Spatial Variation of Cladophora Epiphytes in the Nan River, Thailand

Cladophora is an algal genus known to be ecologically important. It provides habitats for microorganisms known to provide ecological services such as biosynthesis of cobalamin (vitamin B12) and nutrient cycling. Most knowledge of microbiomes was obtained fro...

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Autores principales:	Karnjana Ruen-Pham, Linda E. Graham, Anchittha Satjarak
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Cladophora</i> microbiome Nan River lotic environment ecological services Botany QK1-989
Acceso en línea:	https://doaj.org/article/147674ec9c9e4240a3ef56dd91a4e4fb
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id	oai:doaj.org-article:147674ec9c9e4240a3ef56dd91a4e4fb
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spelling	oai:doaj.org-article:147674ec9c9e4240a3ef56dd91a4e4fb2021-11-25T18:44:29ZSpatial Variation of <i>Cladophora</i> Epiphytes in the Nan River, Thailand10.3390/plants101122662223-7747https://doaj.org/article/147674ec9c9e4240a3ef56dd91a4e4fb2021-10-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2266https://doaj.org/toc/2223-7747<i>Cladophora</i> is an algal genus known to be ecologically important. It provides habitats for microorganisms known to provide ecological services such as biosynthesis of cobalamin (vitamin B<sub>12</sub>) and nutrient cycling. Most knowledge of microbiomes was obtained from studies of lacustrine <i>Cladophora</i> species. However, whether lotic freshwater <i>Cladophora</i> microbiomes are as complex as the lentic ones or provide similar ecological services is not known. To illuminate these issues, we used amplicons of 16S rDNA, 18S rDNA, and ITS to investigate the taxonomy and diversity of the microorganisms associated with replicate <i>Cladophora</i> samples from three sites along the Nan River, Thailand. Results showed that the diversity of prokaryotic and eukaryotic members of <i>Cladophora</i> microbiomes collected from different sampling sites was statistically different. Fifty percent of the identifiable taxa were shared across sampling sites: these included organisms belonging to different trophic levels, decomposers, and heterotrophic bacteria. These heterogeneous assemblages of bacteria, by functional inference, have the potential to perform various ecological functions, i.e., cellulose degradation, cobalamin biosynthesis, fermentative hydrogen production, ammonium oxidation, amino acid fermentation, dissimilatory reduction of nitrate to ammonium, nitrite reduction, nitrate reduction, sulfur reduction, polyphosphate accumulation, denitrifying phosphorus-accumulation, and degradation of aromatic compounds. Results suggested that river populations of <i>Cladophora</i> provide ecologically important habitat for microorganisms that are key to nutrient cycling in lotic ecosystems.Karnjana Ruen-PhamLinda E. GrahamAnchittha SatjarakMDPI AGarticle<i>Cladophora</i>microbiomeNan Riverlotic environmentecological servicesBotanyQK1-989ENPlants, Vol 10, Iss 2266, p 2266 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Cladophora</i> microbiome Nan River lotic environment ecological services Botany QK1-989
spellingShingle	<i>Cladophora</i> microbiome Nan River lotic environment ecological services Botany QK1-989 Karnjana Ruen-Pham Linda E. Graham Anchittha Satjarak Spatial Variation of <i>Cladophora</i> Epiphytes in the Nan River, Thailand
description	<i>Cladophora</i> is an algal genus known to be ecologically important. It provides habitats for microorganisms known to provide ecological services such as biosynthesis of cobalamin (vitamin B<sub>12</sub>) and nutrient cycling. Most knowledge of microbiomes was obtained from studies of lacustrine <i>Cladophora</i> species. However, whether lotic freshwater <i>Cladophora</i> microbiomes are as complex as the lentic ones or provide similar ecological services is not known. To illuminate these issues, we used amplicons of 16S rDNA, 18S rDNA, and ITS to investigate the taxonomy and diversity of the microorganisms associated with replicate <i>Cladophora</i> samples from three sites along the Nan River, Thailand. Results showed that the diversity of prokaryotic and eukaryotic members of <i>Cladophora</i> microbiomes collected from different sampling sites was statistically different. Fifty percent of the identifiable taxa were shared across sampling sites: these included organisms belonging to different trophic levels, decomposers, and heterotrophic bacteria. These heterogeneous assemblages of bacteria, by functional inference, have the potential to perform various ecological functions, i.e., cellulose degradation, cobalamin biosynthesis, fermentative hydrogen production, ammonium oxidation, amino acid fermentation, dissimilatory reduction of nitrate to ammonium, nitrite reduction, nitrate reduction, sulfur reduction, polyphosphate accumulation, denitrifying phosphorus-accumulation, and degradation of aromatic compounds. Results suggested that river populations of <i>Cladophora</i> provide ecologically important habitat for microorganisms that are key to nutrient cycling in lotic ecosystems.
format	article
author	Karnjana Ruen-Pham Linda E. Graham Anchittha Satjarak
author_facet	Karnjana Ruen-Pham Linda E. Graham Anchittha Satjarak
author_sort	Karnjana Ruen-Pham
title	Spatial Variation of <i>Cladophora</i> Epiphytes in the Nan River, Thailand
title_short	Spatial Variation of <i>Cladophora</i> Epiphytes in the Nan River, Thailand
title_full	Spatial Variation of <i>Cladophora</i> Epiphytes in the Nan River, Thailand
title_fullStr	Spatial Variation of <i>Cladophora</i> Epiphytes in the Nan River, Thailand
title_full_unstemmed	Spatial Variation of <i>Cladophora</i> Epiphytes in the Nan River, Thailand
title_sort	spatial variation of <i>cladophora</i> epiphytes in the nan river, thailand
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/147674ec9c9e4240a3ef56dd91a4e4fb
work_keys_str_mv	AT karnjanaruenpham spatialvariationoficladophoraiepiphytesinthenanriverthailand AT lindaegraham spatialvariationoficladophoraiepiphytesinthenanriverthailand AT anchitthasatjarak spatialvariationoficladophoraiepiphytesinthenanriverthailand
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Spatial Variation of <i>Cladophora</i> Epiphytes in the Nan River, Thailand

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