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Frontiers in Microbiology Impact Factor 4.5: Publishing Guide

Microorganisms advancing health, industry, and environmental science

4.5

Impact Factor (2024)

~40-50%

Acceptance Rate

~90-120 days median

Time to First Decision

What Front. Microbiol. Publishes

Frontiers in Microbiology published by Frontiers is an open-access journal covering all aspects of microbiology. With JIF 4.5 and broad Q2 coverage, FiM emphasizes microbial diversity, function, and applications. The journal publishes research on bacteria, archaea, viruses, fungi, and parasites with relevance to health, industry, or environment. Critically: FiM values research with clear biological or applied relevance. Pure microbial characterization without functional insight is less competitive. The journal seeks papers showing how microorganisms affect health or enable applications.

  • Bacterial physiology and genetics: growth, metabolism, gene expression
  • Microbial pathogenesis: virulence, host-pathogen interaction, infection
  • Antibiotic resistance: mechanisms, epidemiology, solutions
  • Environmental microbiology: biogeochemical cycling, ecosystem function
  • Industrial microbiology: fermentation, biomanufacturing, biotechnology
  • Probiotics and microbiota: gut health, microbiota composition and function
  • Virology: viral structure, replication, immune evasion, vaccination
  • Fungal biology: pathogenesis, antifungal resistance, biotechnology

Editor Insight

Frontiers in Microbiology publishes microbiology advancing health and applications. We seek novel microorganisms or mechanisms with clear biological significance. The best papers combine molecular characterization with functional validation and practical relevance.

What Front. Microbiol. Editors Look For

Novel microorganism or mechanism with clear biological or applied significance

Present microorganism or finding advancing understanding. New pathogen mechanism? Novel probiotic with health benefit? Antibiotic resistance solution? Show clear relevance to health or applications.

Complete microorganism characterization combining molecular and functional methods

Integrate genomic/genetic analysis with phenotypic characterization and functional validation. Molecular data plus functional experiments more impactful than either alone.

Mechanistic understanding of microorganism-host or microorganism-environment interaction

Explain how microorganism affects host or environment. What mechanisms drive pathogenesis, probiotic benefit, or environmental function? Mechanism stronger than observation alone.

In vivo or environmental validation, not just in vitro culture

Test microorganisms in relevant contexts: animal models for pathogens/probiotics, environmental samples for ecosystem microbes. Real context proves practical significance.

Application potential or translational pathway clearly articulated

Connect microbiology findings to practical applications: new antibiotics, probiotic therapies, environmental remediation, industrial production. Application focus increases impact.

Why Papers Get Rejected

These patterns appear repeatedly in manuscripts that don't make it past Front. Microbiol.'s editorial review:

Microorganism characterization without functional significance or application

Characterizing microorganism genetics or metabolism alone insufficient. FiM expects biological or applied relevance. How does microorganism matter for health, environment, or industry?

In vitro culture experiments without in vivo or environmental validation

Lab culture results often don't translate to real contexts. In vivo or environmental validation proves practical relevance. Real-world testing essential.

Genome sequencing without functional analysis or phenotypic characterization

Genomic data requires functional interpretation. Show how genes affect phenotype and function. Genomics plus phenotypics more valuable than either alone.

Pathogenesis or probiotic claims without rigorous mechanistic evidence

Mechanistic claims require experimental support. Show molecular mechanisms with genetic or biochemical evidence. Proposed mechanisms must be tested.

Antibiotic resistance documentation without understanding mechanisms or solutions

Resistance discovery is common. Mechanistic understanding or novel therapeutic approach required for competitive papers. Pure documentation has limited impact.

Does your manuscript avoid these patterns?

The quick diagnostic reads your full manuscript against Front. Microbiol.'s criteria and flags the specific issues most likely to cause rejection.

Run Free Readiness Scan →

Insider Tips from Front. Microbiol. Authors

Antibiotic resistance and novel antimicrobial strategies highly competitive

Research on resistance mechanisms, resistance solutions, or novel antimicrobial approaches addresses urgent clinical need.

Gut microbiota and health increasingly prominent

Research on microbiota composition/function affecting health (obesity, metabolism, immunity, mental health) increasingly competitive.

Quorum sensing and bacterial communication valued

Understanding bacterial communication and biofilm formation mechanisms has applications for both infection and biotechnology.

CRISPR and genetic engineering in microorganisms trending

Papers using CRISPR or other genetic tools for functional studies or strain improvement increasingly competitive.

Environmental and climate-related microbiology gaining attention

Microbial roles in nutrient cycling, carbon cycling, or environmental remediation increasingly valued.

The Front. Microbiol. Submission Process

1

Manuscript preparation

Prep

5,000-8,000 words with 5-7 figures. Include microorganism source/isolation, characterization (genetic, phenotypic, functional), mechanism studies, in vivo/environmental validation, and application discussion. Supporting: additional characterization data, methods detail, supplementary analysis.

2

Submission via Frontiers system

Day 0

Submit at https://www.frontiersin.org/journals/microbiology/. Required: manuscript emphasizing microorganism novelty and significance, figures showing characterization and mechanism, cover letter highlighting biological/applied impact.

3

Editorial assessment

1-2 weeks

Editor assesses microorganism novelty and biological significance. Papers lacking clear significance or functional validation face lower priority. Moderate desk rejection ~20-30%.

4

Peer review

90-120 days

2-3 microbiology experts assess novelty, characterization rigor, mechanistic plausibility, and significance. First decision 90-120 days.

5

Revision and publication

Revision: 4-8 weeks

Revisions often request additional functional or mechanistic data. Publication 2-4 weeks after acceptance.

Front. Microbiol. by the Numbers

2024 Impact Factor4.0
5-Year Impact Factor4.2
Acceptance rate~40-50%
Desk rejection rate~20-30%
Median first decision~105 days
Open access APC~$1,500-2,000
PublisherFrontiers
Founded2010

Before you submit

Front. Microbiol. accepts a small fraction of submissions. Make your attempt count.

The pre-submission diagnostic runs a live literature search, scores your manuscript section by section, and gives you a prioritized fix list calibrated to Front. Microbiol.. ~30 minutes.

Article Types

Research Article

5,000-8,000 words

Microbiology research with characterization and mechanism

Review

7,000-12,000 words

Microbiology topic review

Mini Review

3,000-4,000 words

Focused microbiology topic review

Landmark Front. Microbiol. Papers

Papers that defined fields and changed science:

  • Antibiotic resistance mechanisms (various) - clinical relevance
  • Gut microbiota composition studies (2000s+) - health implications
  • CRISPR applications in bacteria (2010s+) - genetic engineering
  • Quorum sensing discovery (1980s+) - bacterial communication
  • Probiotic mechanisms (1990s+) - health benefits of specific strains

Preparing a Front. Microbiol. Submission?

Get pre-submission feedback from reviewers who've published in Front. Microbiol. and know exactly what editors look for.

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Need expert depth? Human review from $1,000

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Primary Fields

Bacterial PathogenesisAntibiotic ResistanceGut MicrobiotaEnvironmental MicrobiologyViral BiologyProbiotics