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Admission prognostic nutritional index improves risk stratification for the carbapenem-resistant phenotype in culture-positive Klebsiella pneumoniae: a retrospective cohort study

Kaixuan Zhang, Huihui Li, Yuanyuan Xu, Sudi Zhu et al. • Frontiers in Cellular and Infection Microbiology (2026)

BackgroundCarbapenem-resistant Klebsiella pneumoniae (CRKP) remains an infection-control challenge. We assessed whether admission immuno-nutritional status, measured by the Prognostic Nutritional Index (PNI), is associated with the CRKP phe...

DOAJ Open Access (DOAJ) DOI: 10.3389/fcimb.2026.1828441

Multi-omics analysis delineates the distinct functions of sub-cellular acetyl-CoA pools in Toxoplasma gondii

Joachim Kloehn, Rebecca D. Oppenheim, Ghizal Siddiqui, Pieter-Jan De Bock et al. • BMC Biology (2020)

Abstract Background Acetyl-CoA is a key molecule in all organisms, implicated in several metabolic pathways as well as in transcriptional regulation and post-translational modification. The human pathogen Toxoplasma gondii possesses at leas...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12915-020-00791-7

Tissue Biopsy in Infected Foot and Ankle Surgery

Samir Abdalla, Daoud Makki MD, FRCS(Tr&Orth), tarel Elgamal, David Harvey MB ChB et al. • Foot & Ankle Orthopaedics (2016)

Category: Basic Sciences/Biologics Introduction/Purpose: When performing surgical debridement to treat chronically infected orthopaedic cases our unit routinely samples 5 intraoperative specimens for microbiology. Best practice and achievin...

DOAJ Open Access (DOAJ) DOI: 10.1177/2473011416S00076

Microbial and biogeochemical responses to projected future nitrate enrichment in the California upwelling system

Katherine Rose Marie Mackey, Chia-Te eChien, Adina ePaytan • Frontiers in Microbiology (2014)

Coastal California is a dynamic upwelling region where nitrogen (N) and iron (Fe) can both limit productivity and influence biogeochemistry over different spatial and temporal scales. With global change, the flux of nitrate from upwelling i...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2014.00632

Evolution of the tripartite symbiosis between earthworms, Verminephrobacter and Flexibacter-like bacteria

Peter eMøller, Marie Braad Lund, Andreas eSchramm • Frontiers in Microbiology (2015)

Nephridial (excretory organ) symbionts are widespread in lumbricid earthworms and the complexity of the nephridial symbiont communities varies greatly between earthworm species. The two most common symbionts are the well-described Vermineph...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2015.00529

Bacteriophage: A Useful Tool for Studying Gut Bacteria Function of Housefly Larvae, Musca domestica

Xinyu Zhang, Shumin Wang, Ting Li, Qian Zhang et al. • Microbiology Spectrum (2021)

ABSTRACT Beneficial symbiotic bacteria have positive effects on some insects’ (such as mosquitoes, cockroaches, and flies) biological activities. However, the effects of a lack of one specific symbiotic bacterium on the life activities of s...

DOAJ Open Access (DOAJ) DOI: 10.1128/Spectrum.00599-21

Prostatic massage method versus first -void Urine samples to isolate Mycoplasma hominis and Ureaplasma urealyticum from urinary tract infection

K Ghazisaidi, F Fateminasab, SH Vatani, Y Azimi et al. • Medical Laboratory Journal (2008)

Abstract Background and objectives: Ureaplasma urealyticum is one of the most important causes of Nongonococcal urethritis (NGU) and non-specific urethritis (NSU) in men. Also Mycoplasma hominis has a role in causing NGU and NSU. The aim of...

DOAJ Open Access (DOAJ)

Potassium mobilization and plant growth promotion by soil bacteria isolated from different agroclimatic zones of Odisha, India

Aiswarya PANDA, Ankita DASH, Bibhuti Bhusan MISHRA • Acta Agriculturae Slovenica (2021)

Potassium is essential for plant metabolism; improves immunity to stress and increase crop productivity. Soil contains insoluble form of potassium, which is unavailable for plant absorption. Potash mobilizing bacteria (KMB) solubilise compl...

DOAJ Open Access (DOAJ) DOI: 10.14720/aas.2021.117.3.1794

Purification of Murine Gammaherpesvirus 68 With Use of Differential Centrifugation

Hodoši R., Nováková E., Šupolíková M. • European Pharmaceutical Journal (2021)

The method for separation of viral particles in a concentrated form from the environment is called virus purification. Viruses are required to be purified for a range of studies in which it is necessary to distinguish the properties or stru...

DOAJ Open Access (DOAJ) DOI: 10.2478/afpuc-2021-0009

SARS-CoV-2 Omicron BA.2.75 Variant May Be Much More Infective than Preexisting Variants Based on In Silico Model

Aki Sugano, Yutaka Takaoka, Haruyuki Kataguchi, Mika Ohta et al. • Microorganisms (2022)

Previously, we developed a mathematical model via molecular simulation analysis to predict the infectivity of six SARS-CoV-2 variants. In this report, we aimed to predict the relative risk of the recent new variants of SARS-CoV-2 based on o...

DOAJ Open Access (DOAJ) DOI: 10.3390/microorganisms10102090

Optimized two-stage process of Haematococcus sp. for enhanced astaxanthin and essential fatty acids accumulation

Pablo N. Refolio-Samperi, Elena Adaschewski, Dieter Hanelt, Abdelfatah Abomohra • Applied Food Research (2025)

The present study evaluated a two-stage process of Haematococcus sp. to enhance the nutritional value by astaxanthin and fatty acid accumulation. Initial screening of different growth media during the green stage, focusing on enhanced bioma...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.afres.2025.101144

Seaweed-Derived Sulfated Polysaccharides as Potential Agents for Prevention and Treatment of Influenza and COVID-19

N. N. Besednova, T. N. Zvyagintseva, B. G. Andriukov, T. S. Zaporozhets et al. • Антибиотики и Химиотерапия (2021)

The review presents materials describing the seaweed-derived sulfated polysaccharides (SPS) as potential means for prevention and treatment of viral diseases of the respiratory tract, mainly influenza and COVID-19. The literature materials o...

DOAJ Open Access (DOAJ) DOI: 10.37489/0235-2990-2021-66-7-8-50-66

Unveiling Insights into the Whole Genome Sequencing of <i>Mycobacterium</i> spp. Isolated from Siamese Fighting Fish (<i>Betta splendens</i>)

Nguyen Dinh-Hung, Samuel Mwakisha Mwamburi, Ha Thanh Dong, Channarong Rodkhum et al. • Animals (2024)

This study aims to genomically elucidate six isolates of rapidly growing non-tuberculous mycobacteria (RGM) derived from Siamese fighting fish (Betta splendens). These isolates had previously undergone phenotypic and biochemical characteriz...

DOAJ Open Access (DOAJ) DOI: 10.3390/ani14192833

Role of hypothetical protein PA1-LRP in antibacterial activity of endolysin from a new Pantoea phage PA1

Ye Tian, Xinyan Xu, Munazza Ijaz, Ying Shen et al. • Frontiers in Microbiology (2024)

IntroductionPantoea ananatis has emerged as a significant plant pathogen affecting various crops worldwide, causing substantial economic losses. Bacteriophages and their endolysins offer promising alternatives for controlling bacterial infe...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2024.1463192

Effects of sponge‐to‐sponge contact on the microbiomes of three spatially competing Caribbean coral reef species

Shelby E. Gantt, Patrick M. Erwin • MicrobiologyOpen (2023)

Abstract Sponges perform important ecosystem functions, host diverse microbial symbiont communities (microbiomes), and have been increasing in density on Caribbean coral reefs over the last decade. Sponges compete for space in coral reef co...

DOAJ Open Access (DOAJ) DOI: 10.1002/mbo3.1354

Multi-omics for studying and understanding polar life

M. S. Clark, J. I. Hoffman, L. S. Peck, L. Bargelloni et al. • Nature Communications (2023)

Abstract Polar ecosystems are experiencing amongst the most rapid rates of regional warming on Earth. Here, we discuss ‘omics’ approaches to investigate polar biodiversity, including the current state of the art, future perspectives and rec...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-023-43209-y

Varieties of Mushrooms and their Nutraceutical Importance: A Systematic Review

Debasmita Chatterje, Dipankar Halder, Satadal Das • Journal of Clinical and Diagnostic Research (2021)

Introduction: Around 2000 species of mushrooms exist in nature, of which hardly 25 varieties are accepted as edible in nature. “Nutraceuticals” are food substances that are associated with immense health benefits and also hinder the deve...

DOAJ Open Access (DOAJ) DOI: 10.7860/JCDR/2021/47240.14660

Procalcitonin-guided antibiotic therapy for pediatrics with infective disease: A updated meta-analyses and trial sequential analysis

Peng Li, JiaLe Liu, Junjun Liu • Frontiers in Cellular and Infection Microbiology (2022)

ObjectiveWe aimed to evaluate the effect of procalcitonin (PCT) guided therapy on antibiotic exposure in pediatric patients with infectious disease.MethodsWe performed an updated systematic review and meta-analysis of randomized controlled ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fcimb.2022.915463

Impacts of land use and cover changes on ecosystem service values from 1992 to 2052 in Gena District, Southwest Ethiopia

Tesfaye Tadesse, Yericho Berhanu, Ginjo Gitima, Meseret Kassie et al. • Scientific African (2024)

Land use and cover changes alter the functions and structures of ecosystem, resulting in variations in Ecosystem Service Values (ESVs). Thus, we examined the impacts of land use/land cover (LULC) changes on ESVs from 1992 to 2052 using geos...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.sciaf.2024.e02244

Inhibition of Citrus Huanglongbing Disease by <i>Paenibacillus polymyx</i> KN-03 and Analysis with Transcriptome and Microflora

Yuehua Yang, Fangkui Wang, Jialin Jiang, Ling Jiang • Agronomy (2023)

Soil drench treatment using Paenibacillus polymyxa strain KN-03 was applied to citrus plants infected with Candidatus Liberibacter asiaticus (CLas). The infection status was assessed using PCR and a real-time quantitative PCR detection syst...

DOAJ Open Access (DOAJ) DOI: 10.3390/agronomy13122958