Results 151 to 160 of about 720,693 (225)

Crawling under the radar: Two novel Paulinella species expand knowledge about the ecology and evolution of a primary plastid‐containing amoeba lineage

open access: yesJournal of Phycology, EarlyView.
Abstract The genus Paulinella represents a rare, independent case of primary endosymbiosis, providing a unique system to study the early stages of organelle evolution. Here, we expand current understanding of primary plastid endosymbiosis through the discovery and characterization of two novel photosynthetic amoebae, Paulinella marae sp. nov.
Julia Van Etten   +9 more
wiley   +1 more source

Circumscription of three new taxa of Merismopedia‐like Cyanobacteria shows how far convergent evolution can go

open access: yesJournal of Phycology, EarlyView.
Abstract The genus Merismopedia (Merismopediaceae, Chroococcales), characterized by rectangular colonies with cells arranged in regular perpendicular rows and columns, represents a challenging study system due to its limited cultivability. The genus recently underwent taxonomic revision using cultivation‐independent techniques and a polyphasic approach.
Jan Pokorný   +2 more
wiley   +1 more source

The Role of Oxidative Stress in Periodontitis

open access: yesJournal of Periodontal Research, EarlyView.
Oxidative stress is involved in multiple chemical reactions that take place in different intracellular organelles: mitochondria, rough endoplasmic reticulum, peroxisomes, autophagy, and aging, and can be influenced by exogenous factors: nutrition, physical activity, psychological status, environmental conditions, microbiome, and drugs.
Pedro Bullon   +3 more
wiley   +1 more source

The Keystone‐Pathogen Hypothesis Updated: The Role of Porphyromonas gingivalis in Periodontitis

open access: yesJournal of Periodontal Research, EarlyView.
Porphyromonas gingivalis orchestrates a coordinated manipulation of immune and inflammatory responses in periodontal tissues which leads to the generation of a dysbiotic, subgingival biofilm community, and progression of periodontitis. The type 9 secretion system, lipid A modification, and the formation of outer membrane vesicles are important ...
Mike A. Curtis   +2 more
wiley   +1 more source

How to Name New Taxa of Archaea and Bacteria

open access: yesMajor Reference Works, Page 1-24., 2019

Bergey's Manual of Systematics of Archaea and Bacteria (BMSAB) is a reference work aimed at undergraduates, graduate students, researchers, professors and experienced professionals at all levels. About a hundred new genera and 600+ new species have been described per year for each of the last 5 years.
Aharon Oren
wiley  

+3 more sources

Abundance and diversity of marine microbial eukaryotes

open access: yes, 2015
[EN] Microeukaryotes are important ecological players in any kind of ecosystem, most notably in the ocean, and it is therefore essential to collect information about their abundance and diversity. To achieve this general goal this thesis was structured in two parts.
openaire   +2 more sources

The Oral‐Gut Axis: Bidirectional Interactions Between Microbiome and Diseases

open access: yesJournal of Periodontal Research, EarlyView.
This study aims to summarize the mechanisms underlying ectopic colonization of the gut by oral pathobionts and the microbial and host factors that regulate this process. ABSTRACT Increased colonization of typically oral microorganisms is frequently observed in the gut mucosa or lumen of individuals with gastrointestinal disorders, including patients ...
Shinya Ebihara, Nobuhiko Kamada
wiley   +1 more source

Viruses, Periodontitis, and Systemic Diseases

open access: yesJournal of Periodontal Research, EarlyView.
This narrative review aimed to summarize current evidence on the viral involvement in periodontitis and its relevance for systemic diseases. The oral cavity acts as an active viral reservoir and dissemination platform, where virus–microbiome interactions may promote dysbiosis, periodontitis progression, and systemic inflammatory effects, while the ...
Kim Natalie Solte   +2 more
wiley   +1 more source

Architecture and Evolution of Prokaryotic Multicellularity: Common Patterns and Diversity

open access: yesMolecular Microbiology, EarlyView.
Prokaryotes form diverse multicellular structures, like biofilms, filaments, and aggregates, comprising hallmark traits such as adhesion, communication, differentiation, and programmed cell death. This review explores how these forms develop, function, and evolve in response to environmental cues.
Genevieve Sohl   +3 more
wiley   +1 more source

Effects of Asaia spp. on the development, size and associated microbiomes of two mosquito species of medical importance

open access: yesMedical and Veterinary Entomology, EarlyView.
Addition of Asaia species to the rearing water of mosquito larvae can affect the structure of the larval microbiome, although these bacteria do not persist to the pupal stage. Asaia inoculation can increase the adult size of males of two mosquito species. The impact of Asaia inoculation on development rate and female size depended on bacterial and host
Alessandro Roman   +3 more
wiley   +1 more source

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