2 research outputs found
Cyst-theca relationships of Gonyaulacales and Peridiniales (Dinophyceae) from Bah铆a Concepci贸n, Gulf of California
Based on samples obtained in 2000-2002 from a 1-cm layer of surface sediment at two sites in Bah铆a Concepci贸n in the Gulf of California, cyst-theca relationships were defined from cyst germination assays for Gonyaulax spinifera (= Spiniferites mirabilis), Protoce- ratium globosum, Preperidinium meunieri (= Dubridinium caperatum), Protoperidinium denticulatum (= Brigantedinium irregulare), and Protoperidinium cf. thorianum. All the taxa are illustrated with photomicrographs and descriptions of the resting and vegetative stages are given, including synonymy, size variation, distribution in Mexico, and global distribution, when known. As a result of cyst germination assays, the previously unknown cyst-theca relationship of P. globosum was described. We also confirmed the presence of the vegetative stage of P. denticulatum in the Gulf of California and heterospory in G. spinifera from Bah铆a Concepci贸n. Cultures of G. spinifera and P. globosum were successfully established.Mediante ensayos de germinaci贸n se logr贸 definir la relaci贸n quiste-teca de Gonyaulax spinifera (= Spiniferites mirabilis), Protoceratium globosum, Preperidinium meunieri (= Dubridinium caperatum), Protoperidinium denticulatum (= Brigantedinium irregulare) y Protoperidinium cf. thorianum. Los quistes se aislaron a partir del primer cent铆metro de sedimento superficial de muestras colectadas durante el periodo 2000-2002 en Bah铆a Concepci贸n, Golfo de California. Los taxa identificados se ilustran con microfotografias, se describe la morfolog铆a de los estadios qu铆stico y vegetativo, y tambi茅n se incluye informaci贸n sobre sinonimias, variaci贸n en talla y su distribuci贸n en M茅xico y en el mundo. Los ensayos de germinaci贸n permitieron describir por primera vez la relaci贸n quiste-teca de P. globosum, confirmar la presencia del estadio vegetativo de P. denticulatum en el Golfo de California y de la heterosporia en G. spinifera. Tambi茅n se establecieron con 茅xito cepas de G. spinifera y P. globosum
Cyst-theca relationships of Gonyaulacales and Peridiniales (Dinophyceae) from Bah铆a Concepci贸n, Gulf of California
Based on samples obtained in 2000-2002 from a 1-cm layer of surface sediment at two
sites in Bah铆a Concepci贸n in the Gulf of California, cyst-theca relationships were defined
from cyst germination assays for Gonyaulax spinifera (= Spiniferites mirabilis), Protoceratium
globosum, Preperidinium meunieri (= Dubridinium caperatum), Protoperidinium
denticulatum (= Brigantedinium irregulare), and Protoperidinium cf. thorianum. All the
taxa are illustrated with photomicrographs and descriptions of the resting and vegetative
stages are given, including synonymy, size variation, distribution in Mexico, and global
distribution, when known. As a result of cyst germination assays, the previously unknown
cyst-theca relationship of P. globosum was described. We also confirmed the presence of the
vegetative stage of P. denticulatum in the Gulf of California and heterospory in G. spinifera
from Bah铆a Concepci贸n. Cultures of G. spinifera and P. globosum were successfully
established.Mediante ensayos de germinaci贸n se logr贸 definir la relaci贸n quiste-teca de
Gonyaulax spinifera (= Spiniferites mirabilis), Protoceratium globosum, Preperidinium meunieri (= Dubridinium caperatum), Protoperidinium denticulatum (= Brigantedinium
irregulare) y Protoperidinium cf. thorianum. Los quistes se aislaron a partir del primer
cent铆metro de sedimento superficial de muestras colectadas durante el periodo 2000-
2002 en Bah铆a Concepci贸n, Golfo de California. Los taxa identificados se ilustran con
microfotografias, se describe la morfolog铆a de los estadios qu铆stico y vegetativo, y tambi茅n
se incluye informaci贸n sobre sinonimias, variaci贸n en talla y su distribuci贸n en M茅xico y
en el mundo. Los ensayos de germinaci贸n permitieron describir por primera vez la relaci贸n
quiste-teca de P. globosum, confirmar la presencia del estadio vegetativo de P. denticulatum
en el Golfo de California y de la heterosporia en G. spinifera. Tambi茅n se establecieron con
茅xito cepas de G. spinifera y P. globosum