Results 11 to 20 of about 2,145 (201)

Integrative description of Macrobiotus canaricus sp. nov. with notes on M. recens (Eutardigrada: Macrobiotidae) [PDF]

open access: yesEuropean Journal of Taxonomy, 2018
In this paper we describe Macrobiotus canaricus sp. nov., a new tardigrade species of the Macrobiotus hufelandi group from the Canary Islands. Moreover, with the use of DNA sequencing, we confirm that Macrobiotus recens Cuénot, 1932 represents the ...
Daniel Stec   +2 more
doaj   +3 more sources

Morphology and taxonomy of the genus Ramazzottius (Eutardigrada; Ramazzottiidae) with the integrative description of Ramazzottius kretschmanni sp. nov [PDF]

open access: yesThe European Zoological Journal, 2022
The species of the genus Ramazzottius (Ramazzottiidae, Eutardigrada) are among the most common and widespread tardigrade species in the world. Most of the 28 Ramazzottius species have been described only with morphological characters which were most of ...
R. Guidetti   +6 more
doaj   +3 more sources

Integrative taxonomy identifies two new tardigrade species (Eutardigrada: Macrobiotidae) from Greenland [PDF]

open access: yesEuropean Journal of Taxonomy, 2020
In this paper we describe Macrobiotus engbergi sp. nov. and Tenuibiotus zandrae sp. nov. from Greenland. Our study has involved both classical taxonomic methods, which include morphological and morphometric analyses conducted with the use of light and ...
Daniel Stec   +2 more
doaj   +3 more sources

Fibril Structure of Desiccation-Protective Tardigrade Protein CAHS-8. [PDF]

open access: yesAngew Chem Int Ed Engl
We present the atomic structure of the fibril formed by an intrinsically disordered protein that has been shown to be responsible for remarkable environmental stress in tardigrades. X‐ray crystallography reveals a unique mechanism of fibril assembly whereby a single helix forms a stable, antiparallel coiled‐coil dimer, which then assembles into a ...
Malki A   +6 more
europepmc   +2 more sources

Search for putative gene regulatory motifs in CAHS3, linked to anhydrobiosis in a tardigrade Ramazzottius varieornatus, in vivo and in silico. [PDF]

open access: yesGenes Cells
Tardigrades can survive in an almost completely dehydrated state, known as anhydrobiosis, aided by proteins like CAHS3. Research using a newly developed tardigrade‐specific vector revealed that CAHS3 expression is most pronounced in the epidermis, suggesting tissue‐specific regulation rather than uniform expression.
Ishikawa S, Tanaka S, Arakawa K.
europepmc   +2 more sources

Metabolite phosphatase from anhydrobiotic tardigrades. [PDF]

open access: yesFEBS J
In this study, we determined the crystal structure of a Ferritin‐like protein widely distributed among intriguing organisms such as tardigrades, which show tolerance to extreme environmental conditions. We identified a dinuclear metal‐binding site, which we found harbors phosphatase activity toward several metabolites, including compounds related to ...
Kato S   +5 more
europepmc   +2 more sources

Redescription of Antarctic eutardigrade Dastychius improvisus (Dastych, 1984) and some remarks on phylogenetic relationships within Isohypsibioidea

open access: yesThe European Zoological Journal, 2021
In the present paper, we examined the type material as well as newly collected specimens of the rare Antarctic eutardigrade species – Dastychius improvisus.
M. Mioduchowska   +6 more
doaj   +1 more source

Considerations on the claws of the Apochela and a novel detail of the bucco-pharyngeal apparatus of the genus Milnesium (Tardigrada: Apochela: Milnesiidae)

open access: yesThe European Zoological Journal, 2022
This article clarifies two morphological problems, the first regarding all Apochela Schuster, Nelson, Grigarick and Christenberry 1980, and the second the genus Milnesium Doyère, 1840.
D. Camarda, G. Pilato, O. Lisi
doaj   +1 more source

Experimental taxonomy exposes ontogenetic variability and elucidates the taxonomic value of claw configuration in Milnesium Doyère, 1840 (Tardigrada : Eutardigrada : Apochela) [PDF]

open access: yes, 2016
In this paper we describe a new apochelan species, Milnesium variefidum sp. nov. from Scotland and provide novel morphological and molecular data for Milnesium berladnicorum Ciobanu et al., 2014.
Blagden, Brian   +4 more
core   +2 more sources

Integrative Redescription of the Minibiotus intermedius (Plate, 1888)—The Type Species of the Genus Minibiotus R.O. Schuster, 1980

open access: yesDiversity, 2022
In the present study, we used the integrative taxonomy approach to redescribe Minibiotus intermedius based on the newly found topotypic population in Marburg (Germany).
Łukasz Kaczmarek   +4 more
doaj   +1 more source

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