Fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China

Abstract Epiphytic orchids exhibit varying degrees of phorophyte tree specificity. We performed a pilot study to investigate why epiphytic orchids prefer or avoid certain trees. We selected two orchid species, Panisea uniflora and Bulbophyllum odoratissimum co-occurring in a forest habitat in southe...

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Autores principales:	Lorenzo Pecoraro, Hanne N. Rasmussen, Sofia I. F. Gomes, Xiao Wang, Vincent S. F. T. Merckx, Lei Cai, Finn N. Rasmussen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4fe6639b92374dfb85fb8961b65fa8c4
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spelling	oai:doaj.org-article:4fe6639b92374dfb85fb8961b65fa8c42021-12-02T15:00:51ZFungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China10.1038/s41598-021-90877-12045-2322https://doaj.org/article/4fe6639b92374dfb85fb8961b65fa8c42021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90877-1https://doaj.org/toc/2045-2322Abstract Epiphytic orchids exhibit varying degrees of phorophyte tree specificity. We performed a pilot study to investigate why epiphytic orchids prefer or avoid certain trees. We selected two orchid species, Panisea uniflora and Bulbophyllum odoratissimum co-occurring in a forest habitat in southern China, where they showed a specific association with Quercus yiwuensis and Pistacia weinmannifolia trees, respectively. We analysed a number of environmental factors potentially influencing the relationship between orchids and trees. Difference in bark features, such as water holding capacity and pH were recorded between Q. yiwuensis and P. weinmannifolia, which could influence both orchid seed germination and fungal diversity on the two phorophytes. Morphological and molecular culture-based methods, combined with metabarcoding analyses, were used to assess fungal communities associated with studied orchids and trees. A total of 162 fungal species in 74 genera were isolated from bark samples. Only two genera, Acremonium and Verticillium, were shared by the two phorophyte species. Metabarcoding analysis confirmed the presence of significantly different fungal communities on the investigated tree and orchid species, with considerable similarity between each orchid species and its host tree, suggesting that the orchid-host tree association is influenced by the fungal communities of the host tree bark.Lorenzo PecoraroHanne N. RasmussenSofia I. F. GomesXiao WangVincent S. F. T. MerckxLei CaiFinn N. RasmussenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lorenzo Pecoraro Hanne N. Rasmussen Sofia I. F. Gomes Xiao Wang Vincent S. F. T. Merckx Lei Cai Finn N. Rasmussen Fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China
description	Abstract Epiphytic orchids exhibit varying degrees of phorophyte tree specificity. We performed a pilot study to investigate why epiphytic orchids prefer or avoid certain trees. We selected two orchid species, Panisea uniflora and Bulbophyllum odoratissimum co-occurring in a forest habitat in southern China, where they showed a specific association with Quercus yiwuensis and Pistacia weinmannifolia trees, respectively. We analysed a number of environmental factors potentially influencing the relationship between orchids and trees. Difference in bark features, such as water holding capacity and pH were recorded between Q. yiwuensis and P. weinmannifolia, which could influence both orchid seed germination and fungal diversity on the two phorophytes. Morphological and molecular culture-based methods, combined with metabarcoding analyses, were used to assess fungal communities associated with studied orchids and trees. A total of 162 fungal species in 74 genera were isolated from bark samples. Only two genera, Acremonium and Verticillium, were shared by the two phorophyte species. Metabarcoding analysis confirmed the presence of significantly different fungal communities on the investigated tree and orchid species, with considerable similarity between each orchid species and its host tree, suggesting that the orchid-host tree association is influenced by the fungal communities of the host tree bark.
format	article
author	Lorenzo Pecoraro Hanne N. Rasmussen Sofia I. F. Gomes Xiao Wang Vincent S. F. T. Merckx Lei Cai Finn N. Rasmussen
author_facet	Lorenzo Pecoraro Hanne N. Rasmussen Sofia I. F. Gomes Xiao Wang Vincent S. F. T. Merckx Lei Cai Finn N. Rasmussen
author_sort	Lorenzo Pecoraro
title	Fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China
title_short	Fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China
title_full	Fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China
title_fullStr	Fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China
title_full_unstemmed	Fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China
title_sort	fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern china
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/4fe6639b92374dfb85fb8961b65fa8c4
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Fungal diversity driven by bark features affects phorophyte preference in epiphytic orchids from southern China

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