Results 81 to 90 of about 269 (124)

Diversity and specificity of molecular functions in cyanobacterial symbionts. [PDF]

Sci Rep
Cameron ES, Sanchez S, Goldman N, Blaxter ML, Finn RD.   +4 more
europepmc   +1 more source

<i>Metacampanella</i> gen. nov.: The <i>Campanella dendrophora</i> complex. [PDF]

Mycology
Petersen RH, Hughes KW.
europepmc   +1 more source

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Coralloid root regeneration on Macrozamia megagametophites

Giornale botanico italiano, 1980
Abstract Megagametophytes of Macrozamia communis were incubated in White's Basal Medium and in White's Basal Medium modified with 2,4-D and kinetin. On the medium enriched with growth substances, regeneration of coralloid roots was induced. These are morphologically identical to sporophytic coralloid roots, without any endosymbiont and displaying ...
Paolo De Luca, Sergio Sabato, Alberto Balduzzi, Roberto Nazzaro   +3 more
openaire   +1 more source

Regeneration of coralloid roots on cycad megagametophytes

Plant Science Letters, 1980
Abstract 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 ...
Paolo De Luca, Sergio Sabato
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Structure and physiology of Cycad coralloid roots

Giornale botanico italiano, 1993
Abstract 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 ...
Grilli Caiola, M, CANINI, ANTONELLA
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Characterization of a symbiotic, heterocystous, N2-fixing cyanobacterium fromCycas coralloid roots

World Journal of Microbiology & Biotechnology, 1992
A 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, 1980
Nostoc 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 ...
Maria Grilli Caiola, Luisa De Vecchi
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Polyphasic approach identifies two new species ofDesmonostoc(Nostocales, Cyanobacteria) in the coralloid roots ofCycas fairylakea(Cycadales)

Phycologia, 2021
Endogenously formed coralloid roots in living cycads are known to be infected and maintained by a mutual partnership with photosynthetic cyanobacteria.
Melissa H. Pecundo, Fangfang Cai, Aimee Caye G. Chang, Hai Ren, Nan Li, Renhui Li, Tao Chen   +6 more
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