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Sticky Dead Microbes: rapid abiotic retention of microbial necromass in soil

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Sticky Dead Microbes: rapid abiotic retention of microbial necromass in soil. / Buckeridge, Kate; La Rosa, Alfio Fabio; Mason, Kelly et al.
In: Soil Biology and Biochemistry, Vol. 149, 107929, 01.10.2020.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Buckeridge, K, La Rosa, AF, Mason, K, Whitaker, J, McNamara, N, Grant, H & Ostle, N 2020, 'Sticky Dead Microbes: rapid abiotic retention of microbial necromass in soil', Soil Biology and Biochemistry, vol. 149, 107929. https://doi.org/10.1016/j.soilbio.2020.107929

APA

Buckeridge, K., La Rosa, A. F., Mason, K., Whitaker, J., McNamara, N., Grant, H., & Ostle, N. (2020). Sticky Dead Microbes: rapid abiotic retention of microbial necromass in soil. Soil Biology and Biochemistry, 149, Article 107929. https://doi.org/10.1016/j.soilbio.2020.107929

Vancouver

Buckeridge K, La Rosa AF, Mason K, Whitaker J, McNamara N, Grant H et al. Sticky Dead Microbes: rapid abiotic retention of microbial necromass in soil. Soil Biology and Biochemistry. 2020 Oct 1;149:107929. Epub 2020 Aug 14. doi: 10.1016/j.soilbio.2020.107929

Author

Buckeridge, Kate ; La Rosa, Alfio Fabio ; Mason, Kelly et al. / Sticky Dead Microbes : rapid abiotic retention of microbial necromass in soil. In: Soil Biology and Biochemistry. 2020 ; Vol. 149.

Bibtex

@article{b7d526dd076e48419f6dd48915952e47,
title = "Sticky Dead Microbes: rapid abiotic retention of microbial necromass in soil",
abstract = "Microbial necromass dominates soil organic matter. Recent research on necromass and soil carbon storage has focused on necromass production and stabilization mechanisms but not on the mechanisms of necromass retention. We present evidence from soil incubations with stable-isotope labeled necromass that abiotic adsorption may be more important than biotic immobilization for short-term necromass retention. We demonstrate that necromass adsorbs not only to mineral surfaces, but may also interact with other necromass. Furthermore, necromass cell chemistry alters necromass-necromass interaction, with more bacterial tracer retained when there is yeast necromass present. These findings suggest that the adsorption and abiotic interaction of microbial necromass and its functional properties, beyond chemical stability, deserve further investigation in the context of soil carbon sequestration.",
keywords = "Soil organic matter, functional properties, stable isotope, grassland pasture, carbon sequestration, nitrogen",
author = "Kate Buckeridge and {La Rosa}, {Alfio Fabio} and Kelly Mason and Jeanette Whitaker and Niall McNamara and Helen Grant and Nick Ostle",
year = "2020",
month = oct,
day = "1",
doi = "10.1016/j.soilbio.2020.107929",
language = "English",
volume = "149",
journal = "Soil Biology and Biochemistry",
issn = "0038-0717",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Sticky Dead Microbes

T2 - rapid abiotic retention of microbial necromass in soil

AU - Buckeridge, Kate

AU - La Rosa, Alfio Fabio

AU - Mason, Kelly

AU - Whitaker, Jeanette

AU - McNamara, Niall

AU - Grant, Helen

AU - Ostle, Nick

PY - 2020/10/1

Y1 - 2020/10/1

N2 - Microbial necromass dominates soil organic matter. Recent research on necromass and soil carbon storage has focused on necromass production and stabilization mechanisms but not on the mechanisms of necromass retention. We present evidence from soil incubations with stable-isotope labeled necromass that abiotic adsorption may be more important than biotic immobilization for short-term necromass retention. We demonstrate that necromass adsorbs not only to mineral surfaces, but may also interact with other necromass. Furthermore, necromass cell chemistry alters necromass-necromass interaction, with more bacterial tracer retained when there is yeast necromass present. These findings suggest that the adsorption and abiotic interaction of microbial necromass and its functional properties, beyond chemical stability, deserve further investigation in the context of soil carbon sequestration.

AB - Microbial necromass dominates soil organic matter. Recent research on necromass and soil carbon storage has focused on necromass production and stabilization mechanisms but not on the mechanisms of necromass retention. We present evidence from soil incubations with stable-isotope labeled necromass that abiotic adsorption may be more important than biotic immobilization for short-term necromass retention. We demonstrate that necromass adsorbs not only to mineral surfaces, but may also interact with other necromass. Furthermore, necromass cell chemistry alters necromass-necromass interaction, with more bacterial tracer retained when there is yeast necromass present. These findings suggest that the adsorption and abiotic interaction of microbial necromass and its functional properties, beyond chemical stability, deserve further investigation in the context of soil carbon sequestration.

KW - Soil organic matter

KW - functional properties

KW - stable isotope

KW - grassland pasture

KW - carbon sequestration

KW - nitrogen

U2 - 10.1016/j.soilbio.2020.107929

DO - 10.1016/j.soilbio.2020.107929

M3 - Journal article

VL - 149

JO - Soil Biology and Biochemistry

JF - Soil Biology and Biochemistry

SN - 0038-0717

M1 - 107929

ER -