The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers

Soil microbiomes in forest ecosystems act as both nutrient sources and sinks through a range of processes including organic matter decomposition, nutrient cycling, and humic compound incorporation into the soil. Most forest soil microbial diversity studies have been performed in the northern hemisph...

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Autores principales: Onyango, L.A., Ngonga, F.A., Karanja, E.N., Kuja, J.O., Boga, H.I., Cowan, D.A., Mwangi, Kennedy Wanjau, Maghenda, M.W., Lebre, P.B.N.M., Kambura, A.K.
Formato: Journal Article
Lenguaje:Inglés
Publicado: Springer 2023
Materias:
Acceso en línea:https://hdl.handle.net/10568/130311
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author Onyango, L.A.
Ngonga, F.A.
Karanja, E.N.
Kuja, J.O.
Boga, H.I.
Cowan, D.A.
Mwangi, Kennedy Wanjau
Maghenda, M.W.
Lebre, P.B.N.M.
Kambura, A.K.
author_browse Boga, H.I.
Cowan, D.A.
Kambura, A.K.
Karanja, E.N.
Kuja, J.O.
Lebre, P.B.N.M.
Maghenda, M.W.
Mwangi, Kennedy Wanjau
Ngonga, F.A.
Onyango, L.A.
author_facet Onyango, L.A.
Ngonga, F.A.
Karanja, E.N.
Kuja, J.O.
Boga, H.I.
Cowan, D.A.
Mwangi, Kennedy Wanjau
Maghenda, M.W.
Lebre, P.B.N.M.
Kambura, A.K.
author_sort Onyango, L.A.
collection Repository of Agricultural Research Outputs (CGSpace)
description Soil microbiomes in forest ecosystems act as both nutrient sources and sinks through a range of processes including organic matter decomposition, nutrient cycling, and humic compound incorporation into the soil. Most forest soil microbial diversity studies have been performed in the northern hemisphere, and very little has been done in forests within African continent. This study examined the composition, diversity and distribution of prokaryotes in Kenyan forests top soils using amplicon sequencing of V4-V5 hypervariable region of the 16S rRNA gene. Additionally, soil physicochemical characteristics were measured to identify abiotic drivers of prokaryotic distribution. Different forest soils were found to have statistically distinct microbiome compositions, with Proteobacteria and Crenarchaeota taxa being the most differentially abundant across regions within bacterial and archaeal phyla, respectively. Key bacterial community drivers included pH, Ca, K, Fe, and total N while archaeal diversity was shaped by Na, pH, Ca, total P and total N. To contextualize the prokaryote diversity of Kenyan forest soils on a global scale, the sample set was compared to amplicon data obtained from forest biomes across the globe; displaying them to harbor distinct microbiomes with an over-representation of uncultured taxa such as TK-10 and Ellin6067 genera.
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spelling CGSpace1303112025-12-08T10:06:44Z The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers Onyango, L.A. Ngonga, F.A. Karanja, E.N. Kuja, J.O. Boga, H.I. Cowan, D.A. Mwangi, Kennedy Wanjau Maghenda, M.W. Lebre, P.B.N.M. Kambura, A.K. forest biodiversity soil microbiomes ecology microbiology forests Soil microbiomes in forest ecosystems act as both nutrient sources and sinks through a range of processes including organic matter decomposition, nutrient cycling, and humic compound incorporation into the soil. Most forest soil microbial diversity studies have been performed in the northern hemisphere, and very little has been done in forests within African continent. This study examined the composition, diversity and distribution of prokaryotes in Kenyan forests top soils using amplicon sequencing of V4-V5 hypervariable region of the 16S rRNA gene. Additionally, soil physicochemical characteristics were measured to identify abiotic drivers of prokaryotic distribution. Different forest soils were found to have statistically distinct microbiome compositions, with Proteobacteria and Crenarchaeota taxa being the most differentially abundant across regions within bacterial and archaeal phyla, respectively. Key bacterial community drivers included pH, Ca, K, Fe, and total N while archaeal diversity was shaped by Na, pH, Ca, total P and total N. To contextualize the prokaryote diversity of Kenyan forest soils on a global scale, the sample set was compared to amplicon data obtained from forest biomes across the globe; displaying them to harbor distinct microbiomes with an over-representation of uncultured taxa such as TK-10 and Ellin6067 genera. 2023-05-02 2023-05-10T14:20:47Z 2023-05-10T14:20:47Z Journal Article https://hdl.handle.net/10568/130311 en Open Access Springer Onyango, L.A., Ngonga, F.A., Karanja, E.N., Kuja, J.O., Boga, H.I., Cowan, D.A., Mwangi, K.W., Maghenda, M.W., Lebre, P.B.N.M. and Kambura, A.K. 2023. The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers. Scientific Reports 13: 7156.
spellingShingle forest biodiversity
soil
microbiomes
ecology
microbiology
forests
Onyango, L.A.
Ngonga, F.A.
Karanja, E.N.
Kuja, J.O.
Boga, H.I.
Cowan, D.A.
Mwangi, Kennedy Wanjau
Maghenda, M.W.
Lebre, P.B.N.M.
Kambura, A.K.
The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers
title The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers
title_full The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers
title_fullStr The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers
title_full_unstemmed The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers
title_short The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers
title_sort soil microbiomes of forest ecosystems in kenya their diversity and environmental drivers
topic forest biodiversity
soil
microbiomes
ecology
microbiology
forests
url https://hdl.handle.net/10568/130311
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