Protoplast Formation from Schizophyllum commune by a Culture Filtrate of Bacillus circulans KA-304 Grown on a Cell-wall Preparation of S. commune as a Carbon Source

1997 ◽  
Vol 61 (5) ◽  
pp. 852-857 ◽  
Author(s):  
Katsushige Mizunq ◽  
Osamu Kimura ◽  
Takashi Tachik

1977 ◽  
Vol 102 (2) ◽  
pp. 385-389 ◽  
Author(s):  
J. H. SIETSMA ◽  
D. RAST ◽  
J. G. H. WESSELS


2007 ◽  
Vol 78 (1) ◽  
pp. 92-97 ◽  
Author(s):  
Yuri SAKAI ◽  
Takamitsu TSUKAHARA ◽  
Noritaka MATSUBARA ◽  
Kazunari USHIDA


Molecules ◽  
2020 ◽  
Vol 25 (21) ◽  
pp. 5068
Author(s):  
Maria G. Savvidou ◽  
Angelo Ferraro ◽  
Evangelos Hristoforou ◽  
Diomi Mamma ◽  
Dimitris Kekos ◽  
...  

Intensive research on the use of magnetic nanoparticles for biotechnological applications of microalgae biomass guided the development of proper treatment to successfully incorporate them into these single-cell microorganisms. Protoplasts, as cells lacking a cell wall, are extensively used in plant/microalgae genetic manipulation as well as various biotechnological applications. In this work, a detailed study on the formation of protoplasts from Haematococcus pluvialis with the use of enzymatic and mechanical procedures was performed. The optimization of several parameters affecting the formation of protoplasmic cells and cell recovery was investigated. In the enzymatic treatment, a solution of cellulase was studied at different time points of incubation, whereas in the mechanical treatment, glass beads vortexing was used. Mechanical treatment gave better results in comparison to the enzymatic one. Concerning the cell recovery, after the protoplast formation, it was found to be similar in both methods used; cell viability was not investigated. To enhance the protoplast cell wall reconstruction, different “recovery media” with an organic source of carbon or nitrogen were used. Cell morphology during all treatments was evaluated by electron microscopy. The optimal conditions found for protoplast formation and cell reconstruction were successfully used to produce Haematococcus pluvialis cells with magnetic properties.



1995 ◽  
Vol 18 (1) ◽  
pp. 148-153 ◽  
Author(s):  
Kazunori SEKINE ◽  
Jun OHTA ◽  
Masatoshi ONISHI ◽  
Taro TATSUKI ◽  
Yukiko SHIMOKAWA ◽  
...  


1991 ◽  
Vol 10 (1) ◽  
pp. 43-52 ◽  
Author(s):  
Shigeo TSUYUKI ◽  
Shoji YAMAZAKI ◽  
Hideyasu AKASHIBA ◽  
Hiroshi KAMIMURA ◽  
Kazunori SEKINE ◽  
...  


1967 ◽  
Vol 13 (12) ◽  
pp. 1663-1670 ◽  
Author(s):  
Ronald W. Wilson ◽  
Donald J. Niederpruem

The mycelial growth of Schizophyllum commune on cellobiose, as sole carbon source, produced colonies that were quite dense and restricted in diameter. The hyphae were composed of shorter, more highly branched cells when grown on this disaccharide. Cellobiose brought about an increase in the ratio of an alkali-soluble cell-wall fraction (S-glucan) to an alkali-insoluble cell-wall fraction (R-glucan). This change might be explained by increased activity of enzymes which hydrolyze the R-glucan component following growth in cellobiose. Thus, a system is described which attempts to relate wall-softening enzymes to morphology.



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