Culturable Fungi Recovered from Deep-Sea Sediments: Diversity, Phylogenetic Placement, and In Vitro Antagonistic Activity Against Phytopathogenic Fungi.

Xiaoxiong Xu, Zhongmin Lin, Tianyou Liao, Jiacheng Guo, Jiajun Li, Jianping Li, Hanqing Wang, Huimin Feng, Kexian Yi

Abstract read

In one paragraph

Article in Journal of fungi (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Xiaoxiong XuSchool of Life and Health Sciences, Hainan International One Health Institute, Hainan University, Haikou 570228, China.ORCID 0009-0001-1204-6941

Zhongmin LinKey Laboratory for Tropical Crop Molecular Breeding, Hainan Tropical Ocean University, Sanya 572022, China.

Tianyou LiaoKey Laboratory for Tropical Crop Molecular Breeding, Hainan Tropical Ocean University, Sanya 572022, China.

Jiacheng GuoKey Laboratory for Tropical Crop Molecular Breeding, Hainan Tropical Ocean University, Sanya 572022, China.

Jiajun LiKey Laboratory for Tropical Crop Molecular Breeding, Hainan Tropical Ocean University, Sanya 572022, China.ORCID 0009-0002-3951-2567

Jianping LiKey Laboratory for Tropical Crop Molecular Breeding, Hainan Tropical Ocean University, Sanya 572022, China.

Hanqing WangKey Laboratory for Tropical Crop Molecular Breeding, Hainan Tropical Ocean University, Sanya 572022, China.

Huimin FengKey Laboratory for Tropical Crop Molecular Breeding, Hainan Tropical Ocean University, Sanya 572022, China.ORCID 0009-0002-2214-9044

Kexian YiSanya Research Institute, Chinese Academy of Tropical Agricultural Sciences, Sanya 572025, China.

Funding

Department of Science and Technology of Hainan Province Hainan Provincial Science and Technology Talent Innovation Project (Grant No. KJRC2023B18)Department of Science and Technology of Hainan Province Natural Science Fund Projects of Hainan Province (Grant No. 321RC748)Hainan Tropical Ocean University Scientific Research Foundation of Hainan Tropical Ocean University (Grant No. RHDRC202338)

6 · The paper itself

Abstract

Deep-sea sediment-derived fungal isolates remain underrepresented in organized living collections for phenotype-based screening. We applied 12 complementary isolation protocols-dilution plating, ethylenediaminetetraacetic acid (EDTA) pretreatment, and plate stamping-to four deep-sea sediment materials (2595-6000 m) representing three sampling units from the Mariana Trench slope region and the South China Sea. After morphotype-based purification, isolates were characterized by internal transcribed spacer (ITS) closest-match analysis and phylogenetic placement; selected representatives were further screened against five phytopathogenic strains using dual-culture, culture filtrate, and volatile organic compound (VOC) assays. In total, 159 isolates were placed within Ascomycota, Basidiomycota, and Mucoromycota, representing 35 closest-match genus-level groups and 22 low-similarity ITS phylotypes (<95% similarity) preserved as living cultures.

Indexed as

antifungal activityculturable fungideep-sea sedimentsfungal diversityITS phylogenylow-similarity phylotypesvolatile organic compounds

Identifiers

PMID42646071

DOI10.3390/jof12080544

PMCPMC13514472

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