| diversity of gastrointestinal helminths among murid rodents from northern and northeastern thailand. | the presence of gastrointestinal helminths (gi helminths) was investigated among 725 murid rodents, trapped in various habitats of nan, loei and buri ram provinces, thailand. the study revealed 17 species of rodents infected with 21 species or taxonomic groups of parasites (3 trematodes, 3 cestodes, 14 nematodes and 1 acanthocephalan). the overall prevalence of infection was 57.7% (418/725). of the gastrointestinal (gi) helminths, the dominant parasitic group was members of the family trichostro ... | 2012 | 23082550 |
| effects of burrow condition and seed handling time on hoarding strategies of edward's long-tailed rat (leopoldamys edwardsi). | many hoarding rodents use burrows not only for dwelling and protection from natural enemies, but also for food storage. however, little is known how burrows used by scatter-hoarding animals influence their foraging behaviors. in addition, handling time for a given food item has a fundamental impact on hoarding strategies of these hoarding animals: food items with longer handling time are more likely to be hoarded due to increasing predation risk because the animals spend more time outside their ... | 2010 | 20637267 |
| effects of seed abundance on seed scatter-hoarding of edward's rat (leopoldamys edwardsi muridae) at the individual level. | mast seeding is a common phenomenon, and has important effects on seed dispersal and hoarding by animals. at population level, the predator satiation hypothesis proposes that the satiating effect of a large amount of seeds on a relatively small number of predators benefits seed survival in mast-seeding years. however, the effect of mast seeding on the scatter-hoarding of rodents at the individual level is largely unknown. in this study, we investigated the effects of seed abundance (by simulatin ... | 2008 | 18661155 |
| [preliminary investigation on reservoir hosts of borrelia burgdorferi in china]. | from 1987 to 1997, the reservoir hosts of borrelia burdorferi(b.b.) were investigated in 16 provinces, municipalities and autonomous regions of china. seroepidemiological findings indicated that cattle, sheep, dogs and rats from forest areas had a high antibody titer for b.b. (b31) with positive rates of 18.18%-32.61%, 17.12%-61.21%, 38.50-60.00% and 41.18%-86.05% respectively. using bsk medium, 20 strains of b.b. were isolated from apodemus agrarius, clethrionomys rufocanus, eutamias sibiricus, ... | 1999 | 12712735 |
| pancreatic-type ribonuclease 1 gene duplications in rat species. | mammalian pancreatic-type ribonucleases (rnases) 1 represent single-copy genes in the genome of most investigated mammalian species, including mus musculus and other murid rodents. however, in six species belonging to the genus rattus and closely related taxa, several paralogous gene products were identified by southern blotting and pcr amplifications of genomic sequences. phylogenies of nucleotide and derived amino acid sequences were reconstructed by several procedures, with three mus species ... | 2002 | 12399926 |
| identification of cryptosporidium viatorum xva subtype family in two wild rat species in china. | cryptosporidium viatorum is a minor cryptosporidium pathogen in humans. currently, there is limited information regarding the prevalence and genotypes of c. viatorum in animals in china. | 2019 | 31661007 |
| [study on spotted fever group rickettsiae in guangdong province]. | to explore the existence of spotted fever group rickettsiae (sfgr) in guangdong province. | 2003 | 14521792 |
| hoarding decisions by edward's long-tailed rats (leopoldamys edwardsi) and south china field mice (apodemus draco): the responses to seed size and germination schedule in acorns. | co-varying traits in acorns such as seed size and germination schedule are important to influence the behavioural decisions of hoarding rodents. using acorn pairs from cork oak (quercus variabilis) (large size and short germination schedules) serrate oak (q. serrata) (small size and short germination schedule) and qinggang (cyclobalanopsis glauca) (small size and long germination schedule) with contrasting seed size and germination schedule, we conducted a series of experiments to investigate ho ... | 2009 | 19615609 |
| cryptosporidium spp. in wild rats (rattus spp.) from the hainan province, china: molecular detection, species/genotype identification and implications for public health. | wild rats (rattus spp.) carry many zoonotic pathogens including cryptosporidium. due to the close proximity of rats to humans in urban environments, the potential for disease transmission is high. cryptosporidium is a protozoan parasite which when ingested causes serious human illness. despite its importance, genetic characterization of cryptosporidium in wild rats in the hainan province of china has not been performed. in this study, we analyzed the occurrence and genetics of cryptosporidium in ... | 2019 | 31338292 |
| molecular phylogeographic analyses and species delimitations reveal that leopoldamys edwardsi (rodentia: muridae) is a species complex. | leopoldamys edwardsi is a species with wide distribution ranges in southern china but is not discussed in studies on geographic variation and species differentiation. we used 2 mitochondrial (cytb, co1) and 3 nuclear (ghr, irbp and rag1) genes to clarify species phylogeography and geographical differentiation. maximum likelihood (ml) and bayesian phylogenetic inference (bi) trees consistently indicated that l. edwardsi is a species complex containing 3 main lineages with high kimura-2-parameter ... | 2019 | 30688015 |
| zoonotic helminthiases in rodents (bandicota indica, bandicota savilei, and leopoldamys edwardsi) from vientiane capital, lao pdr. | zoonotic helminths of three rodent species, bandicota indiaca, bandicota savilei, and leopoldamys edwardsi, were investigated in vientiane capital, lao pdr. a total of 310 rodents were infected with 11 species of helminth parasites. there were 168 (54.2%) of 310 rodents infected with zoonotic helminths. from our results, there are six recorded zoonotic helminth species, and the highest prevalence was exhibited by raillietina sp. (30.7%), followed by hymenolepis diminuta (17.7%), hymenolepis nana ... | 2020 | 32959774 |
| olfaction alters spatial memory strategy of scatter-hoarding animals. | although it has been suggested that olfaction is closely interconnected with hippocampal systems, whether olfaction regulates spatial memory strategy remains never known. furthermore, no study has examined how olfaction mediates spatial memory established on the external objects, e.g., caches made by scatter-hoarding animals. here, we experimentally induced nondestructive and reversible olfaction loss of a scatter-hoarding animal leopoldamys edwardsi, to test whether and how olfaction regulates ... | 2020 | 33136309 |
| the complete mitochondrial genome of the leopoldamys edwardsi (rodentia: muridae). | the complete mitochondrial genome of l. edwardsi was first sequenced and characterized. the genome was 16,284 bases in length and the composition and arrangement of its genes are analogous to most other rodents. the nucleotide sequence date of 12 heavy-strand protein-coding genes of l. edwardsi and other 26 muridae species were used for phylogenetic analyses. trees constructed using maximum likelihood, neighbor joining and minimum evolution demonstrated that l. edwardsi was closer to the genus n ... | 2016 | 25329279 |
| infection of rodents by orientia tsutsugamushi, the agent of scrub typhus in relation to land use in thailand. | the relationship between land use structures and occurrence of scrub typhus agent, orientia tsutsugamushi infection in small wild mammals was conducted in three provinces of thailand: buriram, loei, and nan. orientia tsutsugamushi detection was performed using 16s ribosomal dna (rdna) amplicon sequencing approach using miseq illumina platform. in total, 387 animals (rodents and shrews) were examined for the bacterium infection. the 16s rdna sequences of the bacterium were found in nine animals f ... | 2017 | 30270910 |
| novel genotypes and multilocus genotypes of enterocytozoon bieneusi in two wild rat species in china: potential for zoonotic transmission. | enterocytozoon bieneusi is an opportunistic pathogen in immunodeficient patients. although this pathogen has been reported in many domestic animals, few data are available about the occurrence of e. bieneusi in wild rats. in the current study, a total of 228 fecal samples from two wild rat species (leopoldamys edwardsi and berylmys bowersi) in china were examined by a nested pcr-based sequencing approach employing the internal transcribed spacer (its) region of nuclear ribosomal dna. the overall ... | 2020 | 31811423 |
| molecular detection and genotyping of toxoplasma gondii in edward's long-tailed rats (leopoldamys edwardsi). | toxoplasma gondii is an important zoonotic parasite infecting humans and various animals with a worldwide distribution. however, limited information is available on t. gondii infection in wild rats. the present study aimed to examine the prevalence and characterize the genotypes of t. gondii in wild rats in two regions of china. brain tissues were collected from 111 edward's long-tailed rats (leopoldamys edwardsi) and 117 bower's white-toothed rats (berylmys bowersi) between november 2017 and ja ... | 2019 | 31259631 |
| dna barcoding of murinae (rodentia: muridae) and arvicolinae (rodentia: cricetidae) distributed in china. | identification of rodents is very difficult mainly due to high similarities in morphology and controversial taxonomy. in this study, mitochondrial cytochrome oxidase subunit i (coi) was used as dna barcode to identify the murinae and arvicolinae species distributed in china and to facilitate the systematics studies of rodentia. in total, 242 sequences (31 species, 11 genera) from murinae and 130 sequences (23 species, 6 genera) from arvicolinae were investigated, of which 90 individuals were nov ... | 2015 | 24838015 |
| does scatter-hoarding of seeds benefit cache owners or pilferers? | the scatter-hoarding behavior of granivorous rodents plays an important role in seed dispersal and seedling regeneration of trees, as well as the evolution of several well-known mutualisms between trees and rodents in forest ecosystems. because it is difficult to identify seed hoarders and pilferers under field conditions by traditional methods, the full costs incurred and benefits accrued by scatter-hoarding have not been fully evaluated in most systems. by using infrared radiation camera track ... | 2017 | 28688134 |