Results 131 to 140 of about 3,089 (170)
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PROTOZOAN INFECTIONS: ZOOMASTIGINA, RHIZOPODA, AND CILIOPHORA
1993Yoshinori Tanada, Harry K. Kaya
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Extracellular Calcium Concentration Affects Infectivity of Ichthyophthirius (Ciliophora) Theronts
The Journal of Protozoology, 1991Tomonts and their theront offspring of the hymenostomatid fish parasite Ichthyophthirius multifiliis were exposed to calcium levels from 0 to 0.8 mM Ca2+. The survival and reproductive rates of tomonts in the absence of extracellular calcium were not significantly different from rates of tomonts provided calcium.
MARGARET S. EWING +3 more
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Veterinary Parasitology, 2017
Parasitic Chilodonella species, Chilodonella piscicola and Chilodonella hexasticha, cause considerable economic losses globally to freshwater farmed fish production. Some genetic studies of Chilodonella spp. have indicated that many species within the genus may form cryptic species complexes. To understand the diversity of Chilodonella spp.
Bastos Gomes, Giana +6 more
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Parasitic Chilodonella species, Chilodonella piscicola and Chilodonella hexasticha, cause considerable economic losses globally to freshwater farmed fish production. Some genetic studies of Chilodonella spp. have indicated that many species within the genus may form cryptic species complexes. To understand the diversity of Chilodonella spp.
Bastos Gomes, Giana +6 more
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Journal of Invertebrate Pathology, 1995
The transformation of Lambornella stegomyiae trophonts to theronts, the distribution of invasion cysts on larval Aedes albopictus cuticle, and the virulence of L. stegomyiae to Ae. albopictus and Aedes aegypti were studied in the laboratory. Transformation of trophonts into theronts was induced by a morphogenic agent released from larval Ae. albopictus
H H, Arshad, I, Sulaiman
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The transformation of Lambornella stegomyiae trophonts to theronts, the distribution of invasion cysts on larval Aedes albopictus cuticle, and the virulence of L. stegomyiae to Ae. albopictus and Aedes aegypti were studied in the laboratory. Transformation of trophonts into theronts was induced by a morphogenic agent released from larval Ae. albopictus
H H, Arshad, I, Sulaiman
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European Journal of Protistology, 1997
Summary In some clones of Paramecium caudatum (to be referred to as “resistant”) infectious forms of Holospora undulata bacteria which are capable of infecting the micronucleus were lysed within 3–4 h after invasion of the micronucleus. After microsurgical transplantation of the micronucleus of non-resistant into resistant paramecia (without ...
Sergei I. Fokin, Ilya N. Skovorodkin
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Summary In some clones of Paramecium caudatum (to be referred to as “resistant”) infectious forms of Holospora undulata bacteria which are capable of infecting the micronucleus were lysed within 3–4 h after invasion of the micronucleus. After microsurgical transplantation of the micronucleus of non-resistant into resistant paramecia (without ...
Sergei I. Fokin, Ilya N. Skovorodkin
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Fish & Shellfish Immunology, 2009
Unmethylated cytosine-phosphate-guanine (CpG) dinucleotides flanked by specific bases in bacterial DNA induce a favorable immune response by acting as danger signals to the host. Synthetic oligodeoxynucleotides containing CpG motifs (CpG-ODNs) also act like the unmethylated CpG oligonucleotides in bacterial DNA.
Eun Hye, Lee, Ki Hong, Kim
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Unmethylated cytosine-phosphate-guanine (CpG) dinucleotides flanked by specific bases in bacterial DNA induce a favorable immune response by acting as danger signals to the host. Synthetic oligodeoxynucleotides containing CpG motifs (CpG-ODNs) also act like the unmethylated CpG oligonucleotides in bacterial DNA.
Eun Hye, Lee, Ki Hong, Kim
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Archives of Environmental Contamination and Toxicology, 2011
Wild-caught European perch (Perca fluviatilis) were exposed in the laboratory to untreated bleached pulp and paper mill effluent in two separate experiments. The first experiment was conducted at 7-8°C using effluent concentrations of 5 and 10%, and the second experiment was conducted at ambient river temperature of 4-20°C using an effluent ...
Marcogliese, David J. +2 more
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Wild-caught European perch (Perca fluviatilis) were exposed in the laboratory to untreated bleached pulp and paper mill effluent in two separate experiments. The first experiment was conducted at 7-8°C using effluent concentrations of 5 and 10%, and the second experiment was conducted at ambient river temperature of 4-20°C using an effluent ...
Marcogliese, David J. +2 more
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Zootaxa, 2021
During a survey of parasitic ciliates in Chongqing, China, Trichodina matsu Basson & Van As, 1994 was isolated from gills of Tachysurus fulvidraco. Furthermore, the 18S rRNA gene and ITS-5.8S rRNA region of T. matsu were sequenced for the first time and applied for the species identification and comparison with similar species in the present study.
QIAN ZHOU, FAHUI TANG, YUANJUN ZHAO
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During a survey of parasitic ciliates in Chongqing, China, Trichodina matsu Basson & Van As, 1994 was isolated from gills of Tachysurus fulvidraco. Furthermore, the 18S rRNA gene and ITS-5.8S rRNA region of T. matsu were sequenced for the first time and applied for the species identification and comparison with similar species in the present study.
QIAN ZHOU, FAHUI TANG, YUANJUN ZHAO
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Journal of Invertebrate Pathology, 1985
Abstract Lambornella clarki was a common parasite of Aedes sierrensis immatures collected from treeholes in Mendocino County, California, in 1982–1983. The ciliate was not found in mosquitoes from treeholes with water having the most extreme values of electrical conductivity ( 1.74 mmhos/cm) and pH ( 7.7).
David E. Egerter, John R. Anderson
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Abstract Lambornella clarki was a common parasite of Aedes sierrensis immatures collected from treeholes in Mendocino County, California, in 1982–1983. The ciliate was not found in mosquitoes from treeholes with water having the most extreme values of electrical conductivity ( 1.74 mmhos/cm) and pH ( 7.7).
David E. Egerter, John R. Anderson
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Aquaculture, 2008
To determine whether olive flounder (Paralichthys olivaceus) immunized with lysate of Philasterides dicentrarchi could be protected immobilization antigen (i-antigen) type independently, fish were immunized with lysate of ciliates obtained from in vitro cultures or ciliates obtained from infected fish.
Eun Hye Lee, Ki Hong Kim
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To determine whether olive flounder (Paralichthys olivaceus) immunized with lysate of Philasterides dicentrarchi could be protected immobilization antigen (i-antigen) type independently, fish were immunized with lysate of ciliates obtained from in vitro cultures or ciliates obtained from infected fish.
Eun Hye Lee, Ki Hong Kim
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