Results 61 to 70 of about 30,594 (297)

Comparative and functional anatomy of masticatory muscles and bite force in opossums (Didelphimorphia, Didelphidae)

open access: yesThe Anatomical Record, EarlyView.
We describe the functional anatomy of masticatory muscles in nine opossums, finding a generalized anatomical pattern with differences related to skull morphology. Variation in quantitative myological data and estimated bite force was mostly related to size, and the increase in bite force supports dietary diversification associated with size increase ...
Juann A. F. H. Abreu, Diego Astúa
wiley   +1 more source

Reduced Adult Neurogenesis in Humans Results From a Tradeoff Rather Than Direct Negative Selection

open access: yesBioEssays, EarlyView.
Embryonic radial glia (RG) generate neurons, glial cells, and later adult neural stem cells, which sustain adult neurogenesis (top, left to right). Human‐specific genetic modifications (blue arrow), selected to boost early RG neurogenic activity, may lead to premature RG exhaustion and reduced adult neurogenesis in the human brain (bottom).
David Morizet, Laure Bally‐Cuif
wiley   +1 more source

Hormones in Crustaceans [PDF]

open access: yesNature, 1959
Endocrine Control in Crustaceans By David B. Carlisle and Sir Francis Knowles, Bart. (Cambridge Monographs on Experimental Biology, No. 10.) Pp. vii + 120 + 5 plates. (Cambridge: At the University Press, 1959.) 21s. net.
openaire   +2 more sources

Complex Interplay of Metabolic Substrates, Points of Entry into the Mitochondrial Electron Chain, and ROS Generation

open access: yesBioEssays, EarlyView.
Recently, Singh et al. studied the influence of reactive oxygen species (ROS) formation by the ETC on mitochondrial morphology in baker's yeast. Their findings highlight evolutionary constraints, important trade‐offs using different metabolic substrates, and connections with points of entry into the ETC, ROS production, the FADH2/NADH ratio concept ...
Dave Speijer
wiley   +1 more source

Brazilian Biomes as Promising Resources of Rhodotorula Yeasts for the Biotechnological Production of Carotenoids

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT Yeasts belonging to the genus Rhodotorula are capable of synthesizing carotenoids, such as β‐carotene, γ‐carotene, torulene, torularodine, and astaxanthin. These carotenoids have been shown to offer health benefits to humans, such as immune system strengthening and a reduced risk of chronic degenerative diseases.
David Cristian Rodrigues Lucas   +1 more
wiley   +1 more source

Beyond Histones: Unveiling the Functional Roles of Protein Acetylation in Prokaryotes and Eukaryotes

open access: yesCell Biology International, EarlyView.
ABSTRACT Lysine acetylation plays a crucial role in cellular processes and is found across various evolutionary organisms. Recent advancements in proteomic techniques revealed the presence of acetylation in thousands of non‐histone proteins. Here, we conducted extensive meta‐analysis of 48 acetylomes spanning diverse organisms, including archaea ...
Bruno Sousa Bonifácio   +6 more
wiley   +1 more source

Mechanochemical and Aging‐Based SN2 Method to Access CO2‐Responsive, High‐Amine‐Loading Chitosan

open access: yesChemSusChem, EarlyView.
We report a green, scalable mechanochemical SN2 method to synthesize CO2‐responsive chitosan with a record‐high amine loading (DS up to 1.67). This one‐pot process functionalizes both amine and alcohol groups using minimal reagents and energy. The resulting biopolymer exhibits reversible pH and osmotic pressure changes upon CO2 exposure, offering a ...
Galen Yang   +5 more
wiley   +1 more source

In silico Identification of a Molecular Circadian System With Novel Features in the Crustacean Model Organism Parhyale hawaiensis

open access: yesFrontiers in Physiology, 2019
The amphipod Parhyale hawaiensis is a model organism of growing importance in the fields of evolutionary development and regeneration. A small, hardy marine crustacean that breeds year-round with a short generation time, it has simple lab culture ...
Benjamin James Hunt   +2 more
doaj   +1 more source

Crustaceans [PDF]

open access: yesCurrent Biology, 2008
VanHook, Annalisa M., Patel, Nipam H.
openaire   +2 more sources

Eustatic and tectonic controls on mixed carbonate‐siliciclastic ramp deposits in the South Pyrenean foreland basin: The Eocene Alveolina Limestone

open access: yesThe Depositional Record, EarlyView.
The lower Eocene Alveolina Limestone records the global early Eocene transgression, but is equally affected by tectonic movements of the Montsec active thrust located in its hangingwall. Tectonic movements and the early Eocene transgression facilitated a detrital provenance shift in the southern Pyrenean foreland from a southern provenance in the ...
Stefan Schröder   +3 more
wiley   +1 more source

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