2026 Alexander Loy: Biology and Biochemistry Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Biology and Biochemistry	72	6200	5718	50	48	176	22099

Overview

Alexander Loy is affiliated with the University of Vienna in Austria and works primarily in the fields of Biochemistry, Genetics and Molecular Biology, and Environmental Science. Their research spans molecular biology and ecology, with additional focus on environmental chemistry, food science, and pharmacology as related subfields.

The research topics covered by Alexander Loy include:

Microbial Community Ecology and Physiology
Genomics and Phylogenetic Studies
Gut microbiota and health
Methane Hydrates and Related Phenomena
Probiotics and Fermented Foods
Microbial Natural Products and Biosynthesis
Metabolomics and Mass Spectrometry Studies

Alexander Loy has contributed to multiple scholarly publications, with frequent appearances in these venues:

bioRxiv (Cold Spring Harbor Laboratory)
Microbiome
The ISME Journal
Nature Microbiology
Microbiology Spectrum

Notable recent papers authored or co-authored by Alexander Loy include:

Microbiome definition re-visited: old concepts and new challenges (2020, Microbiome)
Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities (2020, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY)
An Economical and Flexible Dual Barcoding, Two-Step PCR Approach for Highly Multiplexed Amplicon Sequencing (2021, Frontiers in Microbiology)
Novel taxa of Acidobacteriota implicated in seafloor sulfur cycling (2021, The ISME Journal)
Anaerobic bacterial degradation of protein and lipid macromolecules in subarctic marine sediment (2020, The ISME Journal)

Frequent co-authors collaborating with Alexander Loy include:

Bela Hausmann
Craig W. Herbold
Petra Pjevac
Thomas Rattei
Buck Hanson

Best Publications

Microbiome definition re-visited: old concepts and new challenges

Gabriele Berg;Daria Rybakova;Doreen Fischer;Tomislav Cernava

2027
Citations
A genomic catalog of Earth’s microbiomes

Stephen Nayfach;Simon Roux;Rekha Seshadri;Daniel Udwary

928
Citations
Oligonucleotide microarray for 16S rRNA gene-based detection of all recognized lineages of sulfate-reducing prokaryotes in the environment.

Alexander Loy;Angelika Lehner;Natuschka Lee;Justyna Adamczyk

859
Citations
Bacterial community composition and function in sewage treatment systems

Michael Wagner;Alexander Loy

735
Citations
amoA-based consensus phylogeny of ammonia-oxidizing archaea and deep sequencing of amoA genes from soils of four different geographic regions.

Michael Pester;Thomas Rattei;Stefan Flechl;Alexander Gröngröft

589
Citations
probeBase—an online resource for rRNA-targeted oligonucleotide probes: new features 2007

Alexander Loy;Frank Maixner;Michael Wagner;Matthias Horn

583
Citations
Microbial community composition and function in wastewater treatment plants

Michael Wagner;Alexander Loy;Regina Nogueira;Ulrike Purkhold

551
Citations
Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities

David W Waite;David W Waite;Maria Chuvochina;Claus Pelikan;Donovan H Parks

543
Citations
Barcoded Primers Used in Multiplex Amplicon Pyrosequencing Bias Amplification

David Berry;Karim Ben Mahfoudh;Michael Wagner;Alexander Loy

530
Citations
probeBase: an online resource for rRNA-targeted oligonucleotide probes

Alexander Loy;Matthias Horn;Michael Wagner

507
Citations
The microbial community composition of a nitrifying-denitrifying activated sludge from an industrial sewage treatment plant analyzed by the full-cycle rRNA approach.

Stefan Juretschko;Alexander Loy;Angelika Lehner;Michael Wagner

490
Citations
Genome-guided design of a defined mouse microbiota that confers colonization resistance against Salmonella enterica serovar Typhimurium

Sandrine Brugiroux;Markus Beutler;Carina Pfann;Debora Garzetti

484
Citations
Sulfate-reducing microorganisms in wetlands - fameless actors in carbon cycling and climate change.

Michael Pester;Klaus-Holger Knorr;Michael W. Friedrich;Michael Wagner

431
Citations
Temporal Bacterial Community Dynamics Vary Among Ulcerative Colitis Patients After Fecal Microbiota Transplantation

Sieglinde Angelberger;Walter Reinisch;Athanasios Makristathis;Cornelia Lichtenberger

418
Citations
Expanded diversity of microbial groups that shape the dissimilatory sulfur cycle.

Karthik Anantharaman;Karthik Anantharaman;Bela Hausmann;Sean P. Jungbluth;Sean P. Jungbluth;Rose S. Kantor

397
Citations
A ‘rare biosphere’ microorganism contributes to sulfate reduction in a peatland

Michael Pester;Norbert Bittner;Pinsurang Deevong;Pinsurang Deevong;Michael Wagner

372
Citations
Phylogenetic and environmental diversity of DsrAB-type dissimilatory (bi)sulfite reductases

Albert Leopold Müller;Kasper Urup Kjeldsen;Thomas Rattei;Michael Pester

362
Citations
NxrB encoding the beta subunit of nitrite oxidoreductase as functional and phylogenetic marker for nitrite-oxidizing Nitrospira.

Michael Pester;Frank Maixner;David Berry;Thomas Rattei

341
Citations
Phylotype-level 16S rRNA analysis reveals new bacterial indicators of health state in acute murine colitis

David Berry;Clarissa Schwab;Gabriel Milinovich;Jochen Reichert

334
Citations
The life sulfuric: microbial ecology of sulfur cycling in marine sediments.

Kenneth Wasmund;Marc Mußmann;Alexander Loy

334
Citations