Issues
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Cover image
Cover Image
Representative image of karyotyping of a mouse meiosis I oocyte from a paper by Hino and Kusakabe. Note that the mouse oocyte comprises 19 autosomes and an X chromosome (sex chromosome). All autosomes were arranged by number on the idiogram, with the sex chromosome placed last. Creative Commons Attribution 4.0 International license.
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EDITORIAL
RESEARCH ARTICLES
Effects of temperature on metabolic rate during metamorphosis in the alfalfa leafcutting bee
Summary: Ectotherms can experience a wide range of optimal to lethal temperatures due to environmental variation. Megachile rotundata is a solitary bee that is immobile during spring development and must endure changes in temperature. Thermal performance curves were generated for developing Megachile rotundata pupae using a new respirometry system.
The threat of a non-native oligochaete species in Iran's freshwater: assessment of the diversity and origin of Eiseniella tetraedra (Savigny, 1826) and its response to climate change
Summary: A non-native dominant oligochaete species is a silent threat to the freshwater ecosystems of Iran.
Hypoxia-inducible factor 1 alpha protein increases without changes in mRNA during acute hypoxic exposure of the Gulf killifish, Fundulus grandis
Summary: Parallel measurements of hypoxia inducible factor protein and mRNA support post-translational protein stabilization rather than new transcription in the initial response of fish to low oxygen.
Coilin mediates m6A RNA methylation through phosphorylation of METTL3
Summary: Our work highlights a novel role for the Cajal body marker protein, coilin, in m6A RNA methylation by which it influences the expression of METTL3 and participates in microRNA biogenesis.
METHODS & TECHNIQUES
What is complex allometry?
Summary: Complex bivariate allometry in logarithmic domain is caused by a requirement for an explicit intercept in the power equation describing untransformed observations.
A reliable technique for karyotyping mouse oocytes prepared by a gradual fixation/air-drying method followed by multicolour FISH
Summary: Mouse oocytes can be karyotyped efficiently and reliably by applying multicolour FISH to chromosome slides prepared by a gradual fixation/air-drying method best suited to avoid the artificial loss of chromosomes.
PUBLISHER'S NOTES
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The power of planaria
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