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American Museum Novitates
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Article . 2012
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American Museum Novitates
Article . 2012 . Peer-reviewed
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https://dx.doi.org/10.60692/78...
Other literature type . 2012
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https://dx.doi.org/10.60692/p2...
Other literature type . 2012
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Archboldomys(Muridae: Murinae) Reconsidered: A New Genus and Three New Species of Shrew Mice from Luzon Island, Philippines

Archboldomys(Muridae: Murinae) إعادة النظر: جنس جديد وثلاثة أنواع جديدة من الفئران النمرة من جزيرة لوزون، الفلبين
Authors: Danilo S. Balete; Eric A. Rickart; Lawrence R. Heaney; Phillip A. Alviola; Melizar V. Duya; Mariano Roy M. Duya; Timothy. Sosa; +1 Authors

Archboldomys(Muridae: Murinae) Reconsidered: A New Genus and Three New Species of Shrew Mice from Luzon Island, Philippines

Abstract

Les souris musaraignes du genre Archboldomys sont des membres mal connus d'un clade endémique de rongeurs murins vermivores/insectivores confinés à l'île de Luçon, aux Philippines. Trois espèces de ces petites souris diurnes vivantes au sol étaient auparavant connues, toutes issues d'une poignée de spécimens provenant de quelques localités. Le modèle de différenciation morphologique et génétique parmi les spécimens supplémentaires de souris musaraignes de nos récentes enquêtes sur le terrain dans les montagnes de la Cordillère centrale et de la Sierra Madre de Luçon documente la présence de deux groupes d'espèces distincts au sein d'Archboldomys tels que définis précédemment, ainsi que trois nouvelles espèces. Les données de séquence génique du cytochrome b mitochondrial et des gènes IRBP nucléaires confirment l'existence de six espèces distinctes, mais montrent également que Archboldomys, tel que défini précédemment, est composé de deux clades qui ne sont pas des taxons soeurs. La réévaluation des synapomorphies morphologiques présumées chez ces souris musaraignes, ainsi que les analyses des données caryologiques et de séquence génique, soutiennent ce qui suit : (1) l'érection de Soricomys, nouveau genre ; (2) le transfert de A. kalinga et A. musseri à Soricomys ; et (3) la reconnaissance de Archboldomys maximus, n. sp., Soricomys leonardocoi, n. sp., et Soricomys montanus, n. sp. Le nouveau genre et les nouvelles espèces sont décrits, et leurs relations phylogénétiques, la biogéographie et la conservation sont discutées.

Los ratones musaraña del género Archboldomys son miembros poco conocidos de un clado endémico de roedores múridos vermívoros/insectívoros confinados en la isla de Luzón, Filipinas. Anteriormente se conocían tres especies de estos pequeños ratones diurnos que viven en el suelo, todos de un puñado de especímenes de unas pocas localidades. El patrón de diferenciación morfológica y genética entre especímenes adicionales de ratones musaraña de nuestros recientes estudios de campo en las montañas de la Cordillera Central y la Sierra Madre de Luzón documenta la presencia de dos grupos de especies distintos dentro de Archboldomys como se definió anteriormente, así como tres nuevas especies. Los datos de la secuencia génica del citocromo b mitocondrial y los genes IRBP nucleares confirman la existencia de seis especies distintas, pero también muestran que Archboldomys, como se definió anteriormente, se compone de dos clados que no son taxones hermanos. La reevaluación de las presuntas sinapomorfias morfológicas entre estos ratones musaraña, junto con los análisis de datos carológicos y de secuencia génica, respaldan lo siguiente: (1) erección de Soricomys, nuevo género; (2) transferencia de A. kalinga y A. musseri a Soricomys; y (3) reconocimiento de Archboldomys maximus, n. sp., Soricomys leonardocoi, n. sp., y Soricomys montanus, n. sp. Se describe el nuevo género y especie, y se discuten sus relaciones filogenéticas, biogeografía y protección.

Shrew mice of the genus Archboldomys are poorly known members of an endemic clade of vermivorous/insectivorous murid rodents confined to Luzon Island, Philippines. Three species of these small, ground-living, diurnal mice were previously known, all from a handful of specimens from a few localities. The pattern of morphological and genetic differentiation among additional specimens of shrew mice from our recent field surveys in the Central Cordillera and Sierra Madre mountains of Luzon document the presence of two distinct species groups within Archboldomys as previously defined, as well as three new species. Gene-sequence data from the mitochondrial cytochrome b and nuclear IRBP genes confirm the existence of six distinct species, but also show that Archboldomys, as previously defined, is composed of two clades that are not sister taxa. Reevaluation of the presumed morphological synapomorphies among these shrew mice, together with analyses of karyological and gene-sequence data, support the following: (1) erection of Soricomys, new genus; (2) transfer of A. kalinga and A. musseri to Soricomys; and (3) recognition of Archboldomys maximus, n. sp., Soricomys leonardocoi, n. sp., and Soricomys montanus, n. sp. The new genus and species are described, and their phylogenetic relationships, biogeography, and conservation are discussed.

فئران النحل من جنس Archboldomys هي أعضاء غير معروفة بشكل جيد في فصيلة متوطنة من القوارض البرية آكلة الحشرات/آكلة الحشرات تقتصر على جزيرة لوزون، الفلبين. كانت ثلاثة أنواع من هذه الفئران الصغيرة النهارية التي تعيش على الأرض معروفة سابقًا، وكلها من حفنة من العينات من عدد قليل من المواقع. يوثق نمط التمايز المورفولوجي والجيني بين عينات إضافية من فئران النبتة من مسوحاتنا الميدانية الأخيرة في جبال سنترال كورديليرا وسييرا مادري في لوزون وجود مجموعتين متميزتين من الأنواع داخل أرشبولدوميس كما هو محدد سابقًا، بالإضافة إلى ثلاثة أنواع جديدة. تؤكد بيانات التسلسل الجيني من جينات السيتوكروم ب للميتوكوندريا وجينات IRBP النووية وجود ستة أنواع متميزة، ولكنها تُظهر أيضًا أن Archboldomys، كما هو محدد سابقًا، تتكون من فئتين ليستا أصنافًا شقيقة. إعادة تقييم التشابكات المورفولوجية المفترضة بين فئران النمرة هذه، جنبًا إلى جنب مع تحليلات بيانات النواة والتسلسل الجيني، تدعم ما يلي: (1) انتصاب Soricomys، جنس جديد ؛ (2) نقل A. kalinga و A. musseri إلى Soricomys ؛ و (3) التعرف على Archboldomys maximus، n. sp.، Soricomys leonardocoi، n. sp.، و Soricomys montanus، n. sp. يتم وصف الجنس والأنواع الجديدة، وتناقش علاقاتها الوراثية والجغرافيا الحيوية والحفظ.

Keywords

Clade, Ecology and Behavior of Bats, Cytochrome b, Invasive Species, Rodentia, Gene, Agricultural and Biological Sciences, Shrew, Genetics, Animalia, Synapomorphy, Chordata, Biology, Ecology, Evolution, Behavior and Systematics, Taxonomy, Ecological Impact of Invasive Species on Islands, Ecology, Genus, Paleontology, Life Sciences, Biodiversity, Evolutionary Dynamics of Mammals and Their Ancestors, Earth and Planetary Sciences, Muridae, FOS: Biological sciences, Mammalia, Environmental Science, Physical Sciences, Zoology, Sister group, Phylogenetic tree

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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