Results 21 to 30 of about 25,066 (220)

The Nostoc–Gunnera symbiosis [PDF]

open access: yesNew Phytologist, 1992
summary Gunnera L. develops a complex and intimate symbiosis with N2‐fixing cyanobacteria of the genus Nostoc, which renders the plant independent of combined nitrogen. The Nostoc‐Gunnera symbiosis exhibits unique features compared to other cyanobacterial‐plant symbioses: it is for example the only one that involves a flowering plant (angiosperm), the ...
B, Bergman, C, Johansson, E, Söderbäck
openaire   +2 more sources

Two-step separation of nostotrebin 6 from cultivated soil cyanobacterium (Nostoc sp.) by high performance countercurrent chromatography [PDF]

open access: yes, 2014
High performance countercurrent chromatography (HPCCC) was successfully applied for the separation of nostotrebin 6 from cultivated soil cyanobacteria in a two-step operation.
Berthod   +13 more
core   +2 more sources

A combinatorial strategy of alternative promoter use during differentiation of a heterocystous cyanobacterium [PDF]

open access: yes, 2017
Heterocystous cyanobacteria such as Nostoc sp. are filamentous photosynthetic organisms that, in response to nitrogen deficiency, undergo a differentiation process transforming certain, semi-regularly spaced cells into heterocysts, devoted to nitrogen ...
Brenes Álvarez, Manuel   +2 more
core   +1 more source

Further characterization of glycine-containing microcystins from the McMurdo Dry Valleys of Antarctica [PDF]

open access: yes, 2015
Microcystins are hepatotoxic cyclic peptides produced by several cyanobacterial genera worldwide. In 2008, our research group identified eight new glycine-containing microcystin congeners in two hydro-terrestrial mat samples from the McMurdo Dry Valleys ...
Cary, S. Craig   +5 more
core   +3 more sources

The genome and transcriptome of Trichormus sp NMC-1: insights into adaptation to extreme environments on the Qinghai-Tibet Plateau [PDF]

open access: yes, 2016
The Qinghai-Tibet Plateau (QTP) has the highest biodiversity for an extreme environment worldwide, and provides an ideal natural laboratory to study adaptive evolution.
A Stamatakis   +53 more
core   +2 more sources

Directional RNA deep sequencing sheds new light on the transcriptional response of Anabaena sp strain PCC 7120 to combined-nitrogen deprivation [PDF]

open access: yes, 2011
Background: Cyanobacteria are potential sources of renewable chemicals and biofuels and serve as model organisms for bacterial photosynthesis, nitrogen fixation, and responses to environmental changes. Anabaena (Nostoc) sp.
Flaherty, Britt L   +3 more
core   +3 more sources

Distinctive characters of Nostoc genomes in cyanolichens

open access: yesBMC Genomics, 2018
Background Cyanobacteria of the genus Nostoc are capable of forming symbioses with a wide range of organism, including a diverse assemblage of cyanolichens.
Andrey N. Gagunashvili   +1 more
doaj   +1 more source

Biodiversity and distribution of cyanobacteria at Dronning Maud Land, East Antartica [PDF]

open access: yes, 2008
Biodiversity and distribution of cyanobacteria at Dronning Maud Land, East Antarctica.The current study describes the biodiversity and distribution of cyanobacteria from the natural habitats of Schirmacher land, East Antarctica surveyed during 23rd ...
Singh, Purnima   +2 more
core   +4 more sources

Effect of Cyanobacteria Isolates on Rice Seeds Germination in Saline Soil

open access: yesمجلة بغداد للعلوم, 2018
Cyanobacteria are prokaryotic photosynthetic communities which are used in biofertilization of many plants especially rice plant. Cyanobacteria play a vital role to increase the plant's ability for salinity tolerance.
Mostafa M. El -Sheekh   +3 more
doaj   +3 more sources

Nostoc thermotolerans sp. nov., a soil-dwelling species of Nostoc (Cyanobacteria)

open access: yesInternational Journal of Systematic and Evolutionary Microbiology, 2017
A filamentous, soil-dwelling cyanobacterial strain (9C-PST) was isolated from Mandsaur, Madhya Pradesh, India, and is described as a new species of the genus Nostoc. Extensive morphological and molecular characterization along with a thorough assessment of ecology was performed.
Suradkar, Archana   +7 more
openaire   +3 more sources

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