Yana Mikhaleva

Yana Mikhaleva
University of Bergen | UiB · Haukeland University Hospital

PhD

About

7
Publications
1,205
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367
Citations
Citations since 2016
4 Research Items
200 Citations
20162017201820192020202120220102030
20162017201820192020202120220102030
20162017201820192020202120220102030
20162017201820192020202120220102030

Publications

Publications (7)
Article
We recently described calcium signaling in the appendicularian tunicate Oikopleura dioica during pre-gastrulation stages, and showed that regularly occurring calcium waves progress throughout the embryo in a characteristic spatiotemporal pattern from an initiation site in muscle lineage blastomeres (Mikhaleva et al., 2019). Here, we have extended o...
Article
Full-text available
We characterized spontaneous Ca2þ signals in Oikopleura dioica embryos from pre-fertilization to gastrula stages following injection of GCaMP6 mRNA into unfertilized eggs. The unfertilized egg exhibited regular, transient elevations in intracellular Ca2þ concentration with an average duration of 4–6 s and an average frequency of about 1 every 2.5 m...
Article
The mechanisms driving innovations that distinguish large taxons are poorly known and essentially accessible via a candidate gene approach. A spectacular acquisition by tunicate larvaceans is the house, a complex extracellular filtration device. Its components are secreted by the oikoplastic epithelium which covers the animal trunk. Here we describ...
Article
Full-text available
Significance The conversion of extracellular chemical signals into electrical current across the cell membrane is a defining characteristic of the nervous system. This is mediated by proteins, such as acid-sensing ion channels (ASICs), membrane-bound receptors whose activation by decreased extracellular pH opens an intrinsic membrane-spanning sodiu...
Article
Using RNA interference, we have selectively perturbed neurotransmitter-related features of the larval swimming behavior of Oikopleura dioica, a tunicate with a central nervous system comprising about 130 neurons. We injected dsRNA into fertilized eggs to knockdown the expression of the genes, respectively, encoding ChAT (choline acetyltransferase)...
Article
Full-text available
Genomes of animals as different as sponges and humans show conservation of global architecture. Here we show that multiple genomic features including transposon diversity, developmental gene repertoire, physical gene order, and intron-exon organization are shattered in the tunicate Oikopleura, belonging to the sister group of vertebrates and retain...
Article
Homeodomain transcription factors are involved in many developmental processes and have been intensely studied in a few model organisms, such as mouse, Drosophila and Caenorhabditis elegans. Homeobox genes fall into 10 classes (ANTP, PRD, POU, LIM, TALE, SIX, Cut, ZFH, HNF1, Prox) and 89 different families/groups, all of which are present in verteb...

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