Results 41 to 50 of about 19,706,429 (263)

Natural History Collections as Inspiration for Technology

open access: yesBioEssays, 2019
Living organisms are the ultimate survivalists, having evolved phenotypes with unprecedented adaptability, ingenuity, resourcefulness, and versatility compared to human technology. To harness these properties, functional descriptions and design principles from all sources of biodiversity information must be collated − including the hundreds of ...
Green, David W   +3 more
openaire   +3 more sources

A summer in Siberia: the travel and the collection itinerary to the mouth of the Ob River by the botanist and ethno-anthropologist Stéphen Sommier in 1880

open access: yesJournal of Maps
Stéphen Sommier (1848–1922) was a renowned botanist, plant collector, ethnographer, geographer and photographer. He is best known for his scientific expeditions to Italy, Scandinavia and Russia.
Daniele Viciani   +6 more
doaj   +1 more source

Manual of praying mantis morphology, nomenclature, and practices (Insecta, Mantodea)

open access: yesZooKeys, 2017
This study provides a comprehensive review of historical morphological nomenclature used for praying mantis (Mantodea) morphology, which includes citations, original use, and assignment of homology.
Sydney K. Brannoch   +5 more
doaj   +3 more sources

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Whistling invaders: Status and distribution of Johnstone’s Whistling frog (Eleutherodactylus johnstonei Barbour, 1914), 25 years after its introduction to Colombia [PDF]

open access: yesNeoBiota, 2019
Despite increased attention to the problem of alien amphibian invasions, systematic assessments of the actual invasion status and potential, required to estimate possible environmental and economic impacts of introduced species, are often missing.
Franziska Leonhardt   +2 more
doaj   +3 more sources

A global approach for natural history museum collections

open access: yesScience, 2023
Integration of the world’s natural history collections can provide a resource for decision ...
Johnson, Kirk R.   +4 more
openaire   +3 more sources

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Pyralis papaleonei sp. nov. from Crete (Greece) (Lepidoptera, Pyralidae) [PDF]

open access: yesNota Lepidopterologica
Pyralis papaleonei sp. nov. is described based on diagnostic phenotypic and genital morphological characters as well as unique DNA barcodes (COI gene – cytochrome c oxidase subunit 1) and compared with closely related taxa occurring in the Eastern ...
Peter Huemer   +2 more
doaj   +3 more sources

A new semi-cryptic Filistata from caves in the Levant with comments on the limits of Filistata insidiatrix (Forsskål, 1775) (Arachnida: Araneae: Filistatidae)

open access: yesEuropean Journal of Taxonomy, 2022
We describe a new troglophilic species of Filistata, F. betarif sp. nov. , collected from two caves in central Israel, by using light and electron microscopy and by DNA barcoding of the cytochrome c oxidase subunit I (COI) gene.
Ivan L.F. Magalhaes   +3 more
doaj   +1 more source

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

open access: yesFEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure   +3 more
wiley   +1 more source

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