Results 81 to 90 of about 5,403 (156)

Master of Puppets: How Microbiota Drive the Nematoda Ecology and Evolution?

Ecology and Evolution, Volume 15, Issue 8, August 2025.
The nematode microbiota can influence life‐history traits, thereby shaping the species' ecology and evolutionary trajectories. ABSTRACT In recent decades, the microbiota has emerged as a key driver of biological functions in metazoans, and nematodes are no exception.
Víctor José Trejo‐Meléndez, Jorge Contreras‐Garduño   +1 more
wiley   +1 more source

Multidimensional competition of nematodes affects plastic traits in a beetle ecosystem

Frontiers in Cell and Developmental Biology, 2022
Resource competition has driven the evolution of novel polyphenisms in numerous organisms, enhancing fitness in constantly changing environmental conditions.
Tess Renahan, Ralf J. Sommer
doaj   +1 more source

Persistent Gaps and Errors in Reference Databases Impede Ecologically Meaningful Taxonomy Assignments in 18S rRNA Studies: A Case Study of Terrestrial and Marine Nematodes

Environmental DNA, Volume 7, Issue 2, March/April 2025.
Public molecular databases (i.e., SILVA, EUKARYOME, BOLD) for most microbial metazoan phyla (nematodes, tardigrades, kinorhynchs, etc.) are sparsely populated, negatively impacting our ability to assign ecologically meaningful taxonomy to these understudied groups.
Alejandro De Santiago, Tiago José Pereira, Timothy John Ferrero, Natalie Barnes, Delphine Lallias, Simon Creer, Holly M. Bik   +6 more
wiley   +1 more source

Identification of Distinct Bacillus thuringiensis 4A4 Nematicidal Factors Using the Model Nematodes Pristionchus pacificus and Caenorhabditis elegans

Toxins, 2014
Bacillus thuringiensis has been extensively used for the biological control of insect pests. Nematicidal B. thuringiensis strains have also been identified; however, virulence factors of such strains are poorly investigated.
Igor Iatsenko, Angel Nikolov, Ralf J. Sommer   +2 more
doaj   +1 more source

Orphan genes are not a distinct biological entity

BioEssays, Volume 47, Issue 1, January 2025.
Orphan genes represent genes with no homologs in other species and are widely assumed to represent genuine species‐specific loci. We show that molecular evolution and sequence homology analyses reject this assumption and that orphan genes constitute a patchwork of genes of different evolutionary ages that originate throughout various mechanisms ...
Andres Barboza Pereira, Matthew Marano, Ramya Bathala, Rigoberto Ayala Zaragoza, Andres Neira, Alex Samano, Adekola Owoyemi, Claudio Casola   +7 more
wiley   +1 more source

miR‐4448/Girdin/Akt/AMPK axis inhibits EZH2‐mediated EMT and tumorigenesis in small‐cell lung cancer

Cancer Medicine, Volume 13, Issue 19, October 2024.
Small cell lung cancer (SCLC) showed high enhancer of zeste homolog 2 (EZH2) expression and promoted epithelial‐mesenchymal transition (EMT), and miR‐4448 prevented EZH2‐mediated EMT and tumorigenesis by modulating the Girdin/Akt/AMP‐activated protein kinase axis. miR‐4448 might be a potential SCLC inhibitor. Abstract Background Small‐cell lung cancer (
Nobuyuki Koyama, Yuichi Ishikawa, Hiromitsu Ohta, Takuya Aoki, Hiroyuki Kyoyama, Kazutetsu Aoshiba, Kazutsugu Uematsu   +6 more
wiley   +1 more source

Stomatal Dimorphism of Neodiplogaster acaloleptae (Diplogastromorpha: Diplogastridae).

PLoS ONE, 2016
Several genera belonging to the nematode family Diplogastridae show characteristic dimorphism in their feeding structures; specifically, they have microbial feeding stenostomatous and predatory eurystomatous morphs. A diplogastrid satellite model species,
Natsumi Kanzaki
doaj   +1 more source

Feeding‐structure morphogenesis in “rhabditid” and diplogastrid nematodes is not controlled by a conserved genetic module

Evolution &Development, Volume 26, Issue 2, March 2024.
CRISPR‐based knock‐outs of NHR‐1 and NHR‐40 in Caenorhabditis elegans do not cause any quantitative changes in mouth morphology, even though both NHRs are coexpressed in mouth tissues. Comparative transcriptomics reveals that NHR‐1 and NHR‐40 have vastly different regulatory targets in “rhabditids” and diplogastrids.
Tobias Theska, Ralf J. Sommer
wiley   +1 more source

The evolution of entomopathogeny in nematodes

Ecology and Evolution, Volume 14, Issue 2, February 2024.
Through convergent evolution, the entomopathogeny in nematodes is widespread within the Rhaditidae families, owing to the shared ecological and evolutionary attributes raised from saprophagy, phoresis, and necromeny. Abstract Understanding how parasites evolved is crucial to understand the host and parasite interaction.
V. J. Trejo‐Meléndez, J. Ibarra‐Rendón, J. Contreras‐Garduño   +2 more
wiley   +1 more source

Unraveling the evolutionary history of the nematode Pristionchus pacificus: from lineage diversification to island colonization

Ecology and Evolution, 2013
The hermaphroditic nematode Pristionchus pacificus is a model organism with a range of fully developed genetic tools. The species is globally widespread and highly diverse genetically, consisting of four major independent lineages (lineages A, B, C, and ...
Angela McGaughran, Katy Morgan, Ralf J Sommer   +2 more
doaj   +1 more source