Not exact matches
While Beyond Meat is making its products out
of plants, Memphis Meats grows meat in tanks by feeding oxygen, sugar, and other nutrients to
living animal cells.
We do this by growing healthy marine -
animal cells on their own, instead
of live fish.
What guides the process in all
living things is DNA, which regulates every
cell of every plant and
animal.
To the contrary, it is more fantastic than we can imagine — hundreds
of billions (trillions)
of galaxies with hundreds
of billions (trillions)
of stars, nearly all
of which have planets, some right for
life; planets so hot that they rain glass; stars made
of diamonds; the lineage
of animals from singled
celled organisms to the incredible variety that exists today with their unique adaptations.
«In its 4.6 billion years circling the sun, the Earth has harbored an increasing diversity
of life forms: for the last 3.6 billion years, simple
cells (prokaryotes); for the last 3.4 billion years, cyanobacteria performing ph - otosynthesis; for the last 2 billion years, complex
cells (eukaryotes); for the last 1 billion years, multicellular
life; for the last 600 million years, simple
animals; for the last 550 million years, bilaterians,
animals with a front and a back; for the last 500 million years, fish and proto - amphibians; for the last 475 million years, land plants; for the last 400 million years, insects and seeds; for the last 360 million years, amphibians; for the last 300 million years, reptiles; for the last 200 million years, mammals; for the last 150 million years, birds; for the last 130 million years, flowers; for the last 60 million years, the primates, for the last 20 million years, the family H - ominidae (great apes); for the last 2.5 million years, the genus H - omo (human predecessors); for the last 200,000 years, anatomically modern humans.»
Thus, the transition from instinct to reason results in the radical transformation
of the
animal into man; matter as it evolves toward the
cell becomes radically transformed into
living matter; and vegetative
life becomes qualitatively changed into conscious
life.
A thin layer
of living cells spread out in two dimensions over the globe could accomplish little; but concentrated in three - dimensional forms,
cells constitute the vast and varied world
of plant and
animal life.
The heuristic field is narrowed down; and a return is then seldom made to the question
of what
life is as we spontaneously recognize it in the achievements
of animals and
cells.
Evidence
of the fact that union differentiates is to be seen all round us — in the bodies
of all higher forms
of life, in which the
cells become almost infinitely complicated according to the variety
of tasks they have to perform; in
animal associations, where the individual «polymerises» itself, one might say, according to the function it is called upon to fulfil; in human societies, where the growth
of specialization becomes ever more intense; and in the field
of personal relationships, where friends and lovers can only discover all that is in their minds and hearts by communicating them to one another.
This depends upon there being a brain, an arrangement
of cells in a particular part
of the body which by reason
of its peculiar coordination makes the given routing able to «know» in a distinctively human manner — quite different from, although certainly continuous with, the sort
of «knowing» that is possible for the higher grades
of animal life.
(1) human
life (2)
animal life (3) vegetable
life (4) single
living cells (5) large scale inorganic aggregates
of occasions (6) energy - events disclosed by modern physics
(Cf. the phenomenon
of the «runners» at first connected with the mother plant and then separated from it; the fluid transition between various plants and
animals which appear to be one; the germ -
cell inside and outside the parent organism, etc.)
Living forms which present what are apparently very great differences in space and time can ontologically have the same morphological principle, so that enormous differences
of external form can derive from the material substratum and chance patterns
of circumstance without change
of substantial form (caterpillar - chrysalis butterfly).
Heretofore, this earth has witnessed the emergence
of single -
celled living organisms, the growth
of multicelled plant organisms, the advent
of animals with centralized nervous systems making self - directed activity possible, and the flowering
of humanity with its far - flung culture.
This spontaneity may be minimal for protons and electrons, but in the course
of the evolutionary advance, sustained until now, it has manifested itself in ever richer forms as the vitality
of living cells, the conscious activity
of the higher
animals, and the self - conscious freedom
of man.
Then he contends that the
living occasions
of a
cell «in abstraction from the inorganic occasions
of the
animal body» do not «form a corpuscular sub-society, so that each
living occasion is a member
of an enduring entity with its personal order» (PR 158).
The objects
of his study range from a class
of molecules that have the basic self - duplicating property
of living things, through
cells which suggest purely physical systems, through
animals which give increasing evidence
of having minds, to human beings in whom streams
of consciousness seem to involve continual choices
of action, at the opposite pole from control by impersonal laws
of nature.
Higher
animals all seem to contain at least one such society, called a «
living person,» present in the body in addition to the
cells and molecules
of the central nervous system, even though dependent upon them.
Gradually organic chemicals were synthesized and eventually self - replicating complex molecules evolved, enabling the evolution
of living cells, leading to multi - cellular organisms, plants and
animals.
Living right on an oxygen source, with each
cell of kelp exhaling oxygen ready for the
animal's respiratory needs, is also a bonus.
This ancient theory, recounted by Pliny the Elder, is one
of the many bizarre early attempts to explain one
of life's greatest mysteries — how a nearly uniform egg
cell develops into an
animal with dozens
of types
of cells, each in its proper place.
«These predictive algorithms seem to do a good job when CRISPR is performed in
cells or tissues in a dish, but whole genome sequencing has not been employed to look for all off - target effects in
living animals,» says co-author Alexander Bassuk, MD, PhD, professor
of pediatrics at the University
of Iowa.
After billions
of years, during which
life consisted almost entirely
of single -
celled organisms,
animals evolved.
A class
of small molecules found in grapes, red wine, olive oil, and other foods extends the
life of yeast
cells by approximately 70 % and activates genes known to extend
life span in laboratory
animals.
In a 1967 paper published in the Journal
of Theoretical Biology, Margulis suggested that mitochondria and plastids — vital structures within
animal and plant
cells — evolved from bacteria hundreds
of million
of years ago, after bacterial
cells started to collect in interactive communities and
live symbiotically with one another.
To find clues, she has trained her sights on choanoflagellates — a group
of single -
celled eukaryotes thought to be the closest
living relatives
of animals.
This year those breakthroughs include tools for reprogramming
living cells and rendering lab
animals transparent; ways
of powering electronics with sound waves and saliva; smartphone screens that correct for the flaws in your vision; Lego - like atomic structures that could produce major advances in superconductivity research; and others.
One would culture thin sheets
of meat, seeded by
cells from a
living animal, on a reusable polymer scaffold; the other would grow meat on small edible beads that stretch with changes in temperature.
This unique organization
of tubulin is preserved among all
living plant and
animal cells, because it is essential for way in which microtubules assemble, Al - Bassam said.
«Why is the division
of egg
cells — which is so important at the start
of animal life — why is that not very reliable?»
Last spring the team reported that their fibers induced the formation
of new blood vessels in both
cell cultures and
living animals.
Direct recordings from the neurons
of live mice showed the same pattern:
Animals that had gone through a stressful procedure had more bursting
cells in the lateral habenula.
Other techniques exist for remotely controlling the activity
of cells or the expression
of genes in
living animals.
Biologists, physicists, mathematicians, and computer scientists have begun cooperating on a sophisticated «systems biology» aimed at understanding how the countless molecular interactions at the heart
of life fit together in the workings
of cells, organs, and whole
animals.
To the surprise
of scientists, bacteria can act as an aphrodisiac for one -
celled marine organisms notable for being the closest
living relative
of all
animals.
To better determine the role
of specific chemoattractants in type III hypersensitivity, lead author Yoshishige Miyabe, MD, PhD, a research fellow in Luster's lab, used multiphoton intravital microscopy — an imaging technology pioneered for studies
of immune
cell movements in
living animals by CIID investigator and co-author Thorsten Mempel, MD, PhD — to follow in real time the development
of IC - induced arthritis in a mouse model
of rheumatoid arthritis.
Using a novel approach for imaging the movement
of immune
cells in
living animals, researchers from the Massachusetts General Hospital (MGH) Center for Immunology and Inflammatory Diseases (CIID) have identified what appear to be the initial steps leading to joint inflammation in a model
of inflammatory arthritis.
Complex phenomena — which we have so far only been able to study in
live animals - can now be investigated in simple laboratory experiments using cultivated
cells,» says postdoc Hans Christian Cederberg Helms from the Department
of Pharmacy.
It took hundreds
of millions
of years on Earth for
life to evolve from single -
celled animals up to multicellular
animals to intelligent beings.
«This landmark study draws the conclusion in pre-clinical
animal studies that stem
cell therapy for disc degenerative disease might be a potentially effective treatment for the very common condition that affects people's quality
of life and productivity,» said the senior author, Wenchun Qu, MD, PhD,
of the Mayo Clinic in Rochester, Minn..
Using a nuclear protein expressed in follicle stem
cells (FSCs), the researchers found that castor, which plays an important role in specifying which types
of brain
cells are produced during embryonic development, also helps maintain FSCs throughout the
life of the
animal.
The team hopes to apply this method to the nerve
cells, bone marrow, and brain tissue
of living animals and humans.
Billions
of microbial
cells live in the guts
of humans and other
animals.
Researchers at Boston Children's Hospital have, for the first time, visualized the origins
of cancer from the first affected
cell and watched its spread in a
live animal.
The use
of cell surface markers to isolate specific
cell populations is one common method for separating
cells; however, isolating
live cells based on their RNA expression is a powerful new way enabling the study
of small
cell niches in nongenetically modified
animal models and human tissue.
The human kidney
cell involved survived the experience, and though we are a long way from the laser eyes
of Cyclops from the X-Men franchise, the achievement suggests that «
living lasers» might be created inside
live animals.
The first
animals evolved from their single -
celled ancestors around 800 million years ago, but new evidence suggests that this leap to multi-
celled organisms in the tree
of life may not have been quite as dramatic as scientists once assumed.
Some
of the colors
of both species come from symbiotic algae that
live inside the coral
animal's
cells.
The authors
of this study combined
live cell imaging with electron microscopy to observe Trichoplax feeding behavior at scales ranging from the whole
animal to subcellular.
«This may be the primordial gene that regulates nutrient sensing and helps an
animal overcome stressful conditions — and helps an
animal live a long time through dietary - restriction conditions,» says the study's senior author, Andrew Dillin, an associate professor
of molecular and
cell biology at the Salk Institute in La Jolla, Calif..
«A stem
cell's job is twofold: to replace or recreate mature cells that are lost over time, both through normal aging and after injury, and to replace themselves so that the process can continue over the life of the animal,» said senior author John Ngai, the Coates Family Professor of Neuroscience and a member of UC Berkeley's Helen Wills Neuroscience Institute and the Berkeley Stem Cell Cen
cell's job is twofold: to replace or recreate mature
cells that are lost over time, both through normal aging and after injury, and to replace themselves so that the process can continue over the
life of the
animal,» said senior author John Ngai, the Coates Family Professor
of Neuroscience and a member
of UC Berkeley's Helen Wills Neuroscience Institute and the Berkeley Stem
Cell Cen
Cell Center.