10 LIVRES EN ANGLAIS EN RAPPORT AVEC «HETEROCYST»
Découvrez l'usage de
heterocyst dans la sélection bibliographique suivante. Des livres en rapport avec
heterocyst et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Algae: An Introduction to Phycology
Another striking feature of the heterocyst is its thick wall, which is even thicker at
one or both ends of the cell, where it projects into the cell interior as a knob,
called the polar nodule (Fig. 2.5a, b, d). Terminal heterocysts, i.e. heterocysts
located ...
Christiaan Hoek, David Mann, H. M. Jahns, 1995
2
The Cyanobacteria: Molecular Biology, Genomics, and Evolution
Heterocyst metabolism and development. In The Molecular Biology of
Cyanobacteria, D.A. Bryant, ed. (Dordrecht, NL, Kluwer Academic Publishers), pp
. 769–823. Wolk, C.P., Zhu, J., and Kong, R. (1999). Genetic analysis of
heterocyst ...
3
Biological Nitrogen Fixation, Sustainable Agriculture and ...
In this communication, we provide evidence that calcium, a key messenger in
eukaryotic cell signal transduction, is involved in heterocyst formation. 1. hetR
gene and its function Identification of the hetR gene was first reported by
Buikema and ...
4
Biology of the Prokaryotes
The innermost laminated glycolipid layer (L) is followed by an intermediary
homogenous layer and an outermost fibrous polysaccharide layer (H). The
giycolipid and the polysaccharide layers of the heterocyst envelope are barriers
for diffusion ...
J. Lengeler, G. Drews, H. Schlegel, 2009
5
Competition Science Vision
A. Gloeotrichia, akinete next to a basal heterocyst; B. Anabaena
desikacharyiensis, series of akinetes next to an intercalary heterocyst. Note also
two terminal heterocysts; C. Anabaena desikacharyiensis, an akinete away from
the heterocyst.
6
Molecular Basis of Symbiosis
4.2 Substage 5. Heterocyst Differentiation and Behavior Physiologically,
heterocysts are microoxic, heterotrophic, Ni-fixing cells whose differentiation from
oxygenic photoautotrophic vegetative cells involves a hypothetically large, but
unknown ...
7
The Prokaryotes: Vol. 1: Symbiotic Associations, ...
Since the vegetative generation time under these conditions is also about 24
hours, heterocyst differentiation can be thought of as growing a new cell with a
different wall and a somewhat different set of enzymes. The RNA hybridization
data ...
Martin Dworkin, Stanley Falkow, 2006
8
Genomes and Genomics of Nitrogen-fixing Organisms
37-fold higher than that required to repress heterocyst differentiation in free-living
populations (Meeks, 2003). Nevertheless, vegetative cells continue to
differentiate into heterocysts. A N.N punctiforme mutant, which is defective in
nitrate ...
Rafael Palacios, William Edward Newton, 2006
9
The Freshwater Algal Flora of the British Isles: An ...
The heterocyst is usually easy to distinguish (see introductory notes on
morphology). Species all possess the ability to form motile trichomes, most of
which are distinctive enough to be termed hormo- gonia, which lack heterocysts,
but these ...
David M. John, Brian A. Whitton, Alan J. Brook, 2002
It also explains the polarity of the filament of Gloetrichia in which akinete occurs
next to the terminal heterocyst with a zone of actively dividing cells next, grading
into narrow inactive hair cells. If an ammonium salt is added to the medium, ...
3 ACTUALITÉS CONTENANT LE TERME «HETEROCYST»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
heterocyst est employé dans le contexte des actualités suivantes.
Climate history extracted from ancient bacteria
He says molecules in a cyanobacterial cell compartment called a heterocyst, which is used to fix nitrogen from air, reflected the different growth ... «Science Network Western Australia, mars 14»
Bacteria with bodies - multicellular prokaryotes
The differentiated cell is called a heterocyst. It has a thicker cell wall to stop oxygen diffusing into the cell, and all cellular processes that might ... «Scientific American, nov 11»
A Case For BioHydrogen
Other cyanobacteria, like filamentous Nostoc punctiforme, form a specialized cell type for nitrogen fixation, called a heterocyst. Heterocysts ... «Science 2.0, août 11»
