Cyanobacteria in Symbiosis by Sven Janson (auth.), Amar N. Rai, Birgitta Bergman, Ulla

By Sven Janson (auth.), Amar N. Rai, Birgitta Bergman, Ulla Rasmussen (eds.)

Cyanobacterial symbioses aren't any longer considered as mere oddities yet as vital elements of the biosphere, happening either in terrestrial and aquatic habitats around the world. it truly is turning into obvious that they could input into symbiosis with a greater diversity of organisms than hitherto identified, and there are lots of extra nonetheless to be chanced on, quite in marine environments. The chapters disguise cyanobacterial symbioses with vegetation (algae, bryophytes, Azolla, cycads, Gunnera), cyanobacterial symbioses in marine environments, lichens, Nostoc-Geosiphon (a fungus heavily concerning arbuscular mycorrhiza fungi) symbiosis, and synthetic institutions of cyanobacteria with economically vital vegetation. moreover, cyanobiont variety, sensing-signalling, and evolutionary features of the symbiosis are handled. well known specialists actively all in favour of learn on cyanobacterial symbioses take care of ecological, physiological, biochemical, molecular, and utilized points of all recognized cyanobacterial symbioses.
This quantity on cyanobacteria in symbiosis enhances the 2 prior volumes on cyanobacteria released by way of Kluwer (Molecular Biology ofCyanobacteria, edited by way of D.A. Bryant and Ecology of Cyanobacteria, edited by way of B.A. Whitton and M. Potts). jointly, the 3 volumes give you the so much accomplished therapy of cyanobacterial literature as an entire. The e-book will function a beneficial reference paintings and textual content for educating and learn within the box of plant-microbe interactions and nitrogen fixation.

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24 KLUGE, MOLLENHAUER, WOLF AND SCHÜßLER number of thylakoids and carboxysomes. Also the structure of the heterocysts is identical with that of the free-living Nostoc. The Geosiphon bladder as a whole clearly shows structural polarity. The photosynthetically active endosymbionts are located mainly in the larger apical ¾ of the bladder, which are exposed to light, while the much smaller, opaque basal part represents the storage region of the bladder. The latter part is less vacuolated and contains many lipid droplets and glycogen granules.

However, these cyanobionts have not yet been studied in detail. Scytonema, Calothrix and Dichothrix have been reported from a number of cyanolichens. Scytonema is also an important host for cyanophilous fungi. The stigonematalean cyanobacteria include some lichen-forming strains, most of which seem to belong to the genus Stigonema. These cyanobacteria evolve loose cyanotrophic associations with many cyanotrophic lichens (Tschermak-Woess, 1988; Friedl and Büdel, 1996). g. , Chroococcidiopsis and Myxosarcina).

And Kape, R. (1992) Geosiphon pyriforme, an endosymbiotic consortium of a fungus and a cyanobacterium (Nostoc), fixes nitrogen, Bot. Acta 105, 343-344. , Mollenhauer, D. and Mollenhauer, R. (1994) Geosiphon pyriforme (Kützing) v. Wettstein, a promising system for studying endocyanoses, Progr. Bot. 55, 130-141. , Schnepf, E. and Schüßler, A. A. Schenk, R. W. E. Müller, and W. ), Eukaryotism and Symbiosis, Springer Verlag, Berlin Heidelberg New York, pp. 469-476. Knapp, E. (1933) Über Geosiphon Fr.

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