Abstract
There has been little attention to the glycogen and protein profiles of Clinostomum tilapiae Ukoli, 1966 (Digenea: Clinostomidae) and recently studied Clinostomum Morphotype1 as well as the epidemiological status of the later. The protein content of the cyst membrane 10.10 +/- 0.90 g/dL and host muscle tissue 11.9 +/- 0.80 g/dL are higher than the protein content of Clinostomum Morphotype1 tissue 7.9 +/- 0.40 g/dL. Conversely, the host muscle tissue glycogen content 8.25 +/- 1.07 mg/kg is slightly lower than both the cyst tissue 9.20 +/- 0.54 mg/kg and Morphotype1 9.06 +/- 0.79 mg/kg, respectively. However, the glycogen content of Clinostomum tilapiae 13.10 +/- 0.92 mg/kg is higher than both host muscle tissue glycogen content 8.25 +/- 1.07 mg/kg and the cyst tissue 9.20 +/- 0.54 mg/kg. Clinostomum tilapiae exhibited the invasive characteristic of trematodes. Season influenced the occurrence of Morphotype1 with higher prevalence in dry (54.01%) than rainy season months (45.98%).
Highlights
Studies on protein and glycogen contents of Clinostomes metacercariae generally maintain little information. an important attempt had been made, it only provided the glycogen content of Clinostomum complanatum (Ramanaiah and Agarwal, 1975)
Lately morphological and molecular characterization of Clinostomum tilapiae Ukoli, 1966 (Digenea: Clinostomidae) and Clinostomum Morphotype1 were done by Caffara et al (2017) as part of proper identification of clinostomid species based on both molecular and morphological approaches
Due to paucity of information on the protein and glycogen contents of Clinostomum species that occur in West Africa and have been morphologically and molecularly described, I engendered this study to provide them
Summary
Studies on protein and glycogen contents of Clinostomes metacercariae generally maintain little information. Lately morphological and molecular characterization of Clinostomum tilapiae Ukoli, 1966 (Digenea: Clinostomidae) and Clinostomum Morphotype were done by Caffara et al (2017) as part of proper identification of clinostomid species based on both molecular and morphological approaches Information on their protein and glycogen profiles is important as well as epidemiological information of the later because the epidemiological information of the former had been done. It might last throughout the lives of the host fish due to difficulty in locating their definitive hosts, the piscivorous birds such as Egreta egreta (Higgins, 1979) Such hosts are not ubiquitous in inland waters of West Africa. Due to paucity of information on the protein and glycogen contents of Clinostomum species that occur in West Africa and have been morphologically and molecularly described, I engendered this study to provide them
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