两种猕猴桃属植物菌根真菌群落组成的研究

IF 3.5 3区生物学 Q1 PLANT SCIENCES

Rhizosphere Pub Date : 2025-07-25 DOI:10.1016/j.rhisph.2025.101147

Ines Harzli, Vildan Akın Mutlu, Yasemin Özdener Kömpe

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引用次数: 0

摘要

t rkiye是陆生兰花的生物多样性热点，但与本地Anacamptis物种相关的兰花菌根真菌（OMF）的多样性仍然知之甚少。利用ITS元条形码和omf特异性引物对Anacamptis sancta （Southwest trkiye）和A. coriophora （North trkiye）的根真菌群落进行了表征和比较。这些物种在分布和保护状况上各不相同，其中桑塔被列为近危物种。检测到28个OMF操作分类单位（otu），主要来自土拉草科和角鼻虫科。A. sancta和A. coriophora共有7个otu，分别有13个和8个独特的otu，表明真菌组合具有物种特异性和生境相关性。值得注意的是，在木犀草科和木犀草科中，有罕见的真菌类群为sancta所独有，表明可能存在生态位特化。这是首次记录土耳其Anacamptis物种OMF多样性的研究，为兰花-真菌共生提供了新的见解，并为未来基于地下微生物关联的保护策略提供了信息。

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Insights into mycorrhizal fungal community composition in two Anacamptis species from Türkiye

Türkiye is a biodiversity hotspot for terrestrial orchids, yet the diversity of orchid mycorrhizal fungi (OMF) associated with native Anacamptis species remains poorly understood. We used ITS metabarcoding with OMF-specific primers to characterize and compare root fungal communities in Anacamptis sancta (Southwest Türkiye) and A. coriophora (North Türkiye). These species differ in distribution and conservation status, with A. sancta listed as Near Threatened. We detected 28 OMF operational taxonomic units (OTUs), primarily from Tulasnellaceae and Ceratobasidiaceae. While seven OTUs were shared, A. sancta and A. coriophora harbored 13 and 8 unique OTUs, respectively, indicating species-specific and habitat-linked fungal assemblages. Notably, rare fungal taxa from Atractiellales and Sebacinaceae were exclusive to A. sancta, suggesting potential niche specialization. This is the first study to document OMF diversity in Turkish Anacamptis species, offering new insights into orchid–fungus symbioses and informing future conservation strategies based on belowground microbial associations.

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来源期刊

Rhizosphere Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

5.70

自引率

8.10%

发文量

155

审稿时长

29 days

期刊介绍： Rhizosphere aims to advance the frontier of our understanding of plant-soil interactions. Rhizosphere is a multidisciplinary journal that publishes research on the interactions between plant roots, soil organisms, nutrients, and water. Except carbon fixation by photosynthesis, plants obtain all other elements primarily from soil through roots. We are beginning to understand how communications at the rhizosphere, with soil organisms and other plant species, affect root exudates and nutrient uptake. This rapidly evolving subject utilizes molecular biology and genomic tools, food web or community structure manipulations, high performance liquid chromatography, isotopic analysis, diverse spectroscopic analytics, tomography and other microscopy, complex statistical and modeling tools.