Myc is a critical gene in governing cell proliferation and survival, activities that it carries out by regulating the expression
of other genes involved in cell metabolism.
Not exact matches
Even with the phenotype, perhaps there is a «trade off
involved» in that the same underlying genetic sub-scripts serve
other purposes, or perhaps the sheer numbers
of gene - hormonal permutations mean it will always manifest itself due to pure statistics.
The DNA segments that carry genetic information are called
genes, but
other DNA sequences have structural purposes, or are
involved in regulating the expression
of genetic information.
«We've known
other people who have looked at
genes involved in brain size evolution, tested them out and done the same kinds
of experiments we've done and come up dry.»
The
gene makes a protein that controls the quantities
of other proteins a cell produces, and studies in roundworms suggest that the
gene is
involved in growth and development throughout life.
The study also found that some
of the morphing
genes in the python's intestine, notably those in a signaling pathway called WNT, were
genes that were
involved in intestinal and
other cancers.
They add that
other genes in the region
of the genome around Gp - 9 are probably
involved in regulating fire ant social organization as well.
Toshihiro Sassa and Takashi Murayama, the first and second authors
of the paper, respectively, say, «we would like to identify the
other genes involved in downstream signaling from this calcium channel to understand how the signal leads to aversion to high pH.» Sensing alkaline environments is only the first step; the worm must then quickly react to the stimulus by moving away.
«By greatly narrowing the specific
genes involved in social disorders, our findings will help uncover targets for treatment and provide measures by which these and
other treatments are successful in alleviating the desperation
of autism, anxiety and
other disorders,» says Korenberg.
This study showed the two subtypes have different genetic origins and
involve a dramatically different number
of chromosomal rearrangements, mutations and
other gene variations.
Many
of the additional 38 missing
genes looked like they coded for proteins
involved in controlling the activity
of other genes.
But
other genes were probably also
involved, because hominid brain expansion took place in multiple stages over 2 million years, says Ajit Varki, a molecular biologist at the University
of California, San Diego.
Studies seeking subtle signs
of selection in the DNA
of humans and
other primates have identified dozens
of genes, in particular those
involved in host - pathogen interactions, reproduction, sensory systems such as olfaction and taste, and more.
Gene mutations
involved in enamel mineralization through the CRAC channels were first seen in people with a type
of severe combined immunodeficiency, a disorder in which — among
other symptoms — tooth enamel may fall off the teeth within five or six years after birth, and the dentine becomes exposed.
Others are
involved in conditions that tend to occur alongside ASD, such as psychiatric disorders and epilepsy, and interestingly, some
of the
genes are also
involved in cancer.
The authors conclude that the study
of marine mammals is just the first demonstration
of this new evolutionary approach, and is versatile enough to be applied to many
other emerging questions concerning key
genes involved in the diversity
of life.
The study
involved extracting Ribonucleic acid or RNA — found in the cells
of all living organisms — to develop a transcriptome — the
gene readouts in a cell — to examine what occurs during the different developmental stages
of the cockroach pregnancy and to explore if those changes hold wider applications for
other mammals.
Some
of the
genes involved help regulate the flow
of ions in and out
of the cells, particularly nerve cells;
others code for so - called heat shock proteins that are typically induced during stress.
He's eager to know whether this same set
of genes is
involved in social responsiveness
of other animals.
«
Genes code for the sequence of amino acids in proteins, and some are involved in the regulation of the expression of other genes,» he
Genes code for the sequence
of amino acids in proteins, and some are
involved in the regulation
of the expression
of other genes,» he
genes,» he says.
The research suggests that reducing production
of the protein, called myoferlin, affects cancer cells in two primary ways: by changing the activation
of many
genes involved in metastasis in favor
of normal cell behavior, and by altering mechanical properties
of cancer cells — including their shape and ability to invade — so they are more likely to remain nested together rather than breaking away to travel to
other tissues.
Gene drive is so different from
other technologies
involving genetic modification that it requires a whole new way
of thinking about how to evaluate and regulate it, says Jennifer Kuzma, a natural and social scientist at North Carolina State University (NCSU) in Raleigh who helped organize a February workshop there.
Seemingly unambiguous genetic goals — like trying to make people more intelligent — not only
involve millions
of genes, raising the specter
of easy error, but might
involve conditional relationships: For instance, our intelligence might be tied to memory in ways we can't yet decode, so trying to improve one ability might inadvertently impede the
other.
But as you said, as an individual eats a high - fat diet or is exposed to
other types
of environmental exposures, the ability
of the liver to adapt
involves turning on and turning off certain liver
genes to control the liver's activity, and that's mediated through these epigenetic mechanisms that modify the activity
of established liver
genes.
Glk1 is a transcription factor, meaning it binds to specific regions
of DNA and activates
genes involved in cell death and
other plant immune responses.
The researchers note that while some
genes involved in obesity could already have been implicated in
other aspects
of human health,
others could be part
of pathways that are not yet understood.
FosB is a transcription factor in the brain which, together with
other molecules, is
involved in so - called signal transduction (transmission
of stimuli to the cells), that is to say conveys genetic information between the cells and also determines whether certain
genes are activated or not.
If the
genes related to color and the
genes involved in this aspect
of vision sit near each
other on the genome, they are more likely to be inherited together.
When he failed, he devoted his attention to
other genes involved in the development
of C. elegans.
Basically, the
gene makes a molecule
involved in preparing
other genes for expression, helping to distinguish between regions
of genes that should be manufactured and those that are silent genetic filler.
Some
of the pinpointed
genes are known to be
involved in the function
of synapses, tiny connectors that allow brain cells to communicate with each
other through electrical and chemical signals.
A new study
involving roundworms appears to have isolated one
gene — a transcriptional factor (or
gene that controls the regulation
of other genes in the genome)-- that appears to be an essential member
of the pathway that translates reduced caloric intake into a longer life span.
The researchers discovered that changes in
genes involved in the interbrain (the site
of the pineal gland and
other endocrine glands), for color vision, hormones and the colorful dewlap that males bob to attract females, may contribute to the formation
of boundaries between species.
For his part, Lippman is planning to use mutations in HPAT
genes to understand some
of the
other processes that they're
involved in.
Loss
of the PBRM1
gene function caused the cancer cells to have increased expression
of other genes, including
gene pathway known as IL6 / JAK - STAT 3, which are
involved in immune system stimulation.
Two
of these sites fall within
genes: one plays a role in the immune system, and the
other is
involved in metabolism.
«The old textbook description says that once maleness is determined by a few Y chromosome
genes and you have gonads, all
other sex differences stem from there,» says geneticist Andrew Clark
of Cornell University, who was not
involved in either study.
Other characteristic patterns
of variants included
genes involved in immune system activity and the fat content
of breast milk.
Among the
other genes she says play a role in thoroughbred performance are peroxisome proliferator - activated receptor - γ coactivator - 1 alpha (PGC - 1α), which is
involved in skeletal muscle adaptation to exercise; pyruvate dehydrogenase kinase, isozyme 4 (PDK4),
involved in glucose regulation, expression
of which increased almost fourfold after sprints; and cytochrome c oxidase subunit 4 isoform 2 (COX 4I2),
involved in respiration.
A new genetic analysis reveals that our brawny cousins had a number
of distinct
genes involved in the buildup
of certain types
of fat in their brains and
other tissues — a trait shared by today's Europeans, but not Asians.
This
gene, along with a number
of other genes encoding proteins
involved in nickel homeostasis, has been acquired a long time ago by the bacterium via horizontal
gene transfer.
The
other gene codes for an opioid receptor, which, among
other things, is
involved in appetite, the team reports in the May issue
of Molecular Psychiatry.
Dudley's team found that HAR - associated schizophrenia
genes are found in regions
of the genome that influence
other genes expressed in the prefrontal cortex, a brain region just behind the forehead that is
involved in higher - order thinking.
However, because the MHC variants account for less than half the genetic risk
of contracting the disease,
other genes had to be
involved.
Whilst such studies provide a reservoir
of genes involved in bacterial recognition and degradation in vitro the situation in vivo where hemocytes can interact with
other immune cells to optimize immune responses is likely to be more complex.
The dynamics
of nucleosome formation and positioning in promoters may, for example, help to understand why some
genes are highly expressed, such as those
involved in normal or malignant growth, while
others, such as stress - induced
genes, are only rarely expressed under normal conditions.
Other medical sequencing projects will use DNA sequencing to: discover new
genes that are
involved in common diseases; identify the
genes responsible for dozens
of relatively rare, single -
gene (autosomal Mendelian) diseases; sequence all
of the
genes on the X chromosome from affected individuals to identify those
involved in sex - linked diseases; and survey the range
of variants in
genes known to contribute to certain common diseases.
In their comprehensive study, which
involved a search
of gene activity maps as well as testing
of human brain tissue, the researchers identified more than 100 enhancers which were much more active in the brain than in
other tissues.
Contact: 508-685-3525;
[email protected] Woods Hole, Mass. — Many
of the
genes involved in natural repair
of the injured spinal cord
of the lamprey are also active in the repair
of the peripheral nervous system in mammals, according to a study by a collaborative group
of scientists at the Marine Biological Laboratory (MBL) and
other institutions.
NF - κB is transcription factor that, among
other functions, turns on
genes involved in inflammation and immune response, and can be activated in the presence
of pro-inflammatory cytokines.