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initiation at biology dictionary

Upstream

..., the bacteria l promoter is upstream of the initiation codon . In an m RNA molecule , upstream means ...ne residue s, located 8-13 bp upstream of the initiation codon . Full article >>> Where several alternative polyadenylation sites are found,...

Untranslated RNA

..., the bacteria l promoter is upstream of the initiation codon . Full article >>> Untranslated RNA : See Nontranslated RNA . Upstream activator sequence : A binding site for transcription factor s, generally part of a promoter region. Full article >>> (Rougeulle et a...

Translation

... sequence (A/GCCATGG) for mammalian translation initiation site . For species -specific translation initiation sequence s, please visit Primo. Other Resources ... Full article >>> Translation (...

Transcription start site

... start site to just before the ATG translation initiation codon . 5' UTR may contain sequence s that regulate translation efficiency or m RNA stability. Full article >>> They are ubiquitous and interact with the core promoter region surrounding the transcription start site (s) of all ...

Transcription

...CAP) A specific regulatory protein that controls initiation of transcription of the genes producing the enzymes required for a bacteria l cell to use some other nutrient when glucose is lacking. Full article >>> Transcription terminator A short base sequence found at the 3' end o...

Transcript

...CAP) A specific regulatory protein that controls initiation of transcript ion of the genes producing the enzymes required for a bacteria l cell to use some other nutrient when glucose is lacking. Full article >>> Transcript ion terminator A short base sequence found at the 3' e...

Termination codon

...RNA located between the start- code sequence ( initiation codon ) and the stop- code sequence ( termination codon ). Operon A set of genes trans cribed under the control of an operator gene . Full article >>>...

TATA box

...es; binding site for general factors involved in initiation of transcription . In prokaryotes the analogous...) and thereby, directly or indirectly, affects the initiation of transcription . Eukaryotic proteins that aid RNA polymerase to recognize promoter s. Analog...

Stop codon

...2;>> A sequence of DNA following an initiation codon that does not contain a stop codon . Detection of an open reading frame in DNA implies the presence of a gene that codes for a protein . Related Terms: DNA sequence ... Full article >>> The CDS begins with the start c...

Start codon

...62;>> Translation starts with a chain initiation codon ( start codon ). Unlike stop codon s, the ...one is not sufficient to begin the process; nearby initiation sequence s are also required to induce transcription into m RNA and binding by ribosomes . Ful...

Species

... sequence (A/GCCATGG) for mammalian translation initiation site . For species -specific translation initiation sequence s, please visit Primo. Other Resources PubMed Google ... Full article >>> ...

Site

..., and really should be called the " transcription initiation site ". Full article >>> Cap site : The initiation site of transcription in a eukaryotic gene . The initiation of translation of most eukaryotic...

Sigma Factor

...eria l RNA polymerase which controls the correct initiation of transcription . These proteins increase the ...) and thereby, directly or indirectly, affects the initiation of transcription . Eukaryotic proteins that aid RNA polymerase to recognize promoter s. Analog...

Segment

... segment of a DNA molecule necessary for the initiation of its replication ; generally a site recognized and bound by the proteins of the replication system. Related Terms: Deoxyribonucleic acid ( DNA ) ... Full article >>> A segment of DNA that interacts with a repressor pr...

Resolution

...on , heteroduplex es result in the region between initiation and half chiasma resolution . The model thus accounts for the incomplete association of gene conversion and PMS events with cross-over events. Full article >>> A photomicrograph of an individual's chromosomes arranged in a stand...

Residue

...esidue s. The m RNA must also contain signals for initiation and termination of a polypeptide chain. Full article >>> The first function is to attach it to the cell surface, it does that by attaching to particular sugar residue s that are always present on all animal cells . Full articl...

Replication

... segment of a DNA molecule necessary for the initiation of its replication ; generally a site recognized and bound by the proteins of the replication system. Related Terms: Deoxyribonucleic acid ( DNA ) ... Full article >>> Mitosis replication and division of the chromosome...

Reading frame

...RNA located between the start- code sequence ( initiation codon ) and the stop- code sequence ( termination codon ). Operon A set of genes trans cribed under the control of an operator gene . Full article >>> Open Reading Frame A brief description of the concept of an open read...

Proximal

...s anabolism . Full article >>> The initiation of translation of most eukaryotic m RNA s involves recognition of the cap followed by either the first downstream AUG or by a 5' proximal AUG with a consensus sequence surrounding it (like the bacteria l Shine- Dalgarno ... Full article &#...

Promoter site

...or assembly of an RNA polymerase complex and the initiation of transcription . Full article >>> Transcription is initiated at the promoter site , as an increase in the amount of an active transcription factor binds a target DNA sequence . Other proteins , known as "scaffolding proteins...

Polyadenylation

...are thought to function in m RNA stability and in initiation of translation . Full article >>> Alternative selection of cleavage / polyadenylation sites: this is the only method of splicing which can produce an alternative C-terminus domain in proteins . In this case, different sets ...

PolyA tail

...are thought to function in m RNA stability and in initiation of translation . The formation of proper 3' ends that are polyadenylated is important. Full article >>> Changes in eukaryotic m RNA , t RNA or other RNA s made after transcription has been completed. The changes to m RNA include...

Polarity

... The observations are consistent with preferential initiation of recombination events at a hotspot, coupled with different extents of heteroduplex formation. Full article >>> Search for polarity in these other data bases too Definition of polarity : ... Full article >>> P...

Phosphate group

...sphate group corresponding to the transcription initiation (see also three-prime end ). FlavrSavr ... Full article >>>...

Osmosis

...ellectual osmosis , but often formal training and initiation rites develop as part of a system of education. Full article >>> orosomucoid An old term for a1-acid glycoprotein -osis full of osmosis Bulk flow of water through a semipermeable membrane into another aqueous compartment containing...

Origin of replication

...karyotes ). Full article >>> In the initiation step, several key factors are recruited to an origin of replication . This origin of replication is unwound, and the partially unwound strand s form a " replication bubble ", with one replication fork on either end. Full article >>>...

Open reading frame

...g frame (ORF) A sequence of DNA following an initiation codon that does not contain a stop codon . Detec...RNA located between the start- code sequence ( initiation codon ) and the stop- code sequence ( termination codon ). Operon A set of genes trans cribed ...

Nucleus

...ortest length of DNA homology required for the initiation of homologous recombination . Full article >>> Chromosomes Structures in the cell nucleus , each containing the DNA for many hundred genes, package d with proteins . Full article >>> A variety of RNA s foun...

Mutagen

...;> carcinogens - a substance that causes the initiation of tumor formation. Frequently a mutagen connective tissue s B a primary tissue ; form and function vary extensively. Functions include support, storage, and protection. Full article >>> DNA that has been created artificially. ...

Melting

...shorter oligomers, end effects, which refer to the initiation of melting from the solvent exposed ends, complicate the application of thermodynamic data collected on long DNA s to the types of molecule s used in SBH. Full article >>> The choice of the length of the primer s and their mel...

Macromolecules

...s , and nucleic acids . infra- below, underneath initiation codon AUG. Full article >>> In the late endocytic pathway, it has been proposed that endocytosed macromolecules are delivered to a proteolytic environment by 'kiss-and-run' events or direct fusion between late endosomes and lysos...

Interference

...ned early, during the formation of a syntaptonemal initiation complex. The ZIP1 protein binds lateral elements together. Full article >>> I would hope to see that very early prevention and very early interference with the advancement of cancer could be held up. The stage you don't want t...

Initiation Codon

...s. (Occasionally GUG, valine, is recognized as an initiation codon ). A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> initiation codon (AUG) Three- base sequence on the messenger RNA that codes for the amino acid methionine...

Gene conversion

... The observations are consistent with preferential initiation of recombination events at a hotspot, coupled with different extents of heteroduplex formation. Full article >>> Gene conversion during meiosis alters the normal mendel ian ratios. Normally, meiosis in a heterozygous (A,a)...

Gene

...CAP) A specific regulatory protein that controls initiation of transcription of the genes producing the enzymes required for a bacteria l cell to use some other nutrient when glucose is lacking. Full article >>> Allele : one of two or more different chemical codes possible for a given...

Eukaryotes

..., and really should be called the " transcription initiation site ". The first nucleotide is trans cribed from this site to start the nascent RNA chain. Full article >>> Cap: All eukaryotes have at the 5' end of their message s a structure called a "cap", consisting of a 7-methylguano...

Enzymes

...CAP) A specific regulatory protein that controls initiation of transcription of the genes producing the enzymes required for a bacteria l cell to use some other nutrient when glucose is lacking. Full article >>> Sticky end Short section of single- strand ed DNA produced at the end ...

Entropy

...of base stacking interactions adjusted for helix initiation factors ΔS is the entropy of base stacking adjusted for helix initiation factors and for the contributions of salts to the entropy R is the universal gas constant ... Fu...

Elongation factor

...r instance, archaean translation uses eukaryotic initiation and elongation factor s, ... Full article >>> Elongation - Next AA in line will form complex with elongation factor and GTP. Full article >>> to such known proteins as the GTPase activating proteins or the ETS fa...

Downstream

...ple, the coding region is downstream from the initiation codon , toward the 3' end of an m RNA molecule . Full article >>> Downstream . The region extending in a 3' direction from a gene . dsc DNA . See double- strand ed complementary DNA . Duplex DNA . Double- strand ed DNA . Full a...

DNA replication

... a cell 's DNA replication proteins , allowing initiation of new DNA synthesis. Full article >>> short DNA fragment found during discontinuous DNA replication Source: Jenkins, John B. 1990. Human Genetics , 2nd Edition. New York: Harper & Row What Topic Is Your BIOLOGY Paper On...

Depolarization

... a neurotransmitter at its basal surface and the initiation of nerve impulse s in a sensory neuron that synapse s with it. Full article >>> depolarization The loss of an electrical charge on the surface of a membrane. depolarized The reduction in the difference in charge (potential) bet...

CpG island

...G island s located downstream of transcription initiation does not block elongation of the transcript (see also Methylation paradox ). Full article >>>...

Conversion

... The observations are consistent with preferential initiation of recombination events at a hotspot, coupled with different extents of heteroduplex formation. Full article >>> GENE CONVERSION - The alteration of all or part of a gene by a homologous donor DNA that is itself not altered...

Conserved sequence

...es; binding site for general factors involved in initiation of transcription . In prokaryotes the analogous is called Pribnow box . Full article >>> Highly conserved sequence DNA sequence that is very similar across several different types of organ isms. See also: gene , mutation H...

Consensus sequence

...sequence (AGGAGG) upstream of the translation initiation site ATG in bacteria . Important for translati... initiation. For species -specific translation initiation sequence s in bacteria , please visit Primo. Other Resources PubMed Google ... Full article >...

Codon

...ne residue s, located 8-13 bp upstream of the initiation codon . Full article >>> At one end of the t RNA s three contig uous nucleotide s, the anti codon , specifically base pair with only a specific subset of codon triplets. The opposite ends have a place for covalent attachment ...

Coding region

...ple, the coding region is downstream from the initiation codon , toward the 3' end of an m RNA molecule ....on AUG both codes for methionine and serves as an initiation site : the first AUG in an m RNA 's coding region is where translation into protein begins. ...

Cap site

..., and really should be called the " transcription initiation site ". Full article >>> Cap site : The initiation site of transcription in a eukaryotic gene . The initiation of translation of most eukaryotic...

Blastopore

...62;> blastopore - site of gastrulation initiation and later the opening of the archenteron at the vegetal region of certain embryo s (e.g., echinoderm and amphibian); in deuterostome embryo s it is the future anus of the organ ism. Full article >>> blastopore The opening of...

Blastomere

...cleavage . blastopore - site of gastrulation initiation and later the opening of the archenteron at the vegetal region of certain embryo s (e.g., echinoderm and amphibian); ... Full article >>> blastomere s Any cell that occurs in the blastula . Covered in Lab 14 Gametogenesis an...

Binding site

...about 50 bases upstream of the transcription initiation site . Full article >>> RecA monom...es; binding site for general factors involved in initiation of transcription . In prokaryotes the analogous is called Pribnow box . Full article >>...

Base

...of base stacking interactions adjusted for helix initiation factors "S ... Full article >>> base A substance that ionizes in water to release hydroxyl ions (OH_) or other ions that combine with hydrogen ions. basic Possessing a large number of hydroxyl (OH_) ions; a pH of more than 7.0. Ful...

AP site

..., and really should be called the " transcription initiation site ". Full article >>> C ap site : The initiation site of transcription in a eukaryotic gene . The initiation of translation of most eukaryotic...

Antisense

...translation start sites on an m RNA prevents the initiation of translation . Full article >>> Antisense RNA can be injected into eukaryotic cells as a control mechanism. Types of control in Eukaryotes ... Full article >>> Antisense DNA / RNA : Single strand ed nucl...
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