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Gene mutations
Gene mutations describe a change in the DNA sequence that makes up a gene. There are many kinds of gene mutations which have been characterized by scientists. The main categories of mutations are germline mutations, which occur in the gametes (haploid male or female reproductive cells), and somatic mutations, occur in all other cell types. Chromosomal alterations are mutations that change the structure of chromosomes in a variety of ways such as deletion, duplication, insertion, translocation, or inversion of a section of the chromosome. Point mutations include a single nucleotide change within the DNA and these mutations can be classified as silent (the mutation codes for the same amino acid so the change has no effect), missense (the mutation codes for an alternative amino acid), and nonsense (the mutation codes for a premature stop codon). Frameshift mutations occur when the addition or deletion of nucleotide(s) alter the reading frame of the sequence altering all subsequent amino acid coding.
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OCT 11, 2023Genetics & Genomics
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The CRISPR gene editing system originated in bacteria, or prokaryotic cells. Now scientists have identified a similar sy ...Written By: Carmen Leitch
OCT 11, 2023
Genetics & Genomics
The causes of autism are still not well understood, although some genes have been identified that play a clear role in s
...
Written By:
Carmen Leitch
SEP 28, 2023
Genetics & Genomics
So-called junk DNA was given that unfortunate nickname because its function was unclear. These vast regions of the genom
...
Written By:
Carmen Leitch
SEP 26, 2023
Genetics & Genomics
Facioscapulohumeral muscular dystrophy (FSHD) is one of the most common forms of muscular dystrophy that impacts almost
...
Written By:
Carmen Leitch
SEP 20, 2023
Genetics & Genomics
Genetic editing is an invariable tool in biomedical research. Scientists have been able to engineer the genomes of a var
...
Written By:
Carmen Leitch
SEP 19, 2023
Genetics & Genomics
Eukaryotic cells have many specialized complexes and organelles that perform crucial functions. Mitochondria are a well
...
Written By:
Carmen Leitch
SEP 13, 2023
Genetics & Genomics
A human brain organoid mosaic, created with a new tool called CHOOSE (CRISPR-human organoids-scRNA-seq) in this image -
...
Written By:
Carmen Leitch
SEP 13, 2023
Cell & Molecular Biology
What’s the story behind DNA melting temperature analysis? UV-Visible absorption spectroscopy can be used to assess
...
Sponsored By:
Thermo Fisher Scientific
AUG 31, 2023
Clinical & Molecular DX
Reaching an accurate Parkinson's disease diagnosis can be complex and challenging for patients and practitioners; right
...
Written By:
Carmen Leitch
AUG 28, 2023
Cell & Molecular Biology
Rates of colorectal cancer in people under 50 are increasing. High fat diets and how they impact the gut microbiome are
...
Written By:
Carmen Leitch
AUG 28, 2023
Cancer
Work presented at this year’s American Society of Clinical Oncology (ASCO) annual meeting included data from a pha
...
Written By:
Katie Kokolus
AUG 18, 2023
Genetics & Genomics
Since 2014, the ALS Ice Bucket Challenge https://www.als.org/IBC has inspired more than 17 million people to raise $115
...
Written By:
Carmen Leitch
AUG 14, 2023
Clinical & Molecular DX
A new kind of biosensor has been created by an international team of researchers; they made bacteria that are able to de
...
Written By:
Carmen Leitch
AUG 09, 2023
Drug Discovery & Development
Gene therapy can now target kidney cells allowing future clinicians to target childhood kidney diseases
Written By:
Amielle Moreno
AUG 02, 2023
Genetics & Genomics
In a study in which scientists took a novel approach to deciphering the genetics of autism, scientists have found that a
...
Written By:
Carmen Leitch
AUG 01, 2023
Clinical & Molecular DX
Genetic testing can be a very beneficial technology; it can diagnose unusual or rare disorders, and can improve the trea
...
Written By:
Carmen Leitch
JUL 30, 2023
Genetics & Genomics
It's estimated that as many as one-third of Americans suffer from chronic pain, and many medications that have been
...
Written By:
Carmen Leitch
JUL 23, 2023
Genetics & Genomics
A variety of factors can affect a person's weight, including personal habits like what they eat and how much activity th
...
Written By:
Carmen Leitch
JUL 17, 2023
Cancer
Dogs can develop various types of cancer, including melanomas, lymphomas, and sarcomas. In fact, canine cancer occ
...
Written By:
Katie Kokolus
JUL 13, 2023
Cancer
Obesity, a disease characterized by an unhealthy amount of body fat, can put individuals at an elevated risk of other di
...
Written By:
Katie Kokolus
JUL 10, 2023
Cell & Molecular Biology
A cell's identity is based on the genes it expresses, and scientists have been studying gene expression mechanisms f
...
Written By:
Carmen Leitch
JUL 05, 2023
Cell & Molecular Biology
Some transcription factors are known as master regulators, and they can have an impact on many different biochemical pat
...
Written By:
Carmen Leitch
JUL 03, 2023
Cancer
Stem cells are valuable to a wide range of biomedical and pharmaceutical research applications because of their high sel
...
JUN 30, 2023
Cell & Molecular Biology
The CRISPR gene editing system originated in bacteria, or prokaryotic cells. Now scientists have identified a similar sy
...
Written By:
Carmen Leitch