Mutation: Distinct strain that occurred through mutation; some are incorporated into similar - looking breeds (e.g. different Rex strains with
the same gene mutation).
Interestingly, according to Dr. Stern, this is
the same gene mutation that has been linked to the development of plaque - like lesions in the brains of Alzheimer's sufferers.
The scientists further discovered that the family members who experienced the symptoms all had
the same gene mutation on the ADGRE2 gene, which is present in mast cells.
It is based on the growing realization that many cancers share
the same gene mutations or pathways to grow.
Not exact matches
The other, a former White House aide to President Obama, tested positive for the BRCA2
gene mutation that has led to breast cancer in her family for generations — and is taking aggressive steps to avoid the
same fate.
Now, new research has found several rare genetic
mutations on the
same gene that definitively connect the two.
Because different
mutations in the
same gene caused the three behaviors, we concluded that per is somehow actively involved both in producing circadian rhythm in flies and in setting the rhythm's pace.
(Each of his parents, it turns out, carried a different recessive
mutation of the
same gene.
The researchers also worked backwards through genetic time to demonstrate that the prestin
gene evolved in echolocating bats and dolphins by the
same route, gradually picking up the
same mutations to get there.
Seventy - eight percent of the patients with rheumatoid arthritis were found to have a
mutation in the PTPN2 / 22
gene, the
same genetic
mutation found in Crohn's patients, and 40 percent of that number tested positive for MAP.
«
Gene mutations behind lack of a nose identified: Alterations in same gene previously associated with rare form of muscular dystrophy.&ra
Gene mutations behind lack of a nose identified: Alterations in
same gene previously associated with rare form of muscular dystrophy.&ra
gene previously associated with rare form of muscular dystrophy.»
Surprisingly,
mutations in the
same gene, SMCHD1, have previously been associated with a form of muscular dystrophy.
If the silencing occurred in a
gene responsible for suppressing tumor formation, the result would appear the
same as genetic
mutations that predispose people to cancer.
Duchenne typically occurs through one
mutation in a
gene called dystrophin, which makes a protein with the
same name.
It has multiple hosts and can evolve by
mutation but also reassortment (when two closely related strains infect the
same host and exchange
gene segments, producing new strains — a process distinct from
mutation, when the RNA of a virus is miscoded during replication).
Further research would look at whether
mutations of the
same gene in humans could contribute to depression.
Nine rare, disease - causing
mutations of the
gene, FBXL4, were found in nine affected children in seven families, including three siblings from the
same family.
The
gene - editing success appears to be largely due to one procedural change: The researchers introduced the editing system — the enzyme Cas9 and a guide RNA sequence that helps the editing machinery find its target — at the
same time they injected the
mutation - laden sperm into a healthy egg in the lab.
Researchers analyzed the genomes of 16 related orange and white tigers in captivity, fully mapping those of the three parent tigers to show that a
mutation in one pigment
gene called SLC45A2 is at play — the very
same gene that drives lighter coloring in people of European ancestry, chickens, and some mice.
The current JBMR study extended that research by using palovarotene in a mouse model carrying the
same human
gene mutation that causes FOP.
«We are not fixing the
gene; the
mutation is still there,» says Belmonte, «Instead, we are working on the epigenome and the mice recover the expression of other
genes in the
same pathway.
Although specific
gene mutations have been identified in humans that can cause CCMs to form, the size and number varies widely among patients with the
same mutations.
The Swiss researchers have demonstrated that, when EDA is malfunctioning in lizards, they fail to develop a proper scale placode, exactly as mammals or birds affected with similar
mutations in that
same gene can not develop proper hairs or feathers placodes.
In human achromatopsia, nearly 100 different
mutations have been identified in the CNGA3
gene, including the very
same one identified in the German shepherd in this study.
When the Penn team performed the
same genetic analysis, they found a different
mutation on the
same part of the
same gene where the shepherd's
mutation was found.
Tsigelny added: «The clinical treatments that do not take into consideration the specific
mutations in
genes, but rather treat all
mutations within a specific
gene such as EGFR as the
same, are a «hit - or - miss» game because they are based solely on observational data on how other patients previously have reacted to drug therapies.»
«In the end, it looks like you can shield
mutations with a single change elsewhere in the
same gene, creating a single champion.»
The researchers considered two possible explanations: Disease suppression might be the result of one or two additional substitutions on the
same gene that buffer the harmful effect of the
mutation; or suppression may be caused by numerous small substitutions throughout the genome that form an aggregate «shield.»
All of them still have
mutations in the
same gene, but
mutations occur in different parts of the
gene.
Do the
same genetic
mutations underlie the emergence of these traits in both the Asian and African domestication events, or did domestication result from different
mutations in the
same genes, or even from
mutations in different
genes?
Professor Peter Cockerill, of the University of Birmingham, explained: «We found that the mutated FLT3 protein always sends the
same signals to the
same set of
genes in all AML patients that have this
mutation.
Intriguingly, in two breeds it appeared that the
genes that accumulated the most
mutations were the
same in B - cell lymphomas, whilst for T - cell lymphomas it differed between
genes for two breeds.
She'd like to see more molecular evidence from white grapes worldwide, showing the
same mutation in the
same gene, before she's completely convinced.
About 1 in 25 people in white populations carry one normal copy of the
gene and one mutated copy, and 70 per cent of all CF carriers in the northern European group carry the
same single
mutation in the
gene.
Now, two studies pinpoint the location and identity of the
gene mutation — and reveal that the
same gene also controls the colorful patterns in some butterfly wings.
Different
mutations in the
same gene can make someone more likely to get the condition, or help protect them from ever developing it.
«This study gives a glimpse into the mechanism by which different
mutations within the
same gene can cause distinct defects in the brain, and may help to explain how they may contribute to different disorders,» says Guoping Feng, the James W. and Patricia Poitras Professor of Neuroscience at MIT, a member of MIT's McGovern Institute for Brain Research, a member of the Stanley Center for Psychiatric Research at the Broad Institute, and the senior author of the study.
All of the children were discovered to carry a
mutation in the CLP1
gene and displayed the
same symptoms, such as brain malformations, intellectual disabilities, seizures and sensory and motor defects.
In one location on the
gene, the
mutation protected against these symptoms, but in another location on the
same gene, the
mutation increased the risk of those symptoms.
He said that by collaborating with Indian scientists, «we discovered that the
same cadherin
gene is associated with the resistance in India, but the
mutations are different and much more numerous than the ones we found in lab - selected pink bollworm from Arizona.»
About the
same time, scientists at Cold Spring Harbor Laboratory in Long Island, N.Y., focusing on families with one autistic child, reported that an estimated 10 to 30 percent of all reported cases of autism may be caused by new (or spontaneous)
mutations in the number of copies of
genes in children (that were not found in either parent).
«If men had one of these
same mutations in this
gene, I think we could safely say that's the cause of their infertility,» Wang said.
Both teams found that
mutations to the
same gene can also cause a common type of dementia called frontotemporal dementia (FTD).
He and others have recently used
gene - editing tools to correct
mutations in human iPS cells but haven't used the
same combination of methods or done the
same set of experiments to determine whether the iPS - derived cells are safe.
Understanding why boys and girls with
mutations in the
same gene have different outcomes presents unprecedented opportunities to fix the problem.»
They found two more people with different
mutations in the
same gene and didn't see it in more than 1200 people without ALS.
Girls with a rare genetic disorder caused by
mutations in a
gene known as Nf1 are much more likely to lose their vision than boys with
mutations in the
same gene.
The scientists sifted through the collection looking for mutant flies with walking impairments and soon zeroed in on several impaired walkers that turned out to have
mutations in the
same gene.
For extended modules, many different combinations of perturbed
genes could incapacitate the module, as a result of which
mutations in different
genes will appear to lead to the
same phenotype (e.g., hypertrophic cardiomyopathy).
«We developed a network of collaborators in the United Kingdom, in several other European countries and in Australia to identify 30 other children with
mutations in the
same genes,» said Michaud.