35 Result(s)
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Article
Preface: Diverse rotifers in diverse ecosystems
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Article
Does “form follow function” in the rotiferan genus Keratella?
Most species of Keratella possess dome-shaped, dorsal plates comprising a network of polyhedral units (facets), delineated by slightly raised ridges. The arrangement of facets define a species’ facet pattern (FP)...
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Article
The undiscovered country: ten grand challenges in rotifer biology
Authors have attributed the statement “All science is either physics or stamp collecting” to the Physicist, Ernest Rutherford. Putting this sarcastic quip aside, we know that scientific disciplines come of age...
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Article
Motility and size of rotifers as risk factors for being consumed by the passive protistan predator Actinosphaerium sp.
Predation is a well-known factor that structures rotifer communities. However, the role of protists as predators is relatively understudied. Here, we investigated predatory behavior of Actinosphaerium sp., a fres...
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Article
A meta-analysis of benthic rotifer community structure as a function of lake trophic state
Our understanding of the ecological drivers that control community structure of benthic rotifers is poorly known. By reviewing 21 papers on freshwater benthic rotifers we compiled an inventory of an additional...
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Article
Systematic distribution of birefringent bodies in Rotifera and first evidence of their ultrastructure in Acyclus inquietus (Gnesiotrocha: Collothecaceae)
Small birefringent concretions have been reported in rotifers for over a century and often hypothesized as energy sources. Here, we provide an update on their distribution in superorder Gnesiotrocha and the fi...
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Article
Preface: Crossing disciplinary borders in rotifer research
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Article
When heads are not homologous: the coronae of larval and adult collothecid rotifers (Rotifera: Monogononta: Collothecaceae)
Rotifers are diverse and abundant aquatic micrometazoans that rely on their ciliated apical end (corona) for locomotion and feeding. In order Collothecaceae, which includes mostly sessile species, larval rotif...
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Article
Reproductive isolation, morphological and ecological differentiation among cryptic species of Euchlanis dilatata, with the description of four new species
Morphological approaches may not provide sufficient resolution for species delineation. Thus, we used an integrated approach that included molecular and ecological characters as well as morphological features ...
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Article
Modeling the life history of sessile rotifers: larval substratum selection through reproduction
Although the theoretical underpinnings of habitat selection by marine invertebrate larvae have been well studied, this theory has been neglected for freshwater sessile rotifers. To study how substratum selecti...
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Article
Genome size and lifestyle in gnesiotrochan rotifers
Gnesiotrochan rotifers display a variety of life styles ranging from taxa with free-swimming larval and sessile adult stages to those with motile adult stages and colonial habits. Several explanations for the C-v...
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Article
Preface: evolving rotifers, evolving science
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Article
Fifteen species in one: deciphering the Brachionus plicatilis species complex (Rotifera, Monogononta) through DNA taxonomy
Understanding patterns and processes in biological diversity is a critical task given current and rapid environmental change. Such knowledge is even more essential when the taxa under consideration are import...
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Article
A metadata approach to documenting sex in phylum Rotifera: diapausing embryos, males, and hatchlings from sediments
We present a survey of the literature documenting sexuality in monogonont rotifers, including reports of diapausing embryos (DEs), males, and/or hatchlings from dry sediments. Of 30 families, 27 possess specie...
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Article
Open AccessRotifers from selected inland saline waters in the Chihuahuan Desert of México
In spite of considerable efforts over past decades we still know relatively little regarding the biogeography of rotifers of inland waters in México. To help rectify this we undertook an extensive survey of th...
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Article
Cryptic speciation in the cosmopolitan Epiphanes senta complex (Monogononta, Rotifera) with the description of new species
Many rotifers are considered to be cosmopolitan species including Epiphanes senta, which has been reported from all continents including Antarctica. To determine the potential for cryptic speciation in this speci...
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Article
Toward a Better Understanding of the Phylogeny of the Asplanchnidae (Rotifera)
We investigated the phylogenetic relationships of Family Asplanchnidae using both morphological and molecular data. The morphological database, comprising 23 characters from 19 taxa (15 Asplanchnidae and 4 out...
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Article
Brachionus calyciflorus is a Species Complex: Mating Behavior and Genetic Differentiation Among Four Geographically Isolated Strains
Four geographic strains of B. calyciflorus are investigated regarding their genetic similarity and ability to cross-mate. DNA sequence analysis of the mitochondrial cox1 gene (694 bp) and the nuclear ribosomal IT...
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Article
Heat Shock Protein 60 (HSP60) Response of Plationus patulus (Rotifera: Monogononta) to Combined Exposures of Arsenic and Heavy Metals
Organisms produce stress proteins as a response to natural and anthropogenic environmental changes. Induction of stress proteins has been reported in a variety of aquatic organisms, including rotifers, exposed...
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Life on the Edge: Rotifers From Springs and Ephemeral Waters in the Chihuahuan Desert, Big Bend National Park (Texas, USA)
Here we describe an on-going study of the rotifers inhabiting a sampling of springs (seeps), streams, ponds, tanks (diked ephemeral streams), and huecos and tinajas (small and large rock pools) of Big Bend Nat...
