KSIĄŻKI POWIĄZANE ZE SŁOWEM «TOTIPOTENCY»
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1
Molecular Genetics of Plant Development
Regeneration and Totipotency Plants, but not most animals, have the remarkable
capacity to regenerate from vegetative parts. Many terminally differentiated plant
organs, tissues, and cells retain their capacity to regenerate. For example, a ...
Stephen Herbert Howell, 1998
2
Embryogenesis in Angiosperms: A Developmental and ...
Totipotency and somatic embryogenesis The discovery of somatic
embryogenesis is ineluctably tied to the demonstration of totipotency of plant
cells. As generally applied to biological systems, a cell is defined as totipotent if it
can regenerate ...
Valayamghat Raghavan, 1986
3
Genetics: Classical to Modern
Cellular totipotency: Diagrammatic representation of cellular totipotency in carrot
as demonstrated by Steward (1963). Fig. 1 A-B. Cell types: A. Prokaryotic cell, B.
Eukaryotic. (3) Since the external environment acts directly, the organism may ...
4
Cell and Molecular Biology of the Testis
Rather, it may be that genes that are not required for the differentiation of a
particular cell type become irreversibly repressed in that cell type, thus
eliminating genetic totipotency. The experiments of Gurdon (1962) and others
demonstrated that ...
Claude Desjardins, Larry L. Ewing, 1993
5
Plants in Action: Adaptation in Nature, Performance in ...
This phenomenon is fotipotciiiy, an amazing developmental plasticity that sets
plant cells apart from most of their animal counterparts, and was first
demonstrated by Steward and Reinert in the l9.->()s. Often totipotency is revealed
when cells or ...
Brian James Atwell, Paul E. Kriedemann, Colin G. N. Turnbull, 1999
6
Morphogenesis in Plant Tissue Cultures
This cell doctrine coupled with the fact that all cells, except gametes, in a
multicellular organism possess an identical genetic blueprint as the fertilized egg
from which they originated, have led to the formulation of the concept of
totipotency.
Woong-Young Soh, Sant Saran Bhojwani, 1999
7
Transgenic Plants and Crops
The capability of cultured cells or protoplasts to proliferate and organize into
tissues and eventually develop into a whole plant is termed totipotency. The term
competence refers to the capability of a cell or cell clusters to respond to an ...
George C. Khachatourians, Y. H. Hui, Ralph Scorza, 2002
8
The Human Embryonic Stem Cell Debate: Science, Ethics, and ...
The scientific distinction between totipotency and pluripotency carries ethical
weight: if cells are totipotent they have dignity and may not be destroyed; if they
are merely pluripotent they do not have the same dignity and can be destroyed.
Suzanne Holland, Karen Lebacqz, Laurie Zoloth, 2001
In fact, with subtle linguistic retouching — it is unfortunately used also by Catholic
experts — even the cells of embryos have acquired — only literally — the same
and identical totipotency of the entire zygote (see next note below). So, we have:
...
10
Plant Tissue Culture: Theory and Practice: Theory and Practice
This is a serious limitation in the application of cellular totipotency for commercial
propagation of plants. The complex multicellular explants used to initiate cultures
are highly heterogeneous with regard to the morphogenic potential of their ...
S.S. Bhojwani, M.K. Razdan, 1996
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «TOTIPOTENCY»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
totipotency w wiadomościach.
General Science Bullet - Biotechnology - Capsule 4
Stem Cell research: Stem cells are undifferentiated cells with the potency to divide and take form of almost any other cell (phenomenon termed as totipotency). «PaGaLGuY, Lip 15»
African Free Minds Converted to Enslaved Minds
Totipotency implies that, once having regressed into intense and elemental responses within oneself, one is completely susceptible to being molded in character ... «Black Voice News, Lut 15»
Mystery Lingers Over STAP “Acid Bath” Stem Cells
... the creation of extraordinary stem cells (STAP or “stimulus triggered acquisition of totipotency” cells) from ordinary mature cells by stressing them with acid. «Bioscience Technology, Sty 15»
Plants not like us in making offspring
If human cells exhibited totipotency, it would mean that I could cut off a fingertip, provide it with the right conditions, and it would grow into a whole new me. «Tribune-Review, Wrz 14»
Lost in translation? Not when it comes to control of gene expression …
Induction of totipotency (as well as the pluripotency characteristic of embryonic stem cells) requires dramatic changes in gene expression. To date, investigations ... «Phys.Org, Maj 14»
Are young sperms really sperms?
You know that in your first hours of life, cells in the nascent embryo mature into skin, heart, gut, or any type of cell – called totipotency. New research shows that ... «TheHealthSite, Maj 14»
Stunning Adult Stem Cell Developments Evoke Hope, Caution
The reprogrammed cells showed “totipotency,” or the ability to turn into embryonic and placental tissue, but did not on their own have the ability to be grown for ... «Aleteia, Lut 14»
A Bit of Stress Yields Stem-Cell Surprise
"To my mind that makes them totipotent," said Dr. Vacanti, whose research over the past 15 years laid the groundwork for the latest findings. Totipotency is the ... «Wall Street Journal, Sty 14»
How the Mosses That Got Run Over By a Glacier Survived Their …
Botanists call this ability "totipotency", and while mosses and their friends have it, most "higher" plants do not. So it's not necessary for moss spores to survive a ... «Scientific American, Lis 13»
Biologists Revive 400-Year-Old Plants
Regeneration of Little Ice Age bryophytes emerging from a polar glacier with implications of totipotency in extreme environments. PNAS, published online before ... «Sci-News.com, Maj 13»
