Mycorrhiza最新文献_第3页

In vitro host relationships of ectomycorrhizal Tricholoma kakishimeji and closely related species reflect their habitat characteristics. 外生菌根口蘑及其近缘种的离体寄主关系反映了其生境特征。

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-05-08 DOI: 10.1007/s00572-025-01212-9

Wataru Aoki, Naoki Endo, Yasushi Hashimoto, Mimori Tsuji, Tesuro Ito, Masaki Fukuda, Akiyoshi Yamada

{"title":"In vitro host relationships of ectomycorrhizal Tricholoma kakishimeji and closely related species reflect their habitat characteristics.","authors":"Wataru Aoki, Naoki Endo, Yasushi Hashimoto, Mimori Tsuji, Tesuro Ito, Masaki Fukuda, Akiyoshi Yamada","doi":"10.1007/s00572-025-01212-9","DOIUrl":"10.1007/s00572-025-01212-9","url":null,"abstract":"Tricholoma kakishimeji, a poisonous fungus containing the toxic compound ustalic acid, has sometimes been misidentified as closely related species (T. stans, T. matsushimeji, T. kakishimejioides) under the name T. ustale in Japan until recently. Tricholoma ustale s. str. was not found in Japan according to a recent study, and it has been only recorded in Europe. Here, we report the first comprehensive morphological comparison of ectomycorrhizae among these four Tricholoma species. Several cultured strains of these species were inoculated onto Pinus densiflora in vitro. The resulting ectomycorrhizal pine seedlings were subsequently used as mother plants to establish an ectomycorrhizal system on Fagaceae plants. Although all tested fungal strains formed ectomycorrhizae on pine, mycorrhizal colonization by T. kakishimejioides was limited. On Quercus hosts, T. matsushimeji exhibited discontinuous Hartig net development, whereas T. kakishimeji and T. stans produced distinct Hartig nets. Additionally, ectomycorrhizal biomass development on oak hosts was limited in T. stans and T. matsushimeji. These findings correspond to the habitat characteristics of these fungal species. Ectomycorrhizae of these Tricholoma species sampled from natural forests showed morphological and anatomical characteristics similar to their in vitro ectomycorrhizae, including species-specific hyphal arrangements of the mantle and rhizomorphs. We propose that the ectomycorrhizal specificity of Tricholoma can be experimentally assessed in relation to their genetic background on pine and oak hosts, as well as the phyloecological characteristics of these fungal species.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 3","pages":"37"},"PeriodicalIF":3.3,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144025127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Integrative transcriptomic and physiological analyses uncover mechanisms by which arbuscular mycorrhizal fungi mitigate salt stress in sugar beet. 综合转录组学和生理学分析揭示了丛枝菌根真菌减轻甜菜盐胁迫的机制。

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-28 DOI: 10.1007/s00572-025-01209-4

Zeyuan Cui, Xiaodong Li, Pingan Han, Rui Chen, Yinzhuang Dong, Gui Geng, Lihua Yu, Jiahui Liu, Yao Xu, Yuguang Wang

{"title":"Integrative transcriptomic and physiological analyses uncover mechanisms by which arbuscular mycorrhizal fungi mitigate salt stress in sugar beet.","authors":"Zeyuan Cui, Xiaodong Li, Pingan Han, Rui Chen, Yinzhuang Dong, Gui Geng, Lihua Yu, Jiahui Liu, Yao Xu, Yuguang Wang","doi":"10.1007/s00572-025-01209-4","DOIUrl":"10.1007/s00572-025-01209-4","url":null,"abstract":"Sugar beet (Beta vulgaris L.) is cultivated extensively worldwide as an important cash crop, and soil salinity is a critical factor influencing both its yield and sugar content. Consequently, enhancing the salt tolerance of sugar beet is of paramount importance. Arbuscular mycorrhizal (AM) fungi form symbiotic associations with approximately 80% of vascular plants, thereby improving the adaptability of host plants to adverse conditions. However, the mechanisms by which the AM symbiosis assists sugar beet in coping with salt stress remain poorly understood. To investigate the adaptation strategies employed by AM symbiotic sugar beet under salt stress, we examined physiological and transcriptomic changes in sugar beet seedlings subjected to various treatments, using the KWS1176 variety as the experimental material. The results indicated that AM symbiotic sugar beet demonstrated superior performance under salt stress, characterized by improved seedling growth, alterations in antioxidant enzyme activities, modifications in osmoregulatory substance levels, reduced Na+ uptake, and enhanced K+ influx within the root system. Notably, most of the differentially expressed genes were implicated in pathways related to reactive oxygen species scavenging, phenylpropanoid biosynthesis, and phytohormone signal transduction. Furthermore, pivotal genes identified through weighted gene co-expression network analysis were validated via reverse transcription-quantitative PCR, revealing that the salt tolerance of AM symbiotic sugar beet may be associated with its ionic homeostasis, antioxidant enzyme activities, and regulation of photosynthesis at both transcriptional and physiological levels.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 3","pages":"35"},"PeriodicalIF":3.3,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144010262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Diverse mycorrhizal associations and nutrition in Didymoplexis orchids. 双花兰根菌根的多样性及其营养。

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-26 DOI: 10.1007/s00572-025-01208-5

Yung-I Lee, Franziska E Zahn, Qiao-Yi Xie, Shu-Hui Wu, Gerhard Gebauer

{"title":"Diverse mycorrhizal associations and nutrition in Didymoplexis orchids.","authors":"Yung-I Lee, Franziska E Zahn, Qiao-Yi Xie, Shu-Hui Wu, Gerhard Gebauer","doi":"10.1007/s00572-025-01208-5","DOIUrl":"10.1007/s00572-025-01208-5","url":null,"abstract":"Fully mycoheterotrophic (FMH) orchids rely entirely on mycorrhizal fungi for carbon and nutrients, with tropical Asian FMH orchids typically associating with saprotrophic fungi, though some known relationships also with ectomycorrhizal fungi, leaving much to learn about their fungal partners. Didymoplexis belongs to tribe Gastrodieae, which represents one of the largest fully mycoheterotrophic orchid lineages. Although mycorrhizal associations of its sister genus Gastrodia have been relatively well-studied, those of Didymoplexis remain largely unexplored. Here, we used molecular barcoding to analyze fungal associations and stable isotope analysis to elucidate the nutritional strategies of Didymoplexis micradenia, Didymoplexis pallens, and Didymoplexis siamensis in subtropical and tropical forests across Taiwan. In Didymoplexis pallens and Didymoplexis micradenia, most fungal partners were litter-decaying fungi (Mycena, Clitocybula, Marasmius, Gymnopus) with smaller contributions from ectomycorrhizal and rhizoctonia fungi. In Didymoplexis siamensis, ectomycorrhizal fungi dominated, particularly Sebacinales, however, with additional associations with wood-decaying Delicatula. The pattern of carbon and nitrogen isotope enrichments found for the three Didymoplexis species was in the typical range known for fully mycoheterotrophic orchids associated with litter- or wood-decaying fungi. 15N enrichments of all investigated Didymoplexis species distinguished from fully mycoheterotrophic orchids associated with ectomycorrhizal fungi. Despite its ectomycorrhizal association, Didymoplexis siamensis was weakly enriched in 15N and more enriched in 13C than found for exclusively ectomycorrhizal fully mycoheterotrophic orchids. Thus, Didymoplexis siamensis covered its carbon and nitrogen demand obviously through the additional association with wood-decaying Delicatula. These findings enhance our understanding of the diverse fungal associations and physiological ecology of Didymoplexis species in subtropical and tropical ecosystems.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 3","pages":"34"},"PeriodicalIF":3.3,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143972702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The potential of earthworms and arbuscular mycorrhizal fungi to enhance phytoremediation in heavy metal-contaminated soils: a review. 蚯蚓和丛枝菌根真菌加强重金属污染土壤植物修复的潜力综述。

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-24 DOI: 10.1007/s00572-025-01207-6

Zipeng Chen, Rakhwe Kama, Yiming Cao, Zhen Liu, Jing Qiu, Xu Yang, Huashou Li

{"title":"The potential of earthworms and arbuscular mycorrhizal fungi to enhance phytoremediation in heavy metal-contaminated soils: a review.","authors":"Zipeng Chen, Rakhwe Kama, Yiming Cao, Zhen Liu, Jing Qiu, Xu Yang, Huashou Li","doi":"10.1007/s00572-025-01207-6","DOIUrl":"10.1007/s00572-025-01207-6","url":null,"abstract":"Earthworms and arbuscular mycorrhizal fungi (AMF) are two different organisms playing crucial role in soil mechanisms. The integration of earthworms and AMF in phytoremediation strategies leverages their combined ability to improve soil structure, nutrient availability, and microbial activity while modulating metal bioavailability. These entities promote soil-plant interactions and enhance the phytoremediation process of heavy metals-contaminated soil. This review explores the mechanisms by which earthworms and AMF function individually and in combination in the phytoremediation of heavy metal-contaminated soil. The main objectives of this were determine earthworms heavy metals tolerance, absorption and transformation, as well as the synergistic effect between earthworms and plants. Further, the effects of AMF on heavy metals phytoremedoation process was also analyzed as well as the potential interactions between earthworms and AMF on heavy metals removal. This partnership can optimize plant health and remediation efficiency, making it a promising approach for restoring heavy metal-contaminated soils. Thus an integrated empirical study was conducted to summarize the effects earthworms and AMF interactions on heavy metals phytoremediation and to highlight the impact of their individual and combined actions on the phytoremediation paramters. Avenue for further studies towards improved phytoremediation process we discussed. This review emphasize that earthworms and AMF can be employed as biological method to enhance the phytoextraction by hyperaccumulator plants on severely heavy metal-contaminated soil. Alternatively, in moderately and lowly contaminated farmland, the transfer of heavy metals to the above-ground parts of crops can be reduced to promote safe production.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 3","pages":"33"},"PeriodicalIF":3.3,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144010263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Saprotrophic-mycorrhizal divide in stable isotope composition throughout the whole fungus: from mycelium to hymenophore. 腐生菌根在整个真菌的稳定同位素组成中分裂：从菌丝体到膜膜层。

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-15 DOI: 10.1007/s00572-025-01203-w

A G Zuev, A V Alexandrova, V A Litvinskiy, E S Pravdolyubova, A V Tiunov

{"title":"Saprotrophic-mycorrhizal divide in stable isotope composition throughout the whole fungus: from mycelium to hymenophore.","authors":"A G Zuev, A V Alexandrova, V A Litvinskiy, E S Pravdolyubova, A V Tiunov","doi":"10.1007/s00572-025-01203-w","DOIUrl":"https://doi.org/10.1007/s00572-025-01203-w","url":null,"abstract":"Mycorrhizal and saprotrophic macromycetes contribute strongly to the carbon and nitrogen cycles of forest ecosystems, often studied by tracing stable isotope composition of carbon and nitrogen. The phenomenon of the saprotrophic-mycorrhizal divide highlights the difference in the stable isotope composition of fruiting bodies of mycorrhizal and saprotrophic fungi. Much less is known about the isotopic composition of the mycelium, which plays an important role in the formation of the soil organic matter and fuels the fungal trophic channel in soil food webs. In this study, we assessed whether the saprotrophic-mycorrhizal divide in the natural δ13С and δ15N values can be traced throughout entire fungal organisms. This hypothesis was tested using 16 species of ectomycorrhizal and six species of saprotrophic basidiomycetous fungi. We showed that not only fruiting bodies, but also the mycelium of ectomycorrhizal and saprotrophic fungi differs in the δ13C and δ15N values. In both ectomycorrhizal and saprotrophic fungi, the δ13C and δ15N values increased from mycelium to hymenophores and correlated positively with the total N content in the corresponding tissues. The differences between ectomycorrhizal and saprotrophic mycelium can be used to reconstruct the fungal-driven belowground carbon and nitrogen allocation, and the contribution of saprotrophic and mycorrhizal fungi to soil food webs.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 2","pages":"32"},"PeriodicalIF":3.3,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143981520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Morphological and molecular development of Terfezia claveryi ectendomycorrhizae exhibits three well-defined stages. 附属菌根的形态和分子发育表现为三个明确的阶段。

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-15 DOI: 10.1007/s00572-025-01205-8

Ángel Luigi Guarnizo, José Eduardo Marqués-Gálvez, Francisco Arenas, Alfonso Navarro-Ródenas, Asunción Morte

{"title":"Morphological and molecular development of Terfezia claveryi ectendomycorrhizae exhibits three well-defined stages.","authors":"Ángel Luigi Guarnizo, José Eduardo Marqués-Gálvez, Francisco Arenas, Alfonso Navarro-Ródenas, Asunción Morte","doi":"10.1007/s00572-025-01205-8","DOIUrl":"10.1007/s00572-025-01205-8","url":null,"abstract":"The normal development of mycorrhizal symbiosis is a dynamic process, requiring elaborately regulated interactions between plant roots and compatible fungi, mandatory for both partners´ survival. In the present study, we further elucidated the mycorrhizal development of the desert truffles Terfezia claveryi with the host plant Helianthemum almeriense as an ectendomycorrhizal symbiosis model under greenhouse conditions. To investigate this, we evaluated the morphology of mycorrhizal colonization, concomitantly with the dynamic expression of selected marker genes (6 fungal and 11 plant genes) measured every week until mycorrhiza maturation (three months). We were able to determine 3 main stages in the mycorrhization process, 1) pre-symbiosis stage where mycelium is growing in the soil with no direct interaction with roots, 2) early symbiosis stage when the fungus spreads along the roots intercellularly and plant-fungal signaling is proceeding, and 3) late symbiosis stage where the fungus consolidates and matures with intracellular hyphal colonization; this is characterized by the regulation of cell-wall remodeling processes.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 2","pages":"31"},"PeriodicalIF":3.3,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12000269/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144002110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of agricultural systems on arbuscular mycorrhizal fungi community composition in robusta coffee roots in the Democratic Republic of congo. 农业系统对刚果民主共和国罗布斯塔咖啡根丛枝菌根真菌群落组成的影响。

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-14 DOI: 10.1007/s00572-025-01204-9

Ieben Broeckhoven, Arne Devriese, Olivier Honnay, Roel Merckx, Verbist Bruno

{"title":"Impact of agricultural systems on arbuscular mycorrhizal fungi community composition in robusta coffee roots in the Democratic Republic of congo.","authors":"Ieben Broeckhoven, Arne Devriese, Olivier Honnay, Roel Merckx, Verbist Bruno","doi":"10.1007/s00572-025-01204-9","DOIUrl":"https://doi.org/10.1007/s00572-025-01204-9","url":null,"abstract":"Robusta coffee, grown by 25 million farmers across more than 50 countries, plays an important role in smallholder farmers' livelihoods and the economies of many low-income countries. Coffee establishes a mutualistic symbiosis with arbuscular mycorrhizal fungi (AMF); however, the impact of agricultural practices and soil characteristics on AMF diversity and community composition is not well understood. To address this, we characterised the AMF community composition of robusta coffee in part of its region of origin, the Democratic Republic of Congo. AMF diversity and community composition were compared between coffee monoculture, agroforestry systems and wild robusta in its native rainforest habitat. Using Illumina sequencing on 304 root samples, we identified 307 AMF operational taxonomic units (OTUs), dominated by the genera Glomus and Acaulospora. OTU richness did not vary across the three studied systems, yet large differences in community composition were found. Many unique OTUs were only observed in the coffee in the rainforest. In general, lower available soil phosphorus (P) and lower soil bulk density increased AMF diversity, yet higher available soil P and pH increased AMF diversity in the wild forest coffee. Shifts in AMF community composition across coffee systems were driven by canopy closure, soil pH, available soil P and soil bulk density. Our study is the first to characterise mycorrhizal communities in wild robusta coffee in its region of origin and shows that even low-input agricultural practices result in major AMF community shifts as compared to a natural baseline.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 2","pages":"30"},"PeriodicalIF":3.3,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144006194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High mycorrhizal specificity in the monotypic mycoheterotrophic genus Relictithismia (Thismiaceae). 单型异养菌属Relictithismia （Thismiaceae）的高菌根特异性。

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-10 DOI: 10.1007/s00572-025-01202-x

Kenji Suetsugu, Hidehito Okada

{"title":"High mycorrhizal specificity in the monotypic mycoheterotrophic genus Relictithismia (Thismiaceae).","authors":"Kenji Suetsugu, Hidehito Okada","doi":"10.1007/s00572-025-01202-x","DOIUrl":"https://doi.org/10.1007/s00572-025-01202-x","url":null,"abstract":"Mycoheterotrophic plants, which depend entirely on mycorrhizal fungi for carbon acquisition, often exhibit high specificity toward their fungal partners. Members of Thismiaceae are generally recognized for their extreme mycorrhizal specialization and rarity. In this study, we examined the mycorrhizal associations of Relictithismia, a recently discovered monotypic genus within Thismiaceae, and Thismia abei, a Thismia species with a similar distribution in southern Japan, by employing high-throughput DNA sequencing of the 18S rRNA gene. Our analyses revealed that both R. kimotsukiensis and T. abei are predominantly associated with two specific virtual taxa (VTX00295 and VTX00106) of the genus Rhizophagus (Glomeraceae). These shared associations may reflect either phylogenetic niche conservatism, in which the common ancestor of R. kimotsukiensis and T. abei retained the same AM fungal partners, or convergent evolution, in which the AM fungal phylotypes were independently recruited due to their potential benefits for these mycoheterotrophic plants. Furthermore, BLAST searches demonstrated that VTX00295 and VTX00106 are widely distributed globally, suggesting that highly specialized mycorrhizal interactions are unlikely to be the primary drivers of the limited distribution and rarity of R. kimotsukiensis and T. abei. Overall, our findings enhance our understanding of high mycorrhizal specificity in Thismiaceae. However, broader investigations, combining extensive sampling of Thismiaceae species with ancestral state reconstruction, are needed to determine whether the shared associations detected here reflect phylogenetic niche conservatism or convergent evolution.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 2","pages":"29"},"PeriodicalIF":3.3,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144019219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improving ectomycorrhizal colonization and morpho-physiological traits of Pinus cooperi seedlings through organic nitrogen fertilization. 有机氮肥对松木幼苗外生菌根定植及形态生理性状的影响

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-09 DOI: 10.1007/s00572-025-01206-7

Laura Elena Martínez-Nevárez, José A Sigala, José Ángel Prieto-Ruíz, José Leonardo García-Rodríguez, Mercedes Uscola, Magdalena Martínez-Reyes, Artemio Carrillo-Parra, Pedro Antonio Domínguez-Calleros

{"title":"Improving ectomycorrhizal colonization and morpho-physiological traits of Pinus cooperi seedlings through organic nitrogen fertilization.","authors":"Laura Elena Martínez-Nevárez, José A Sigala, José Ángel Prieto-Ruíz, José Leonardo García-Rodríguez, Mercedes Uscola, Magdalena Martínez-Reyes, Artemio Carrillo-Parra, Pedro Antonio Domínguez-Calleros","doi":"10.1007/s00572-025-01206-7","DOIUrl":"https://doi.org/10.1007/s00572-025-01206-7","url":null,"abstract":"Mycorrhizal associations play a crucial role in afforestation efforts, as they enhance the acquisition of nutrients and water, thereby supporting seedling establishment. However, the influence of nitrogen (N) forms in the soil, particularly the organic N, on the formation of mycorrhizal associations and their subsequent effects on seedling morpho-physiology remains poorly understood. In this study, we examine the mycorrhizal colonization, along with morpho-physiological and functional traits, in Pinus cooperi seedlings following fertilization with organic N in controlled nursery conditions. A factorial experiment was performed with Pinus cooperi C. E. Blanco seedlings using two N sources: organic N (amino acids) and inorganic N (NH4NO3) and two N doses: low and high (60 vs 200 mg N seedling-1). Seedlings were inoculated with a mixture of native fungi, but the phylogenetic analysis showed that Suillus placidus (Bonord.) Singer was the only species colonizing roots. Organic N promoted similar morphology and nutritional status as inorganic N, though at a low N rate, it improved root growth and mycorrhizal colonization. High N fertilization improved seedling growth and nutritional status but reduced mycorrhizal colonization. Mycorrhizal colonization improved needle P concentration, delayed plant desiccation, and reduced root cellular damage when seedlings were subjected to desiccation, though it decreased plant growth and needle N concentration. We conclude that organic N fertilization improves mycorrhization of P. cooperi with S. placidus, but the fertilization dose should be adjusted to meet species-specific requirements in order to optimize plant quality and promote afforestation success.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 2","pages":"28"},"PeriodicalIF":3.3,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144011016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reduction of the α and β diversity of ectomycorrhizal fungal community under snowmelt: highlights from a common garden trial using Abies sachalinensis with differing host origins and light condition. 融雪条件下外生菌根真菌群落α和β多样性的降低：不同寄主来源和光照条件下沙沙林冷杉普通园林试验的亮点

IF 3.3 2区生物学

Mycorrhiza Pub Date : 2025-04-03 DOI: 10.1007/s00572-025-01201-y

Yoriko Sugiyama, Shunsuke Matsuoka, Wataru Ishizuka, Tetsuto Sugai

{"title":"Reduction of the α and β diversity of ectomycorrhizal fungal community under snowmelt: highlights from a common garden trial using Abies sachalinensis with differing host origins and light condition.","authors":"Yoriko Sugiyama, Shunsuke Matsuoka, Wataru Ishizuka, Tetsuto Sugai","doi":"10.1007/s00572-025-01201-y","DOIUrl":"10.1007/s00572-025-01201-y","url":null,"abstract":"The community structure of ectomycorrhizal (ECM) fungi typically displays temporal dynamics. However, heavy snow cover hinders belowground investigations in temperate-to-boreal forests where ECM trees dominate, and the dynamics of the ECM fungal community structure during winter have not been fully elucidated. Given that boreal conifer species start root production in response to snowmelt, studies on the response of the ECM fungal community to snowmelt are needed. In the present study, to infer the community dynamics during the snowmelt season and their susceptibility to host tree conditions, we investigated ECM fungi associated with saplings of the evergreen conifer Abies sachalinensis immediately after the start and end of snowmelt in a common garden experiment. Saplings derived from two sources of contrasting snowfall conditions (heavy vs. little) were grown under two different light conditions (open vs. shaded), and the ECM fungal community dynamics patterns were compared across these combinations. The response of the ECM fungal community structure varied across treatments; although significant loss of ECM fungal operational taxonomic units (OTUs) was observed when saplings from the heavy snowfall region were grown under shade conditions, no change in community structure across the snowmelt season was observed for the other combinations. The stability of community composition despite the change in abiotic conditions with snowmelt, together with the effects of host origin and light conditions on community dynamics patterns, would imply the importance of host-mediated community dynamics of ECM fungi during the snowmelt season.","PeriodicalId":18965,"journal":{"name":"Mycorrhiza","volume":"35 2","pages":"27"},"PeriodicalIF":3.3,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143772370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0