Results 111 to 120 of about 101,328 (347)

Hydroxyapatite Reinforced Magnesium Alloy Composites Using the Ultrasonic-Assisted Rheo-Squeeze Casting Technique: Microstructural and Mechanical Performance Evaluation for Bone Fixture Applications

Crystals
Magnesium-based biomaterials have recently been in the research spotlight in the field of biomedical engineering owing to their properties, such as density and biocompatibility that closely align with those of human bone. However, poor strength and rapid
Arunkumar Thirugnanasambandam, Ashokkumar Mohankumar, Rajendra Prasad Reddy Botta, William Woei Fong Chong, Geethapriyan Thangamani, Manoj Gupta   +5 more
doaj   +1 more source

Host and Symbiont Jointly Control Gut Microbiota during Complete Metamorphosis

PLoS Pathogens, 2015
Holometabolous insects undergo a radical anatomical re-organisation during metamorphosis. This poses a developmental challenge: the host must replace the larval gut but at the same time retain symbiotic gut microbes and avoid infection by opportunistic ...
P. Johnston, J. Rolff
semanticscholar   +1 more source

Creation of a Landslide Susceptibility Map Using Short‐Term Data From the July 2018 Heavy Rainfall in Southern Hiroshima Prefecture

Geological Journal, EarlyView.
This work advances landslide susceptibility mapping by incorporating short‐term trigger data with landscape susceptibility mapping. We also examine the importance of downsampling, watershed delineation and geospatial correlations in evaluating outcomes.
Kanta Kotsugi, Ting Liu, Toshiro Hata, Rebecca Muenich   +3 more
wiley   +1 more source

Heritability Estimates for Growth Traits and Correlation Analysis between Weight and Metamorphosis Rate in the Bullfrog Rana (Aquarana) catesbeiana

Fishes
Metamorphosis is a crucial process in the life cycle of Rana (Aquarana) catesbeiana. R. catesbeiana tadpoles, in their short larval period, possess a high survival rate and also a highly competitive ability in the amphibious stage.
Wencheng Xu, Yanzhe Wang, Guodong Wang, Lili Zhang, Guiling Zhang, Zhipeng Huo, Hui Ge   +6 more
doaj   +1 more source

CRISPR knockouts reveal an endogenous role for ancient neuropeptides in regulating developmental timing in a sea anemone

eLife, 2018
Neuropeptides are evolutionarily ancient peptide hormones of the nervous and neuroendocrine systems, and are thought to have regulated metamorphosis in early animal ancestors.
Nagayasu Nakanishi, Mark Q Martindale
doaj   +1 more source

Metamorphosis in Teleosts [PDF]

, 2013
Teleosts are the largest and most diverse group of vertebrates, and many species undergo morphological, physiological, and behavioral transitions, "metamorphoses," as they progress between morphologically divergent life stages. The larval metamorphosis that generally occurs as teleosts mature from larva to juvenile involves the loss of embryo-specific ...
Sarah K, McMenamin, David M, Parichy
openaire   +2 more sources

Why grow up? A perspective on insect strategies to avoid metamorphosis

, 2016
1. Insects with complete metamorphosis (holometaboly) are extremely successful, constituting over 60% of all described animal species. Complete metamorphosis confers significant advantages because it enables organisms to optimise life‐history components ...
D. McMahon, Alexander Hayward
semanticscholar   +1 more source

Krüppel Homolog 1 Inhibits Insect Metamorphosis via Direct Transcriptional Repression of Broad-Complex, a Pupal Specifier Gene*

Journal of Biological Chemistry, 2015
The Broad-Complex gene (BR-C) encodes transcription factors that dictate larval-pupal metamorphosis in insects. The expression of BR-C is induced by molting hormone (20-hydroxyecdysone (20E)), and this induction is repressed by juvenile hormone (JH ...
T. Kayukawa, Keisuke Nagamine, Yuka Ito, Y. Nishita, Y. Ishikawa, T. Shinoda   +5 more
semanticscholar   +1 more source

What is metamorphosis? [PDF]

, 2019
Metamorphosis (Gr. meta- “change” + morphe “form”) as a biological process is generally attributed to a subset of animals: most famously insects and amphibians, but some fish and many marine invertebrates as well.
Youson, J. H., Heyland, A., Flatt, Thomas, Tanaka, K., Pires, A., Georgiou, C. D., Reitzel, A. M., Hadfield, M. G., Erezyilmaz, D. F., Santagata, S., Bishop, C. D., Malakova, S. A., Hodin, J., Jacobs, M. W.   +13 more
core  

Geochemical and Geological Investigation of Skarn‐Type Pb–Zn Mineralization in Hastanetepe (Balya‐Balıkesir, Türkiye): An Approach Based on Fluid Inclusions, Sulphur Isotopes and Geochemical Data

Geological Journal, EarlyView.
Integrated petrographic, mineralogical and geochemical data from the Hastanetepe Pb–Zn deposit (Balya, Türkiye) reveal multi‐stage hydrothermal alteration and a magmatic sulphur source. Fluid inclusion and sulphur isotope results indicate a complex fluid evolution responsible for skarn‐type Pb–Zn mineralization along limestone–dacite contacts ...
Esra Ünal‐Çakır
wiley   +1 more source