Young-Hyun You, Hyeon-Jeong Bae, Jong Myong Park, Youn-Bong Ku, Gi-Heum Nam, Tae Won Kwak, Yeo Jin Bang, Tae-Yong Jeong, Ji Won Hong
{"title":"草甘膦根际和根际真菌和细菌群落动态与土壤性质的关系","authors":"Young-Hyun You, Hyeon-Jeong Bae, Jong Myong Park, Youn-Bong Ku, Gi-Heum Nam, Tae Won Kwak, Yeo Jin Bang, Tae-Yong Jeong, Ji Won Hong","doi":"10.1080/12298093.2025.2535775","DOIUrl":null,"url":null,"abstract":"<p><p><i>Diabelia spathulata</i>, a rare deciduous shrub native to East Asia, is critically endangered in Korea, yet little is known about its interactions with soil fungal communities. This study presents the first comprehensive analysis of fungal and bacterial communities in the rhizoplane (RP), rhizosphere (RS), and surrounding soil (SS) of <i>D. spathulata</i> in its natural habitat on Mt. Cheonseong, South Korea. High-throughput sequencing of the ITS and 16S rRNA gene regions revealed distinct microbial assemblages across soil compartments. Fungal taxa such as <i>Russula</i>, <i>Trechispora</i>, and <i>Capronia</i> were enriched in RP and RS, highlighting their potential roles in nutrient cycling, organic matter (OM) decomposition, and symbiosis. In contrast, the SS exhibited greater fungal richness but lower specialization. Among bacteria, root-associated compartments were enriched with plant-beneficial genera such as <i>Bacillus</i> and <i>Bradyrhizobium</i>, while bulk soil hosted more generalist taxa. Soil physicochemical analyses showed higher OM and total nitrogen in RS compared to SS, indicating root-driven enrichment. Correlation and network analyses identified strong links between specific fungal and bacterial taxa and key soil properties including pH, OM, and cation exchange capacity. These results suggest that <i>D. spathulata</i> modulates its RS microbiome to enhance nutrient availability and stress tolerance. This study highlights the ecological significance of fungal communities in root-associated microhabitats and provides foundational knowledge for incorporating soil microbiota into conservation and habitat restoration efforts for endangered plant species.</p>","PeriodicalId":18825,"journal":{"name":"Mycobiology","volume":"53 5","pages":"605-619"},"PeriodicalIF":2.0000,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12337736/pdf/","citationCount":"0","resultStr":"{\"title\":\"Fungal and Bacterial Community Dynamics in the Rhizosphere and Rhizoplane of <i>Diabelia spathulata</i> in Relation to Soil Properties.\",\"authors\":\"Young-Hyun You, Hyeon-Jeong Bae, Jong Myong Park, Youn-Bong Ku, Gi-Heum Nam, Tae Won Kwak, Yeo Jin Bang, Tae-Yong Jeong, Ji Won Hong\",\"doi\":\"10.1080/12298093.2025.2535775\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p><i>Diabelia spathulata</i>, a rare deciduous shrub native to East Asia, is critically endangered in Korea, yet little is known about its interactions with soil fungal communities. This study presents the first comprehensive analysis of fungal and bacterial communities in the rhizoplane (RP), rhizosphere (RS), and surrounding soil (SS) of <i>D. spathulata</i> in its natural habitat on Mt. Cheonseong, South Korea. High-throughput sequencing of the ITS and 16S rRNA gene regions revealed distinct microbial assemblages across soil compartments. Fungal taxa such as <i>Russula</i>, <i>Trechispora</i>, and <i>Capronia</i> were enriched in RP and RS, highlighting their potential roles in nutrient cycling, organic matter (OM) decomposition, and symbiosis. In contrast, the SS exhibited greater fungal richness but lower specialization. Among bacteria, root-associated compartments were enriched with plant-beneficial genera such as <i>Bacillus</i> and <i>Bradyrhizobium</i>, while bulk soil hosted more generalist taxa. Soil physicochemical analyses showed higher OM and total nitrogen in RS compared to SS, indicating root-driven enrichment. Correlation and network analyses identified strong links between specific fungal and bacterial taxa and key soil properties including pH, OM, and cation exchange capacity. These results suggest that <i>D. spathulata</i> modulates its RS microbiome to enhance nutrient availability and stress tolerance. 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Fungal and Bacterial Community Dynamics in the Rhizosphere and Rhizoplane of Diabelia spathulata in Relation to Soil Properties.
Diabelia spathulata, a rare deciduous shrub native to East Asia, is critically endangered in Korea, yet little is known about its interactions with soil fungal communities. This study presents the first comprehensive analysis of fungal and bacterial communities in the rhizoplane (RP), rhizosphere (RS), and surrounding soil (SS) of D. spathulata in its natural habitat on Mt. Cheonseong, South Korea. High-throughput sequencing of the ITS and 16S rRNA gene regions revealed distinct microbial assemblages across soil compartments. Fungal taxa such as Russula, Trechispora, and Capronia were enriched in RP and RS, highlighting their potential roles in nutrient cycling, organic matter (OM) decomposition, and symbiosis. In contrast, the SS exhibited greater fungal richness but lower specialization. Among bacteria, root-associated compartments were enriched with plant-beneficial genera such as Bacillus and Bradyrhizobium, while bulk soil hosted more generalist taxa. Soil physicochemical analyses showed higher OM and total nitrogen in RS compared to SS, indicating root-driven enrichment. Correlation and network analyses identified strong links between specific fungal and bacterial taxa and key soil properties including pH, OM, and cation exchange capacity. These results suggest that D. spathulata modulates its RS microbiome to enhance nutrient availability and stress tolerance. This study highlights the ecological significance of fungal communities in root-associated microhabitats and provides foundational knowledge for incorporating soil microbiota into conservation and habitat restoration efforts for endangered plant species.
期刊介绍:
Mycobiology is an international journal devoted to the publication of fundamental and applied investigations on all aspects of mycology and their traditional allies. It is published quarterly and is the official publication of the Korean Society of Mycology. Mycobiology publishes reports of basic research on fungi and fungus-like organisms, including yeasts, filamentous fungi, lichen fungi, oomycetes, moulds, and mushroom. Topics also include molecular and cellular biology, biochemistry, metabolism, developmental biology, environmental mycology, evolution, ecology, taxonomy and systematics, genetics/genomics, fungal pathogen and disease control, physiology, and industrial biotechnology using fungi.