Scleroderma meridionale ectomycorrhizae on Halimium halimifolium: expanding the Mediterranean symbiotic repertoire

Leonardi, Marco; Neves, Maria-Alice; Comandini, Ornella; Rinaldi, Andrea C.

doi:10.1007/s13199-018-0548-1

Cited by 7 publications

(5 citation statements)

References 46 publications

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“…This was the first description of an ectomycorrhiza on Halimium. The features of this ECM-felty mantle surface, whitish with silver patches, mantle surface characterized by a network of branched hyphae organized in hyphal bundles, small dimension of mycorrhizal system-are similar to those reported for the few described naturally occurring Scleroderma ECMs and to other ECMs formed by Cistaceae (Leonardi et al 2018).…”

Section: Walking Hand In Hand With Halimiumsupporting

confidence: 73%

“…Based on field observations, S. meridionale has been reported as associated with both evergreen and deciduous species of Quercus, Pinus, and also Cistus (Comandini et al 2006;Phosri et al 2009;Dimou et al 2016). We recently described the morpho-anatomical features of the ectomycorrhizae formed by S. meridionale on H. halimifolium, with the help of confocal laser scanning microscopy; the mycobiont and host plant identity from the ECM root tips were verified through molecular tools (Leonardi et al 2018). This was the first description of an ectomycorrhiza on Halimium.…”

Section: Walking Hand In Hand With Halimiummentioning

confidence: 93%

“…We recently described, for the first time, the morphoanatomical features of an ectomycorrhiza on Halimium, formed by Scleroderma meridionale Demoulin & Malençon on Halimium halimifolium (L.) Willk. (Leonardi et al 2018). In the current paper, we report new data on Halimium mycobionts, as observed in pure stands occurring in Sardinia, Italy, through both sporocarps and ectomycorrhizal root tip collections.…”

Section: Introductionmentioning

confidence: 99%

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Halimium as an ectomycorrhizal symbiont: new records and an appreciation of known fungal diversity

et al. 2020

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Halimium is a genus of Cistaceae, containing a small group of shrub species found in open vegetation types and in degraded forest patches throughout the western and central Mediterranean region. We recently described the morpho-anatomical features of the ectomycorrhizae formed by Scleroderma meridionale on Halimium halimifolium, but the mycorrhizal biology of this host plant genus is still largely unexplored. Here, we report new data on the ectomycorrhizal fungal symbionts of Halimium, based on the collection of sporocarps and ectomycorrhizal root tips in pure stands occurring in Sardinia, Italy. To obtain a broader view of Halimium mycorrhizal and ecological potential, we compiled a comprehensive and up-to-date checklist of fungal species reported to establish ectomycorrhizae on Halimium spp. on the basis of field observations, molecular approaches, and mycorrhiza synthesis. Our list comprises 154 records, corresponding to 102 fungal species and 35 genera, revealing a significant diversity of the Halimium ectomycorrhizal mycobiota. Key ectomycorrhizal genera like Russula, Lactarius/Lactifluus, Amanita, Inocybe, and Cortinarius account for more than half of all mycobionts. A large proportion of Halimium fungal species are shared with other host plants in various ecological settings, suggesting a critical role of common mycorrhizal networks in the function played by this shrub in various Mediterranean ecosystems.

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Section: Walking Hand In Hand With Halimiumsupporting

confidence: 73%

Section: Walking Hand In Hand With Halimiummentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

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Halimium as an ectomycorrhizal symbiont: new records and an appreciation of known fungal diversity

et al. 2020

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“…Studies focusing on vegetation types that associate with both EMF and AMF may enhance our understanding of the extent to which mycorrhizal fungi contribute to SOM dynamics and ecosystem nutrient economy (Phillips et al ., 2013). Mixed EM/AM shrublands dominated by shrubs of the Cistaceae family are endemic‐rich communities that occupy vast areas of the drier parts of the Mediterranean region (Comandini et al ., 2006; Leonardi et al ., 2018; Marqués‐Gálvez et al ., 2020). Shrublands allow easier experimental manipulation of temperature and rainfall than forests due to smaller plant size and, therefore, provide convenient model systems for assessing the impacts of simulated climate warming and drying on vegetation and soil fungal communities (León‐Sánchez et al ., 2018, 2020).…”

Section: Introductionmentioning

confidence: 99%

Lower relative abundance of ectomycorrhizal fungi under a warmer and drier climate is linked to enhanced soil organic matter decomposition

et al. 2021

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Summary The aboveground impacts of climate change receive extensive research attention, but climate change could also alter belowground processes such as the delicate balance between free‐living fungal decomposers and nutrient‐scavenging mycorrhizal fungi that can inhibit decomposition through a mechanism called the Gadgil effect. We investigated how climate change‐induced reductions in plant survival, photosynthesis and productivity alter soil fungal community composition in a mixed arbuscular/ectomycorrhizal (AM/EM) semiarid shrubland exposed to experimental warming (W) and/or rainfall reduction (RR). We hypothesised that increased EM host plant mortality under a warmer and drier climate might decrease ectomycorrhizal fungal (EMF) abundance, thereby favouring the proliferation and activity of fungal saprotrophs. The relative abundance of EMF sequences decreased by 57.5% under W+RR, which was accompanied by reductions in the activity of hydrolytic enzymes involved in the acquisition of organic‐bound nutrients by EMF and their host plants. W+RR thereby created an enhanced potential for soil organic matter (SOM) breakdown and nitrogen mineralisation by decomposers, as revealed by 127–190% increases in dissolved organic carbon and nitrogen, respectively, and decreasing SOM content in soil. Climate aridification impacts on vegetation can cascade belowground through shifts in fungal guild structure that alter ecosystem biogeochemistry and accelerate SOM decomposition by reducing the Gadgil effect.

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“…The ectomycorrhizal fungi include three divisions namely: Ascomycota, Basidiomycota and Zygomycota, there are >250 genera and an estimated 20,000 species (Janowski and Leski 2023). Amongst them is the Scleroderma group which is distributed worldwide in temperate and tropical regions, and forms ectomycorrhizae with various woody plants including members of the families Caesalpiniaceae, Dipterocarpaceae, Fagaceae, Myrtaceae, Phyllanthaceae, and Pinaceae (Hibbett et al 2007;Mrak et al 2017;Leonardi et al 2018). In Index Fungorum data (online), it is found about 199 of Scleroderma listed (https://www.indexfungorum.org/ names/Names.asp, accessed on 4 August 2023).…”

Section: Introductionmentioning

confidence: 99%

New records of the diversity of Scleroderma spp. from Papua, Indonesia

SUFAATI,

SUHARNO,

AGUSTINI

et al. 2023

Biodiversitas

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Abstract. Sufaati S, Suharno, Agustini V, Suwannasai N. 2023. New records of the diversity of Scleroderma spp. from Papua, Indonesia. Biodiversitas 24: 4269-4276. Papuan forest is one of the highest diversity tropical rainforests in the world. However, in some areas it is undergoing in process of land degradation. Reforestation using local plant inoculated with native mycorrhiza may have better results since they will be more adaptable. Mycorrhiza helps in plant nutrient uptake and ameliorates heavy metals in mining areas. Genus Scleroderma is a group of ectomycorrhiza that can be found at early stage of succession. However, to date there has been little study on its taxonomy. This study was conducted to construct the database on the diversity of Scleroderma spp. in Papua, Indonesia. Samples were collected from several areas in the provinces of Papua and West Papua from 2003 to 2022. Morphological characters and its habitat were observed. The results show, that 23 isolates had been documented. Molecular identification using ITS sequences was used to confirm the Scleroderma to the species level. The results found at least 3 species of Scleroderma, namely: Scleroderma suthepense, S. xanthochroum, and S. sinnamariense were identified based on morphological and molecular analysis, while S. citrinum was identified morphologically. This finding provides new data on the distribution of Sclerodermataceae in Papua. The results of this preliminary study are important for selecting native Scleroderma spp. for inoculation programs in degraded land.

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Scleroderma meridionale ectomycorrhizae on Halimium halimifolium: expanding the Mediterranean symbiotic repertoire

Cited by 7 publications

References 46 publications

Halimium as an ectomycorrhizal symbiont: new records and an appreciation of known fungal diversity

Halimium as an ectomycorrhizal symbiont: new records and an appreciation of known fungal diversity

Lower relative abundance of ectomycorrhizal fungi under a warmer and drier climate is linked to enhanced soil organic matter decomposition

New records of the diversity of Scleroderma spp. from Papua, Indonesia

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