Genetic identification for prey birds of the Endangered peregrine falcon (Falco peregrinus)

IF 1.1 4区 生物学 Q4 GENETICS & HEREDITY
Sang-Hyun Han, Hong-Shik Oh
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引用次数: 7

Abstract

Abstract To reveal the dietary ecology of the peregrine falcon (Falco peregrinus), we conducted a molecular analysis for mitochondrial genes (COI and CYTB) to identify the prey species collected from a feeding place found on Sasu Island, South Korea. The results from noninvasive genetic analysis showed that the sequences obtained came from nine species of birds (Cuculus canorus, Eurystomus orientalis, Limosa limosa, Microscelis amaurotis, Oriolus chinensis, Phasianus colchicus, Sterna hirundo, Streptopelia orientalis, and Turdus pallidus). Five of the species (C. canorus, M. amaurotis, S. hirundo, S. orientalis, and T. pallidus) had previously been observed on this island, but the other four species (E. orientalis, L. limosa, O. chinensis, and P. colchicus) were newly identified as present. No mtDNA sequences of land animals such as amphibians, reptiles, and mammals were found in the dietary remains, suggesting that the peregrine falcon preys mostly on other birds rather than on other animals inhabiting Sasu Island. This island has rich avian diversity and abundant animal populations and therefore supplies sufficient dietary resources for the peregrine falcon. Our findings suggested that a DNA-based molecular method may be useful to identify the prey species of these birds and may be valuable in future studies of the Endangered peregrine falcon.
濒危游隼捕食鸟类的遗传鉴定
摘要为了揭示游隼(Falco peregrinus)的饮食生态,我们对在韩国Sasu岛一个觅食地采集的猎物进行了线粒体基因(COI和CYTB)的分子分析。无创遗传分析结果表明,获得的序列来自9种鸟类(Cuculus canorus、Eurystomus orientalis、Limosa Limosa、Microscelis amaurotis、Oriolus chinensis、Phasianus colchicus、Sterna hirundo、Streptopelia orientalis和Turdus pallidus)。其中5种(C. canorus、M. amaurrotis、S. hirundo、S. orientalis和T. pallidus)曾在岛上发现,其余4种(E. orientalis、L. limosa、O. chinensis和P. colchicus)是新发现的。在饮食遗骸中没有发现两栖动物、爬行动物和哺乳动物等陆地动物的mtDNA序列,这表明游隼主要捕食其他鸟类,而不是栖息在萨苏岛的其他动物。岛上鸟类种类丰富,动物种群丰富,为游隼提供了充足的饮食资源。我们的研究结果表明,基于dna的分子方法可能有助于识别这些鸟类的猎物种类,并可能在未来对濒危游隼的研究中有价值。
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来源期刊
Mitochondrial Dna Part a
Mitochondrial Dna Part a Biochemistry, Genetics and Molecular Biology-Genetics
CiteScore
3.00
自引率
0.00%
发文量
6
期刊介绍: Mitochondrial DNA Part A publishes original high-quality manuscripts on physical, chemical, and biochemical aspects of mtDNA and proteins involved in mtDNA metabolism, and/or interactions. Manuscripts on cytosolic and extracellular mtDNA, and on dysfunction caused by alterations in mtDNA integrity as well as methodological papers detailing novel approaches for mtDNA manipulation in vitro and in vivo are welcome. Descriptive papers on DNA sequences from mitochondrial genomes, and also analytical papers in the areas of population genetics, phylogenetics and human evolution that use mitochondrial DNA as a source of evidence for studies will be considered for publication. The Journal also considers manuscripts that examine population genetic and systematic theory that specifically address the use of mitochondrial DNA sequences, as well as papers that discuss the utility of mitochondrial DNA information in medical studies and in human evolutionary biology.
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