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Catalogue of fungi in China 3. New taxa of macrofungi from southern Xizang, China. [PDF]
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Phycologia, 2021
Endogenously formed coralloid roots in living cycads are known to be infected and maintained by a mutual partnership with photosynthetic cyanobacteria. In this study, two strains of filamentous, nitrogen-fixing endosymbiotic cyanobacteria from the green ...
M. Pecundo +6 more
semanticscholar +2 more sources
Endogenously formed coralloid roots in living cycads are known to be infected and maintained by a mutual partnership with photosynthetic cyanobacteria. In this study, two strains of filamentous, nitrogen-fixing endosymbiotic cyanobacteria from the green ...
M. Pecundo +6 more
semanticscholar +2 more sources
Regeneration of coralloid roots on cycad megagametophytes
Plant Science Letters, 1980Abstract Megagametophytes of Cycas revoluta Thunb. incubated in White's Basal Medium regenerated coralloid roots only in the presence of 2,4-D and kinetin. No microorganism was detected in the cultures. These results suggest that coralloid roots are an inherent feature of the cycad root system and that their formation is not induced by any ...
P. Luca, S. Sabato
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Structure and physiology of Cycad coralloid roots
Giornale botanico italiano, 1993Abstract The gonidial zone organization of coralloid roots of Cycas revoluta is reported together with the taxonomy of cyanobiont, the physiology of the association and the significance of nitrogen fixation. Recent data on gonidial zone composition obtained by microelectrodes and immunogold labeling are referred in order to determine the mechanisms of ...
M. Caiola, A. Canini
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Characterization of a symbiotic, heterocystous, N2-fixing cyanobacterium fromCycas coralloid roots
World Journal of Microbiology & Biotechnology, 1992A symbiotic, heterocystous, N2-fixing blue-green alga, isolated from the coralloid roots of a xerophytic plant,Cycas revoluta, grew best in liquid medium supplemented with 4 mM NO 3 (-) . Morphologically, the isolated alga was identical to that of the natural endophyte but the cell size had decreased markedly. The alga was heterotrophic.
A. Sharma, D. P. Mishra, A. Kumar
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Akinete ultrastructure of Nostoc species isolated from cycad coralloid roots
Canadian Journal of Botany, 1980Nostoc strains isolated from different cycad coralloid roots were grown in culture until sporulation to study the structure and ultrastructure of akinetes. These cells have cell walls enclosed by two different envelopes produced by the vegetative cells during akinete differentiation, and cytoplasm containing thylakoids, cyanophycin granules ...
M. Caiola, L. Vecchi
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Australian Journal of Plant Physiology, 1976
'Coralloid' roots containing blue-green algae occur commonly on the upper root stocks of M. riedlei in natural habitat in Western Australia. Each coralloid mass persists for several seasons; replacement sets form at irregular intervals, especially after fire.
J. Halliday, J. Pate
semanticscholar +2 more sources
'Coralloid' roots containing blue-green algae occur commonly on the upper root stocks of M. riedlei in natural habitat in Western Australia. Each coralloid mass persists for several seasons; replacement sets form at irregular intervals, especially after fire.
J. Halliday, J. Pate
semanticscholar +2 more sources
Phycologia, 1975
Abstract Cyanophyceae living in the coralloid-roots of the cycad Encephalartos altensteinii cultivated in the Botanical Gardens of Naples (Italy) and grown in culture have been studied by light and electron microscopy. The cells of the coralloids do not appear to be invaded by bacteria and the Cyanophyceae are localized in the intercellular spaces ...
M. Caiola
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Abstract Cyanophyceae living in the coralloid-roots of the cycad Encephalartos altensteinii cultivated in the Botanical Gardens of Naples (Italy) and grown in culture have been studied by light and electron microscopy. The cells of the coralloids do not appear to be invaded by bacteria and the Cyanophyceae are localized in the intercellular spaces ...
M. Caiola
semanticscholar +2 more sources