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7 results for “Rattus tanezumi”
Fig. 1 in Rickettsiae exposure related to habitats of the oriental house rat (Rattus tanezumi, Temminck, 1844) in Salaya suburb, Thailand
Fig. 1. The oriental house rat (Rattus tanezumi) trapped in a location of Salaya suburb, near Bangkok shown in a map of Thailand (scale bar; 200 km) and the satellite view of Salaya suburb (scale bar; 2 km); showing six trap site of three distinct oriental house rat habitats including I) an agriculture field (red pin): fruit tree (a) and paddy field (b); II) an animal shelter (yellow pin): dog shelter (c) and horse stable (d) and III) a human residence (green pin): residential area (e) and fresh market (f). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Comparative phylogeography of two commensal rat species (Rattus tanezumi and R. norvegicus) in China: Insights from mitochondiral DNA, microsatellite and RADseq
<p><em><span>Rattus norvegicus</span></em><span> and </span><em><span>Rattus tanezumi</span></em><span> are dominant species of Chinese house rats, but the colonization and demographic history of two species in China have not been thoroughly explored.</span><span> Phylogenetic analyses with mitochondrial DNA including 486 individuals from 31 localities revealed that </span><span><em>R</em>. <em>norvegicus</em></span><span> is widely distributed in China, </span><span>R. <em>tanezumi</em></span><span> is mainly distributed in southern China with currently invading northward; northeast China was the natal region of </span><span><em>R</em>. <em>norvegicus</em></span><span>, while the spread of </span><span><em>R</em>. <em>tanezumi</em></span><span> in China most likely started from the southeast coast. A total of 123 individuals from 18 localities were subjected to 2b‐RAD analyses. In the neighbor‐joining tree, individuals of </span><span><em>R</em>. <em>tanezumi</em></span><span> grouped into geographic‐specific branches, and populations from the southeast coast were ancestral groups, which confirmed the colonization route from the southeast coast to central and western China. However, individuals of </span><span><em>R</em>. <em>norvegicus</em></span><span> were generally grouped into two clusters instead of geographic‐specific branches. One cluster comprised inland populations, and another cluster included both southeast coast and inland populations, which indicated that the spread history of </span><span><em>R</em>. <em>norvegicus</em></span><span> in China was complex; in addition to on‐land colonization, shipping transportation also played a great role. ADMIXTURE and principal component analyses provided further supports for the colonization history. Demographic analyses revealed that climate changes at ~40,000 to 18,000 years ago and ~4000 years ago had led to population declines of both species; the </span><span>R<em>.</em> <em>norvegicus</em></span><span> declined rapidly while the population of </span><span><em>R</em>. <em>tanezumi</em></span><span> continuously expanded since ~1500 years ago, indicating the importance of interspecies' competition in their population size changes. Our study provided a valuable framework for further investigation of phylogeography of two species in China.</span></p>
Comparative phylogeography of two commensal rat species (Rattus tanezumi and R. norvegicus) in China: Insights from mitochondiral DNA, microsatellite and RADseq
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On following pages: 660. Roof Rat (Rattusrattus); 661. Oriental House Rat (Rattus tanezumi); 662. Nicobar Archipelago Rat (Rattus burrus); 663. Car Nicobar Rat (Rattus palmarum); 664. Himalayan Rat (Rattus pyctoris); 665. Ranjini's Rat (Rattus ranjiniae); 666. Sahyadris Forest Rat (Rattus satarae); 667. Andaman Archipelago Rat (Rattus stoicus); 668. Sri Lankan Mountain Rat (Rattus montanus); 669. Pacific Rat (Rattus exulans); 670. Indochinese Forest Rat (Rattus andamanensis): 671. Ricefield Rat (Rattus argentiventen: 672. Losea Rat (Rattus losea); 673. White-footed Indochinese Rat (Rattus nitidus); 674. Osgood's Vietnamese Rat (Rattus osgood)); 675. Little Indochinese Field Rat (Rattus sakeratensis); 676. Burnished Enggano Rat (Rattus adustus); 677. Kinabalu Rat (Rattus baluensis); 678. Aceh Rat (Rattus blangorum); 679. Enggano Island Rat (Rattus enganus), 680. Hoogerwerf's Sumatran Rat (Rattus hoogerwerfi); 681. Sumatran Mountain Rat (Rattus korinchi); 682. Mentawai Archipelago Rat (Rattus lugens); 683. Gag Island Rat (Rattus nikenii); 684. Simalur Archipelago Rat (Rattus simalurensis); 685. Malaysian Field Rat (Rattus tiomanicus); 686. South-western Xanthurus Rat (Rattus bontanus); 687. Hoffmann's Sulawesi Rat (Rattus hoffmanni); 688. Koopman's Peleng Island Rat (Rattus koopmani); 689. Marmoset Xanthurus Rat (Rattus marmosurus); 690. Lampobatang Sulawesi Rat (Rattus mollicomulus). in Muridae
On following pages: 660. Roof Rat (Rattusrattus); 661. Oriental House Rat (Rattus tanezumi); 662. Nicobar Archipelago Rat (Rattus burrus); 663. Car Nicobar Rat (Rattus palmarum); 664. Himalayan Rat (Rattus pyctoris); 665. Ranjini's Rat (Rattus ranjiniae); 666. Sahyadris Forest Rat (Rattus satarae); 667. Andaman Archipelago Rat (Rattus stoicus); 668. Sri Lankan Mountain Rat (Rattus montanus); 669. Pacific Rat (Rattus exulans); 670. Indochinese Forest Rat (Rattus andamanensis): 671. Ricefield Rat (Rattus argentiventen: 672. Losea Rat (Rattus losea); 673. White-footed Indochinese Rat (Rattus nitidus); 674. Osgood's Vietnamese Rat (Rattus osgood)); 675. Little Indochinese Field Rat (Rattus sakeratensis); 676. Burnished Enggano Rat (Rattus adustus); 677. Kinabalu Rat (Rattus baluensis); 678. Aceh Rat (Rattus blangorum); 679. Enggano Island Rat (Rattus enganus), 680. Hoogerwerf's Sumatran Rat (Rattus hoogerwerfi); 681. Sumatran Mountain Rat (Rattus korinchi); 682. Mentawai Archipelago Rat (Rattus lugens); 683. Gag Island Rat (Rattus nikenii); 684. Simalur Archipelago Rat (Rattus simalurensis); 685. Malaysian Field Rat (Rattus tiomanicus); 686. South-western Xanthurus Rat (Rattus bontanus); 687. Hoffmann's Sulawesi Rat (Rattus hoffmanni); 688. Koopman's Peleng Island Rat (Rattus koopmani); 689. Marmoset Xanthurus Rat (Rattus marmosurus); 690. Lampobatang Sulawesi Rat (Rattus mollicomulus).
Fig. 2 in Rickettsiae exposure related to habitats of the oriental house rat (Rattus tanezumi, Temminck, 1844) in Salaya suburb, Thailand
Fig. 2. Indirect immunofluorescence assay (IFA) shows the negative (A) and positive (B) reaction against Rickettsiae antigen with different signal of green fluorescence. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Data from: Riverine barriers have little influence on genetic structure of Rattus tanezumi
Rivers may hinder population migration and promote genetic differentiation of terrestrial animals. Most studies testing the riverine barrier hypothesis have yielded positive results, while very few studies do not support this hypothesis. In this study, 384 Asian house rats (Rattus tanezumi) were collected fromYunnan,China. By combined use of the sequence markers of mitochondrial (mtDNA) and nuclear (IRBP), we tested the influence of five local rivers on the population genetics of R. tanezumi. A total of 81 mtDNA haplotypes and 135 IRBP haplotypes were determined, and many of which were shared by two or more of the six geographic regions. AMOVA analyses showed that most variations happened either within populations or among populations, while very few variations (<15%) happened among the six geographic regions formed by the five rivers. SAMOVA analysis classified the mtDNA sequences into three groups, while no genetic differentiation was detected on IRBP. Our results concluded that riverine barriers in the study area have little influence on the genetic structure of R. tanezumi.
Data from: Riverine barriers have little influence on genetic structure of Rattus tanezumi
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