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      The phylogenetics of Leucocytozoon caulleryi infecting broiler chickens in endemic areas in Indonesia

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          Abstract

          Aim:

          The objective of this research was to determine the species and strains of Leucocytozoon caulleryi and study the phylogenetics of L. caulleryi of broiler chickens in endemic areas in Indonesia.

          Materials and Methods:

          Blood samples were collected from broiler chickens originated from endemic area in Indonesia, i.e., Pasuruan, Lamongan, Blitar, Lumajang, Boyolali, Purwokerto, and Banjarmasin in 2017. Collected blood was used for microscopic examination, sequencing using BLAST method to identify the nucleotide structure of cytochrome b ( cyt b) gene that determines the species, and the phylogenetics analysis of L. caulleryi that infected broiler chickens in endemic areas in Indonesia, using Mega 5 software.

          Results:

          The results showed that Plasmodium sp. and L. caulleryi were infected broiler chickens in endemic areas in Indonesia. L. caulleryi in one area had very close phylogenetic relations with those in other areas. The genetic distance between L. caulleryi taxa from various endemic areas is very close (<5%).

          Conclusion:

          There is a very close phylogenetics among strains of L. caulleryi that infected broiler chickens in various endemic areas in Indonesia.

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          Most cited references16

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          High diversity of West African bat malaria parasites and a tight link with rodent Plasmodium taxa.

          As the only volant mammals, bats are captivating for their high taxonomic diversity, for their vital roles in ecosystems--particularly as pollinators and insectivores--and, more recently, for their important roles in the maintenance and transmission of zoonotic viral diseases. Genome sequences have identified evidence for a striking expansion of and positive selection in gene families associated with immunity. Bats have also been known to be hosts of malaria parasites for over a century, and as hosts, they possess perhaps the most phylogenetically diverse set of hemosporidian genera and species. To provide a molecular framework for the study of these parasites, we surveyed bats in three remote areas of the Upper Guinean forest ecosystem. We detected four distinct genera of hemosporidian parasites: Plasmodium, Polychromophilus, Nycteria, and Hepatocystis. Intriguingly, the two species of Plasmodium in bats fall within the clade of rodent malaria parasites, indicative of multiple host switches across mammalian orders. We show that Nycteria species form a very distinct phylogenetic group and that Hepatocystis parasites display an unusually high diversity and prevalence in epauletted fruit bats. The diversity and high prevalence of novel lineages of chiropteran hemosporidians underscore the exceptional position of bats among all other mammalian hosts of hemosporidian parasites and support hypotheses of pathogen tolerance consistent with the exceptional immunology of bats.
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            Prevalence and diversity of avian hematozoan parasites in Asia: a regional survey.

            Tissue samples from 699 birds from three regions of Asia (Myanmar, India, and South Korea) were screened for evidence of infection by avian parasites in the genera Plasmodium and Haemoproteus. Samples were collected from November 1994 to October 2004. We identified 241 infected birds (34.0%). Base-on-sequence data for the cytochrome b gene from 221 positive samples, 34 distinct lineages of Plasmodium, and 41 of Haemoproteus were detected. Parasite diversity was highest in Myanmar followed by India and South Korea. Parasite prevalence differed among regions but not among host families. There were four lineages of Plasmodium and one of Haemoproteus shared between Myanmar and India and only one lineage of Plasmodium shared between Myanmar and South Korea. No lineages were shared between India and South Korea, although an equal number of distinct lineages were recovered from each region. Migratory birds in South Korea and India originate from two different migratory flyways; therefore cross-transmission of parasite lineages may be less likely. India and Myanmar shared more host species and habitat types compared to South Korea. Comparison between low-elevation habitat in India and Myanmar showed a difference in prevalence of haematozoans.
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              High mutation rates in the mitochondrial genomes of Daphnia pulex.

              Despite the great utility of mitochondrial DNA (mtDNA) sequence data in population genetics and phylogenetics, key parameters describing the process of mitochondrial mutation (e.g., the rate and spectrum of mutational change) are based on few direct estimates. Furthermore, the variation in the mtDNA mutation process within species or between lineages with contrasting reproductive strategies remains poorly understood. In this study, we directly estimate the mtDNA mutation rate and spectrum using Daphnia pulex mutation-accumulation (MA) lines derived from sexual (cyclically parthenogenetic) and asexual (obligately parthenogenetic) lineages. The nearly complete mitochondrial genome sequences of 82 sexual and 47 asexual MA lines reveal high mtDNA mutation rate of 1.37 × 10(-7) and 1.73 × 10(-7) per nucleotide per generation, respectively. The Daphnia mtDNA mutation rate is among the highest in eukaryotes, and its spectrum is dominated by insertions and deletions (70%), largely due to the presence of mutational hotspots at homopolymeric nucleotide stretches. Maximum likelihood estimates of the Daphnia mitochondrial effective population size reveal that between five and ten copies of mitochondrial genomes are transmitted per female per generation. Comparison between sexual and asexual lineages reveals no statistically different mutation rates and highly similar mutation spectra.
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                Author and article information

                Journal
                Vet World
                Vet World
                Veterinary World
                Veterinary World (India )
                0972-8988
                2231-0916
                November 2017
                11 November 2017
                : 10
                : 11
                : 1324-1328
                Affiliations
                [1 ]Department of Parasitology, Faculty of Veterinary Medicine, Universitas Airlangga, Jl. Mulyorejo, Kampus C Unair, Surabaya, 60115, Indonesia
                [2 ]Department of Clinical Science, Faculty of Veterinary Medicine, Universitas Airlangga, Jl. Mulyorejo, Kampus C Unair, Surabaya, 60115, Indonesia
                Author notes
                Corresponding author: Wiwik Misaco Yuniarti, e-mail: wiwikmisaco@ 123456yahoo.com Co-author: ES: esuprihati@ 123456yahoo.co.id
                Article
                10.14202/vetworld.2017.1324-1328
                5732337
                29263593
                5e107c87-19e1-4096-a194-5ce8a3e61d21
                Copyright: © Suprihati and Yuniarti.

                Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

                History
                : 13 June 2017
                : 13 October 2017
                Categories
                Research Article

                broiler chickens,cytochrome b gene,endemic,indonesia,leucocytozoon caulleryi

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