Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Frank O. Perkins"'
Publikováno v:
Journal of Invertebrate Pathology. 71:9-25
During the summer and fall of 1995, in clam aquaculture leases at two locations on the coast of Massachusetts, significant mortalities were observed to occur primarily in 1frac12;- to 2-year old hard clams (Mercenaria mercenaria, quahog) planted in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60564efa9ba39edf597a29550ac85e01
https://doi.org/10.1006/jipa.1997.4706
https://doi.org/10.1006/jipa.1997.4706
Autor:
Frank O. Perkins
Publikováno v:
Aquatic Living Resources. 9:159-168
Les anomalies de depot de conchioline secretee par Pinctada maxima, associees avec des mortalites inhabituelles, sont decrites ici. Des comparaisons sont faites entre la maladie de l'anneau brun trouve chez Ruditapes philippinarum et chez des jeunes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9dffefb2ce5beb495b0e5234efd98d50
https://doi.org/10.1051/alr:1996019
https://doi.org/10.1051/alr:1996019
Autor:
Carolyn S. Friedman, Frank O. Perkins
Publikováno v:
Journal of Invertebrate Pathology. 64:179-181
Flat oysters, Ostrea edulis L., were collected from the Damariscotta River, Maine, in September of 1991 and 1992 and from Tomales Bay, California, in October of 1991 and 1992. Histological examination revealed infections with Bonamia ostreae in 34 an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef359cdb9bcd1790e152946e6612ec24
https://doi.org/10.1016/s0022-2011(94)90075-2
https://doi.org/10.1016/s0022-2011(94)90075-2
What have been interpreted to be three phases in the developmental cycle of an unidentified protistan parasite of Ruditapes decussatus from Portugal are described as a result of transmission electron microscopy. This parasite shows similarities to Pe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbffe0a3dfdab3e31d2f5431070613b7
https://doi.org/10.1016/b978-0-12-550755-4.50023-9
https://doi.org/10.1016/b978-0-12-550755-4.50023-9
Autor:
Frank O. Perkins
Publikováno v:
The Journal of Protozoology. 23:64-74
SYNOPSIS. By fine-structural studies of speculation stages in the European flat oyster pathogen Marteilia refringens this organism is shown to be a member of the protozoan class Haplosporea. This conclusion is based on observations that haplosporosom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e16165e32c271a0e8d81f6b50455053
https://doi.org/10.1111/j.1550-7408.1976.tb05247.x
https://doi.org/10.1111/j.1550-7408.1976.tb05247.x
Autor:
Frank O. Perkins
Publikováno v:
Mycologia. 66:697-702
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e432d0daf724952215e6e9cb15e98bea
https://doi.org/10.1080/00275514.1974.12019664
https://doi.org/10.1080/00275514.1974.12019664
Publikováno v:
Zeitschrift f�r Parasitenkunde Parasitology Research. 71:715-726
The fine structure of spore excystment, plasmodial development, and sporoblast formation phases of the life cycle of the sporozoanHaplosporidium lusitanicum haplosporidian species recently described by Azevedo (1984), pathogenic to the plate limpetHe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cee66c67985851fe4e5ea76194fb678a
https://doi.org/10.1007/bf00926797
https://doi.org/10.1007/bf00926797
Autor:
R. W. Menzel, Frank O. Perkins
Publikováno v:
Journal of Invertebrate Pathology. 9:205-229
Electron-microscope studies demonstrate that presporangial cells (hypnospores) of the fungus Dermocystidium marinum are characterized by an apparent lack of mitochondria, by a cell wall homogeneous with respect to electron density, and by an electron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13b6bb30ccb6bd38aa94d209b9ff8852
https://doi.org/10.1016/0022-2011(67)90009-2
https://doi.org/10.1016/0022-2011(67)90009-2