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

IF 2 4区 生物学 Q2 AGRONOMY
Mycobiology Pub Date : 2025-08-07 eCollection Date: 2025-01-01 DOI:10.1080/12298093.2025.2535775
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
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引用次数: 0

摘要

spathulata是一种罕见的落叶灌木,原产于东亚,在韩国濒临灭绝,但对其与土壤真菌群落的相互作用知之甚少。本研究首次综合分析了韩国天城山天然生境spathulata根面(RP)、根际(RS)和周围土壤(SS)的真菌和细菌群落。ITS和16S rRNA基因区域的高通量测序揭示了不同土壤区室的微生物组合。真菌类群如Russula、Trechispora和Capronia富含RP和RS,突出了它们在养分循环、有机质分解和共生中的潜在作用。相比之下,SS表现出更高的真菌丰富度,但专业化程度较低。在细菌中,根相关区室富含芽孢杆菌和慢生根瘤菌等植物有益属,而大块土壤则含有更多的通用类群。土壤理化分析表明,土壤有机质和全氮含量均高于土壤有机质和全氮含量。相关性和网络分析发现,特定真菌和细菌分类群与土壤的关键性质(包括pH、OM和阳离子交换能力)之间存在密切联系。这些结果表明,肉鸡调节其RS微生物组,以提高养分利用率和胁迫耐受性。本研究强调了根相关微生境中真菌群落的生态学意义,为将土壤微生物群纳入濒危植物保护和生境恢复工作提供了基础知识。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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.

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来源期刊
Mycobiology
Mycobiology AGRONOMYMYCOLOGY-MYCOLOGY
CiteScore
3.90
自引率
5.30%
发文量
41
审稿时长
22 weeks
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.
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