Sentences with word «medaka»

Takagi was approached by Prof. Atsuko Yamashita at Okayama University who had been studying the T1r2 - T1r3 heterodimer of medaka fish for years.

«We started by looking for proteins that cause ER stress during the development of medaka fish embryos, which are known to have the same ten transducers,» explains first author Ishikawa.

Germ cells, irrespective of the sexual fate (to become sperm or eggs), have the potential to feminize the body in medaka.

Interestingly, however, a team of researchers led by Nagoya University previously found that the occurrence of more germ cells — biological cells capable of uniting with one from the opposite sex to form a new individual — in female medaka (teleost fish) gonads is essential for female differentiation of gonads.

Identification and gene expression profile analysis of a major type of lipoprotein lipase in adult medaka Oryzias latipes

In analyses of 23 videos of five different types of animals (mice, fruit flies, ants, zebrafish [shown], and small tropical fish called medaka), the software was able to identify and correctly track individuals (color - coded trails) within those groups 99.7 % of the time, researchers report online today in Nature Methods.

In addition to normal ovarian development, the increased number of gonocytes (fetal and neonatal germ cells) is sufficient for male - to - female sex reversal in XY medaka.

«Our analyses using medaka collectively also suggest that germ cells acquire the feminizing effect before committing to gametogenesis, while male germ cells undergo a quiescent state before the initiation of spermatogenesis,» corresponding author Minoru Tanaka says.

In their latest study, they generated three different medaka mutants to demonstrate that the feminizing effect of germ cells is not a result of the progression of gametogenesis or a sexual fate decision of germ cells.

The company collaborated with Taisen Iguchi, a professor of environmental endocrinology at the National Institute for Basic Biology in Okazaki, Japan, and Masato Kinoshita, assistant professor of applied biosciences at Kyoto University, who had created a adult medaka laboratory test.

Hong Kong - based Vitargent has commercialized a test using embryos of Oryzias melastigma, an Asian fish better known as medaka.

Unlike other fish models, medaka show genetic determination of sex clearly; males have a Y chromosome.

Given that Dazl is present in bony fish such as zebrafish and medaka [52], [53], we then asked if Dazl is present in the cartilaginous fish, phylogenetically the oldest group of living jawed vertebrates.

Mu - Yun Wang and Hideaki Takeuchi at the University of Tokyo observed female medaka that had become familiar with males.

Forthcoming workshops cover techniques as varied as «molecular and genetic tools for the analysis of medaka and zebrafish development» and «cryo - electron microscopy and 3 - D image reconstruction.»

What these results mean is that the mechanism underlying the feminizing effect of germ cells is activated before the sexual fate decision of germ cells and meiosis, probably by the time of gonocyte formation in medaka.

Just like humans, the medaka fish that lives in rice paddies is good at identifying faces — but, again like us, it struggles when faces are the wrong way up

For preparation reasons of the receptors, the group chose to study the medaka fish T1r2 - T1r3 heterodimer over the human version.

Identification of cells that determine the female gender in teleost fish (medaka).

When germ cells are removed in medaka, XX (female) fish show female - to - male sex reversal, while XY (male) fish with excessive germ cells, which is usually associated with egg production, exhibit male - to - female sex reversal.

Nagoya University - led study shows for the first time germ cells have an inherent property to feminize the body in teleost fish, medaka.

WatchFrog adapted the model to a sturdier variety of medaka that would better hold up to commercial testing and uses fish fry to speed the process.

The medaka (Oryzias latipes) has no trouble identifying a familiar face the right way up — but it struggles when it isn't.

The article, «Germ cells in the teleost fish medaka have an inherent feminizing effect», was published in PLOS Genetics at DOI: 10.1371 / journal.pgen.1007259.

Chen's team took the green fluorescent protein gene from jellyfish and spliced it into the genome of the medaka fish, Oryzias melastigma, next to a gene that detects oestrogen.

Our Scientific goal is the study of the main physiological functions of fish: growth and reproduction and our main models are rainbow trout, zebrafish, medaka, goldfish.

TEFOR - AMAGEN has developed two models of teleost fishes: medaka (Oryzias latipes) and zebrafish (Danio rerio).

◊ management of a fish animal facility (zebrafish, medaka): immersion training in March, April, May or October in Gif - s - Yvette (CFE, TEFOR - AMAGEN)