Results 221 to 230 of about 226,925 (292)

Effects of life history strategies and habitats on limb regeneration in plethodontid salamanders

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background Salamanders are the only tetrapods that exhibit the ability to fully regenerate limbs. The axolotl, a neotenic salamander, has become the model organism for regeneration research. Great advances have been made providing a detailed understanding of the morphological and molecular processes involved in limb regeneration.
Vivien Bothe   +3 more
wiley   +1 more source

A unique case of commensalism: The beaver beetle Platypsyllus castoris (Leiodidae, Coleoptera) and its morphological adaptations

open access: yesJournal of Morphology, Volume 284, Issue 1, January 2023., 2023
We document in detail the morphology of adults of the beaver beetle Platypsyllus castoris with modern techniques, and interpret evolutionary changes linked with the specific life style of the beetle in the fur of the beaver. Platypsyllus displays numerous structural specializations which ensure mechanical stabilization, firm anchorage on the host, and ...
Margarita I. Yavorskaya   +2 more
wiley   +1 more source

Knockout of rbm24a and rbm24b genes in zebrafish impairs skeletal and cardiac muscle integrity and function during development

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Backgound Skeletal and cardiac muscles are contractile tissues whose development and function are dependent on genetic programs that must be precisely orchestrated in time and space. In addition to transcription factors, RNA‐binding proteins tightly regulate gene expression by controlling the fate of RNA transcripts, thus specific proteins ...
Audrey Saquet   +3 more
wiley   +1 more source

Ontogenetic shifts in olfactory rosette morphology of the sockeye salmon, Oncorhynchus nerka

open access: yesJournal of Morphology, Volume 284, Issue 1, January 2023., 2023
Scanning electron microscope images of sockeye salmon olfactory rosette. Olfactory rosette size linearly increases with lamellae number throughout ontogeny. The complexity of the rosette, including the distribution of sensory and nonsensory epithelia, and the appearance of secondary lamellar folding, varies between fry and adult life stages.
Sarah E. Rheinsmith   +3 more
wiley   +1 more source

A novel transgenic reporter of extracellular acidification in zebrafish elucidates skeletal muscle T‐tubule pH regulation

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Disruption of extracellular pH and proton‐sensing can profoundly impact cellular and protein functions, leading to developmental defects. To visualize changes in extracellular pH in the developing embryo, we generated a zebrafish transgenic line that ubiquitously expresses the ratiometric pH‐sensitive fluorescent protein pHluorin2, tethered to
Leif R. Neitzel   +5 more
wiley   +1 more source

Biomedical applications of silk and its role for intervertebral disc repair

open access: yesJOR SPINE, Volume 5, Issue 4, December 2022., 2022
For years, researchers have been seeking a suitable biomaterial to repair and/or regenerate the intervertebral disc (IVD) and a promising candidate to fill this gap could be the application of silk. Therefore, this review aims to elaborate on the different origins from which silk is harvested, the characteristics of each silk type and how it can be ...
Andreas S. Croft   +6 more
wiley   +1 more source

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