Results 131 to 140 of about 391,433 (393)

Histological studies on somatic embryogenesis in rice (oryza sativa, l.) [PDF]

open access: diamond, 2021
hassan mesbah   +2 more
openalex   +1 more source

Somatic Embryogenesis in Coffee: The Evolution of Biotechnology and the Integration of Omics Technologies Offer Great Opportunities

open access: yesFrontiers in Plant Science, 2017
One of the most important crops cultivated around the world is coffee. There are two main cultivated species, Coffea arabica and C. canephora. Both species are difficult to improve through conventional breeding, taking at least 20 years to produce a new ...
N. Campos, B. Panis, S. Carpentier
semanticscholar   +1 more source

Why we age

open access: yesBiological Reviews, EarlyView.
ABSTRACT Three categories of explanations exist for why we age: mechanistic theories, which omit reference to evolutionary forces; weakening force of selection theories, which posit that barriers exist that prevent evolutionary forces from optimising fitness in ageing; and optimisation theories, which posit that evolutionary forces actually select for ...
Michael S. Ringel
wiley   +1 more source

Application of Somatic Embryogenesis in Woody Plants.

open access: yesFrontiers in Plant Science, 2016
Somatic embryogenesis is a developmental process where a plant somatic cell can dedifferentiate to a totipotent embryonic stem cell that has the ability to give rise to an embryo under appropriate conditions.
Yuan Guan   +3 more
semanticscholar   +1 more source

RORγt‐APCs: The New Masters of Oral Tolerance

open access: yesBarrier Immunity, EarlyView.
ABSTRACT Oral tolerance is defined by the hypo‐responsiveness of our body to fed antigens, and its failure can lead to immune‐mediated diseases, such as allergy, chronic inflammation and autoimmune diseases. Decades of research have demonstrated that antigen‐presenting cells (APCs) promote oral tolerance by inducing regulatory T cells (Tregs) and/or ...
Thierry Gauthier, WanJun Chen
wiley   +1 more source

PRC2 Represses Hormone-Induced Somatic Embryogenesis in Vegetative Tissue of Arabidopsis thaliana

open access: yesPLoS Genetics, 2017
Many plant cells can be reprogrammed into a pluripotent state that allows ectopic organ development. Inducing totipotent states to stimulate somatic embryo (SE) development is, however, challenging due to insufficient understanding of molecular barriers ...
I. Mozgová   +2 more
semanticscholar   +1 more source

Lineage labeling with zebrafish hand2 Cre and CreERT2 recombinase CRISPR knock‐ins

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background The ability to generate endogenous Cre recombinase drivers using CRISPR‐Cas9 knock‐in technology allows lineage tracing, cell type‐specific gene studies, and in vivo validation of inferred developmental trajectories from phenotypic and gene expression analyses. This report describes endogenous zebrafish hand2 Cre and CreERT2 drivers
Zhitao Ming   +14 more
wiley   +1 more source

Somatic embryogenesis of selected coniferous tree species of the genera Picea, Abies and Larix

open access: yesActa Societatis Botanicorum Poloniae, 2011
Experiments on somatic embryogenesis in selected spruce, fir and larch species were performed to determine if this method of micropropagation enables production of quality seedlings for forest nurseries.
Krystyna Bojarczuk   +2 more
doaj   +1 more source

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