Topics and Trends in Most Cited Microbial Community Ecology and Physiology Papers, Class of 2026

What topics and trends defined most-cited Microbial Community Ecology and Physiology research in the Class of 2026?

Microbial carbon use efficiency dominates the 2026 cohort, driven by a growing focus on mechanistic soil ecology. High-throughput tools like metagenomics and 16S sequencing remain foundational, while specialized topics like network complexity and salt stress showed the largest year-over-year gains in citation share.

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Updated July 19, 2026

At a glance

Field: Microbial Community Ecology and Physiology
Cohort label: Class of 2026 (2024 publications)
Papers analyzed: 8739
Papers ranked: 20
Top topics in ranked papers: Microbial carbon use efficiency, 16S rRNA gene sequencing, Metagenomics, Microbial necromass
Publication window: Jan 1, 2024 – Dec 31, 2024
Eligibility: Research articles; reviews excluded
Citation window: 18 months post-publication
18m citation range: 78–203
Data source: OpenAlex · Retrieved July 2026
License: CC BY 4.0

Rankings

20 papers ranked by 18-month citation count

#1 of 8,739

20318m citations

EzBioCloud: a genome-driven database and platform for microbiome identification and discovery

Mauricio Chalita et al.INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY202410.1099/ijsem.0.006421

Mauricio ChalitaCJ Bioscience Inc, South Korea

EzBioCloud16S rRNA gene sequencinggenome sequence comparisonAverage nucleotide identitybacterial core genesTaxonomic assignmentNCBI Assembly Databasequality control protocolsCandidate speciesvalidly published namesBacteria and Archaea classificationmicrobiome identificationwhole-genome assembliesunderrepresented lineages

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#2 of 8,739

16918m citations

The nature of the last universal common ancestor and its impact on the early Earth system

Edmund R R Moody et al.Nature Ecology & Evolution202410.1038/s41559-024-02461-1

Edmund R. R. Moody, Davide Pisani, Tom A. Williams, Timothy M. Lenton, Philip C. J. DonoghueUniversity of Bristol, United Kingdom

last universal common ancestor (LUCA)divergence time analysispre-LUCA gene duplicatescross-bracing calibrationmicrobial fossilsisotope recordsphylogenetic reconciliationgenome size estimationprokaryote-grade organismanaerobic acetogenearly immune systemhydrogen recyclingatmospheric photochemistryearly ecosystem productivityMicrobial interactions4.2 Ga age estimatecore metabolism reconstructiongeochemistry dependenceArchean Earth system

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#3 of 8,739

13818m citations

Soil microbiomes show consistent and predictable responses to extreme events

Christopher G Knight, Océane Nicolitch, Franciska T de Vries et al.Nature202410.1038/s41586-024-08185-3

Christopher G. Knight, Robert I. Griffiths, Franciska T. de VriesUniversity of Manchester, United Kingdom

extreme climatic eventsSoil microbiomegrassland soilsDrought stressflood treatmentfreezing treatmentheat treatmentphylogenetically conserved responsedormancy genessporulation genesmetabolic versatilitylocal climatic conditionsBiogeochemical cyclingmicrobial community responseEcosystem functioningSoil propertiesclimate vulnerability

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#4 of 8,739

13718m citations

Nitrogen-fixing organelle in a marine alga

Tyler H Coale, Valentina Loconte et al.Science202410.1126/science.adk1075

Tyler H. Coale, Valentina Loconte, Jonathan P. ZehrUniversity of California, Santa Cruz, United States

Candidatus Atelocyanobacterium thalassanitroplastnitrogen-fixing organelleBiological nitrogen fixationendosymbiosisorganellogenesismarine unicellular algacyanobacteriumprotein importorganellar divisionmetabolically streamlined cyanobacteriumalgal cell architecturehost-encoded proteinsprokaryote-eukaryote symbiosisammonia production

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#5 of 8,739

13618m citations

The microbial carbon pump and climate change

Nianzhi Jiao et al.Nature Reviews Microbiology202410.1038/s41579-024-01018-0

Nianzhi JiaoXiamen University, China

microbial carbon pumprecalcitrant dissolved organic matterMicrobial metabolismocean carbon sequestrationDissolved organic carboncarbon cycle feedbackmarine microbial communitiesrefractory organic compoundsbiological carbon pumpocean warmingMicrobial transformationscarbon storage timescalesgreenhouse gas regulationMicrobial necromassocean acidification effects

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#6 of 8,739

12818m citations

Global marine microbial diversity and its potential in bioprospecting

Jianwei Chen, Yangyang Jia, Ying Sun, Kun Liu et al.Nature202410.1038/s41586-024-07891-2

Ying Sun, Thomas Möck, Shengying Li, Wenwei Zhang, Guangyi FanBGI Research, China

marine metagenomesbacterial and archaeal genomesCRISPR–Cas systemsAntimicrobial resistance genesCRISPR–Cas9 systemantimicrobial peptidespolyethylene terephthalate degradation enzymesin silico bioprospectingmarine bacterial genome sizetrade-offs between CRISPR and antibiotic resistance138 distinct phyla43,191 genomesglobal-scale sequencingmarine microbial diversitybiotechnological applicationsbiomedical applications

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#7 of 8,739

10718m citations

Land conversion to agriculture induces taxonomic homogenization of soil microbial communities globally

Ziheng Peng et al.Nature Communications202410.1038/s41467-024-47348-8

Gehong Wei, Shuo JiaoNorthwest A&F University, China

land conversion to agriculturetaxonomic homogenizationSoil microbial communitycontinental surveyglobal meta-analysissoil bacteriafunctional homogenizationgeographic range expansionChloroflexiGemmatimonadotaPlanctomycetotaMyxcoccotaLatescibacterotanitrogen fixation genesPhosphorus mineralizationphosphorus transportationcropland enrichmentphylotype turnoverbiotic homogenizationLand use change

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#8 of 8,739

10118m citations

Reducing the uncertainty in estimating soil microbial-derived carbon storage

Han Hu, Chao Qian, Ke Xue et al.Proceedings of the National Academy of Sciences202410.1073/pnas.2401916121

Hu Han, Chao Qian, Ke Xue, Chao Liang, Yuting LiangChinese Academy of Sciences, China

Soil organic carbonMicrobial-derived carbonpersistent SOC poolBacterial community compositionmachine learningGlobal-scale datasetsrelative standard error reductionMDC contribution formulasSoil carbon sequestrationland-atmosphere carbon balanceclimate change mitigationterrestrial carbon poolcarbon storage estimationMDC biochemistrysoil productivity

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#9 of 8,739

9518m citations

Environmental stress mediates groundwater microbial community assembly

Daliang Ning et al.Nature Microbiology202410.1038/s41564-023-01573-x

Jizhong ZhouUniversity of Oklahoma, United States

environmental stressgroundwater microbial communityCommunity assemblymicrobial ecologystress-mediated assemblygroundwater ecosystemsMicrobial community compositionenvironmental filteringstochastic processesdeterministic processesmicrobial diversitysubsurface microbiology

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#10 of 8,739

9418m citations

Global analysis of soil bacterial genera and diversity in response to pH

Xuan Zhou et al.Soil Biology and Biochemistry202410.1016/j.soilbio.2024.109552

Xuan ZhouUniversity of Eastern Finland, Finland

soil pHbacterial diversityBacterial community compositionpH optimapH toleranceacidophilic generaalkaliphilic generaneutrophilic generabacterial richnessunimodal relationshipEcosystem comparisonglobal soil surveyniche spaceacidic-tolerant generaalkaline-tolerant generahumid climate microbiomesarid climate microbiomespH-dependent distributionextremophile bacteriagenus-level analysis

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#11 of 8,739

9318m citations

Unexplored microbial diversity from 2,500 food metagenomes and links with the human microbiome

Niccolò Carlino et al.Cell202410.1016/j.cell.2024.07.039

Niccolò CarlinoUniversity of Trento, Italy

food metagenomesmicrobial diversityhuman microbiomeMetagenomicsFood microbiotamicrobial transmissionfermented foodsmicrobiome-food interfacenovel microbial speciesmetagenome-assembled genomesmicrobial ecology

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#12 of 8,739

9218m citations

Microbial trait multifunctionality drives soil organic matter formation potential

Emily D Whalen et al.Nature Communications202410.1038/s41467-024-53947-2

Emily D. WhalenUniversity of New Hampshire, United States

soil organic matter formationmicrobial traitsfungi incubation experimentssoil organic matter functional poolsMicrobial carbon use efficiencygrowth rateturnover ratebiomass protein contentbiomass phenol contentmultifunctional speciessoil organic matter stabilityfunctional complexitytrait synergiesmodel soilsMicrobial necromasstrait-based frameworksphysiological traitsmorphological traitsbiochemical traits

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#13 of 8,739

9218m citations

Water periods impact the structure and metabolic potential of the nitrogen-cycling microbial communities in rivers of arid and semi-arid regions

Qingqing Pang et al.Water Research202410.1016/j.watres.2024.122472

Dan Wang, Longmian Wang, Wenhai ChuNanjing Institute of Environmental Sciences, China

nitrogen-cycling microbial communitieswater periodsArid and semi-arid regionsriver ecosystemsMicrobial community compositionmetabolic potentialnitrificationdenitrificationanammoxnitrogen metabolismSeasonal variationhydrological regimefunctional gene abundancemicrobial diversitynutrient cycling

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#14 of 8,739

8418m citations

Microbially mediated mechanisms underlie soil carbon accrual by conservation agriculture under decade-long warming

Jing Tian, Jennifer A J Dungait, Ruixing Hou, Ye Deng et al.Nature Communications202410.1038/s41467-023-44647-4

Jing Tian, Fusuo Zhang, M. Francesca Cotrufo, Jizhong ZhouChina Agricultural University, China

Soil organic carbonconservation agricultureno tillagecrop residue managementWarming effectswheat-maize cropping systemMicrobial carbon use efficiencyfungal community temporal turnoverfungal necromassmicrobial decompositioncarbon inputs from cropsstructural equation modelsSOC persistencemicrobial growthfungal community compositionmanagement-climate interactionsSoil organic carbon formationconventional tillageLong-term field experiment

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#15 of 8,739

8318m citations

Biochar and organic fertilizer applications enhance soil functional microbial abundance and agroecosystem multifunctionality

Wang Hu et al.Biochar202410.1007/s42773-023-00296-w

Yuping Zhang, Xuan Zhou, Gongwen LuoHunan Agricultural University, China

biocharOrganic fertilizerEcosystem multifunctionalityfunctional microbiomesbulk soilrhizosphere soilcarbon cycle genesnitrogen cycle genesphosphorus cycle genessulphur cycle genesC degradationnitrificationNitrate reductionPhosphorus mineralizationS cyclingsoil pHnutrient availabilityLong-term field experimentMicrobial functional groupsagroecosystem functions

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#16 of 8,739

8118m citations

Simplified microbial network reduced microbial structure stability and soil functionality in alpine grassland along a natural aridity gradient

Chao Zhang et al.Soil Biology and Biochemistry202410.1016/j.soilbio.2024.109366

Zilin SongChinese Academy of Science, China

Microbial co-occurrence networkmicrobial structure stabilitysoil functionalityalpine grasslandaridity gradientnetwork simplificationSoil microbial communitygrassland ecosystemClimatic gradientmicrobial diversityEcosystem functioningnetwork complexityDrought stresssoil biogeochemical processesCommunity assembly

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#17 of 8,739

8018m citations

Nutrient and moisture limitations reveal keystone metabolites linking rhizosphere metabolomes and microbiomes

Nameer R Baker, Kateryna Zhalnina et al.Proceedings of the National Academy of Sciences202410.1073/pnas.2303439121

Nameer Baker, Kateryna Zhalnina, Mary K. FirestoneUniversity of California, Berkeley, United States

rhizodepositionswitchgrassmarginal soilnitrogen limitationphosphorus limitationmoisture limitation16S rRNA gene sequencingLC-MS/MS metabolomicsnetwork analysisaromatic acidsAcidobacteriaVerrucomicrobiaPlanctomycetotaAlphaproteobacteriaActinobacteriaserotoninectoinechlorogenic acidkeystone metabolitesroot architecture

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#18 of 8,739

8018m citations

Achieving Stable Partial Denitrification by Selective Inhibition of Nitrite Reductase with the Biosafe Aprotic Solvent DMSO

Zhi-Bin Wang et al.Environmental Science & Technology202410.1021/acs.est.4c08731

Shou‐Qing NiShandong University, China

partial denitrificationnitrite reductasenitrate reductaseDimethyl sulfoxideanammox bacterianitrite accumulationEnzyme inhibitionNIR gene expressionNAR enzymeNIR enzymeaffinity constantcatalytic cavitycompetitive inhibitionnitrate reduction to nitriteaprotic solventmolecular docking

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#19 of 8,739

7918m citations

Unlocking bacterial potential to reduce farmland N2O emissions

Elisabeth G Hiis et al.Nature202410.1038/s41586-024-07464-3

Lars R. BakkenNorwegian University of Life Sciences, Norway

Nitrous oxide emissionfarmland soilsNosZ enzymeN2O reduction to N2Cloacibacterium sp. CB-01N2O-respiring bacteriabiogas waste substratesoil microbiota bioengineeringBacterial survival in soilNutrient addition experimentsaerobic bacterial growthbiokinetic parametersemission reduction 50-95%organic waste vectoranthropogenic N2O mitigationEuropean-scale emission reductionmicrobial nitrogen transformations

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#20 of 8,739

7818m citations

Insights into plant interactions and the biogeochemical role of the globally widespread Acidobacteriota phylum

Osiel Silva Gonçalves et al.Soil Biology and Biochemistry202410.1016/j.soilbio.2024.109369

Mateus Ferreira SantanaUniversidade Federal de Viçosa, Brazil

Acidobacteriaplant interactionsBiogeochemical cyclingPlant-microbe interactionssoil bacterianutrient cyclingcarbon metabolismacidobacterial ecologyRoot colonizationMicrobial community composition

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Topic trends

Dominant research themes and year-over-year shifts in Microbial Community Ecology and Physiology

What Topics Define the Class of 2026?

The Class of 2026 is defined by a deep focus on microbial physiology in environmental contexts, with "Microbial carbon use efficiency" emerging as the most prominent informative concept. This highlights a shift from simply describing who is there to understanding how microbes process carbon and energy. Foundational profiling techniques—specifically "16S rRNA gene sequencing" and "Metagenomics"—remain central to the field, providing the necessary resolution to map community structures. Additionally, "Microbial necromass" and "Soil microbiome" feature heavily, indicating strong continued interest in carbon sequestration and soil health dynamics. Together, these themes reflect an ecology field increasingly focused on the mechanistic links between community composition and biogeochemical outcomes.

How Did Topics Shift from the Class of 2025 to the Class of 2026?

The transition to the Class of 2026 reveals a distinct pivot toward stress responses and complex interaction modeling. "Salt stress" and "Microbial network complexity" experienced dramatic surges, rising from negligible frequencies in the previous cohort to become major themes in 2026. This indicates a rapidly growing interest in how microbial networks adapt to environmental extremes. "Microbial carbon use efficiency" also saw a substantial increase, reinforcing its dominance as a core metabolic metric. Conversely, broader community descriptors like "Bacterial community" and "Community assembly" declined, suggesting that researchers are moving beyond general community characterization toward targeted investigations of specific stressors and intricate network dynamics.

Methodology

PRI identifies high-impact research using a transparent, topic-agnostic framework applied consistently across scientific domains. Bibliographic records are drawn from OpenAlex, including publication dates, citation relationships, and document types.

This ranking covers the Class of 2026 cohort: journal articles published in 2024. Reviews and other non-article document types are excluded to ensure comparability.

Research impact is quantified with an 18-month post-publication citation window—the number of citing works published within 18 months of each paper's publication date. This metric captures early impact while controlling for publication age.

An LLM-based relevance classifier then reviews each candidate's title and abstract to confirm substantive alignment with the target domain. Only papers classified as relevant appear in the final ranking.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459

Full methodology GitHub bioRxiv preprint

Cite this ranking

Pepkio Research Index (PRI). Topics and Trends in Most Cited Microbial Community Ecology and Physiology Papers, Class of 2026. https://pri.pepkio.com/top-papers/microbial-community-ecology-and-physiology/2026. Accessed 2026-07-19.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459