Arbuscular mycorrhizal fungal community composition associated with Juniperus brevifolia in native Azorean forest

Melo, Catarina; Luna, Sara; Krüger, Claudia; Walker, Christopher; Mendonça, Duarte; Fonseca, Henrique M.A.C.; Jaizme-Vega, María del Carmen; Machado, Artur da Câmara

doi:10.1016/j.actao.2016.12.006

Cited by 20 publications

(19 citation statements)

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“…In the case of native fragments of J. brevifolia, the distance between samples taken on each site was between 25 m and 40 m and the distance between sample sites was about 5 km in Terceira and 24 km in São Miguel. The sample collection followed the same procedure as for P. azorica (Melo et al 2017). For all habitat types, each soil sample consisted of approximately 2 kg of rhizosphere soil.…”

Section: Sampling Methodsmentioning

confidence: 99%

“…Open pot-trap cultures (Gilmore 1968) were established from each soil sample collected at semi-natural and intensive pastures with one-week-old Zea mays seedlings (Melo et al 2014). Soil samples collected from the native forests were used to establish two of such cultures, one with one-week-old Z. mays seedlings and another one with micropropagated J. brevifolia and P. azorica seedlings (Melo et al 2017). Establishment of single or multi-spore cultures of the different AM fungal morphotypes with Plantago lanceolata as host plant was attempted in pots of river sand.…”

Section: Sampling Methodsmentioning

confidence: 99%

“…Establishment of single or multi-spore cultures of the different AM fungal morphotypes with Plantago lanceolata as host plant was attempted in pots of river sand. Spores with a healthy appearance (oily contents; without evidence of contamination by non-AMF) of each AM fungal morphotype were used as inoculum by placing them on a seedling root system under a dissecting microscope, immediately before transplanting into the pot (Melo et al 2017. Specimens were given a voucher number, linked to their culture attempt number.…”

Section: Sampling Methodsmentioning

confidence: 99%

“…Individual microscope slides were numbered serially so that photographic images could be traced back to their specimen of origin and details were recorded in a database to allow complete tracking of culturing history and linkage of related voucher specimens. (Melo et al 2017).…”

Section: Sampling Methodsmentioning

confidence: 99%

“…Study area description: All data used in this study came from surveys about AMF diversity and composition in different ecosystems (pasturelands and native forests) conducted in two Islands of the Azorean archipelago, Terceira and São Miguel (Melo et al 2014, Melo et al 2017 (Fig. 1).…”

Section: Project Descriptionmentioning

confidence: 99%

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Distribution of arbuscular mycorrhizal fungi (AMF) in Terceira and São Miguel Islands (Azores)

Melo¹,

Walker²,

Freitas³

et al. 2020

BDJ

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BackgroundThe data, presented here, come from samples collected during three research projects which aimed to assess the impact of land-use type on Arbuscular Mycorrhizal Fungi (AMF) diversity and community composition in pastures of Terceira Island (Azores, Macaronesia, Portugal) and also in the native forest of two Azorean Islands (Terceira and São Miguel; Azores, Macaronesia, Portugal). Both projects contributed to improving the knowledge of AMF community structure at both local and regional scales. ‡, § |, ¶ # ¤ ‡ © Melo C et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. New informationLittle is known on the AMF communities from Azores islands and this study reports the first survey in two Azorean Islands (Terceira and São Miguel). A total of 18,733 glomeromycotan spores were classified at the species level from 244 field soil samples collected in three different habitat types -native forests (dominated by Juniperus brevifolia and Picconia azorica), semi-natural and intensively-managed pastures. Thirty-seven distinct spore morphotypes, representing ten glomeromycotan families, were detected. Species of the family Acaulosporaceae dominated the samples, with 13 species (38% of the taxa), followed by Glomeraceae (6 spp.), Diversisporaceae (4 spp.), Archaeosporaceae (3 spp.), Claroideoglomeraceae (3 spp.), Gigasporaceae (3 spp.), Ambisporaceae and Paraglomeraceae, both with the same number of AMF species (2 spp.), Sacculosporaceae (1 sp.) and Entrophospora (family insertae sedis). Members of the family Acaulosporaceae occurred almost exclusively in the native forests especially associated with the Picconia azorica rhizosphere, while members of Gigasporaceae family showed a high tendency to occupy the semi-natural pastures and the native forests of Picconia azorica. Members of Glomeraceae family were broadly distributed by all types of habitat which confirm the high ecological plasticity of this AMF family to occupy the more diverse habitats. KeywordsArbuscular mycorrhizal fungi (AMF), native forest, Juniperus brevifolia, Picconia azorica, semi-natural and intensive pastures

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Section: Sampling Methodsmentioning

confidence: 99%

Section: Sampling Methodsmentioning

confidence: 99%

Section: Sampling Methodsmentioning

confidence: 99%

Section: Sampling Methodsmentioning

confidence: 99%

Section: Project Descriptionmentioning

confidence: 99%

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Distribution of arbuscular mycorrhizal fungi (AMF) in Terceira and São Miguel Islands (Azores)

Melo¹,

Walker²,

Freitas³

et al. 2020

BDJ

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Biodiversity of arbuscular mycorrhizal fungi in plant roots and rhizosphere soil from different arid land environment of Qatar

2022

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Recently more attention has been observed toward the role of arbuscular mycorrhizal fungi (AMF) in plant growth. Qatar belongs to the Arabian Gulf region with hot and dry climatic conditions. The study aims to investigate the species composition and abundance of AMF in Qatar, rhizosphere soil samples, and roots of plants from 12 families and 8 different locations. The AMF were identified based on the sequencing of the polymerase chain reaction (PCR) product of the amplified conserved ITS region. The reported AMF infection rate was found to vary with location and plant species. Tamarix aphylla recorded the highest AMF infection rate (100%), followed by Blepharis ciliaris (98%) and Sporobolus ioclados (92%). AMF spore counts ranged from 29.3 spores in Blepharis ciliaris to 643 spores/100 g soil in Fagonia indica . No correlation was detected between colonization rate and spore counts. While all AMF identified at species levels were reported in other regions, new species are still expected since some were identified only at higher taxonomic levels. Claroideoglomus drummondii and Rhizophagus irregularis were the most widespread while Claroideoglomus claroideum and Diversispora aurantia were the least present. Our results fill the gap of knowledge of AMF in the region and opens new research toward its future applications for sustainable agriculture.

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Diversity and Ecology of Arbuscular Mycorrhization Fungi

Lara-Capistrán

Hernádez-Montiel²,

Reyes-Pérez

et al. 2021

Innovations in Biotechnology for a Sustainable Future

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Arbuscular mycorrhizal fungal community composition associated with Juniperus brevifolia in native Azorean forest

Cited by 20 publications

References 88 publications

Distribution of arbuscular mycorrhizal fungi (AMF) in Terceira and São Miguel Islands (Azores)

Distribution of arbuscular mycorrhizal fungi (AMF) in Terceira and São Miguel Islands (Azores)

Biodiversity of arbuscular mycorrhizal fungi in plant roots and rhizosphere soil from different arid land environment of Qatar

Diversity and Ecology of Arbuscular Mycorrhization Fungi

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