Results 31 to 40 of about 2,458 (152)

Alveolata histone-like proteins have different evolutionary origins [PDF]

open access: yesJournal of Evolutionary Biology, 2006
Abstract Prokaryotic histone-like proteins (Hlps) are abundant proteins found in bacterial and plastid nucleoids. Hlps are also found in the eukaryotic dinoflagellates and the apicomplexans, two major lineages of the Alveolata. It may be expected that Hlps of both groups were derived from the same ancestral Alveolates.
Kwok, ACM   +3 more
openaire   +4 more sources

The persistent homology of mitochondrial ATP synthases

open access: yesiScience, 2023
Summary: Relatively little is known about ATP synthase structure in protists, and the investigated ones exhibit divergent structures distinct from yeast or animals.
Savar D. Sinha, Jeremy G. Wideman
doaj   +1 more source

Comparative Analysis of Mollusc Assemblages from Different Hard Bottom Habitats in the Central Tyrrhenian Sea

open access: yesDiversity, 2019
Composition, trophic structure, and species-substrate relationships of molluscan assemblages inhabiting different hard bottom habitats (Sabellaria alveolata reef, photophilic bottoms, Phyllophora crispa sciaphilic assemblage, and coralligenous ...
Edoardo Casoli   +6 more
doaj   +1 more source

An Alveolata secretory machinery adapted to parasite host cell invasion

open access: yesNature Microbiology, 2021
Apicomplexa are unicellular eukaryotes and obligate intracellular parasites, including Plasmodium (the causative agent of malaria) and Toxoplasma (one of the most widespread zoonotic pathogens). Rhoptries, one of their specialized secretory organelles, undergo regulated exocytosis during invasion1.
Aquilini, Eleonora   +18 more
openaire   +3 more sources

Trichostomatid Ciliates (Alveolata, Ciliophora, Trichostomatia) Systematics and Diversity: Past, Present, and Future

open access: yesFrontiers in Microbiology, 2020
The gastrointestinal tracts of most herbivorous mammals are colonized by symbiotic ciliates of the subclass Trichostomatia, which form a well-supported monophyletic group, currently composed by ∼1,000 species, 129 genera, and 21 families, distributed ...
Franciane Cedrola   +6 more
doaj   +1 more source

Phylogenetic study of Class Armophorea (Alveolata, Ciliophora) based on 18S-rDNA data

open access: yesGenetics and Molecular Biology, 2013
The 18S rDNA phylogeny of Class Armophorea, a group of anaerobic ciliates, is proposed based on an analysis of 44 sequences (out of 195) retrieved from the NCBI/GenBank database.
Thiago da Silva Paiva   +2 more
doaj   +1 more source

Taxonomy and Molecular Phylogeny of Two New Species of Prostomatean Ciliates With Establishment of Foissnerophrys gen. n. (Alveolata, Ciliophora)

open access: yesFrontiers in Microbiology, 2021
Prostomatean ciliates play important roles in the flow of material and energy in aquatic microbial food webs, and thus have attracted wide attention for over a century. Their taxonomy and systematics are, however, still poorly understood because of their
Limin Jiang   +8 more
doaj   +1 more source

Hyperspectral and Lidar: Complementary Tools to Identify Benthic Features and Assess the Ecological Status of Sabellaria alveolata Reefs

open access: yesFrontiers in Marine Science, 2020
Sabellaria alveolata is a sedentary gregarious tube-building species widely distributed from southwest Scotland to Morocco. This species builds what are currently considered the largest European biogenic reefs in the bay of Mont-Saint-Michel (France). As
Touria Bajjouk   +6 more
doaj   +1 more source

Impact of Fire and Heat Stress on Soil Microorganisms: A Review of Community Changes, Molecular Responses and Plant‐Beneficial Roles

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 2, April 2026.
This work reviewed the direct and indirect effects of fires on microbial communities and the resilience strategies microbes use to withstand high temperatures . ABSTRACT Fire, whether occurring on the surface or underground, significantly influences soil microbial dynamics by reshaping community composition, functional diversity and overall soil and ...
Ma. del Carmen Orozco‐Mosqueda   +7 more
wiley   +1 more source

Benthic assemblages of rock pools in northern Portugal: seasonal and between-pool variability

open access: yesScientia Marina, 2012
We investigated the seasonal (winter vs summer and within season) and spatial (between-pool) variability of benthic assemblages of rock pools at mid-intertidal level along the shore of Viana do Castelo (North Portugal).
Iacopo Bertocci   +7 more
doaj   +1 more source

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