Early colonizers of unoccupied habitats represent a minority of the soil bacterial community

FEMS Microbiology Ecology
Alexandra B WolfGeorge A Kowalchuk

Abstract

In order to understand (re-)colonization of microhabitats and bacterial succession in soil, it is important to understand which members of soil bacterial communities are most motile in the porous soil matrix. To address this issue, we carried out a series of experiments in sterilized soil microcosms. Using two different model strains, Pseudomonas fluorescens strain Pf0-1 and Collimonas fungivorans strain Ter331, we first determined the influence of nutrient availability on bacterial expansion rates. Based on these results, we then conducted similar microcosm experiments to examine microbial mobility within natural soil bacterial communities under a single nutrient regime. The expansion of bacterial populations within the community was assayed by quantitative PCR and pyrosequencing of 16S rRNA gene fragments. We observed that only a relatively small subset of the total community was able to expand to an appreciable distance (more than 2 cm) within 48 h, with the genera Undibacterium, Pseudomonas and Massilia and especially the family Enterobacteriaceae dominating the communities more distant from the point of inoculation. These results suggest that (re-)colonization of open habitats in soil may be dominated by a few rapidly movi...Continue Reading

References

Jan 1, 1991·Journal of Bacteriology·W G WeisburgD J Lane
Feb 1, 1990·Applied and Environmental Microbiology·J T TrevorsM E Starodub
Oct 1, 1988·Applied and Environmental Microbiology·G CompeauS B Levy
Oct 7, 2003·Annual Review of Microbiology·Rasika M Harshey
May 15, 2004·International Journal of Systematic and Evolutionary Microbiology·Wietse de BoerJohannes A van Veen
Oct 21, 2005·Journal of Bacteriology·Nicky C CaiazzaG A O'Toole
Jan 27, 2007·Genome Research·Daniel H HusonStephan C Schuster
Nov 17, 2009·Bioinformatics·J Gregory CaporasoRob Knight
Apr 13, 2010·Nature Methods·J Gregory CaporasoRob Knight
Jul 28, 2010·Proceedings of the National Academy of Sciences of the United States of America·Arnaud DechesneBarth F Smets
Aug 17, 2010·Bioinformatics·Robert C Edgar
Jul 13, 2011·Frontiers in Microbiology·Keith Poole
Jul 13, 2011·Frontiers in Microbiology·Paul L E Bodelier
Jul 19, 2012·PloS One·Maya OfekDror Minz
Jun 12, 2013·Environmental Microbiology Reports·Mitja N P Remus-EmsermannJohan H J Leveau

❮ Previous
Next ❯

Citations

Jul 28, 2016·Environmental Microbiology·Shazia N AslamTerry J McGenity
Jun 17, 2016·PloS One·Max-Bernhard BallhausenWietse de Boer
Jan 20, 2019·Applied and Environmental Microbiology·U S KrügerJ Aamand
Jun 13, 2020·Annual Review of Microbiology·Connor R FitzpatrickJeffery L Dangl

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.