Some Biological Characteristics of Tetrahymena corlissi Isolated from Guppy in Thailand.

Hatai, Kishio; Chukanhom, Kanit; Lawhavinit, Ong-ard; Hanjavanit, Chutima; Kunitsune, Miho; Imai, Soichi

doi:10.3147/jsfp.36.195

Cited by 14 publications

(20 citation statements)

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“…Isolation and identification of parasites and fungi Hatai et al (2001) succeeded in isolating two isolates, strains T1 and T2, of Tetrahymena corlissi and three isolates of fungi, strains NJM 9904, 9905, and 9906, from guppies collected in Thailand in 1999. Tetrahymena corlissi strain T2 and the isolated fungus strain NJM 9905 were used in the present experiments.…”

Section: Resultsmentioning

confidence: 99%

“…The guppies infected with Tetrahymena corlissi showed obvious scale loss and ulceration with fungus infections. Hatai et al (2001) reported the biological characteristics of Tetrahymena corlissi that was isolated from Thai guppies and cultured under laboratory conditions in 1999. This isolate of Tetrahymena corlissi was used in the present study.…”

Section: Discussionmentioning

confidence: 99%

“…Typical lesions were characterized by protrusion of scales, swelling, ulcerative wounds on the skin, blindness, and protrusion of eyes (Johnson 1978). Guppies collected from a farm in Ratchaburi province, Thailand, were killed by parasitic ciliates that were identified as Tetrahymena corlissi (Hatai et al, 2001). At that time, an infectious fungus was isolated from fish infected with Tetrahymena corlissi.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Tetrahymena on the occurrence of achlyosis in the guppy

2002

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Tetrahymena infection has become the most problematic parasitic disease of the guppy Poecilia reticulata in Southeast Asia. Tetrahymena corlissi was isolated from guppies with a fungal infection in Thailand, and the fungus was identified as Achlya bisexualis. Male and female guppies were artificially infected with both organisms. The results showed that guppies could easily be artificially infected with a culture of Tetrahymena corlissi and that female guppies were more sensitive than male guppies. Achlya bisexualis infection was shown to be a secondary infection after the Tetrahymena infection.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of Tetrahymena on the occurrence of achlyosis in the guppy

2002

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“…Working on the differences between the short-and long-term cultures of U. marinum, Kwon et al (2003) recorded significantly higher protease activity in short-term cultures of the parasite at 30°C than at 20°C. Warmer temperatures also influenced the cell proliferation of Tetrahymena corlissi isolated from guppy in Thailand (Hatai et al 2001), where the freshwater ciliate grew optimally at 25 to 30°C.…”

Section: Discussionmentioning

confidence: 99%

Growth kinetics, protease activity and histophagous capability of Uronema sp. infesting cultured silver pomfret Pampus argenteus in Kuwait

Al‐Marzouk

Azad²

2007

Dis. Aquat. Org.

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“…The most commonly reported infections are caused by Tetrahymena corlissi [6,[9][10][11], which is able to invade the visceral cavity, leading to systemic infection. Tetrahymena is believed to infect wounded and/or weakened fish [1,12,13]. It has been suggested that the ciliate physically destroys the host tissues, and reaches the internal organs via the musculature [11,12].…”

Section: Introductionmentioning

confidence: 99%