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unusual facts about yeast


Helleborus foetidus

Yeasts colonise the nectaries of stinking hellebore and their presence has been found to raise the temperature of the flower, which may aid in attracting pollinators to the flower by increasing the evaporation of volatile organic compounds.


Acme Bread Company

While riding his bike through England during a summer trip to Europe he bought English Bread and Yeast Cookery, Elizabeth David's 1977 book on breadmaking and bread history.

Alltech

Lyons was born in Dundalk, Ireland and was educated in University College Dublin and the University of Birmingham, England, where he received a PhD in the biochemistry of yeast.

Augustyn Wróblewski

Augustyn Wroblewski, of Ślepowron coat of arms (born 20 July 1866 in Vilnius, died after 1913) - Polish chemist and biochemist, author of the groundbreaking work in the field of yeast fermentation, theorist and proponent of anarchism, an activist in socialist organizations, journalist, lecturer at the Jagiellonian University in Cracow.

Burebrot

Unlike most other breads, which are mainly composed of flour, yeast and water, the Burebrot also contains milk.

Burns Philp

Following the sale of its yeast and spices business to UK firm Associated British Foods, Uncle Toby's to Nestle for NZ$1.1bn, Bluebird Foods to PepsiCo for NZ$245m, and its NZ$676m 20% stake in Goodman Fielder the company became largely a cashed up shell.

Chromatin remodeling

There are at least five families of chromatin remodelers in eukaryotes : SWI/SNF, ISWI, NuRD/Mi-2/CHD, INO80 and SWR1 with first two remodelers being very well studied so far, especially in the yeast model.

Expression vector

Another yeast used for protein expression is Kluyveromyces lactis and the protein is expressed driven by a variant of the strong lactase LAC4 promoter.

Fino

It turned out that this strain of Saccharomyces yeast throve in air, and the more "head room" there was in the barrel the more likely it was to develop.

Flor

A similar yeast to flor is used in the production of Szamorodni szaraz in the Tokaj wine region in northeastern Hungary.

Franklin Stahl

In the succeeding years, his research involved the phages T4 and Lambda and the budding yeast, Saccharomyces cerevisiae, with his primary focus on genetic recombination.

Hepatitis B vaccine

It was withdrawn from the marketplace when Pablo DT Valenzuela, Research Director of Chiron Corporation succeeded in 1986 in making the antigen in yeast and invented the first recombinant vaccine.

History of beer

The popularity of hops was at first mixed—the Brewers Company of London went so far as to state "no hops, herbs, or other like thing be put into any ale or liquore wherof ale shall be made—but only liquor (water), malt, and yeast." However, by the 16th century, "ale" had come to refer to any strong beer, and all ales and beers were hopped, giving rise to the verse noted by the curious antiquary John Aubrey

Hyoscyamus niger

It was sometimes one of the ingredients in gruit, traditionally used in beers as a flavouring, until replaced by hops in the 11th to 16th centuries (for example, the Bavarian Purity Law of 1516 outlawed ingredients other than barley, hops, yeast, and water).

Isopentenyl-diphosphate delta isomerase

Mutations in IDI1, the gene that codes for IPP isomerase 1, have been implicated in decreased viability in a number of organisms, including the yeast Saccharomyces cerevisiae, the nematode Caenorhabditis elegans and the plant Arabidopsis thaliana.

Jewish Bakers' Voice

The Jewish Bakers' Voice had accused the Certified Yeast Company (a Jewish-owned business) of having imported German yeast under a false name (in breach of the Jewish boycott of German goods).

John Carbon

His research contributions include elucidation of the mechanism of genetic missense suppression in bacteria, the development of techniques to make genomic libraries using recombinant DNA, techniques for using yeast for DNA cloning, characterization of centromere DNA, and construction of the first artificial chromosomes.

Kanamycin

Mammalian cells, yeast, and other eukaryotes acquire resistance to geneticin (= G418, an aminoglycoside antibiotic similar to kanamycin) when transformed with a kanMX marker.

Mating of yeast

Cryptococcus neoformans is a basidiomycetous fungus that grows as a budding yeast in culture and in an infected host.

Mevio

Other shows include The Dawn and Drew Show (from October 2005 to October 2008), Madge Weinstein's Yeast Radio (from July 2005 til April 2008), CC Chapman's Accident Hash, Podshow Radio, Reaching for Lucidity, The Frank Truth, Pop17, The Scene Zine, Naive London Girl Podcast, Unleashed, tech vidcast GeekBrief.TV (from December 2005 to June 2010), and Madpod.

Mitochondrial fusion

There is a mitochondrial outer membrane fusion machinery, composed by proteins of the Fzo1 family in yeast or by MFN1, MFN2 in mammals, and a mitochondrial inner membrane fusion machinery, with the Mgm1 protein in yeast or the equivalent OPA1 in mammals.

Mitosis

For example, animals undergo an "open" mitosis, where the nuclear envelope breaks down before the chromosomes separate, while fungi such as Aspergillus nidulans and Saccharomyces cerevisiae (yeast) undergo a "closed" mitosis, where chromosomes divide within an intact cell nucleus.

Monilia

Candida albicans, a pathogenic yeast in humans and other mammals

NatA Acetyltransferase

Yeast cells lacking Natp and Ard1p show a reduced sporulation efficiency, failure to enter Nested gene

Genes nested opposite the coding sequences of their host genes are very rare, and have been observed in prokaryotes, and more recently, in yeast (S. cerevisiae) and in Tetrahymena thermophila.

Neutrophil extracellular traps

More recently, it has also been shown that not only bacteria but also pathogenic fungi such as Candida albicans induces neutrophils to form NETs that capture and kill C. albicans hyphal as well as yeast-form cells.

Ocean pout

In June 2006 the Unilever company announced that it would use genetically modified yeast to grow antifreeze proteins based on a gene from the ocean pout, and use it to improve the consistency and storage properties of its ice cream brands.

Pap test

Endocervical and endometrial abnormalities can also be detected, as can a number of infectious processes, including yeast, herpes simplex virus and trichomoniasis.

Phenotypic switching

An example is Candida albicans, which, when it infects host tissue, switches from the usual unicellular yeast-like form into an invasive, multicellular filamentous form.

Phosphoribosylanthranilate isomerase

Phosphoribosylanthranilate isomerase is also found in various forms of fungi such as Kluyveromyces lactis (yeast), Saccharomyces cerevisiae (yeast), and Ashbya gossypii.

Pichia stipitis

Found, among other places, in the guts of passalid beetles, S. stipitis is capable of both aerobic and oxygen limited fermentation, and has the highest known natural ability of any yeast to directly ferment xylose, converting it to ethanol, a potentially economically valuable trait.

Pom1

Pom1 is a polarity protein kinase in fission yeast, Schizosaccharomyces pombe (S. pombe), that localizes to cell ends and regulates cell division.

Pombe

Schizosaccharomyces pombe, the fission yeast, a yeast species used as a model organism in molecular and cell biology

Pruritus ani

Some diseases increase the possibility of yeast infections, such as diabetes mellitus or HIV infection.

Saccharomyces Genome Database

The Saccharomyces Genome Database is a scientific database of the molecular biology and genetics of the yeast Saccharomyces cerevisiae, which is commonly known as baker's or budding yeast.

Sally Lunn bun

A Sally Lunn is a type of enriched yeast bread associated with the city of Bath in the West Country of England, known since the late 18th Century and described by Eliza Acton's as a version of "Solimemne - A rich French breakfast cake, or Sally Lunn".

Salt-rising bread

One of the main rising agents in salt rising bread is a bacterium Clostridium perfringens, along with lactobacillus and other wild microbes, as opposed to mainly yeast or baking soda.

SEC24B

The encoded protein has similarity to yeast Sec24p component of COPII.

Signal peptide

It is however known that in yeast post-translational translocation requires the translocon and two additional membrane-bound proteins, Sec62 and Sec63.

Synthetic genomics

The J. Craig Venter Institute has assembled a quasi-synthetic Mycoplasma genitalium yeast genome by recombination of 25 overlapping fragments in a single step.

Tuak

Tuak is an alcoholic beverage made of fermented rice, yeast and sugar and drank in parts of Indonesia such as Sumatra, Sulawesi, Borneo, and parts of Malaysia such as Penang Island and East Malaysia.

UBB+1

UBB+1 can be truncated by yeast ubiquitin hydrolase 1 (YUH1) and ubiquitin C-terminal hydrolase L3 UCHL3 despite of the fact that the glycine at position 76 as been substituted for a tyrosine.

Ubiquitin interacting motif

Yeast VPS27 vacuolar sorting protein, which is required for membrane traffic to the vacuole.

Vienna bread

Charles Louis Fleischmann, the Czech American yeast pioneer who demonstrated Viennese baking at the first American World's Fair in Philadelphia 1876

Yeast flocculation

Yeast are capable of forming three aggregates; mating aggregates, for DNA exchange; chain formation; and flocs as a survival strategy in adverse conditions (Calleja, 1987).

YPEL3

The Drosophilia Yippee protein was originally discovered in a yeast interaction trap screen when it was found to physically interact with Hyalophora cecropia Hemolin.

Zürcher Murren

Like the Weggli, another traditional Swiss breadroll, Murren are made of white flour, milk, butter, yeast, a pinch of salt and sugar, malt and a leavening agent.

Zymology

The German Eduard Buchner, winner of the 1907 Nobel Prize in chemistry, later determined that fermentation was actually caused by a yeast secretion that he termed zymase.


see also