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High-throughput sequencing with bioinformatics analyses quantified composition and diversity, totaling 22 phyla, 59 classes, 155 orders, 268 families, 523 genera, 929 species, and 2045 OTUs. Alpha diversity varied significantly among compartments, with the rhizosphere highest and endosphere lower. PCoA showed ‘Huaxin’ forming a distinct community, while network analysis suggested mainly positive interactions.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/effects-of-different-varieties-of-camellia-oleifera-on-root-associated-bacterial-community-structure-and-co-occurrence-network/464889/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/effects-of-different-varieties-of-camellia-oleifera-on-root-associated-bacterial-community-structure-and-co-occurrence-network/464889.png","ImageObject",300,407,{"name":92,"@type":93},"Oliver","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-07","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Which root compartments and cultivars were compared in the study?","Question",{"text":112,"@type":113},"The study compared non-rhizosphere soil, rhizosphere soil, rhizosphere, and endosphere, across three cultivars: ‘Huashuo’, ‘Huajin’, and ‘Huaxin’.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What sequencing and analysis approaches were used?",{"text":117,"@type":113},"High-throughput sequencing was used to profile bacterial communities, followed by bioinformatics analyses to evaluate community composition, diversity, and patterns of association.",{"name":119,"@type":110,"acceptedAnswer":120},"How did root compartments and cultivars affect bacterial diversity and structure?",{"text":121,"@type":113},"Root compartments significantly influenced diversity and composition, with the rhizosphere showing the highest diversity. 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Glick, Yuan Li, Yangzhou Xiang, Jihui Tianand Fuhong Miao  \nReceived: 28 October 2025  \nRevised: 26 December 2025  \nAccepted: 26 December 2025  \nPublished: 30 December 2025  \nCopyright: © 2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.  \n1 Hunan Provincial Key Laboratory for Control of Forest Diseases and Pests, Key Laboratory of National Forestry and Grassland Administration for Control of Diseases and Pests of Southern Plantation, Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China; [christu25@163.com](christu25@163.com) (J.Z.)  \n2 Xiangtan Forestry Science Institute, Xiangtan 411206, China  \n* Correspondence: [zgyingqq@163.com](zgyingqq@163.com) (G.Z.); [kjc9620@163.com](kjc9620@163.com) (J.L.); Tel.: +86-13875887512 (G.Z.);+86-13875889577 (J.L.)  \nSimple Summary  \nCamellia oleifera is an important woody oil crop in China. Root-associated bacteria play critical roles in plant growth and health. This study investigated the bacterial community structure and co-occurrence networks in non-rhizosphere soil, rhizosphere soil, rhizosphere, and endosphere of three C. oleifera varieties (‘Huashuo’,‘Huajin’,‘Huaxin’) using highthroughput sequencing. The results showed that root compartments significantly affected bacterial diversity and composition, with the rhizosphere having the highest diversity. Varietal differences altered the bacterial community structure, especially for ‘Huaxin’, which harbored a distinct community. Acidothermus, Sphingomonas, and Actinospica were identified as key taxa maintaining community stability. This study provides insights into the plant-microbe interactions in C. oleifera and a theoretical basis for microbiota-based crop management.  \nAbstract  \nThis study investigates the bacterial community structure and diversity across different root compartments (non-rhizosphere soil, rhizosphere soil, rhizosphere, and endosphere) of Camellia oleifera and their associations with three cultivars (‘Huashuo’,‘Huajin’,‘Huaxin’) . High-throughput sequencing and bioinformatics analyses were performed to characterize the bacterial communities. A total of 22 phyla, 59 classes, 155 orders, 268 families, 523 genera, 929 species, and 2045 operational taxonomic units (OTUs) were identified. Alpha diversity indices (Shannon, Simpson, Chao1) showed no statistically significant differences among the three cultivars, but varied significantly across root compartments. The rhizosphere exhibited the highest bacterial diversity and richness, which was significantly higher than that in the endosphere. At the phylum level, Proteobacteria, Chloroflexi, Actinobacteriota, Acidobacteriota, Firmicutes, and Bacteroidetes dominated the communities. Significant differences were observed in the relative abundance of dominant genera (e.g., Proteus, actinomycetes) among varieties and root compartments. PCoA analysis revealed that ‘Huaxin’ had a distinct bacterial community structure compared to ‘Huashuo’and ‘Huajin’, while the endosphere was separated from other compartments. Interaction network analysis indicated that most bacterial interactions were positive, with Colidextribacter, Uliginosibacterium, and Aliidongia showing the highest centrality, suggesting their key roles in maintaining community stability. This study provides novel insights into the distribution patterns and driving factors of root-associated bacteria in C. oleifera, laying a  \ntheoretical foundation for future research on disease contro","cbCailgULLNM9e9T","https://ap.wps.com/l/cbCailgULLNM9e9T","pdf",7560198,16,"English","# Introduction\n# Results\n## Community structure and diversity across compartments\n## Cultivar-specific differences\n## Co-occurrence network and key taxa\n# Discussion\n# Materials and Methods\n# Conclusions","[{\"question\":\"Which root compartments and cultivars were compared in the study?\",\"answer\":\"The study compared non-rhizosphere soil, rhizosphere soil, rhizosphere, and endosphere, across three cultivars: ‘Huashuo’, ‘Huajin’, and ‘Huaxin’.\"},{\"question\":\"What sequencing and analysis approaches were used?\",\"answer\":\"High-throughput sequencing was used to profile bacterial communities, followed by bioinformatics analyses to evaluate community composition, diversity, and patterns of association.\"},{\"question\":\"How did root compartments and cultivars affect bacterial diversity and structure?\",\"answer\":\"Root compartments significantly influenced diversity and composition, with the rhizosphere showing the highest diversity. Cultivar differences were evident as ‘Huaxin’ displayed a distinct community structure compared with the other two cultivars.\"}]","Effects of Different Varieties of Camellia oleifera on Root-Associated Bacterial Community Structure and Co-Occurrence Network | PDF",1790768861]