CORRESPONDENCE
- Sun proteins and Dpy19l2 forming LINC-like links are critical for spermiogenesis
Summary: In this response to Pasch et al.’s (2015) discovery that Sun4 is essential for sperm head formation, the authors highlight that like Sun4, Dpy19l2 has a likely LINK-like function and that it also plays a crucial role in spermiogenesis and male infertility.
RESEARCH ARTICLES
- C. elegans flavin-containing monooxygenase-4 is essential for osmoregulation in hypotonic stress
Summary: C. elegans lacking fmo-4 fail to clear body water following hypotonic exposure resulting in rapid swelling and rupture, indicating that FMO-4 is required in the hypoosmotic stress response.
- Feliform carnivores have a distinguished constitutive innate immune response
Summary: The innate immunocompetence of six free-ranging carnivores is independent of their foraging behaviour, body mass or social organisation but reflects their phylogenetic relatedness.
- Training differentially regulates elastin level and proteolysis in skeletal and heart muscles and aorta in healthy rats
Summary: Endurance training increases elastin content in muscles but not in the aorta. The activities of enzymes responsible for ECM remodeling increase only in skeletal muscle. These changes seem to be adaptive.
- MicroRNA-204 modulates colorectal cancer cell sensitivity in response to 5-fluorouracil-based treatment by targeting high mobility group protein A2
Summary: miR-204 upregulates 5-Fu chemosensitivity via the downregulation of HMGA2 in colorectal cancer and provides significant insight into the mechanism of 5-Fu resistance in colorectal cancer patients.
- VEGF-A isoforms program differential VEGFR2 signal transduction, trafficking and proteolysis
Summary: We show that vascular endothelial growth factor (VEGF-A) isoforms program differential tyrosine phosphorylation, ubiquitylation, endocytosis and proteolysis of the receptor tyrosine kinase, VEGFR2.
- Trim37-deficient mice recapitulate several features of the multi-organ disorder Mulibrey nanism
Summary: A congenic Trim37-deficient mouse model recapitulates several features of the human disorder Mulibrey nanism, and thus provides a good model to study disease pathogenesis related to TRIM37 deficiency.
- Survival of glucose phosphate isomerase null somatic cells and germ cells in adult mouse chimaeras
Summary: Some Gpi1−/− somatic cells, lacking the glycolytic enzyme GPI, survived in mouse chimaeras. Breeding experiments showed that some GPI-null oocytes and spermatozoa were viable and functional.
- Olfactory organ of Octopus vulgaris: morphology, plasticity, turnover and sensory characterization
Summary: A 3D reconstruction of the Octopus vulgaris olfactory organ, as well as the localization of PCNA and (for the first time) OMP-like proteins in cephalopod mature olfactory chemosensory neurons are described.
- CLIC1 regulates dendritic cell antigen processing and presentation by modulating phagosome acidification and proteolysis
Summary: DC phagosomes from CLIC1−/− mice display impaired acidification and in vivo and in vitro antigen processing and presentation, revealing CLIC1−/− as a potential therapeutic target in reducing the adaptive immune response in autoimmune diseases.
- Garlic exerts allelopathic effects on pepper physiology in a hydroponic co-culture system
Summary: Garlic exerts allelopathic effects on pepper physiology in a hydroponic co-culture system, with low concentrations of garlic root promoting pepper growth, but high concentrations having deleterious effects.
- Simultaneous optimisation of earwig hindwings for flight and folding
Summary: Adjustments of the wing structure in earwig hindwings enable passive wing control during flapping flight. With an expansion of the claval flexion line, the highly foldable wing can withstand deformations during flapping flight and stay unfolded.
- PRDM14 promotes RAG-dependent Notch1 driver mutations in mouse T-ALL
Summary: PRDM14 promotes an epigenetic state that facilitates RAG-dependent Notch1 driver mutations, coupling progenitor cell expansion with genomic instability to produce T-ALL with shorter latency than other NOTCH1-driven mouse models.
- Time-resolved functional analysis of acute impairment of frataxin expression in an inducible cell model of Friedreich ataxia
Summary: The use of a new mammalian cell model with inducible homozygous and heterozygous frataxin knockout allows new insights into the chronology and causes of the disease Friedreich ataxia.
METHODS & TECHNIQUES
- Functional characterisation of human synaptic genes expressed in the Drosophila brain
Summary: This report describes a resource collection of Drosophila melanogaster strains expressing human synaptic genes and methods that can be applied in order to investigate the genes' function.
This issue
Other journals from The Company of Biologists
Cover article - Apolipoprotein L9 interacts with LC3/GABARAP and is a microtubule-associated protein with a widespread subcellular distribution
Arvind A. Thekkinghat, Kamlesh K. Yadav and Pundi N. Rangarajan demonstrate the versatile properties of apolipoprotein L9, a lipid-binding protein, and its influence on a variety of activities taking place inside an animal cell.
James J. Dowling and his colleagues conducted the first large-scale screening efforts for NEBLUN-related nemaline myopathy to address the urgent need for effective treatment for patients affected by the disease.
Have you seen our interviews with the early-career first authors of our papers? Recently, we caught up with first authors Arvind Thekkinghat, Shannon Taylor and Daisuke Takao.
Biology Open has strong credentials and publishing with us is easy and fast. BiO aims to provide rapid publication for scientifically sound observations and valid conclusions in developmental, cell, experimental and translational biology. Submit your paper here – you’ll be in good company!
Recent developmental biology highlights in BiO – Anna Nele Herdina and her colleagues define the spectrum of phenotypic abnormalities linked with Col4a2 disruption, and demonstrate the opportunities the Deciphering the Mechanisms of Developmental Disorders (DMDD) program offers for exploring rare human diseases.
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preLights - preLights reaches 500 posts!
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