Rapid Microbial Community Changes During Initial Stages of Pine Litter Decomposition

Microbial Ecology
Marcin GołębiewskiMaria Niklińska

Abstract

Plant litter decomposition is a process enabling biogeochemical cycles closing in ecosystems, and decomposition in forests constitutes the largest part of this process taking place in terrestrial biomes. Microbial communities during litter decomposition were studied mainly with low-throughput techniques not allowing detailed insight, particularly into coniferous litter, as it is more difficult to obtain high quality DNA required for analyses. Motivated by these problems, we analyzed archaeal, bacterial, and eukaryotic communities at three decomposition stages: fresh, 3- and 8-month-old litter by 16/18S rDNA pyrosequencing, aiming at detailed insight into early stages of pine litter decomposition. Archaea were absent from our libraries. Bacterial and eukaryotic diversity was greatest in 8-month-old litter and the same applied to bacterial and fungal rDNA content. Community structure was different at various stages of decomposition, and phyllospheric organisms (bacteria: Acetobacteraceae and Pseudomonadaceae members, fungi: Lophodermium, Phoma) were replaced by communities with metabolic capabilities adapted to the particular stage of decomposition. Sphingomonadaceae and Xanthomonadaceae and fungal genera Sistotrema, Ceuthospora,...Continue Reading

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Citations

Jul 13, 2019·Journal of Applied Microbiology·M Gołębiewski, A Tretyn
Jul 7, 2020·FEMS Microbiology Ecology·Michaeline B N AlbrightJohn Dunbar
Jun 19, 2021·Ecology and Evolution·Justine VirosElena Ormeño
Oct 10, 2021·FEMS Microbiology Letters·Zander R HumanStephanus N Venter

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Methods Mentioned

BETA
PCR
chip

Software Mentioned

sffinfo
cocorresp R package
vegdist
CCA
STAMP
phyloseq
AmpliconNoise
PERMDISP
biom
IDT Oligoanalyzer

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