Flo

flol-1

Flolp gene gene designation genome location haploid introns kb locus long-terminal repeats (LTRs)

mating type

An organism whose genetic information is, in contrast to prokaryotes (such as bacteria), contained in a separate cellular compartment: the nucleus. Besides algae, fungi and protozoa, all multicellular cell-differentiating organisms including plants and animals are eukaryotes. In addition to their nuclear genome, all eukaryotic cells contain small additional, extranuclear genomes, which are contained in mitochondria (in all eukaryotes) and in plastids (only in eukaryotes that can perform photosynthesis).

European Functional Analysis Network.

Segments of a eukaryotic gene that encodes mRNA. In DNA, exons are adjacent to non-coding DNA segments, called introns.

A strain which is non-flocculent.

All wild-type genes controlling flocculation.

A strain which is flocculent.

A locus or dominant allele.

A locus or recessive allele.

Partial or complete deletion of the FLO 1 gene.

A specific dominant allele or mutation.

A specific recessive allele or mutation.

The protein encoded by FLOl.

A unit of heredity. A section of DNA coding for a single polypeptide chain; a particular species of tRNA, rRNA; or a sequence that is recognised by and interacts with regulator proteins.

Three letter italicised name that typically gives an indication of the function of the gene or the major phenotype associated with a defect in that gene.

YAR050w where Y = yeast, A = chromosome number (A = chromosome I, B = chromosome II, etc), R = right arm (of the chromosome, L = left arm), 050 = designated ORF number and w = which DNA strand the ORF is on (w = Watson, c = Crick).

The state of having only one set of chromosomes. See diploid.

Noncoding regions of eukaryotic genes, which are transcribed into mRNA but are then excised by a process called RNA-splicing. See exon.

Kilo bases - 1000 bases.

The position of a gene, mutation on a chromosome.

Identical DNA sequences, several hundred nucleotides long, found at both ends of transposons. They are thought to have a role in integrating the transposons into the host DNA. Solo LTRs and remnant LTRs indicate former integration sites of transposable elements.

The sex of a yeast cell. In S. cerevisiae three types of cells can be distinguished: a, a and a/a. The haploid a and a cells can mate with each other. During mating, cellular and nuclear fusion of the two cells of opposite mating type occurs, forming the third cell type, the diploid a/a cell. The a/a cell cannot mate but, unlike a and a cells, can be induced by external signals to enter meiosis and undergo sporulation.

Abbreviation

Definition

A special process of nuclear division during which spores are produced. Meiosis involves a diminution (by hall) in the amount of genetic material; it consists of two successive nuclear divisions with only one round of DNA replication producing four haploid daughter cells (the spores) from an initial diploid cell.

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