Dataset Information

Occurrence of endoparasites in wild Antillean manatees (Trichechus manatus manatus) in Colombia.

ABSTRACT: The recognized impact of parasites in wildlife populations demands surveillance of endangered species like the Antillean manatees (Trichechus manatus manatus) in Colombia. We conducted a parasitological survey in four rescued sea cows in order to document the parasite diversity of this sirenian in the Caribbean wetland of Colombia and contribute to the molecular characterization of its trematodes. The flukes Chiorchis fabaceus, Nudacotyle undicola and the protozoans Eimeria manatus and E. nodulosa were identified in analysed faecal samples. For C. fabaceus and N. undicola, partial regions of ribosomal RNA genes were amplified and sequenced in order to infer their phylogenetic relations. The current study constitutes a new sirenian host (T. manatus manatus) record for the genus Eimeria and the trematode N. undicola.

SUBMITTER: Velez J

PROVIDER: S-EPMC6031961 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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Occurrence of endoparasites in wild Antillean manatees (Trichechus manatus manatus) in Colombia.

Vélez J J Hirzmann J J Lange M K MK Chaparro-Gutiérrez J J JJ Taubert A A Hermosilla C C

International journal for parasitology. Parasites and wildlife 20180128 1

The recognized impact of parasites in wildlife populations demands surveillance of endangered species like the Antillean manatees (Trichechus manatus manatus) in Colombia. We conducted a parasitological survey in four rescued sea cows in order to document the parasite diversity of this sirenian in the Caribbean wetland of Colombia and contribute to the molecular characterization of its trematodes. The flukes Chiorchis fabaceus, Nudacotyle undicola and the protozoans Eimer ...[more]

PMID: 29988803

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Project description:To investigate a Florida manatee (Trichechus manatus latirostris) mortality event following a red tide bloom in Southwest Florida, a RNA-Seq experiment was conducted. Cell processes such as immune response, cell proliferation and differentiation and apoptosis were among the most affected by red tide. These were involved in potential diseases such as neoplasms, inflammation, and wounds and injuries, among others. There were both up-regulated and down-regulated genes, but the highest fold changes relative to controls were for genes that were down-regulated. Piccolo presynaptic cytomatrix protein (PCLO) gene, the one most down-regulated (fold change -9.93; p-value 0.0009) is associated with neurotransmitter release, cognitive functioning, neuronal loss, and neuronal synapse function. Another gene that has a similar function, ankyrin 2, neuronal, transcript variant 1 (ANK2) was also down-regulated (fold change -8.66; p-value 0.0023). ANK2 is associated with the stability of neuron synapses. Two immune genes, interleukin 6 (interferon, beta 2) (IL6) and zinc finger protein 804B (ZNF804B), were down-regulated (fold change -9.31; p-value 0.000003 and fold change -8.90; p-value 0.0164, respectively). Interleukin 6 encodes proteins involved in acute phase response, inflammation, and autoimmune response. ZNF804B is associated with neuronal chemokine and cytokine regulation, autoimmune response, and immune activation. The family with sequence similarity 186, member A (FAM186A) gene was down-regulated (fold change -8.79; p-value 0.0143). FAM186A gene mutation is associated with tumor metastasis in colorectal cancer tumors. Among the most up-regulated genes, CCAAT/enhancer binding protein (C/EBP) is involved in granulocytic differentiation and also involved with the immune system. Determining the differentially expressed genes associated with red tide enhances our understanding of manatee immune response to red tide toxins and aids in the development of red tide biomarkers. This information will better assist clinicians and researchers in diagnosing and treating future illnesses.

Dataset Information

Occurrence of endoparasites in wild Antillean manatees (Trichechus manatus manatus) in Colombia.

Publications

Occurrence of endoparasites in wild Antillean manatees (<i>Trichechus manatus manatus</i>) in Colombia.

Similar Datasets

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