Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Install
Faster access than browser!
 

Point mutation

Index Point mutation

A point mutation is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a sequence of DNA or RNA. [1]

93 relations: Adaptation, Adenine, Alanine, Amino acid, Aspergillus nidulans, Base pair, Cancer, Cell (biology), Chromatin, Color blindness, Cysteine, Cystic fibrosis, Cytosine, DNA, DNA methylation, DNA replication, Ernst Freese, Evolution, Fast parallel proteolysis, Frameshift mutation, Francis Crick, Franklin Stahl, Gene, Gene product, Genetic code, Genome, Germline mutation, Gibberella zeae, Glutamic acid, Glycine, Guanine, Haematonectria haematococca, HBB, Hemoglobin, Hemoglobin, alpha 1, Histidine, Insertion (genetics), Intron, James Watson, Leptosphaeria maculans, Leucine, Lysine, Magnaporthe grisea, Mating, Matthew Meselson, Meiosis, Merlin (protein), Methods in Molecular Biology, Methylation, Methylation induced premeiotically, ..., Missense mutation, Mitosis, Molecular biology, Mutagen, Mutagenesis, Mutation, Natural selection, Neurofibromatosis, Neurofibromin 1, Neurospora crassa, Nonsense mutation, Nucleotide, Oscar Hertwig, Parasitism, Peptide, Podospora anserina, Precursor mRNA, Proline, Promoter (genetics), Protein, Purine, Pyrimidine, Repeated sequence (DNA), RNA, Serine, Sickle cell disease, Silent mutation, Stop codon, Synonymous substitution, Tay–Sachs disease, Threonine, Thymine, Transformation (genetics), Transition (genetics), Transposable element, Transversion, Trp operon, Tryptophan, Ultraviolet, Valine, Walther Flemming, Wild type, X-ray. Expand index (43 more) »

Adaptation

In biology, adaptation has three related meanings.

New!!: Point mutation and Adaptation · See more »

Adenine

Adenine (A, Ade) is a nucleobase (a purine derivative).

New!!: Point mutation and Adenine · See more »

Alanine

Alanine (symbol Ala or A) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Alanine · See more »

Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

New!!: Point mutation and Amino acid · See more »

Aspergillus nidulans

Aspergillus nidulans (also called Emericella nidulans when referring to its sexual form, or teleomorph) is one of many species of filamentous fungi in the phylum Ascomycota.

New!!: Point mutation and Aspergillus nidulans · See more »

Base pair

A base pair (bp) is a unit consisting of two nucleobases bound to each other by hydrogen bonds.

New!!: Point mutation and Base pair · See more »

Cancer

Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.

New!!: Point mutation and Cancer · See more »

Cell (biology)

The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known living organisms.

New!!: Point mutation and Cell (biology) · See more »

Chromatin

Chromatin is a complex of macromolecules found in cells, consisting of DNA, protein, and RNA.

New!!: Point mutation and Chromatin · See more »

Color blindness

Color blindness, also known as color vision deficiency, is the decreased ability to see color or differences in color.

New!!: Point mutation and Color blindness · See more »

Cysteine

Cysteine (symbol Cys or C) is a semi-essential proteinogenic amino acid with the formula HO2CCH(NH2)CH2SH.

New!!: Point mutation and Cysteine · See more »

Cystic fibrosis

Cystic fibrosis (CF) is a genetic disorder that affects mostly the lungs, but also the pancreas, liver, kidneys, and intestine.

New!!: Point mutation and Cystic fibrosis · See more »

Cytosine

Cytosine (C) is one of the four main bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA).

New!!: Point mutation and Cytosine · See more »

DNA

Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

New!!: Point mutation and DNA · See more »

DNA methylation

DNA methylation is a process by which methyl groups are added to the DNA molecule.

New!!: Point mutation and DNA methylation · See more »

DNA replication

In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule.

New!!: Point mutation and DNA replication · See more »

Ernst Freese

Dr.

New!!: Point mutation and Ernst Freese · See more »

Evolution

Evolution is change in the heritable characteristics of biological populations over successive generations.

New!!: Point mutation and Evolution · See more »

Fast parallel proteolysis

Fast parallel proteolysis (FASTpp) is a method to determine the thermostability of proteins by measuring which fraction of protein resists rapid proteolytic digestion.

New!!: Point mutation and Fast parallel proteolysis · See more »

Frameshift mutation

A frameshift mutation (also called a framing error or a reading frame shift) is a genetic mutation caused by indels (insertions or deletions) of a number of nucleotides in a DNA sequence that is not divisible by three.

New!!: Point mutation and Frameshift mutation · See more »

Francis Crick

Francis Harry Compton Crick (8 June 1916 – 28 July 2004) was a British molecular biologist, biophysicist, and neuroscientist, most noted for being a co-discoverer of the structure of the DNA molecule in 1953 with James Watson, work which was based partly on fundamental studies done by Rosalind Franklin, Raymond Gosling and Maurice Wilkins.

New!!: Point mutation and Francis Crick · See more »

Franklin Stahl

Franklin (Frank) William Stahl (born October 8, 1929) is an American molecular biologist and geneticist.

New!!: Point mutation and Franklin Stahl · See more »

Gene

In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

New!!: Point mutation and Gene · See more »

Gene product

A gene product is the biochemical material, either RNA or protein, resulting from expression of a gene.

New!!: Point mutation and Gene product · See more »

Genetic code

The genetic code is the set of rules used by living cells to translate information encoded within genetic material (DNA or mRNA sequences) into proteins.

New!!: Point mutation and Genetic code · See more »

Genome

In the fields of molecular biology and genetics, a genome is the genetic material of an organism.

New!!: Point mutation and Genome · See more »

Germline mutation

A germline mutation, or germinal mutation, is any detectable variation within germ cells (cells that, when fully developed, become sperm and ovum).

New!!: Point mutation and Germline mutation · See more »

Gibberella zeae

Gibberella zeae, also known by the name of its anamorph Fusarium graminearum, is a plant pathogen which causes fusarium head blight, a devastating disease on wheat and barley.

New!!: Point mutation and Gibberella zeae · See more »

Glutamic acid

Glutamic acid (symbol Glu or E) is an α-amino acid with formula.

New!!: Point mutation and Glutamic acid · See more »

Glycine

Glycine (symbol Gly or G) is the amino acid that has a single hydrogen atom as its side chain.

New!!: Point mutation and Glycine · See more »

Guanine

Guanine (or G, Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA).

New!!: Point mutation and Guanine · See more »

Haematonectria haematococca

Haematonectria haematococca is a plant pathogen and is the teleomorph of Fusarium solani.

New!!: Point mutation and Haematonectria haematococca · See more »

HBB

Beta globin (also referred to as HBB, β-globin, haemoglobin beta, hemoglobin beta, or preferably haemoglobin subunit beta) is a globin protein, which along with alpha globin (HBA), makes up the most common form of haemoglobin in adult humans, the HbA.

New!!: Point mutation and HBB · See more »

Hemoglobin

Hemoglobin (American) or haemoglobin (British); abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates (with the exception of the fish family Channichthyidae) as well as the tissues of some invertebrates.

New!!: Point mutation and Hemoglobin · See more »

Hemoglobin, alpha 1

Hemoglobin, alpha 1, also known as HBA1, is an hemoglobin protein that in humans is encoded by the HBA1 gene.

New!!: Point mutation and Hemoglobin, alpha 1 · See more »

Histidine

Histidine (symbol His or H) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Histidine · See more »

Insertion (genetics)

In genetics, an insertion (also called an insertion mutation) is the addition of one or more nucleotide base pairs into a DNA sequence.

New!!: Point mutation and Insertion (genetics) · See more »

Intron

An intron is any nucleotide sequence within a gene that is removed by RNA splicing during maturation of the final RNA product.

New!!: Point mutation and Intron · See more »

James Watson

James Dewey Watson (born April 6, 1928) is an American molecular biologist, geneticist and zoologist, best known as one of the co-discoverers of the structure of DNA in 1953 with Francis Crick and Rosalind Franklin.

New!!: Point mutation and James Watson · See more »

Leptosphaeria maculans

Leptosphaeria maculans (anamorph Phoma lingam) is a fungal pathogen of the phylum Ascomycota that is the causal agent of blackleg disease on Brassica crops.

New!!: Point mutation and Leptosphaeria maculans · See more »

Leucine

Leucine (symbol Leu or L) is an essential amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Leucine · See more »

Lysine

Lysine (symbol Lys or K) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Lysine · See more »

Magnaporthe grisea

Magnaporthe grisea, also known as rice blast fungus, rice rotten neck, rice seedling blight, blast of rice, oval leaf spot of graminea, pitting disease, ryegrass blast, and Johnson spot, is a plant-pathogenic fungus that causes a serious disease affecting rice.

New!!: Point mutation and Magnaporthe grisea · See more »

Mating

In biology, mating (or mateing in British English) is the pairing of either opposite-sex or hermaphroditic organisms, usually for the purposes of sexual reproduction.

New!!: Point mutation and Mating · See more »

Matthew Meselson

Matthew Stanley Meselson (born May 24, 1930) is a geneticist and molecular biologist currently at Harvard University, known for his demonstration, with Franklin Stahl, of the semi-conservative DNA replication.

New!!: Point mutation and Matthew Meselson · See more »

Meiosis

Meiosis (from Greek μείωσις, meiosis, which means lessening) is a specialized type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell that gave rise to them.

New!!: Point mutation and Meiosis · See more »

Merlin (protein)

Merlin (also called Neurofibromin 2 or schwannomin) is a cytoskeletal protein.

New!!: Point mutation and Merlin (protein) · See more »

Methods in Molecular Biology

Methods in Molecular Biology is a book series published by Humana Press that covers molecular biology research methods and protocols.

New!!: Point mutation and Methods in Molecular Biology · See more »

Methylation

In the chemical sciences, methylation denotes the addition of a methyl group on a substrate, or the substitution of an atom (or group) by a methyl group.

New!!: Point mutation and Methylation · See more »

Methylation induced premeiotically

In molecular biology, methylation induced premeiotically (MIP) is a process by which cytosines within repeated DNA sequences are de novo methylated prior to the sexual cycle.

New!!: Point mutation and Methylation induced premeiotically · See more »

Missense mutation

In genetics, a missense mutation is a point mutation in which a single nucleotide change results in a codon that codes for a different amino acid.

New!!: Point mutation and Missense mutation · See more »

Mitosis

In cell biology, mitosis is a part of the cell cycle when replicated chromosomes are separated into two new nuclei.

New!!: Point mutation and Mitosis · See more »

Molecular biology

Molecular biology is a branch of biology which concerns the molecular basis of biological activity between biomolecules in the various systems of a cell, including the interactions between DNA, RNA, proteins and their biosynthesis, as well as the regulation of these interactions.

New!!: Point mutation and Molecular biology · See more »

Mutagen

In genetics, a mutagen is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level.

New!!: Point mutation and Mutagen · See more »

Mutagenesis

Mutagenesis is a process by which the genetic information of an organism is changed, resulting in a mutation.

New!!: Point mutation and Mutagenesis · See more »

Mutation

In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.

New!!: Point mutation and Mutation · See more »

Natural selection

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype.

New!!: Point mutation and Natural selection · See more »

Neurofibromatosis

Neurofibromatosis (NF) is a group of three conditions in which tumors grow in the nervous system.

New!!: Point mutation and Neurofibromatosis · See more »

Neurofibromin 1

Neurofibromin 1 (NF1) is a gene in humans that is located on chromosome 17.

New!!: Point mutation and Neurofibromin 1 · See more »

Neurospora crassa

Neurospora crassa is a type of red bread mold of the phylum Ascomycota.

New!!: Point mutation and Neurospora crassa · See more »

Nonsense mutation

In genetics, a point-nonsense mutation is a point mutation in a sequence of DNA that results in a premature stop codon, or a point-nonsense codon in the transcribed mRNA, and in a truncated, incomplete, and usually nonfunctional protein product.

New!!: Point mutation and Nonsense mutation · See more »

Nucleotide

Nucleotides are organic molecules that serve as the monomer units for forming the nucleic acid polymers deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are essential biomolecules within all life-forms on Earth.

New!!: Point mutation and Nucleotide · See more »

Oscar Hertwig

Oscar Hertwig (21 April 1849 in Friedberg – 25 October 1922 in Berlin) was a German zoologist and professor, who also wrote about the theory of evolution circa 1916, over 55 years after Charles Darwin's book The Origin of Species.

New!!: Point mutation and Oscar Hertwig · See more »

Parasitism

In evolutionary biology, parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life.

New!!: Point mutation and Parasitism · See more »

Peptide

Peptides (from Gr.: πεπτός, peptós "digested"; derived from πέσσειν, péssein "to digest") are short chains of amino acid monomers linked by peptide (amide) bonds.

New!!: Point mutation and Peptide · See more »

Podospora anserina

Podospora anserina is a model filamentous, ascomycete fungus.

New!!: Point mutation and Podospora anserina · See more »

Precursor mRNA

Precursor mRNA (pre-mRNA) is an immature single strand of messenger ribonucleic acid (mRNA).

New!!: Point mutation and Precursor mRNA · See more »

Proline

Proline (symbol Pro or P) is a proteinogenic amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Proline · See more »

Promoter (genetics)

In genetics, a promoter is a region of DNA that initiates transcription of a particular gene.

New!!: Point mutation and Promoter (genetics) · See more »

Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

New!!: Point mutation and Protein · See more »

Purine

A purine is a heterocyclic aromatic organic compound that consists of a pyrimidine ring fused to an imidazole ring.

New!!: Point mutation and Purine · See more »

Pyrimidine

Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine.

New!!: Point mutation and Pyrimidine · See more »

Repeated sequence (DNA)

Repeated sequences (also known as repetitive elements, or repeats) are patterns of nucleic acids (DNA or RNA) that occur in multiple copies throughout the genome.

New!!: Point mutation and Repeated sequence (DNA) · See more »

RNA

Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.

New!!: Point mutation and RNA · See more »

Serine

Serine (symbol Ser or S) is an ɑ-amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Serine · See more »

Sickle cell disease

Sickle cell disease (SCD) is a group of blood disorders typically inherited from a person's parents.

New!!: Point mutation and Sickle cell disease · See more »

Silent mutation

Silent mutations are mutations in DNA that do not have an observable effect on the organism's phenotype.

New!!: Point mutation and Silent mutation · See more »

Stop codon

In the genetic code, a stop codon (or termination codon) is a nucleotide triplet within messenger RNA that signals a termination of translation into proteins.

New!!: Point mutation and Stop codon · See more »

Synonymous substitution

A synonymous substitution (often called a silent substitution though they are not always silent) is the evolutionary substitution of one base for another in an exon of a gene coding for a protein, such that the produced amino acid sequence is not modified.

New!!: Point mutation and Synonymous substitution · See more »

Tay–Sachs disease

Tay–Sachs disease is a genetic disorder that results in the destruction of nerve cells in the brain and spinal cord.

New!!: Point mutation and Tay–Sachs disease · See more »

Threonine

Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Threonine · See more »

Thymine

---> Thymine (T, Thy) is one of the four nucleobases in the nucleic acid of DNA that are represented by the letters G–C–A–T.

New!!: Point mutation and Thymine · See more »

Transformation (genetics)

In molecular biology, transformation is the genetic alteration of a cell resulting from the direct uptake and incorporation of exogenous genetic material from its surroundings through the cell membrane(s).

New!!: Point mutation and Transformation (genetics) · See more »

Transition (genetics)

In genetics, a transition is a point mutation that changes a purine nucleotide to another purine (A ↔ G) or a pyrimidine nucleotide to another pyrimidine (C ↔ T).

New!!: Point mutation and Transition (genetics) · See more »

Transposable element

A transposable element (TE or transposon) is a DNA sequence that can change its position within a genome, sometimes creating or reversing mutations and altering the cell's genetic identity and genome size.

New!!: Point mutation and Transposable element · See more »

Transversion

Transversion, in molecular biology, refers to the substitution of a (two ring) purine for a (one ring) pyrimidine or vice versa, in deoxyribonucleic acid (DNA).

New!!: Point mutation and Transversion · See more »

Trp operon

The trp operon is an operon—a group of genes that is used, or transcribed, together—that codes for the components for production of tryptophan.

New!!: Point mutation and Trp operon · See more »

Tryptophan

Tryptophan (symbol Trp or W) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Tryptophan · See more »

Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

New!!: Point mutation and Ultraviolet · See more »

Valine

Valine (symbol Val or V) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Point mutation and Valine · See more »

Walther Flemming

Walther Flemming (21 April 1843 – 4 August 1905) was a German biologist and a founder of cytogenetics.

New!!: Point mutation and Walther Flemming · See more »

Wild type

Wild type (WT) refers to the phenotype of the typical form of a species as it occurs in nature.

New!!: Point mutation and Wild type · See more »

X-ray

X-rays make up X-radiation, a form of electromagnetic radiation.

New!!: Point mutation and X-ray · See more »

Redirects here:

Base-pair substitution, Cellular reproduction and DNA replication: Point mutation, Micromutation, Nucleotide substitution, Point Mutations, Point mutations, Point source mutations, Repeat induced point mutation, Repeat induced point-mutation, Repeat-induced point mutation, Substitution mutation, Substitution of base.

References

[1] https://en.wikipedia.org/wiki/Point_mutation

OutgoingIncoming
Hey! We are on Facebook now! »