Small Circular Plasmids of the Eukaryote Dictyostelium purpureum Define Two Novel Plasmid Families

Plasmid ◽  
1993 ◽  
Vol 30 (2) ◽  
pp. 106-118 ◽  
Author(s):  
Hidenori Kiyosawa ◽  
Joanne E. Hughes ◽  
Gregory J. Podgorski ◽  
Dennis L. Welker
Keyword(s):  
Dictyostelium Purpureum

scholarly journals Dictyostelium purpureum var. pseudosessile, a new variant of dictyostelid from tropical China

2019 ◽  
Vol 19 (1) ◽  
Author(s):  
Pu Liu ◽  
Yue Zou ◽  
Jiangan Hou ◽  
Steven L. Stephenson ◽  
Yu Li
Keyword(s):  
New Variant ◽  
Dictyostelium Purpureum ◽  
Tropical China

scholarly journals Comparative genomics of the social amoebae Dictyostelium discoideum and Dictyostelium purpureum

2011 ◽  
Vol 12 (2) ◽  
pp. R20 ◽  
Author(s):  
Richard Sucgang ◽  
Alan Kuo ◽  
Xiangjun Tian ◽  
William Salerno ◽  
Anup Parikh ◽  
...  
Keyword(s):  
Comparative Genomics ◽  
Dictyostelium Discoideum ◽  
The Social ◽  
Dictyostelium Purpureum ◽  
Social Amoebae

Mechanistic divergence between (4S,7R)-germacra-(1(10)E,5E)-dien-11-ol synthases from Dictyostelium purpureum and Streptomyces coelicolor

2021 ◽  
Author(s):  
Houchao Xu ◽  
Jan Rinkel ◽  
Xinlu Chen ◽  
Tobias G. Köllner ◽  
Feng Chen ◽  
...  
Keyword(s):  
Streptomyces Coelicolor ◽  
Enzyme Mechanism ◽  
Site Directed Mutagenesis ◽  
Directed Mutagenesis ◽  
Dictyostelium Purpureum

The enzyme mechanism of germacradienol synthase DpTPS9 from Dictyostelium purpureum has been studied by labelling experiments and site-directed mutagenesis, and is different to the mechanism of geosmin synthase SCO6073 from Streptomyces coelicolor.

Participation of the cell surfaces in determining the developmental courses in the cellular slime mould Dictyostelium purpureum

Development ◽  
1978 ◽  
Vol 48 (1) ◽  
pp. 153-160
Author(s):  
M. Saito ◽  
K. Yanagisawa
Keyword(s):  
Fruiting Body ◽  
Developmental Courses ◽  
Fruiting Bodies ◽  
Cell Surfaces ◽  
Fruiting Body Formation ◽  
Con A ◽  
Body Formation ◽  
Dictyostelium Purpureum ◽  
Cellular Slime ◽  
Type Strains

Dictyostelium purpureum S5 and S6, mating type strains, form fruiting-bodies in a monoclonal culture, but produce macrocysts in a mix culture. The effects of Concanavalin A (Con A) on both fruiting-body formation and macrocyst formation, and changes of Con Amediated cell agglutinability during development were studied. It was found that Con A inhibits macrocyst formation but not fruiting-body formation, and that macrocyst-forming cells are much more susceptible to Con A agglutination than are fruiting-body-forming cells during the aggregation stages. When fruiting-body-forming cells are treated with either trypsin or α-chymotrypsin, their Con A agglutinability is enhanced to the same extent as that of macrocyst-forming cells. It was also found that when S6 cells are treated with proteases they sometimes produce normal macrocysts even in a monoclonal culture. The results obtained in these experiments showed that the surface properties of fruitingbody- forming cells and macrocyst-forming cells are different, and that the cell surface might play an important role in determining the two developmental courses.

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