

Of possible interest: Bacterial diversity among four healthcare-associated institutes in Taiwan

Quick post – paper of possible interest:: Bacterial diversity among four healthcare-associated institutes in Taiwan | Scientific Reports Abstract Indoor microbial communities have important implications for human health, especially in health-care institutes (HCIs). The factors that determine the diversity and composition of microbiomes in a built environment remain unclear. Herein, we used 16S rRNA amplicon …

Of possible interest: Seasonal variation characteristic of inhalable microbial communities in PM2.5 in Beijing 

Quick post – paper of possible interest:: Seasonal variation characteristic of inhalable microbial communities in PM2.5 in Beijing city, China – ScienceDirect   Abstract: Bacteria and fungi are primary constituents of airborne microbes in fine particulate matter (PM2.5) and significantly impact human health. However, hitherto, seasonal variation and effect of air pollution on microbial community …