Author

U. Z. Ijaz

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

Click to filter author papers

Microbiology· 19 Bioengineering· 1 Ecology· 1 Plant Biology· 1

Signature Assays, Organisms & Methods

Click to filter · or open tag

Assay:metagenomics· 20 Approach:experimental assay· 13 Research Focus:cell type annotation· 10 Research Focus:host-pathogen & immune response· 8 Approach:statistical model· 8 Research Focus:ecology & biodiversity· 4 Organism:non-human primate· 4 Organism:chicken / avian· 3

Frequent Co-Authors

S. Connelly· 5 shared A. Kitts· 3 shared B. Cheaib· 3 shared C. Heys· 3 shared C. J. Smith· 3 shared C. Keating· 3 shared G. Collins· 3 shared J. Russell· 3 shared

Activity by Year

2017-2023 · peak 5/yr

Co-Author Collaboration Network

10 top collaborators · 23 mutual co-author links

Click any collaborator node to inspect or filter shared papers

Focal author (center)Selected co-authorORCID co-authorUnlinked name

Curved chords = mutual co-authorship

5 shared papersMicrobiology

S. Connelly

Mutual co-authors in cluster

Author profile →

22 papers

Recent·Most cited

Disease Resistance correlates with Core Microbiome Diversity in Cotton

R. Aqueel, A. Badar, N. Roy, U. Z. Ijaz, K. A. Malik

The paper investigates the relationship between core microbiome diversity and disease resistance in cotton, finding an inverse correlation with disease susceptibility.

bioRxiv · Aug 25, 2023 · PreprintMicrobiology

Balancing the scales: Impact of irrigation and pathogen burden on potato blackleg disease and soil microbial communities

C. Keating, E. Kilbride, M. Stalham, C. Nellist, J. Milner, S. Humphris, I. Toth, B. K. Mable, U. Z. Ijaz

This study examines how irrigation and Pectobacterium pathogen load in seed potatoes affect blackleg disease and soil microbial communities.

bioRxiv · Jul 13, 2023Microbiology

Cotton Microbiome Profiling and Cotton Leaf Curl Disease (CLCuD) Suppression through Microbial Consortia associated with Gossypium arboreum

R. Aqueel, A. Badar, N. Roy, Q. Mushtaq, A. F. Ali, A. Bashir, U. Z. Ijaz, K. A. Malik

The paper investigates the microbiome of CLCuD-resistant and susceptible cotton species to identify microbial consortia that suppress the disease and induce resistance.

bioRxiv · Jul 12, 2023 · PreprintPlant Biology

Cross-sectional study of antimicrobial resistance and ecology in gastrointestinal and oral microbial communities of urban Pakistani adults

M. Batool, C. Keating, S. Javed, A. Nasir, M. Muddassar, U. Z. Ijaz

This study links microbial assembly and covariates to gut microbiome structure in urban Pakistani adults, finding tap water as a major contributor to antimicrobial resistance.

bioRxiv · Nov 5, 2022 · PreprintMicrobiology

Microbiomes in drinking water treatment and distribution: a critical review and meta-analysis from source to tap

C. Thom, C. J. Smith, G. Moore, P. Weir, U. Z. Ijaz

This study meta-analyzes 16S rRNA datasets to examine microbial community changes in drinking water systems, finding that treatment reduces diversity and chlorination impacts taxa relationships, with stochastic processes dominating biofilm assembly.

bioRxiv · Aug 30, 2021Microbiology

Deploying an in vitro gut model to assay the impact of a mannan-oligosaccharide prebiotic, Bio-Mos(R) on the Atlantic salmon (Salmo salar) gut microbiome.

R. Kazlauskaite, B. Cheaib, J. L. Humble, C. Heys, U. Z. Ijaz, S. Connelly, W. Sloan, P. McGinnity, M. llewellyn, J. Russell, L. M. Rubio, J. Sweetman, P. Lyons, A. Kitts

The paper evaluates the impact of Bio-Mos prebiotic on Atlantic salmon gut microbiome using an in vitro model, showing increased volatile fatty acids and microbial shifts.

bioRxiv · Aug 18, 2021Bioengineering

ASSEMBLY AND DYNAMICS OF MICROBIAL COMMUNITIES IN GRANULAR, FIXED-BIOFILM AND PLANKTONIC METHANOGENIC MICROBIOMES VALORIZING LONG CHAIN FATTY ACID (LCFA)-RICH WASTEWATER

S. Singh, J. M. Rinta-Kanto, P. N. L. Lens, M. Kokkoa, J. Rintala, V. O'Flaherty, U. Z. Ijaz, G. Collins

The paper studies microbial community dynamics in granular, biofilm, and planktonic methanogenic microbiomes treating LCFA-rich wastewater, finding spatial compartmentalization and environmental drivers shaping community assembly.

bioRxiv · Jul 29, 2021Microbiology

Use of null models to compare the assembly of northeast Atlantic bacterial community in the presence of crude oil with either chemical dispersant or biosurfactant

C. Nikolova, U. Z. Ijaz, T. Gutierrez

This study uses null models to compare bacterial community assembly in oil-polluted marine microcosms with different dispersant treatments, finding that chemical dispersants alter assembly dynamics compared to oil-only or biosurfactant treatments.

bioRxiv · Dec 23, 2020 · PreprintEcology

Deploying and in vitro gut model to assay the impact of a mannan-oligosaccharide prebiotic, Bio-MOS(R) on the Atlantic salmon (Salmo salar) gut microbiome.

R. Kazlauskaite, B. Cheaib, J. Humble, C. Heys, U. Z. Ijaz, S. Connelly, W. T. Sloan, J. Russell, L. Martinez-Rubio, J. Sweetman, A. Kitts, P. McGinnity, P. Lyons, M. Llewellyn

The paper evaluates the impact of Bio-MOS on the Atlantic salmon gut microbiome using an in vitro model, showing increased short-chain fatty acids and microbial shifts.

bioRxiv · Oct 7, 2020 · PreprintMicrobiology

Development of a three-compartment in vitro simulator of the Atlantic Salmon GI tract and associated microbial communities: SalmoSim

R. Kazlauskaite, B. Cheaib, C. Heys, U. Z. Ijaz, S. Connelly, W. T. Sloan, J. Russell, L. Martinez-Rubio, J. Sweetman, A. Kitts, P. McGinnity, P. Lyons, M. Llewellyn

This study develops an in vitro gut model, SalmoSim, for Atlantic salmon to simulate microbial communities and test dietary impacts, finding similar microbial responses to a novel feed in vivo and in vitro.

bioRxiv · Oct 6, 2020Microbiology

Temporal changes in the gut microbiota in farmed Atlantic cod (Gadus morhua) outweigh the response to diet supplementation with macroalgae.

C. Keating, M. Bolton-Warberg, J. Hinchcliffe, R. Davies, S. Whelan, A. H. Wan, R. Fitzgerald, S. J. Davies, U. Z. Ijaz, C. J. Smith

This study supplements Atlantic cod diets with macroalgae and finds no significant impact on gut microbiota from sea lettuce, but notable effects from egg wrack, with temporal changes outweighing dietary effects.

bioRxiv · Aug 10, 2020Microbiology

Impact of industrial production system parameters on chicken microbiomes: mechanisms to improve performance and reduce Campylobacter

A. McKenna, U. Z. Ijaz, C. Kelly, M. Linton, W. T. Sloan, B. D. Green, U. Lavery, N. Dorrell, B. W. Wren, A. Richmond, N. Corcionivoschi, O. Gundogdu

This study examines how industrial chicken production system parameters affect gut microbiome composition and Campylobacter presence, identifying links between environmental factors, microbial dynamics, and performance metrics.

bioRxiv · May 10, 2020Microbiology

Disinfection exhibits systematic impacts on the drinking water microbiome.

Z. Dai, M. C. Sevillano, S. T. Calus, Q. M. Bautista-de los Santos, A. M. Eren, P. W. J. J. van der Wielen, U. Z. Ijaz, A. J. Pinto

This study compares the impact of disinfection and nutrient limitation on drinking water microbiomes, finding that disinfection reduces diversity and selects for microorganisms using decay products.

bioRxiv · Nov 2, 2019Microbiology

Long solids retention times and attached growth phase favor prevalence of comammox bacteria in nitrogen removal systems.

I. Cotto, Z. Dai, L. Huo, C. L. Anderson, K. J. Vilardi, U. Z. Ijaz, W. Khunjar, C. Wilson, H. De Clippeleir, K. Gilmore, E. Bailey, A. Pinto

This study identifies conditions favoring comammox bacteria in wastewater treatment systems and develops a qPCR assay to quantify them.

bioRxiv · Jul 29, 2019Microbiology

Disinfectant residuals in drinking water systems select for mycobacterial populations with intrinsic antimicrobial resistance.

M. C. Sevillano, Z. Dai, S. T. Calus, Q. M. Bautista de los Santos, A. M. Eren, U. Z. Ijaz, P. W. J. J. van der Wielen, A. Pinto

This study shows that disinfectant residuals in drinking water systems are linked to higher prevalence of antimicrobial resistance genes in nontuberculous mycobacteria.

bioRxiv · Jun 20, 2019 · PreprintMicrobiology

De Novo Growth Of Methanogenic Granules Indicates A Biofilm Life-Cycle With Complex Ecology

A. Trego, E. Galvin, C. Sweeney, S. Dunning, C. Murphy, S. Mills, C. Nzeteu, C. Quince, S. Connelly, U. Z. Ijaz, G. Collins

The paper investigates the life cycle of methanogenic granules by starting bioreactors with size-separated granules, showing new granule growth and identifying key microbial taxa shaping community structure.

bioRxiv · Jun 11, 2019 · PreprintMicrobiology

Diversity Converges During Community Assembly In Methanogenic Granules, Suggesting A Biofilm Life-Cycle

A. C. Trego, C. Morabito, I. Bourven, G. Guibaud, S. Mills, S. Connelly, C. Quince, U. Z. Ijaz, G. Collins

The paper investigates how microbial diversity converges during the growth of methanogenic granules, suggesting a biofilm life-cycle with distinct size-related stages.

bioRxiv · Dec 4, 2018 · PreprintMicrobiology

NanoAmpli-Seq: A workflow for amplicon sequencing for mixed microbial communities on the nanopore sequencing platform

S. T. Calus, U. Z. Ijaz, A. J. Pinto

NanoAmpli-Seq improves amplicon sequencing accuracy and efficiency for nanopore platforms, achieving 99.5% sequence accuracy for 16S rRNA gene sequencing.

GigaScience · Nov 23, 2018Peer-reviewedMicrobiology

Differential amplicons for the evaluation of RNA integrity extracted from complex environmental samples

F. Cholet, U. Z. Ijaz, C. J. Smith

The paper introduces a new RNA integrity index, Ramp, to assess mRNA integrity using differential amplification of RT-Q-PCR amplicons, showing it outperforms RIN in degraded samples.

bioRxiv · Aug 27, 2018Microbiology

Comprehensive longitudinal microbiome analysis of the chicken cecum reveals a shift from competitive to environmental drivers and a window of opportunity for Campylobacter

U. Z. Ijaz, L. Sivaloganathan, A. Mckenna, A. Richmond, C. Kelly, M. Linton, A. Stratakos, U. Lavery, A. Elmi, B. W. Wren, N. Dorrell, N. Corcionivoschi, O. Gundogdu

This study tracks the chicken cecum microbiome from day 3 to 35, identifying a shift in microbial drivers and a window for Campylobacter appearance.

bioRxiv · Jun 11, 2018Microbiology

A role for tetracycline selection in the evolution of Clostridium difficile PCR-ribotype 078

K. E. Dingle, X. Didelot, T. P. Quan, D. W. Eyre, N. Stoesser, C. A. Marwick, J. Coia, D. Brown, S. Buchanan, U. Z. Ijaz, C. Goswami, G. Douce, W. N. Fawley, M. H. Wilcox, T. E. Peto, , D. W. Crook

The paper investigates the evolutionary history of Clostridium difficile RT078, finding that tetracycline resistance genes, particularly tetM, were acquired independently in multiple clonal expansions, contributing to its increased prevalence.

bioRxiv · Feb 8, 2018Microbiology

Comparison Of The Human Gastric Microbiota In Hypochlorhydric States Arising As A Result Of Helicobacter pylori-Induced Atrophic Gastritis, Autoimmune Atrophic Gastritis And Proton Pump Inhibitor Use

B. N. Parsons, U. Z. Ijaz, R. D'Amore, M. Burkitt, R. Eccles, L. Lenzi, C. A. Duckworth, A. R. Moore, L. Tiszlavicz, A. Varro, N. Hall, D. M. Pritchard

This study compares the gastric microbiota in hypochlorhydric states caused by H. pylori-induced atrophic gastritis, autoimmune atrophic gastritis, and PPI use, finding distinct microbial profiles associated with these conditions.

bioRxiv · Jun 1, 2017Microbiology